I gave in and bought a 9070 XT Pulse for £629 despite knowing that my son's 7900 XT was serving his needs perfectly well. I just wanted an excuse to tinker with a new toy.
Some comparison results from a 7900 XT Pulse to a 9070 XT Pulse. Please note these are at a specific area and purely to indicate difference on my rig. 7800 X3D, DDR 5 6000, Windows 11.
7900 XT Pulse
GPU 66c
Hot Spot 88c
Mem 82c
322w (stock)
Star Wars Outlaws
Ultra, FSR3 Quality - 4K
RTDXi: 20 - 22
RT: 38 - 50
KCD2
Experimental, FSR3 Quality - 4K
50 - 66
STALKER 2
Epic, FSR3 Quality - 4K
53 - 68
HZD Remastered
Very High (max), FSR Native AA, 4K
52 - 70 FPS
HZD Remastered
Very High (max), FSR3 Quality, 4K
84 - 107 FPS
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9070 XT Pulse (stock)
GPU 60c
Hot Spot 85c
Mem 86c
312w
Outlaws
Ultra, FSR3 Quality - 4K
RTDXi: 27 - 32
RT: 57 - 68
KCD2
Experimental, FSR3 Quality - 4K
55 - 76
STALKER 2
Epic, FSR4 Quality - 4K
57 - 75
HZD Remastered
Very High (max), FSR Native AA, 4K
60 - 82 FPS
HZD Remastered
Very High (max), FSR4 Quality, 4K
85 - 110