Radeon RX 580 8GB
Polaris · 8 GB GDDR5 · 185 W
GeForce RTX 4080
Ada · 16 GB GDDR6X · 320 W
GeForce RTX 4080 takes it — here’s why.
In our weighted Specdex score, Radeon RX 580 8GB lands at 52 and GeForce RTX 4080 at 92. That puts GeForce RTX 4080 ahead by 40 points — a decisive 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 GeForce RTX 4080 if…
- ✓NVIDIA driver stack
- ✓DLSS support on RTX
- ✓Strong resale value
Winner by scenario
Derived from the sub-score breakdown · not a separate test4K & rasterization
GeForce RTX 4080Traditional rendering throughput at high resolution
GeForce RTX 4080 leads on raster (92 vs 52).
Ray tracing
GeForce RTX 4080RT-heavy titles with path-traced lighting
GeForce RTX 4080 leads on rt (87 vs 42).
AI workloads
GeForce RTX 4080Local inference, upscaling, generative tools
GeForce RTX 4080 leads on ai (89 vs 40).
Power efficiency
TieFrames per watt — heat, noise, and PSU sizing
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Radeon RX 580 8GBSpecdex score per dollar at MSRP
Radeon RX 580 8GB more score per dollar ($229 vs $1,199).
Score breakdown
Specs side-by-side
| Spec | Radeon RX 580 8GB | GeForce RTX 4080 |
|---|---|---|
| Architecture | Polaris | Ada |
| VRAM | 8 GB GDDR5 | ▲ 16 GB GDDR6X |
| TBP | 185 W | 320 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
GeForce RTX 4080
- +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 580 8GB vs GeForce RTX 4080
Which is better, Radeon RX 580 8GB or GeForce RTX 4080? +
GeForce RTX 4080 scores 92 on our weighted rubric — ahead by 40. 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 GeForce RTX 4080 worth the price? +
At $1,199, GeForce RTX 4080 delivers a Specdex score of 92 — strongest in raster.
Does Radeon RX 580 8GB or GeForce RTX 4080 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 580 8GB or GeForce RTX 4080? +
GeForce RTX 4080 — leads on raster (92 vs 52). Traditional rendering throughput at high resolution.
Which is better for ray tracing, Radeon RX 580 8GB or GeForce RTX 4080? +
GeForce RTX 4080 — leads on rt (87 vs 42). RT-heavy titles with path-traced lighting.