AMD
Radeon RX 6900 XT
RDNA 2 · 16 GB GDDR6 · 300 W
82
/ 100
From $999
VS
GeForce RTX 5090 Super wins by 17
NVIDIA
GeForce RTX 5090 Super
Blackwell · 32 GB GDDR7 · 620 W
99
/ 100
From $2,199
Specdex verdict
GeForce RTX 5090 Super takes it — here’s why.
In our weighted Specdex score, Radeon RX 6900 XT lands at 82 and GeForce RTX 5090 Super at 99. That puts GeForce RTX 5090 Super ahead by 17 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Radeon RX 6900 XT if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Pick GeForce RTX 5090 Super if…
- ✓Fastest consumer GPU ever
- ✓DLSS 4.5 Multi-Frame Gen
- ✓Hardware ray-tracing cores 5th-gen
Score breakdown
Radeon RX 6900 XT
82 raster 82
rt 72
ai 67
efficiency 76
GeForce RTX 5090 Super
99 raster 100
rt 100
ai 100
efficiency 74
Specs side-by-side
Spec
Radeon RX 6900 XT
GeForce RTX 5090 Super
Architecture
RDNA 2
Blackwell
VRAM
16 GB GDDR6
32 GB GDDR7
TBP
300 W
620 W
Release year
2020
2025
CUDA cores
—
23,040
Memory bus
—
512-bit
Radeon RX 6900 XT
Pros
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
Cons
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
GeForce RTX 5090 Super
Pros
- +Fastest consumer GPU ever
- +DLSS 4.5 Multi-Frame Gen
- +Hardware ray-tracing cores 5th-gen
Cons
- −620 W peak power draw
- −PSU requirements extreme
- −Supply allocation tight
FAQ: Radeon RX 6900 XT vs GeForce RTX 5090 Super
Which is better, Radeon RX 6900 XT or GeForce RTX 5090 Super? +
GeForce RTX 5090 Super scores 99 on our weighted rubric — ahead by 17. Your best pick depends on the sub-scores above.
Is Radeon RX 6900 XT worth the price? +
At $999, Radeon RX 6900 XT delivers a Specdex score of 82 — strongest in raster.
Is GeForce RTX 5090 Super worth the price? +
At $2,199, GeForce RTX 5090 Super delivers a Specdex score of 99 — strongest in raster.
Does Radeon RX 6900 XT or GeForce RTX 5090 Super last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.