Question Please help - - - Prebuilt PC with 7900 XTX & Ryzen 5800X is underperforming ?

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GeorgeMoney

Jan 12, 2025
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2
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Hello Toms team!

I recently acquired a discounted prebuilt which on the surface looked like a great deal, there was nothing dodgy about the sale so I doubt it's a dud computer. However, benchmarking the device, I see is quite badly underperfoming on Time Spy and games. Attached below is the Time Spy link but in all, my 7900xtx 5800x scored avg 7000 less than what its supposed to. On games it should have well over 100+FPS, I'm getting 70 ish. I have updated all BIOS, chipset, GPU, DOCP drivers and adjustments so I'm at a loss as to what might be the issue. I do have only pcie port daisy chained that I'm looking to replace but I'm convinced that wont be the entire issue.

Graphics Card AMD Radeon RX 7900 XTX
Processor AMD Ryzen 7 5800X
Motherboard ASUSTeK COMPUTER INC. ROG STRIX X570-F GAMING
Memory 16,384 MB
Module 1 8,192 MB Corsair DDR4 @ 3,998 MHz
Module 2 8,192 MB Corsair DDR4 @ 3,998 MHz

Here are my latest Time Spy results
http://www.3dmark.com/spy/52553959


Any help would be amazing thanks.
 
Mother Board: Asus ROG STRIX X570-F
CPU: AMD Ryzen 7 5800x 8-Core 4.2GHz
CPU Cooler: NZXT Kraken X53 (240mm)
GPU: AMD Radeon RX 7900 XTX Phantom Gaming 24GB OC
RAM: Corsair Vengeance RGB PRO 16GB (2 x 8 GB) DDR4 4000 MHz C19
Storage: Crucial P3 Plus SSD 1TB M.2 NVMe 5000MB/s
PSU: Corsair RM1000x (1000W 80 PLUS GOLD)
Case: NZXT NZXT H510 2x 120mm Fans (Black w/ Tempered Glass)
Wireless Card: TP-Link Archer TX50E AX3000 Wi-Fi 6 Bluetooth 5.2 PCIe Adapter
Operating System: Windows 11 Pro
 
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Maybe a ddu on the gpu and reinstall adrenalin and see if that helps ( if you havent already done that !!)

graphics score is a bit below mine from 27k to mine at 29k yet your frequency is higher temps seem basically the same!!
 
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MEMOFLEX said:
What ratio to the infinity fabric are you using with 4000mhz memory?

I would suggest you would get better results with the memory at 3600mhz
Click to expand...
maybe , AMD like tighter timings over speed so cl16 3600 could be a better option ..

I always used cl16 3600 on my AM4 platforms .

cl14 3600 was the best of the best but always expensive and hard to find !
 
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ilukey77 said:
maybe AMD like tighter timings over speed so cl16 3600 could be a better option ..

I always used cl16 3600 on my AM4 platforms .

cl14 3600 was the best of the best but always expensive and hard to find !
Click to expand...
Yeah definitely 3600 is the sweet spot with the lowest latency you can. From my understanding this is mainly due to the FCLK ratio being 1:1. Above that then a number of zen 3 can struggle and actually hinder performance. 2000 is possible with overclocking but 1900 often seems to be the limit of a number of chips.

Personally I would take it back to 3600 with manual timings and try and get the latency as low as possible. I think buildzoid did a few articles about this in the past
 
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How would I adjust to 3600mhz, in the bios?

Im not sure if a DDU would would though, I did one when I initially got the system and the general consensus of the new drivers seem to be okay
 
GeorgeMoney said:
How would I adjust to 3600mhz, in the bios?

Im not sure if a DDU would would though, I did one when I initially got the system and the general consensus of the new drivers seem to be okay
Click to expand...
Yeah it is managed in the BIOS. Basically rather than using XMP / DOCP you are manually entering the speed and then the sub timings.

It is worth noting that memory overclocking / underclocking is a sweet science and I am far from an expert on this. It requires patience and testing.

There are probably a number of guides out there and some very clever people on here who will be able to assist a bit further on exact numbers. Might be better served in the memory section of the forum.
 
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yeah there are a few videos on youtube out there on how to manually adjust ram timings and frequency ..

Ive always just bought what has been recommended by others ( so cl16 3600 ) and just enabled XMP on AM4 and Expo on AM5 and left it !

As for graphics score i honestly dont know why its lower than mine same 7900xtx mines a powercolor red devil though

ive got latest drivers installed .. ( as do you )

maybe its the games your trying to play that is not meeting expectations set by others ..

There always variables with pc's silicon lottery , where are you seeing the numbers of the games your playing VS your own numbers are others upscaling over clocking etc etc ..

I could show you me running 100fps in cyberpunk 2077 with RT blah blah and my 7900xtx could be water cooled using a custom bios OCed and so on !!

In reality 60 fps is around the best i can get with RT low at 4k with my 7800x3d and 7900xtx in cyberpunk !!
 
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ilukey77 said:
yeah there are a few videos on youtube out there on how to manually adjust ram timings and frequency ..

Ive always just bought what has been recommended by others ( so cl16 3600 ) and just enabled XMP on AM4 and Expo on AM5 and left it !

As for graphics score i honestly dont know why its lower than mine same 7900xtx mines a powercolor red devil though

ive got latest drivers installed .. ( as do you )

maybe its the games your trying to play that is not meeting expectations set by others ..

There always variables with pc's silicon lottery , where are you seeing the numbers of the games your playing VS your own numbers are others upscaling over clocking etc etc ..

I could show you me running 100fps in cyberpunk 2077 with RT blah blah and my 7900xtx could be water cooled using a custom bios OCed and so on !!

In reality 60 fps is around the best i can get with RT low at 4k with my 7800x3d and 7900xtx in cyberpunk !!
Click to expand...

You make a good point. I have come from a 3070 laptop and was honestly not sure what to expect. Part of me was concerned I had been sold a dodgy system. It seems to be all working but there was/is tweaking to be done. Tinkering with a full desktop is all very new to me..
 
i dont tinker much with my PC's just build them and let them do their thing sure i have a play with OC in port royal and time spy extreme and other benchmark programs then i put it back to standard !!
 
beyondlogic said:
what games are you trying to play?

and what resolution ?
what settings. ?
Click to expand...
1440p, maxed out native

Arma Reforger, Hell Let Loose, Hell divers 2, Stalker 2.

Some games it's weird, the gpu tpd will just drop in intense environments and fps will crash and then when in empty environments, tdp will shoot up and ill have 5x the frames
 
GeorgeMoney said:
1440p, maxed out native

Arma Reforger, Hell Let Loose, Hell divers 2, Stalker 2.

Some games it's weird, the gpu tpd will just drop in intense environments and fps will crash and then when in empty environments, tdp will shoot up and ill have 5x the frames
Click to expand...

those games are quite cpu intensive and ram for context as ive said your system memory is probly about 10gb worth

hell let it loose needs 12 minimum and recomended is 16gb.

most gun games are CPU intensive and ram intensive.

stalker 2 needs 32gb of ram for high settings at 1440p

in a nut shell the ram is holding you back the capacity and the timings
 
personally you could leave your system as is you have boosted your score in time spy by what 2k ..

youre gains for now are going to be small for now on..

Unless its a CPU and GPU change..

I would take the win on the system if you got it at a good price ..

Corsair vengeance 4x8 cl 16 3600 may make a difference with only small gains now but why spend the extra !
 
ilukey77 said:
personally you could leave your system as is you have boosted your score in time spy by what 2k ..

youre gains for now are going to be small for now on..

Unless its a CPU and GPU change..

I would take the win on the system if you got it at a good price ..

Corsair vengeance 4x8 cl 16 3600 may make a difference with only small gains now but why spend the extra !
Click to expand...
A 5800x3d not worth it you reckon?
would 4x8sticks 3600 be better than 2x16?
 
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