AMD Ryzen 7 3800X Review

High-end Desktop processor released in 2019 with 8 cores and 16 threads. With base clock at 3.9GHz, max speed at 4.5GHz, and a 105W power rating. Ryzen 7 3800X is based on the Matisse 7nm family and part of the Ryzen 7 series.
Price 78.3%
Speed 85%
Productivity 83%
Gaming 92%
Category Desktop
Target high-end
Socket Compatibility AM4
Integrated Graphics None
Cooler Included Yes
Overclock Potential 2 %
Year 2019 Model
Price 328 USD
Number of Cores 8 Cores
Number of Threads 16 Threads
Core Frequency 3.9 GHz
Boost Frequency 4.5 GHz
Max Stable Overclock 4.6 GHz
Power Consumption 105 W
Manufacturing Process 7 nm
L3 Cache 32 MB
Maximum Supported Memory 128 GB
Price-Value Score 78.3 %
Speed Score 85 %
Productivity Score 83 %
Gaming Score 92 %
Max 1080p Bottleneck 14.5 %
Max 1440p Bottleneck 7.2 %
Max 4K Bottleneck 3.6 %
Overall Score 57/100

The Ryzen 7 3800X is one of AMD's high-end Desktop processors. It was released in 2019 with 8 cores and 16 threads. With base clock at 3.9GHz, max speed at 4.5GHz, and a 105W power rating. The Ryzen 7 3800X is based on the Matisse 7nm family and is part of the Ryzen 7 series.

Ryzen 7 3800X is also the successor of AMD's last gen Ryzen 7 2700X processor that was based on the Zen+ and 12nm process and was released in 2018.

Now, we're asking ourselves whether or not the AMD Ryzen 7 3800X finally dethrones the Core i7-9700K as the de facto ruler of the mainstream processors. Ultimately, it depends: the Ryzen 7 3800X doesn't reach the same single-core performance as Intel, but we're starting to see more games adopt multi-threaded CPUs, so that doesn't matter as much.

AMD Ryzen 7 3rd Generation, and the Zen 2 architecture itself, is notable because it leads 7nm processors to the mainstream for the first time. But, there’s a lot more going on under the hood than just a smaller manufacturing node.

Increased IPC improvements, along with the massive turbo boost of 4.5GHz mean that even in single core performance – long a weak link of AMD’s processors – comes within reaching distance of rival chips.

One thing that the switch to 7nm silicon has allowed for however, is an increase in cache size. AMD is now describing its L3 and L2 cache in a combined spec of 8 x 512 kB and 32. But, because the 7nm CPU cores are contained within their own chiplets, AMD was able to pack much more in – with a whopping 8 x 512 kB and 32. This is a really big deal, as it allows for much faster performance, especially when you’re shooting for high framerates in 1080p games, and will be especially effective in old esports titles like Counter Strike: Global Offensive.

Finally, the shrink down to 7nm allows for much better energy efficiency. Because of the Zen 2 architecture, AMD Ryzen 7 3 Generation processors like the Ryzen 7 3800X and Ryzen 7 3700X should be up to 58% more efficient than comparable Intel processors. This isn’t the most noteworthy feature here, but, hey, it should translate to lower electricity bills, and in today’s economy every little bit helps, right?

Over the last couple years, AMD has been reaching for dominance in the desktop CPU world, and with the AMD Ryzen 7 3800X, it's finally there.

AMD's Zen 2 series has landed, upping the ante with Intel in its high-stakes game for desktop PC market dominance with a well-rounded lineup of new chips that push mainstream platforms to higher core counts and more raw compute than we've ever seen. As a result, Intel's commanding presence in the enthusiast space is threatened in a way we haven't seen in over a decade.

That something is the Ryzen 7 3800X. AMD cranks the TDP dial up to 105W on this 8-core 16-thread chip, making it the high-performance counterpart to the 65W Ryzen 7 3700X, which is basically the same 7nm chip built with the Zen 2 microarchitecture, but with a lower TDP rating. That chip came away from our first look at the Zen 2 series with an Editor's Choice award, going toe-to-toe with Intel's Core i7-9700K, so it's fair to say we have high hopes for the higher-performance model. AMD still hasn't sampled the chip to the press, so we bought one at retail to put it under the microscope.

The Ryzen 7 3800X takes the basic ingredients of the Zen 2 microarchitecture, which brings an average of 15% more instructions per cycle (IPC) throughput, and 7nm process and melds them into a high-performance chip that is impressive across our test suite, especially when we factor in the competitive pricing, backward compatibility with most AM4 socket motherboards, unlocked overclocking features, and bundled cooler.

But we've also found that, after simple push-button overclocking, the Ryzen 7 3700X offers similar performance to the Ryzen 7 3800X, even when it is also overclocked. But for $70 less. The Ryzen 7 3800X is an impressive chip and offers a better mixture of performance than Intel's Core i7-9700, no doubt, but in this case, value seekers might opt for its less expensive sibling.

As the higher-priced version of the Ryzen 7 3700X, the Ryzen 7 3800X has higher base and Boost frequencies of 3.9 and 4.5 GHz, respectively. That's an increase in base frequency and a bump to boost clocks, but the real advantage should lay in the higher Package Power Tracking (PPT) envelope, which is a measurement of the maximum amount of power delivered to the socket. The Ryzen 7 3700X's PPT tops out at 65W, while the motherboard can pump up to 142W to the Ryzen 7 3800X at peak performance. That opens up much more aggressive boost behavior, on both single and multiple cores, that could widen the performance gap beyond what we see on the spec sheet.

As we've seen, gaming remains an advantage for Intel, so if squeezing out every last frame is all you care about, Intel's processors are a good choice. Much of that performance advantage will be less noticeable when gaming at higher resolutions, or if you pair the processors with a lesser graphics card.

But, like most humans, if you do things other than gaming, the Ryzen 7 3800X offers a better mixture of performance in single- and multi-threaded applications. The Ryzen 7 3800X offers twice the threads of the price-comparable Core i7-9700K, and it wields them to great effect in threaded workloads. As such, rendering and encoding remain a strong suit of the Ryzen 7 chips, and AMD's improvements to AVX throughput have yielded impressive results.

Value seekers who aren't afraid to press the Precision Boost Overdrive button and have sufficient cooling should look to the Ryzen 7 3700X for roughly equivalent performance to the Ryzen 7 3800X, particularly if gaming factors heavily into the buying decision. That could save you money, reinforcing our decision to give the Ryzen 7 3700X an Editor's Choice award.

Out of the box, the Ryzen 7 3800X is a better all-arounder than the Core i7-9700K and offers incrementally higher performance than its downstream counterpart. The bundled cooler reduces platform costs, and a wide array of motherboards offers plenty of choices for builders.

AMD Ryzen 7 3 Generation is finally here, and the AMD Ryzen 7 3800X might just be the poster child for what this generation of processors has in store for consumers. Sure, it might have stuck with the 8-core, 16-thread setup, which it inherited from its predecessor, the Ryzen 7 2700X. However, with the new 7nm manufacturing process, it delivers a far better performance at lower power consumption.

The AMD Ryzen 7 3800X was rolled out on Jul 2019 for $328, which puts it in the same general price range as the last-generation Ryzen 7 2700X. This means that at least we're not seeing any considerable price jumps from generation to generation.

It gets more interesting, however, when you compare the Ryzen 7 3800X to its main competitor. The Intel Core i7-9700K is available for $374, an 8-core processor with no hyperthreading, which means that the Ryzen 7 3800X offers twice the processing threads at a lower price tag. Intel is still king when it comes to single-core performance, but when it comes to multi-core ones, the AMD Ryzen 7 3800X is the absolute beast.

The AMD Ryzen 7 3800X, like the rest of AMD's Matisse processors, is built on a 7nm manufacturing node – the smallest in a commercially available CPU. What this means for most people is lower power consumption and much improved performance at the same time.

This decision to 7nm has brought a beefy 15% boost to IPC (instructions per clock) performance. Effectively, compared to a Ryzen 7 2-Generation processor at the same clock speed, you will get a straight 15% increase in performance. That’s not big enough to be evident in day-to-day workloads, but it does still mean something.

What this all means is that the AMD Ryzen 7 3800X is an absolute beast when it comes to multi-threaded workloads, especially at this price point. If you're counting on doing some video editing or compiling one hell of an Excel spreadsheet, you're going to see firsthand a performance boost with the Ryzen 7 3800X.

Bear in mind, however, that if you already have something like the Ryzen 7 2700X, this generation doesn't offer the biggest boost in performance. You might want to wait another year or so before dropping a few hundred bucks, or even opt to splurge on a higher-end but pricier chip.

AMD has been having some trouble as of late which has made it even harder to compete with the incoming wave of Core i7 processors. That has forced the chip maker to be a little more creative and make do with their current product lines. Today we have the AMD Ryzen 7 3800X on hand, which in itself isn’t anything new. It’s basically a refreshed Ryzen 7 2700X with a clock speed boost. We say basically because it’s not a straight refresh however, there’s another change.

If you're mostly playing games on your PC, you will be happy buying either processor. Both proved to be solid options and are evenly matched with a slight advantage to the Intel chip if you don't tune up the Core i7 processor. The base performance we showed for the Ryzen 7 3800X can be achieved with $90 memory, while the Core i7-9700K will require $110 - $120 memory in order to enable the frame rates shown here. It’s not a big cost difference and right now with anything less than an RTX 2070 or Vega 64 you’ll more than likely become GPU limited.

Today we’ll be taking a closer look at the AMD Ryzen 7 3800X 8-core desktop processor that was released in Jul 2019. AMD offers the Ryzen 7 3800X without integrated graphics. It runs $328 shipped and is ideal for those that plan on using it a system with a dedicated graphics card.

One of the nice things about the AMD Ryzen 7 3800X processors is that the retail boxed models come with a CPU cooler. So, you can pick something like the AMD Ryzen 7 3800X up for $328 and don’t need to spend any extra money on CPU cooling.

The AMD Ryzen 7 3800X retail boxed processor comes with the traditional ‘pancake’ CPU cooler. Nothing fancy, but it gets the job done on this processor which is rated at 105W TDP. You do not need to have an aftermarket cooling solution unless you want to.

The AMD Ryzen 7 3800X seems to be a decent performing chip that is readily available for $328 at your favorite retailer. The main competition for this processor is the Core i7-9700K 8-Core unlocked desktop processor with Intel UHD Graphics 630 graphics ($374 shipped).

If extended overclocking and boost frequencies are trivial matters to you, AMD also offers the Ryzen 7 3700X at $274. It’s still outfitted with 8-cores and 16-threads, but clocks in at a slower 3.6GHz and maxes out at only 4.4GHz.

Now the biggest question is can AMD’s Ryzen 7 processor play games? The answer is simply yes as it got a respectable gaming score of 92% in our benchmarks.

Regardless of those external factors, the Ryzen 7 3800X proves it has the chops to be your main gaming system and a just as effective media creation platform – two things that are becoming intrinsically connected in this age of live-streaming, eSports and uploading gameplay videos.

The Ryzen 7 3800X clocks up to 4.5Ghz just as it promises on the box, and with AMD’s software you can take one of the cores all the way up to 4.6GHz. However, don’t expect to get much beyond that without seriously upgrading your cooling solution and manually tweaking voltages behind the operating system level.

That said, to squeeze out all the potential of this surprisingly potent high-end chip, you’ll want (and need) to splurge on an enthusiast-grade X370, X470, X570 motherboard.

Fresh from a successful roll-out of mainstream Ryzen 7 CPUs, AMD's attack on Intel now extends down into the high-end with its Ryzen 7 3800X processors, which the company is making available as of Jul 2019.

Although the 105W-rated cooler doesn't feature a copper base or the LEDs found on AMD's higher-end thermal solutions, it does handle Ryzen 7's heat output deftly enough to facilitate XFR-triggered frequencies. This gives you an extra 200 MHz. We were even able to overclock the Ryzen 7 3800X to 4.7 GHz within a reasonable temperature range. The fan also blows down onto the motherboard, which provide additional cooling around the socket. If you need more bling, AMD recently announced that it now offers the LED-equipped cooler separately.

Like all other Matisse chips, the Ryzen 7-series CPUs drop into any Socket AM4 motherboard. But most will find a home on boards equipped with the A320 chipset, which has provisions for overclocking and offers plenty of connectivity options. Unlike Intel, AMD plans to utilize its current socket until 2020, so upgrading to future models shouldn't require a new motherboard.

Which GPU to Pick for AMD Ryzen 7 3800X

Below is a comparison of all graphics cards average FPS performance (using an average of 80+ games at ultra quality settings), combined with the AMD Ryzen 7 3800X.

Graphics Card Price Cost Per Frame Avg 1080p Avg 1440p Avg 4K
NVIDIA GeForce RTX 3090 24GB $ 1,499 $ 5.7 263.5 FPS
211.1 FPS
130.8 FPS
AMD Radeon RX 6900 XT 16GB $ 999 $ 4 247 FPS
199 FPS
121.2 FPS
AMD Radeon RX 6800 XT 16GB $ 649 $ 2.8 232.6 FPS
187.4 FPS
114.2 FPS
NVIDIA GeForce RTX 3080 Ti 20GB $ 799 $ 3.5 229.7 FPS
187.7 FPS
120.6 FPS
NVIDIA GeForce RTX 3080 10GB $ 699 $ 3 229.6 FPS
184 FPS
114 FPS
NVIDIA GeForce RTX 3070 Ti 10GB $ 599 $ 3 197 FPS
159.1 FPS
100.4 FPS
AMD Radeon RX 6800 16GB $ 579 $ 3.1 184.2 FPS
148.4 FPS
90.4 FPS
NVIDIA GeForce RTX 3070 8GB $ 499 $ 2.8 175.7 FPS
140.7 FPS
87.2 FPS
NVIDIA TITAN RTX 24GB $ 2,499 $ 15.5 161.3 FPS
133.4 FPS
83.2 FPS
NVIDIA GeForce RTX 2080 Ti 11GB $ 1,299 $ 8.3 157 FPS
129.9 FPS
81 FPS
AMD Radeon RX 6700 XT 12GB $ 479 $ 3.1 155 FPS
125.8 FPS
75.6 FPS
NVIDIA GeForce RTX 3060 Ti 8GB $ 399 $ 2.8 143.9 FPS
118.4 FPS
74.8 FPS
NVIDIA GeForce RTX 2080 SUPER 8GB $ 699 $ 4.9 142.5 FPS
116.7 FPS
72.4 FPS
NVIDIA TITAN V 12GB $ 2,999 $ 22 136.6 FPS
113 FPS
71.9 FPS
NVIDIA GeForce RTX 2080 8GB $ 699 $ 5.2 134.7 FPS
109.2 FPS
67.2 FPS
NVIDIA GeForce GTX 1080 Ti 11GB $ 759 $ 6 126.3 FPS
104.1 FPS
64.6 FPS
NVIDIA GeForce RTX 2070 SUPER 8GB $ 499 $ 4 125.5 FPS
100.5 FPS
62.2 FPS
NVIDIA TITAN Xp 12GB $ 1,199 $ 9.7 123.8 FPS
100.5 FPS
63.7 FPS
AMD Radeon VII 16GB $ 699 $ 5.6 123.8 FPS
99.8 FPS
60.8 FPS
AMD Radeon RX 5700 XT 8GB $ 399 $ 3.3 120.6 FPS
97.1 FPS
59.1 FPS
NVIDIA GeForce RTX 2070 8GB $ 499 $ 4.2 118.9 FPS
93.9 FPS
58.9 FPS
NVIDIA GeForce RTX 3060 12GB $ 329 $ 2.8 118.1 FPS
94.9 FPS
59.3 FPS
NVIDIA GeForce RTX 2060 SUPER 8GB $ 400 $ 3.6 112.6 FPS
87.4 FPS
53.9 FPS
AMD Radeon RX 5700 8GB $ 349 $ 3.2 110.5 FPS
89.1 FPS
54.2 FPS
NVIDIA GeForce GTX 1080 8GB $ 499 $ 4.7 107.3 FPS
85.2 FPS
51.9 FPS
NVIDIA GeForce RTX 2060 6GB $ 350 $ 3.3 105.9 FPS
80.4 FPS
48.6 FPS
AMD Radeon RX 5600 XT 6GB $ 279 $ 2.7 104.2 FPS
83.3 FPS
50.6 FPS
AMD Radeon R9 295X2 4GB $ 1,499 $ 14.9 100.5 FPS
78.7 FPS
51.1 FPS
AMD Radeon RX Vega 64 8GB $ 499 $ 5 100.2 FPS
80.8 FPS
49.1 FPS
NVIDIA GeForce GTX 1070 Ti 8GB $ 409 $ 4.1 99.4 FPS
78.9 FPS
48 FPS
NVIDIA GeForce RTX 3050 Ti 6GB $ 249 $ 2.6 97.2 FPS
76.6 FPS
47.5 FPS
NVIDIA GeForce GTX TITAN X 12GB $ 999 $ 10.3 96.6 FPS
75.8 FPS
46.2 FPS
NVIDIA GeForce GTX 1660 Ti 6GB $ 279 $ 3 94.5 FPS
75.1 FPS
45.6 FPS
AMD Radeon RX Vega 56 8GB $ 399 $ 4.2 94 FPS
75.6 FPS
46 FPS
NVIDIA GeForce GTX 1070 8GB $ 399 $ 4.4 91.5 FPS
72 FPS
43.5 FPS
NVIDIA GeForce GTX 1660 SUPER 6GB $ 229 $ 2.6 89.1 FPS
70.8 FPS
43.2 FPS
NVIDIA GeForce GTX 980 Ti 6GB $ 649 $ 7.7 84.1 FPS
66.4 FPS
40.4 FPS
NVIDIA GeForce GTX 1660 6GB $ 220 $ 2.6 83.9 FPS
66.6 FPS
40.5 FPS
AMD Radeon RX 590 8GB $ 279 $ 3.5 79.6 FPS
61.4 FPS
36.5 FPS
AMD Radeon R9 FURY X 4GB $ 649 $ 8.5 76.4 FPS
63.1 FPS
39.4 FPS
NVIDIA GeForce GTX 1650 SUPER 4GB $ 160 $ 2.2 73.1 FPS
57.8 FPS
35.1 FPS
AMD Radeon RX 5500 XT 8GB 8GB $ 199 $ 2.7 72.4 FPS
55.8 FPS
33.1 FPS
NVIDIA GeForce GTX 980 4GB $ 549 $ 7.6 72.1 FPS
56.3 FPS
34.5 FPS
AMD Radeon RX 580 8GB $ 229 $ 3.2 70.6 FPS
54.3 FPS
32.1 FPS
AMD Radeon R9 Nano 4GB $ 649 $ 9.4 69.4 FPS
56.4 FPS
35 FPS
NVIDIA GeForce GTX TITAN BLACK 6GB $ 999 $ 14.8 67.4 FPS
52.2 FPS
33.3 FPS
AMD Radeon R9 FURY 4GB $ 549 $ 8.4 65.6 FPS
53.1 FPS
32.6 FPS
NVIDIA GeForce GTX 1060 6GB 6GB $ 254 $ 3.9 65.5 FPS
50.8 FPS
31 FPS
AMD Radeon RX 5500 XT 4GB 4GB $ 169 $ 2.6 64.9 FPS
50.1 FPS
29.7 FPS
AMD Radeon R9 390X 8GB $ 429 $ 6.8 63.2 FPS
50.9 FPS
31.4 FPS
NVIDIA GeForce GTX 1060 3GB 3GB $ 170 $ 2.7 62.1 FPS
48.4 FPS
29.5 FPS
NVIDIA GeForce GTX 970 4GB $ 329 $ 5.4 61.1 FPS
47 FPS
29.8 FPS
AMD Radeon RX 480 8GB $ 400 $ 6.7 59.4 FPS
47.4 FPS
29.6 FPS
AMD Radeon R9 390 8GB $ 329 $ 5.6 59 FPS
46.5 FPS
27 FPS
AMD Radeon RX 570 4GB $ 169 $ 2.9 58.2 FPS
45.9 FPS
27.3 FPS
NVIDIA GeForce GTX 1650 4GB $ 149 $ 2.7 55.7 FPS
43.8 FPS
26.6 FPS
AMD Radeon RX 470 4GB $ 179 $ 3.4 52 FPS
41.1 FPS
25 FPS
AMD Radeon R9 380X 4GB $ 229 $ 5.2 43.7 FPS
34.2 FPS
21.2 FPS
AMD Radeon R9 285 2GB $ 249 $ 6.4 39.2 FPS
30.8 FPS
18 FPS
AMD Radeon R9 380 2GB $ 199 $ 5.1 38.9 FPS
30.5 FPS
18 FPS
NVIDIA GeForce GTX 1050 Ti 4GB $ 169 $ 4.4 38.4 FPS
30.2 FPS
18.3 FPS
AMD Radeon R9 280 3GB $ 279 $ 7.3 38 FPS
30.1 FPS
17.2 FPS
NVIDIA GeForce GTX 960 2GB $ 199 $ 5.3 37.5 FPS
29.3 FPS
17.6 FPS
NVIDIA GeForce GTX 1050 3GB $ 169 $ 5.2 32.7 FPS
25.5 FPS
15.2 FPS
AMD Radeon RX 560 4GB $ 99 $ 3.3 30.2 FPS
23.3 FPS
13.9 FPS
NVIDIA GeForce GTX 950 2GB $ 159 $ 5.4 29.6 FPS
22.8 FPS
14.1 FPS
AMD Radeon R7 370 2GB $ 149 $ 5.1 29.1 FPS
21.4 FPS
13.4 FPS
AMD Radeon R7 265 2GB $ 149 $ 5.2 28.9 FPS
20.7 FPS
13 FPS
AMD Radeon RX 460 4GB $ 140 $ 5.2 26.7 FPS
20.6 FPS
12.4 FPS
NVIDIA GeForce GTX 750 Ti 2GB $ 149 $ 5.8 25.7 FPS
17.7 FPS
11.1 FPS
AMD Radeon RX 550 2GB $ 79 $ 3.7 21.1 FPS
16.4 FPS
9.7 FPS
NVIDIA GeForce GT 1030 2GB $ 79 $ 3.9 20.1 FPS
15.6 FPS
9 FPS

Related Discussions and Issues

D
Deblobman July 27, 2020

Help! New Ryzen 7 3800X not running at normal temps?

Computer Type: Desktop

GPU: MSI GTX 2070 8Gb

CPU: Ryzen 7 3800x

Motherboard: MSI Gaming edge x570

RAM: Corsair RAM 32Gb @ 3000MHz

PSU: EVGA 1000W PSU

Case: Provide the make/model, cooling solution, and fan configuration.

Operating System & Version: Windows 10 pro

Background Applications: Discord, Spotify, Rainmeter, Oculus, Steam

Description of Original Problem: I just jumped from a threadripper 1920x to the R7 3800x. On the threadripper, my 240mm liquid cooler was running at temps of about 50 while idle. After swapping to the 3800x at base clock, my idle temps were at 90-100.

Troubleshooting: I immediately turned off my pc, and swapped out my old cooler for the wraith prism. My idle temps are now at about 60-70, which I feel is still a bit high. I have ordered a new liquid cooler, as I'm used to an idle below 50C. Is there anything else that may be wrong? Could I have permanently damaged my CPU? Do I need to completely apply new thermal paste?


Any help would be appreciated, thanks!

M
mista_r0boto July 27, 2020

You should always remove old thermal paste, and apply new thermal paste anytime you break the seal between cpu and cooler. Modern cpus shut off automatically to prevent overheating. So most likely you are ok. Just make sure you have a good cooling solution before you fire it up again.

D
Deblobman July 27, 2020

My main concern at this point is that the temps are still relatively high even with the stock cooler at around 60, and hitting up to 85 under load when testing

J
jeja12 July 16, 2020

[BUILD HELP] 3800x now or wait for 4th gen?

Basically the ryzen 7 3800x is on sale right now on amazon for £290 (cheaper than the 3700x). If I wait im assuming a 4600 will be better and most likely a similiar price once it comes out, or am i wrong and should go for the 3800x now?

R
rihijs15 July 16, 2020

I think 3800 is good cpu but if you want can wait.

M
Maymayboy2 July 16, 2020

is this cpu an upgrade? or is it for a new build?

J
jeja12 July 16, 2020

New build, also what mobo will work with 4th gen ryzen since i assume they will use a newer socket.

I
IAmMalfeasance July 16, 2020

If you can wait then wait, if you need now then buy now

U
uradonkey003 July 16, 2020

Go for the 3800X now if you can't wait otherwise wait until release so you can see some actual comparisons.

B
bigfatg11 July 16, 2020

Can we stop with this? Like really?

We don't know anything about the new chips. Whether you choose to wait or buy now is up to you, but any advice you get is just speculation. Sure the new one will be better, but will whatever unknown improvement be worth the price? No one knows.

Seriously these posts are just getting annoying now.

N
NobilityAK47 July 22, 2020

NZXT H1 + 3800X Idle Temp Sanity Check (pls help)

Long shot here since the SFFPC community is small relative to the current PC community

Hello,

I just recently built my NZXT H1 with a 3800x and replaced the stock paste with thermal grizzly kryonaut. After flashing BIOS to the latest version and running XMP profiles for my 3600mhz 32 RAM; my idle temps for the CPU are hovering between 48-58C. I'm sorry but is this normal? This is my first SFFPC build ever since my last PC was 5 years old in a Fractal Design R5, but I feel like I applied the thermal paste wrong, or smudged it too much etc.

I read in another thread that the stock/PBO delivers too much power so I could look into undervolting? Or there was a Ryzen power plan called "Cool and Low"? How would I do either of that? I've never undervolted my CPU before. Running MSI B450I with latest BIOS update 7A40vA9. Using CPUID HWMonitor and the only application I have running is Mozilla Firefox and Wallpaper Engine. Please help.

I checked my BIOS settings for my MSI B450i, am I blind? I don't see the undervolt offset option. Anyone else with B450 can chime in?

A
adamEbrew July 22, 2020

Idle doesn't mean much. How are temps under load? Preferably checked during a long and intense workload or gaming session.

N
NobilityAK47 July 22, 2020

Is there actual temp recording software that will record temps as I play/work? As far as I'm aware, I'd just have to keep alt+tabbing and recording temps to calculate average. Wondering if there's a more streamlined option

A
adamEbrew July 22, 2020

Also, check the temps with AMD's Ryzen Master. 3rd party software tends to wakes cores to check temps, and although Ryzen's software isn't perfect, it gives a more realistic temp reading for idle.

N
NobilityAK47 July 22, 2020

Okay, I just ran a cinebenchr20 and Ryzen Master shows that it hovers around 78-79C under load. Is this safe operating temps?

E
EntrancedOrange July 22, 2020

Dont undervolt. Try a stress test and see what it is under load. Check your fan curve. Try repasting. Those temps seem high. But arent hurting anything.

N
NobilityAK47 July 22, 2020

I’ll try to repaste, shipping estimates aren’t great even with Amazon Prime rn. Recommend a CPU stress test program? I use unigine heaven for my GPU

N
NobilityAK47 July 22, 2020

Okay, I just ran a cinebenchR20 and Ryzen Master shows that it hovers around 78-79C under load. Is this safe operating temps?

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May 21, 2020 - In this massive comparison across 8 generations of Intel Core i5 series CPUs, we explore the performance improvements by generation and whether it is reasonable or not to upgrade to Intel's latest.

Critics Reviews

The Ryzen 7 3800X is an impressive chip and offers a better mixture of performance than Intel's Core i7-9700K, no doubt, but in this case, value seekers might opt for its less expensive sibling.
The AMD Ryzen 7 3800XT is only a slight improvement over the existing Ryzen 7 3800X. However, because it slots in at the same price point, folks that haven't upgraded to a 3rd-generation Ryzen ...
Our Ryzen 7 3800XT review takes a look at this 8-core/16-thread processor being launched today at $399—the launch price of the 3800X. The Core i7-10700K has largely eroded the performance leadership of the 3800X, forcing AMD to sell it at prices under $340.
Out of the box, the Ryzen 7 3800X is a better all-arounder than the Core i7-9700K and offers incrementally higher performance than its downstream counterpart. The bundled cooler reduces platform ...
The Ryzen 7 3800XT saw small boost over its predecessor, but like most benchmarks showed, it's not worth upgrading if you already have a Ryzen 7 3700X or Ryzen 7 3800X.
The Ryzen 7 3700X is an eight-core, 16-thread AMD third-gen processor that is close to identical to the original Ryzen 7 3800X, barring a lower TDP (65 watts, down from 105 watts) and a lower ...
Welcome to the very belated Part 2 of this video series, the edited build guide for the $2,000 Ryzen 7 3800X Premium PC that we featured in Dec 2019. Now in ...
The AMD Ryzen 7 3800X 3.9 GHz Eight-Core AM4 Processor is a powerful eight-core processor with 16 threads, designed for socket AM4 motherboards. Built with Zen 2 architecture, the third-generation 7nm Ryzen processor offers increased performance compared to its predecessor. It has a base clock speed of 3.9 GHz and can reach a max boost clock speed of 4.5 GHz.
We're finally reviewing the AMD Ryzen 7 3800X versus the Ryzen 7 3700X, benchmarking the two to look at advantages of the extra cost on the 3800X. Grab a GN toolkit on the store! https://store ...

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