Radeon RX 6600 XT
RDNA 2 · 8 GB GDDR6 · 160 W
Gigabyte Aorus Master GeForce RTX 5090
Blackwell · 32 GB GDDR7 · 575 W · Aorus Master
Gigabyte Aorus Master GeForce RTX 5090 takes it — here’s why.
In our weighted Specdex score, Radeon RX 6600 XT lands at 70 and Gigabyte Aorus Master GeForce RTX 5090 at 98. That puts Gigabyte Aorus Master GeForce RTX 5090 ahead by 28 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Radeon RX 6600 XT if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Pick Gigabyte Aorus Master GeForce RTX 5090 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Score breakdown
Specs side-by-side
| Spec | Radeon RX 6600 XT | Gigabyte Aorus Master GeForce RTX 5090 |
|---|---|---|
| Architecture | RDNA 2 | Blackwell |
| VRAM | 8 GB GDDR6 | ▲ 32 GB GDDR7 |
| TBP | 160 W | 575 W |
| Release year | 2021 | 2025 |
Radeon RX 6600 XT
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
Gigabyte Aorus Master GeForce RTX 5090
- +NVIDIA driver stack
- +DLSS support on RTX
- +Strong resale value
- −Power draw scales with tier
- −Gen-over-gen price creep
- −VRAM gated per tier
FAQ: Radeon RX 6600 XT vs Gigabyte Aorus Master GeForce RTX 5090
Which is better, Radeon RX 6600 XT or Gigabyte Aorus Master GeForce RTX 5090? +
Gigabyte Aorus Master GeForce RTX 5090 scores 98 on our weighted rubric — ahead by 28. Your best pick depends on the sub-scores above.
Is Radeon RX 6600 XT worth the price? +
At $379, Radeon RX 6600 XT delivers a Specdex score of 70 — strongest in efficiency.
Is Gigabyte Aorus Master GeForce RTX 5090 worth the price? +
At $2,208, Gigabyte Aorus Master GeForce RTX 5090 delivers a Specdex score of 98 — strongest in raster.
Does Radeon RX 6600 XT or Gigabyte Aorus Master GeForce RTX 5090 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.