Radeon RX 9080 XT
RDNA 4+ · 24 GB · 380 W
Radeon RX 580 8GB
Polaris · 8 GB GDDR5 · 185 W
Radeon RX 9080 XT takes it — here’s why.
In our weighted Specdex score, Radeon RX 9080 XT lands at 93 and Radeon RX 580 8GB at 52. That puts Radeon RX 9080 XT ahead by 41 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Radeon RX 9080 XT if…
- ✓Latest generation silicon
- ✓Improved perf-per-watt
- ✓Full modern feature set
Pick Radeon RX 580 8GB if…
- ✓More VRAM at price tier
- ✓FSR support
- ✓Driver open-source on Linux
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
Radeon RX 9080 XTTraditional rendering throughput at high resolution
Radeon RX 9080 XT leads on raster (93 vs 52).
Ray tracing
Radeon RX 9080 XTRT-heavy titles with path-traced lighting
Radeon RX 9080 XT leads on rt (94 vs 42).
AI workloads
Radeon RX 9080 XTLocal inference, upscaling, generative tools
Radeon RX 9080 XT leads on ai (94 vs 40).
Power efficiency
Radeon RX 9080 XTFrames per watt — heat, noise, and PSU sizing
Radeon RX 9080 XT leads on efficiency (80 vs 74).
Value for money
Radeon RX 580 8GBSpecdex score per dollar at MSRP
Radeon RX 580 8GB more score per dollar ($229 vs $899).
Score breakdown
Specs side-by-side
| Spec | Radeon RX 9080 XT | Radeon RX 580 8GB |
|---|---|---|
| Architecture | RDNA 4+ | Polaris |
| VRAM | ▲ 24 GB GDDR6 | 8 GB GDDR5 |
| TBP | 380 W | 185 W |
| Release year | 2025 | 2017 |
Radeon RX 9080 XT
- +Latest generation silicon
- +Improved perf-per-watt
- +Full modern feature set
- −Premium pricing
- −Requires up-to-date platform
- −Initial stock scarcity likely
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
FAQ: Radeon RX 9080 XT vs Radeon RX 580 8GB
Which is better, Radeon RX 9080 XT or Radeon RX 580 8GB? +
Radeon RX 9080 XT scores 93 on our weighted rubric — ahead by 41. Your best pick depends on the sub-scores above.
Is Radeon RX 9080 XT worth the price? +
At $899, Radeon RX 9080 XT delivers a Specdex score of 93 — strongest in rt.
Is Radeon RX 580 8GB worth the price? +
At $229, Radeon RX 580 8GB delivers a Specdex score of 52 — strongest in efficiency.
Does Radeon RX 9080 XT or Radeon RX 580 8GB 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.
Which is better for 4K gaming, Radeon RX 9080 XT or Radeon RX 580 8GB? +
Radeon RX 9080 XT — leads on raster (93 vs 52). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Radeon RX 9080 XT or Radeon RX 580 8GB? +
Radeon RX 9080 XT — leads on rt (94 vs 42). RT-heavy titles with path-traced lighting.