GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
Market Value Leader
Market comparison is currently pending while we verify the latest benchmarks for Radeon RX 580 and Radeon RX 6500 XT.
The Radeon RX 6500 XT is significantly faster than the Radeon RX 580, leading by roughly 33% in our performance index.
Maximum Capacity Reached. Remove a model to add another. (2/2)
Radeon RX 6500 XT vs Radeon RX 580: In-Depth Breakdown
Performance: Radeon RX 6500 XT vs Radeon RX 580
The Radeon RX 6500 XT is significantly faster, around 33% ahead of the Radeon RX 580. Both cards sit in the same broad class, well suited to entry-level 1080p.
Power & Efficiency
The Radeon RX 6500 XT draws just 113W versus 185W for the Radeon RX 580, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom. Its more modern RDNA 2 architecture on a TSMC N6 process is part of why it does more with each watt.
VRAM & Future-Proofing
With 8GB against 4GB, the Radeon RX 580 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6500 XT's 4GB can fall short. The Radeon RX 580's memory is also faster — 256 GB/s versus 144 GB/s (256-bit vs 64-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 6500 XT is roughly 5 years newer than the Radeon RX 580 (RDNA 2 vs GCN 4.0 (Polaris)), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 580 or Radeon RX 6500 XT?
The Radeon RX 6500 XT is the faster card by about 33%. With live pricing limited for this pair, base your decision on the spec differences above — particularly VRAM and power draw — and check current stock before buying.
Frequently Asked Questions
Is the Radeon RX 6500 XT better than the Radeon RX 580?
Which is better for 4K gaming, the Radeon RX 580 or the Radeon RX 6500 XT?
Does the Radeon RX 580 have enough VRAM advantage to matter?
Technical Specifications Comparison
Architecture & Cores
| Specification | Radeon RX 580 | Radeon RX 6500 XT |
|---|---|---|
| Architecture | GCN 4.0 (Polaris) | RDNA 2 |
| Process Node | GloFo 14nm | TSMC N6 |
| CUDA Cores (Stream Processors / Stream Processors) | 2,304✓ | 1,024 |
| Ray Tracing Cores | — | 16 |
Clock Speeds
| Specification | Radeon RX 580 | Radeon RX 6500 XT |
|---|---|---|
| Base Clock | 1,257 MHz | 2,310 MHz✓ |
| Boost Clock | 1,340 MHz | 2,815 MHz✓ |
Memory
| Specification | Radeon RX 580 | Radeon RX 6500 XT |
|---|---|---|
| VRAM Capacity | 8 GB✓ | 4 GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 256-bit✓ | 64-bit |
| Memory Speed | 8 Gbps | 18 Gbps✓ |
| Bandwidth | 256 GB/s✓ | 144 GB/s |
Connectivity & Power
| Specification | Radeon RX 580 | Radeon RX 6500 XT |
|---|---|---|
| Interface | PCIe 3.0 x16 | PCIe 4.0 x4 |
| TDP | 185 W | 113 W✓ |
| Power Connectors | 1x 8-pin | 1x 6-pin |
| Released | Apr 2017 | Jan 2022 |
