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RTX 4090 vs RX 7900 XTX: Gaming Performance & Bottleneck (2026)

The RTX 4090 is clearly the faster card: 22% ahead of the RX 7900 XTX at 4K and 20% at 1440p, where it averages 158 FPS to 131 in AAA games at High settings with a Ryzen 7 9800X3D. Both launched in 2022, so this is a straight NVIDIA vs AMD fight for the same buyers. At 1080p the lead shrinks to 9%, because even a 9800X3D can't feed the RTX 4090 fast enough there, so it earns its keep at 1440p and 4K. Ray tracing widens the gap to 74% (93 vs 54 FPS at 1440p), as the RX 7900 XTX's RT hardware is less efficient. At 4K High the RTX 4090 averages 97 FPS and the RX 7900 XTX 80, both playable without upscaling. Both carry 24 GB of VRAM, enough for 4K High. To stay under a 10% CPU bottleneck at 1440p, the RTX 4090 needs a Core i5-14600K and the RX 7900 XTX a Core i5-12400F.

Relative performance

Faster card = 100%. Average FPS at High settings with a Ryzen 7 9800X3D.

1440p, AAA games

RTX 4090100%
RX 7900 XTX83%

158 vs 131 FPS · RTX 4090 +20%

4K, AAA games

RTX 4090100%
RX 7900 XTX82%

97 vs 80 FPS · RTX 4090 +22%

1440p, ray tracing

RTX 4090100%
RX 7900 XTX57%

93 vs 54 FPS · RTX 4090 +74%

FPS with a Ryzen 7 9800X3D

Average FPS in AAA games, no upscaling. A fast CPU, so the graphics card sets the pace.

SettingRTX 4090RX 7900 XTXLead
1080p High193
CPU-limited		1774090 +9%
1440p High1581314090 +20%
4K High97804090 +22%
1440p ray tracing93544090 +74%

Specifications

Raster index: RTX 4090 = 100.

SpecRTX 4090RX 7900 XTX
VRAM24 GB24 GB
Ray tracingYes, full speedYes, 70% efficiency
Released20222022
Raster index10082

Which CPU do you need?

Slowest common CPU that keeps each card under a 10% bottleneck at 1440p High.

Graphics cardSlowest CPUFPS
RTX 4090Core i5-14600K142
RX 7900 XTXCore i5-12400F114

Which should you buy?

Buy the RTX 4090 if you want the faster card: it's 22% ahead at 4K. The RX 7900 XTX is the better buy only if it costs at least 20% less, the gap at 1440p, because then it delivers more frames per dollar.

Buy the RTX 4090 if…

  • you want the most FPS: it's 22% faster at 4K and 20% at 1440p.
  • you play with ray tracing: 93 vs 54 FPS at 1440p.

Buy the RX 7900 XTX if…

  • your CPU is older: a Core i5-12400F is enough to keep it fed at 1440p.
  • it costs at least 20% less than the RTX 4090, which makes it the better value per frame.

Check your build

These numbers use a Ryzen 7 9800X3D to isolate the graphics card. Your own CPU, resolution and settings change the result, so run your exact parts through the calculator.

Check Core i5-14600K + RTX 4090 Check Core i5-12400F + RX 7900 XTX

Popular builds with these cards

Ryzen 7 9800X3D + RTX 40901440p · GPU-limited 20% · ≈158 FPSRyzen 7 7800X3D + RTX 40901440p · Balanced · ≈153 FPSCore i5-14600K + RTX 40901440p · Balanced · ≈142 FPSRyzen 7 9800X3D + RX 7900 XTX1440p · GPU-limited 34% · ≈131 FPSRyzen 7 7800X3D + RX 7900 XTX1440p · GPU-limited 25% · ≈130 FPSCore i5-14600K + RX 7900 XTX1440p · GPU-limited 12% · ≈127 FPS

RTX 4090 vs RX 7900 XTX: quick answers

Is the RTX 4090 faster than the RX 7900 XTX?

Yes. The RTX 4090 is about 22% faster at 4K and 20% faster at 1440p in AAA games at High settings. With ray tracing on at 1440p the RTX 4090 gets about 93 FPS and the RX 7900 XTX 54 FPS.

How many FPS do the RTX 4090 and RX 7900 XTX get?

With a Ryzen 7 9800X3D at High settings in AAA games, the RTX 4090 averages about 193 FPS at 1080p, 158 at 1440p and 97 at 4K. The RX 7900 XTX averages 177, 131 and 80 FPS. DLSS, FSR or XeSS upscaling adds roughly 40% where the graphics card is the limit.

What CPU do I need for the RTX 4090 or RX 7900 XTX?

To keep the CPU bottleneck under 10% at 1440p, the RTX 4090 needs at least a Core i5-14600K and the RX 7900 XTX needs at least a Core i5-12400F. At 1080p you need a faster CPU for the same result, and at 4K a slower one is fine. A slower CPU narrows the gap between the RTX 4090 and the RX 7900 XTX.