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NVIDIA - GeForce RTX 4080 SUPER vs NVIDIA - GeForce RTX 4090

Last updated · How Mars Score works
GeForce RTX 4080 SUPERNVIDIARENDER
Probe A
NVIDIA
GeForce RTX 4080 SUPER
69.7/ 100B
Benchmarks73· 40%
Core69· 30%
Memory64· 20%
Power & Form· 10%
GeForce RTX 4090NVIDIARENDER
Probe B
NVIDIA
GeForce RTX 4090
80.3/ 100A
Benchmarks84· 40%
Core76· 30%
Memory80· 20%
Power & Form· 10%
Quick verdict

Between the GeForce RTX 4080 SUPER and GeForce RTX 4090, the GeForce RTX 4080 SUPER comes out ahead in tdp and boost clock, while the GeForce RTX 4090 wins on cuda / stream cores and ray tracing cores. Overall, the GeForce RTX 4080 SUPER scores 69.7 and the GeForce RTX 4090 scores 80.3 on our Mars Score.

Buying advice

Which should you buy?

The GeForce RTX 4090 is the clear pick on raw spec strength, leading by 10.6 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.

Pick the GeForce RTX 4080 SUPER if you care most about tdp and boost clock. The biggest gaps in its favor are tdp, boost clock.

Pick the GeForce RTX 4090 if you push the hardware — gaming, on-device AI, heavy multitasking — and the extra compute headroom is worth the trade-offs. Its strongest claims are cuda / stream cores, ray tracing cores, vram, among others.

Both ship with comparable dlss, so those specs don't separate the two — focus on the differences below.

Bottom line: the GeForce RTX 4090 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.

Why NVIDIA - GeForce RTX 4080 SUPER wins

  • TDP — 130.00 W less. 320 vs 450.
  • Boost clock — 1.19% more. 2550 MHz vs 2520 MHz.

Why NVIDIA - GeForce RTX 4090 wins

  • CUDA / Stream cores — 60.00% more. 16384 vs 10240.
  • Ray tracing cores — 60.00% more. 128 vs 80.
  • VRAM — 50.00% more. 24 GB vs 16 GB.
  • Memory bus — 50.00% more. 384 bit vs 256 bit.
  • 3DMark Time Spy — 30.23% more. 28000 vs 21500.
Full readout

Spec comparison

Core

SpecNVIDIA - GeForce RTX 4080 SUPERNVIDIA - GeForce RTX 4090
ChipsetAD103AD102
Base clock2295 MHzlead2235 MHz
Boost clock2550 MHzlead2520 MHz
CUDA / Stream cores1024016384lead
Ray tracing cores80128lead

Memory

SpecNVIDIA - GeForce RTX 4080 SUPERNVIDIA - GeForce RTX 4090
VRAM16 GB24 GBlead
VRAM typeGDDR6XGDDR6X
Memory bus256 bit384 bitlead

Power & Form

SpecNVIDIA - GeForce RTX 4080 SUPERNVIDIA - GeForce RTX 4090
TDP320 Wlead450 W
Recommended PSU750 Wlead850 W
Length304 mm304 mm
Slot size3-slot3-slot

Benchmarks

SpecNVIDIA - GeForce RTX 4080 SUPERNVIDIA - GeForce RTX 4090
3DMark Time Spy2150028000lead
DLSStruetrue
FSRfalsefalse
Reader questions

Frequently asked

Which has more VRAM, GeForce RTX 4080 SUPER or GeForce RTX 4090?+

GeForce RTX 4090 ships with 24GB GDDR6X vs 16GB.

Which scores higher in 3DMark Time Spy, GeForce RTX 4080 SUPER or GeForce RTX 4090?+

GeForce RTX 4090 scores 28000 vs 21500.

Which draws less power, GeForce RTX 4080 SUPER or GeForce RTX 4090?+

GeForce RTX 4080 SUPER draws 320W TDP vs 450W.

Drill down

Spec-level deep dives

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