Radeon RX 580 8GB
Polaris · 8 GB GDDR5 · 185 W
Sapphire Nitro+ Radeon RX 6500 XT
RDNA 2 · 4 GB GDDR6 · 107 W · Nitro+
Sapphire Nitro+ Radeon RX 6500 XT takes it — here’s why.
In our weighted Specdex score, Radeon RX 580 8GB lands at 52 and Sapphire Nitro+ Radeon RX 6500 XT at 55. That puts Sapphire Nitro+ Radeon RX 6500 XT ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Radeon RX 580 8GB if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Pick Sapphire Nitro+ Radeon RX 6500 XT if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Score breakdown
Specs side-by-side
| Spec | Radeon RX 580 8GB | Sapphire Nitro+ Radeon RX 6500 XT |
|---|---|---|
| Architecture | Polaris | RDNA 2 |
| VRAM | ▲ 8 GB GDDR5 | 4 GB GDDR6 |
| TBP | 185 W | 107 W |
| Release year | 2017 | 2022 |
Radeon RX 580 8GB
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
Sapphire Nitro+ Radeon RX 6500 XT
- +More VRAM at price tier
- +FSR support
- +Driver open-source on Linux
- −RT trails NVIDIA
- −AI ecosystem smaller
- −Driver day-0 bugs
FAQ: Radeon RX 580 8GB vs Sapphire Nitro+ Radeon RX 6500 XT
Which is better, Radeon RX 580 8GB or Sapphire Nitro+ Radeon RX 6500 XT? +
Sapphire Nitro+ Radeon RX 6500 XT scores 55 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Radeon RX 580 8GB worth the price? +
At $229, Radeon RX 580 8GB delivers a Specdex score of 52 — strongest in efficiency.
Is Sapphire Nitro+ Radeon RX 6500 XT worth the price? +
At $264, Sapphire Nitro+ Radeon RX 6500 XT delivers a Specdex score of 55 — strongest in efficiency.
Does Radeon RX 580 8GB or Sapphire Nitro+ Radeon RX 6500 XT 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.