Question ryzen 9 5900x cinebench R23

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Elad333k

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May 15, 2019
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hello

my 5900x on cinebench R23 Multicore score only 20312 and when i check the clocks test its on 4000-4200ghz it is normal ? i saw ppl score with stock 22k score mine barly reach 20300 tempture 60-67C i wonder if there is any issue with my pc maybe its the motherboard ? its brand new pc my motherboard is b550 asus rog strix gaming F wifi

also single core score 1594
 
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Elad333k said:
hello

my 5900x on cinebench R23 Multicore score only 20312 and when i check the clocks test its on 4000-4200ghz it is normal ? i saw ppl score with stock 22k score mine barly reach 20300 tempture 60-67C i wonder if there is any issue with my pc maybe its the motherboard ? its brand new pc my motherboard is b550 asus rog strix gaming F wifi

also single core score 1594
Click to expand...

Hi,

Having a look online your scores are looking inline with what I would expect....

Here is a link to a set of scores for the whole Ryzen 5000 series:
https://www.cpu-monkey.com/en/cpu-amd_ryzen_9_5900x-1748

Note that for single core you are within margin of error compared to their result.

Your multi-thread result is a little low, but we are talking less than 10%. There are likely a few factors which would cause this:

1: They are likely running with PBO turned on (this is an option you can enable in the bios to boost power limits, which will help keep all core turbo a bit higher).

2: Most reviewers test these parts with high end X570 motherboards which have massive VRM's on them to feed the cpu as much power as it needs, your lower result might just be because you are running on a more standard board. Whilst your cpu temps are good, if the motherboard VRM's get too hot it will throttle down the cpu a bit to keep things stable so worth checking what your motherboard temps are whilst running a heavy all core load like Cinebench.

3: Memory - Ryzen gets a noticeable boost from fast ram (as the internal 'infinity fabric' that connects the cpu chiplets to each other are tied to the memory speed), most reviewers tested Ryzen 5000 with high speed ram, typically DDR4 3600 or 3800. If you are using a more standard kit (e.g. DDR4 3200) then that would lower your score a little.

I wouldn't worry too much though - at the end of the day a score over 20K still makes it one of the fastest cpu's out there, and its likely only going to drop performance a bit in very heavy situations like Cinebench that push all 24 threads at once.
 
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cdrkf said:
Hi,

Having a look online your scores are looking inline with what I would expect....

Here is a link to a set of scores for the whole Ryzen 5000 series:
https://www.cpu-monkey.com/en/cpu-amd_ryzen_9_5900x-1748

Note that for single core you are within margin of error compared to their result.

Your multi-thread result is a little low, but we are talking less than 10%. There are likely a few factors which would cause this:

1: They are likely running with PBO turned on (this is an option you can enable in the bios to boost power limits, which will help keep all core turbo a bit higher).

2: Most reviewers test these parts with high end X570 motherboards which have massive VRM's on them to feed the cpu as much power as it needs, your lower result might just be because you are running on a more standard board. Whilst your cpu temps are good, if the motherboard VRM's get too hot it will throttle down the cpu a bit to keep things stable so worth checking what your motherboard temps are whilst running a heavy all core load like Cinebench.

3: Memory - Ryzen gets a noticeable boost from fast ram (as the internal 'infinity fabric' that connects the cpu chiplets to each other are tied to the memory speed), most reviewers tested Ryzen 5000 with high speed ram, typically DDR4 3600 or 3800. If you are using a more standard kit (e.g. DDR4 3200) then that would lower your score a little.

I wouldn't worry too much though - at the end of the day a score over 20K still makes it one of the fastest cpu's out there, and its likely only going to drop performance a bit in very heavy situations like Cinebench that push all 24 threads at once.
Click to expand...
i have 4x8gb 3600 mhz memory
and about the motherboard all ppl says this motherboard have one of the best vram cooling even better of some x570 boards its happen because my boost clocks stay on 4000-4200mhz during the multicore test which in not sure why
 
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Elad333k said:
i have 4x8gb 3600 mhz memory
and about the motherboard all ppl says this motherboard have one of the best vram cooling even better of some x570 boards
Click to expand...

Hi, ok so memory looks good, I'll take your word for it on the motherboard. On that basis then I would check to see if PBO is enabled, if not turn that on which should give you a boost in the MT score (the temps are low enough that PBO shouldn't be an issue).

The other things you could look at are bios version - make sure that is the latest available as B550 motherboards came out before the Ryzen 5000 series cpus. I would also look at windows power options plan and make sure that is set to high performance.
 
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cdrkf said:
Hi, ok so memory looks good, I'll take your word for it on the motherboard. On that basis then I would check to see if PBO is enabled, if not turn that on which should give you a boost in the MT score (the temps are low enough that PBO shouldn't be an issue).

The other things you could look at are bios version - make sure that is the latest available as B550 motherboards came out before the Ryzen 5000 series cpus. I would also look at windows power options plan and make sure that is set to high performance.
Click to expand...
i prefer not touch bios settings on brand new very expensive pc

if anyone else have this issue on stock without toching any setting pls let me know i wanna know if its intended to be like that on stock setting or if it is something about my hardware
 
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Elad333k said:
i choose the parts the shop build it for me
Click to expand...

Ah ok - one thing to double check is the shop set the memory speed correctly... if you go into Task manager -> Performance -> Memory it will list the speed the memory is set to, should be 3600 Mhz however worth double checking.

With respect to PBO, you can also enable that using the Ryzen Master software in Windows (the difference is with Ryzen master it will revert back to default settings after reboot, whereas the setting will be permanent if changed in the bios). That tool can be downloaded for free from the AMD website so could be worth a try.
 
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cdrkf said:
Ah ok - one thing to double check is the shop set the memory speed correctly... if you go into Task manager -> Performance -> Memory it will list the speed the memory is set to, should be 3600 Mhz however worth double checking.

With respect to PBO, you can also enable that using the Ryzen Master software in Windows (the difference is with Ryzen master it will revert back to default settings after reboot, whereas the setting will be permanent if changed in the bios). That tool can be downloaded for free from the AMD website so could be worth a try.
Click to expand...
ye it is 3600 i enable the xmp alrdy
 
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Elad333k said:
hello

my 5900x on cinebench R23 Multicore score only 20312 and when i check the clocks test its on 4000-4200ghz it is normal ? i saw ppl score with stock 22k score mine barly reach 20300 tempture 60-67C i wonder if there is any issue with my pc maybe its the motherboard ? its brand new pc my motherboard is b550 asus rog strix gaming F wifi

also single core score 1594
Click to expand...

I get:

5900X (stock) - 32 GB 3600 C16 (16GB x 2) - ASUS Tuf Gaming X570-Pro: Bios Ver: 3001

MC: 20920 pts
SC: 1591 pts

I see you have 3600 ram as well. What is the CAS latency of your ram?
 
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I have the same exact issue with my 5900x, it scores around 5% lower (both ST and MT) than it should be.

5900X (stock)
32GB 3600MHz C17
ASUS ROG STRIX B550-F
temps under load around 61-68C

CinebenchR23
MT: 20623
ST: 1546

CinebenchR23 (with Precision Boost Overdrive enable from the bios)
MT: 21875
ST: 1534
 
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michaelmk86 said:
I have the same exact issue with my 5900x, it scores around 5% lower (both ST and MT) than it should be.

5900X (stock)
32GB 3600MHz C17
ASUS ROG STRIX B550-F
temps under load around 61-68C

CinebenchR23
MT: 20623
ST: 1546

CinebenchR23 (with Precision Boost Overdrive enable from the bios)
MT: 21875
ST: 1534
Click to expand...

I see a trend here on the multi thread scores:

C16 3600: 20920 (my score)
C17 3600: 20623 (your score)
C18 3600: 20312 (Elad333k's score)

I ran multicore with PBO on and I got 22119
 
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rayhawk0 said:
I see a trend here on the multi thread scores:

C16 3600: 20920 (my score)
C17 3600: 20623 (your score)
C18 3600: 20312 (Elad333k's score)

I ran multicore with PBO on and I got 22119
Click to expand...
All these 3 scores are considered low for a stock 5900x compare to the scores we see on the web, (like cpu-monkey.com)

At stock settings my 5900x scores around 5% lower (both ST and MT) and I can't understand why.
 
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CPU monkey shows 21878 for multi core at 4.8ghz - I got 22219 on multi core with PBO on, I don’t know at what clock speed since I didn’t check that but the score is higher. How do you know that the cpu monkey score is with PBO off?
 
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rayhawk0 said:
CPU monkey shows 21878 for multi core at 4.8ghz - I got 22219 on multi core with PBO on, I don’t know at what clock speed since I didn’t check that but the score is higher. How do you know that the cpu monkey score is with PBO off?
Click to expand...
Technically the PBO is considered an overclock, and cpu monkey (guru3d, overclock3d, etc) test only at stock (and if they test otherwise they stated), but regardless the PBO I still can't match the ST score in pretty much all the benchmarks, staying behind consistently by 5%.
 
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michaelmk86 said:
Technically the PBO is considered an overclock, and cpu monkey (guru3d, overclock3d, etc) test only at stock (and if they test otherwise they stated), but regardless the PBO I still can't match the ST score in pretty much all the benchmarks, staying behind consistently by 5%.
Click to expand...
They might have been using faster ram then you. Your scores seem in line with the difference I would expect going from C16 to C17 ram.

Cas latency / speed x 2,000 = total latency in milliseconds

16/3600*2,000=8.89ms

17/3600*2,000=9.45ms

In any case how do we know cpu-monkey does it’s own benchmarking? They have so many results it would seem like a monumental task to actually acquire all of that hardware and do all those benchmarks.
 
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In CinebenchR15 for exampel, all review sites conclude that at stock a 5900x scores around 3700 in MT and 270 in ST (most of them use 3600 CL16 ram)

And I get at stock (with ram 3600Mhz CL16-16-16-36)
ST 256
MT 3464
 
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Much of it has to do with cooling.
When I first got my 3600 I ran it with the stock cooler while I waited on my Hyper 212 to arrive.
With nothing but a cooler change scores went up almost 10%.
With a little tinkering I now am able to get 4.4ghz all core sustained boost at a set 1.28v. Even in prime 95 I reach maximum temp of 85c with all cores@4.4. This made a huge difference in scores.
 
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Unolocogringo said:
Much of it has to do with cooling.
When I first got my 3600 I ran it with the stock cooler while I waited on my Hyper 212 to arrive.
With nothing but a cooler change scores went up almost 10%.
With a little tinkering I now am able to get 4.4ghz all core sustained boost at a set 1.28v. Even in prime 95 I reach maximum temp of 85c with all cores@4.4. This made a huge difference in scores.
Click to expand...
It definitely can play a role
But in my case temps are fine, I mean nothing crazy

For exampel in CinebenchR15, on MT goes up to 63C (with MHz settled to 4150MHz on all cores)
And ST gose up to 66C with 4800MHz on one core
and it idles around 34C and my cooler is Be Quiet Dark Rock Pro 4
 
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michaelmk86 said:
In CinebenchR15 for exampel, all review sites conclude that at stock a 5900x scores around 3700 in MT and 270 in ST (most of them use 3600 CL16 ram)

And I get at stock (with ram 3600Mhz CL16-16-16-36)
ST 256
MT 3464
Click to expand...
I thought you had C17 ram. Yeah, for C16, it is a bit lower than my scores.
Also my ram runs at 16-19-19-39 / 3600Mhz
I do have a 360mm AIO for cooling.
This is my exact build: https://pcpartpicker.com/b/wRHBD3
 
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