EN

RTX 5090 vs RTX 5080: Gaming Performance & Bottleneck (2026)

The RTX 5090 sits in a higher performance class: 183 FPS at 1440p High against 140 for the RTX 5080 with a Ryzen 7 9800X3D, and a 41% lead at 4K. At 1080p the lead shrinks to 8%, because even a 9800X3D can't feed the RTX 5090 fast enough there, so it earns its keep at 1440p and 4K. Ray tracing widens the gap to 40% (115 vs 82 FPS at 1440p), as ray tracing needs extra VRAM. In esports games like CS2 or Valorant at 1080p they reach 519 and 510 FPS, so either can feed a 360 Hz monitor. At 4K High the RTX 5090 averages 120 FPS and the RTX 5080 86, both playable without upscaling. The RTX 5090 also has more memory (32 GB vs 16 GB), though both have enough for 4K High today. To stay under a 10% CPU bottleneck at 1440p, the RTX 5090 needs a Ryzen 7 9800X3D and the RTX 5080 a Ryzen 7 5700X3D.

Relative performance

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

1440p, AAA games

RTX 5090100%
RTX 508077%

183 vs 140 FPS · RTX 5090 +30%

4K, AAA games

RTX 5090100%
RTX 508071%

120 vs 86 FPS · RTX 5090 +41%

1440p, ray tracing

RTX 5090100%
RTX 508071%

115 vs 82 FPS · RTX 5090 +40%

FPS with a Ryzen 7 9800X3D

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

SettingRTX 5090RTX 5080Lead
1080p High199
CPU-limited		1845090 +8%
1440p High1831405090 +30%
4K High120865090 +41%
1440p ray tracing115825090 +40%

Specifications

Raster index: RTX 4090 = 100.

SpecRTX 5090RTX 5080
VRAM32 GB16 GB
Ray tracingYes, full speedYes, full speed
Released20252025
Raster index12488

Which CPU do you need?

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

Graphics cardSlowest CPUFPS
RTX 5090Ryzen 7 9800X3D183
RTX 5080Ryzen 7 5700X3D125

Which should you buy?

Buy the RTX 5090 if you want the faster card: it's 41% ahead at 4K. The RTX 5080 is the better buy only if it costs at least 30% less, the gap at 1440p, because then it delivers more frames per dollar. Already own the RTX 5080? Going to the RTX 5090 gains 30% at 1440p, which is a worthwhile upgrade.

Buy the RTX 5090 if…

  • you want the most FPS: it's 41% faster at 4K and 30% at 1440p.
  • you play with ray tracing: 115 vs 82 FPS at 1440p.
  • you play at 4K or use high-resolution texture packs: 32 GB of VRAM vs 16 GB.

Buy the RTX 5080 if…

  • your CPU is older: a Ryzen 7 5700X3D is enough to keep it fed at 1440p.
  • it costs at least 30% less than the RTX 5090, 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 Ryzen 7 9800X3D + RTX 5090 Check Ryzen 7 5700X3D + RTX 5080

Popular builds with these cards

Ryzen 7 9800X3D + RTX 50901440p · Balanced · ≈183 FPSRyzen 7 7800X3D + RTX 50901440p · CPU-limited 12% · ≈169 FPSCore i5-14600K + RTX 50901440p · CPU-limited 25% · ≈148 FPSRyzen 7 9800X3D + RTX 50801440p · GPU-limited 29% · ≈140 FPSRyzen 7 7800X3D + RTX 50801440p · GPU-limited 20% · ≈139 FPSCore i5-14600K + RTX 50801440p · Balanced · ≈133 FPS

RTX 5090 vs RTX 5080: quick answers

Is the RTX 5090 faster than the RTX 5080?

Yes. The RTX 5090 is about 41% faster at 4K and 30% faster at 1440p in AAA games at High settings. With ray tracing on at 1440p the RTX 5090 gets about 115 FPS and the RTX 5080 82 FPS.

How many FPS do the RTX 5090 and RTX 5080 get?

With a Ryzen 7 9800X3D at High settings in AAA games, the RTX 5090 averages about 199 FPS at 1080p, 183 at 1440p and 120 at 4K. The RTX 5080 averages 184, 140 and 86 FPS. DLSS, FSR or XeSS upscaling adds roughly 40% where the graphics card is the limit.

What CPU do I need for the RTX 5090 or RTX 5080?

To keep the CPU bottleneck under 10% at 1440p, the RTX 5090 needs at least a Ryzen 7 9800X3D and the RTX 5080 needs at least a Ryzen 7 5700X3D. 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 5090 and the RTX 5080.