Upgrade GPU or CPU for better fps and gameplay?

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21 Nov 2023
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Hi all,

Some advice from the wise please.

Recently built my first PC in a long time (with parts help from the forum) for a combination of predominantly gaming, a bit of MS Office and general home use, but dual purpose the monitor for work which is connected via HDMI from my laptop.

I'm running:

GPU - Sapphire Pulse 7800 XT
CPU - Intel i5 12400 (with integrated Graphics - but not used)
Monitor - 34WP65CP-B (LG 34 Widescreen) I connect via DP to take advantage of AMDs Freesync when gaming/ not working and run 160hz.
RAM - 34Gb Corsair Dominator
SDD - 1TB MSI Spatium
MB - Asus B760i

I'm pretty happy with the set up, but... there's always room for improvement. When gaming (almost exclusively MW3/ Warzone) i get an average of 131fps, with the CPU running at around 100% and the GPU at around 90% Temperatures are around 70 for the CPU and 60 for the GPU. Both are quiet.

Ideally, i think i'm chasing a higher FPS and slightly more crisp image when playing WZ, if i was to change the GPU it would be to a Radeon RX 7900 xtx - but not really sure what sort of fps increase id see by upgrading? Also I think this would mean a new PSU? (currently running a Corsair RMX 750w) Advice here would be appreciated.

Alternatively thinking about swapping out the CPU for an i7/i9, probably a 14700/14900, I believe there would be a fps improvement? but i doubt it would be as significant as the swapping the GPU?

Cooling wise, I'm using a lowprofile aircooler with a TDP of 170w - which i believe is fine for an i7/i9? I don't think i'd need to upgrade the PSU for either of these?

From what i understand there's not really much in it when it comes to CPUs and gaming (i7vs i9)- the important thing is apparently clock speed, not cores - so if that's accurate then i'd be better off getting an i7 over an i9 given the potential saving of around £150 (14700 vs 14900k)?

So, checking my thoughts (please)

Option 1. Swap out the CPU, get the i9, no need to change the cooler or PSU.
Option 2. Swap out the CPU, get an i7 over an i9, no need to change the cooler or PSU and save c£150 (or more depends where its brought)
Option 3. Swap out the CPU and GPU, using the saving of £150 to offset the GPU cost, but would need a new PSU (would an 850w be ok or would i need 1000w)

Is there anything i've missed or should be considering if i went with any of the above?

Much Obliged.
 
Thanks all,

Looks like i will need an AIO then... but not a new PSU (unless i go with a 7900 as well.. crikey.

@mickyflinn - i have a Thermal Take The Tower 200 (https://www.overclockers.co.uk/thermaltake-the-tower-200-mini-tower-case-white-cas-ttk-00865.html) But mine's blue.

I'd probably end up getting one of these then - id stick with Asus as it'd pair with the MB

 
Box of goodies arrived from OC again today. All built and running quite quietly.

Thanks for the advice all.

Super pleased with the RX 7900, its crushing MW3 and running in perfect sync with my 160hz monitor via Freesync. Consistent 160fps. The Lian Li AIO is "cool" the tower's on the desk next to my Monitor and i can't hear the fans. Yes when gaming they speed up, but that's to be expected and they aren't overly loud or annoying. CPU/GPU running circa 60 and 70c under load, no load 30 and 35c. Benchmark stats are off the chart.
Had the annoying inaccessible boot device after the strip down and rebuild, almost ended up doing a reinstall of W11. Remembered when i built the PC not long there was a BIOS setting to that needed to be changed, and lo and behold it had reverted to enabling the VMD controller in the BIOS - changed to disabled and straight in and up and running again.

All, in very happy.
 
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