AMD
Radeon RX 6600
RDNA 2 · 8 GB GDDR6 · 132 W
68
/ 100
From $329
VS
GeForce RTX 5090 Super wins by 31
NVIDIA
GeForce RTX 5090 Super
Blackwell · 32 GB · 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 6600 lands at 68 and GeForce RTX 5090 Super at 99. That puts GeForce RTX 5090 Super ahead by 31 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Radeon RX 6600 if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Pick GeForce RTX 5090 Super if…
- ✓Latest generation silicon
- ✓Improved perf-per-watt
- ✓Full modern feature set
Radeon RX 6600 68
vs 99 GeForce RTX 5090 Super
Score breakdown
Radeon RX 6600
68 raster 68
rt 58
ai 53
efficiency 76
GeForce RTX 5090 Super
99 raster 99
rt 100
ai 100
efficiency 80
Specs side-by-side
| Spec | Radeon RX 6600 | GeForce RTX 5090 Super |
|---|---|---|
| Architecture | RDNA 2 | Blackwell |
| VRAM | 8 GB GDDR6 | ▲ 32 GB GDDR7 |
| TBP | 132 W | 620 W |
| Release year | 2021 | 2025 |
Radeon RX 6600
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
- +Latest generation silicon
- +Improved perf-per-watt
- +Full modern feature set
Cons
- −Premium pricing
- −Requires up-to-date platform
- −Initial stock scarcity likely
FAQ: Radeon RX 6600 vs GeForce RTX 5090 Super
Which is better, Radeon RX 6600 or GeForce RTX 5090 Super? +
GeForce RTX 5090 Super scores 99 on our weighted rubric — ahead by 31. Your best pick depends on the sub-scores above.
Is Radeon RX 6600 worth the price? +
At $329, Radeon RX 6600 delivers a Specdex score of 68 — strongest in efficiency.
Is GeForce RTX 5090 Super worth the price? +
At $2,199, GeForce RTX 5090 Super delivers a Specdex score of 99 — strongest in rt.
Does Radeon RX 6600 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.