
Radeon RX 580 2048SP

Radeon RX 6500M
Radeon RX 580 2048SP vs Radeon RX 6500M Performance Spectrum
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Radeon RX 580 2048SP vs Radeon RX 6500M FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Radeon RX 580 2048SP vs Radeon RX 6500M: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon RX 580 2048SP
2018Why buy it
- ✅33.8% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 33.3 vs 0 G3D/$ ($229 MSRP vs Unknown MSRP).
- ✅300% more VRAM for high-resolution textures and newer games (16 GB vs 4 GB).
Trade-offs
- ❌Older hardware, 16 GB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
- ❌200% higher power demand at 150W vs 50W.
Radeon RX 6500M
2022Why buy it
- ✅Better long-term bet: RDNA 2.0 (2020−2025) on 6nm gives it a newer hardware base for upcoming games.
- ✅Draws 50W instead of 150W, a 100W reduction.
- ✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than Radeon RX 580 2048SP across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 4 GB vs 16 GB for high-resolution textures and newer games.
- ❌Lower G3D Mark per dollar, at 0 vs 33.3 G3D/$ (Unknown MSRP vs $229 MSRP).
Quick Answers
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Radeon RX 580 2048SP vs Radeon RX 6500M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon RX 580 2048SP
The Radeon RX 580 2048SP is manufactured by AMD. It was released in October 15 2018. It features the GCN 4.0 architecture. The core clock ranges from 1168 MHz to 1284 MHz. It has 2048 shading units. The thermal design power (TDP) is 150W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,633 points.

Radeon RX 6500M
The Radeon RX 6500M is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 2000 MHz to 2400 MHz. It has 1024 shading units. The thermal design power (TDP) is 50W. Manufactured using 6 nm process technology. It features 16 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 7,443 points.
Graphics Performance
The Radeon RX 580 2048SP scores 7,633 and the Radeon RX 6500M reaches 7,443 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The Radeon RX 580 2048SP is built on GCN 4.0 while the Radeon RX 6500M uses RDNA 2.0, both on 14 nm vs 6 nm. Shader units: 2,048 (Radeon RX 580 2048SP) vs 1,024 (Radeon RX 6500M). Raw compute: 5.259 TFLOPS (Radeon RX 580 2048SP) vs 4.915 TFLOPS (Radeon RX 6500M). Boost clocks: 1284 MHz vs 2400 MHz.
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| G3D Mark Score | 7,633+3% | 7,443 |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Process Node | 14 nm | 6 nm |
| Shading Units | 2048+100% | 1024 |
| Compute (TFLOPS) | 5.259 TFLOPS+7% | 4.915 TFLOPS |
| Boost Clock | 1284 MHz | 2400 MHz+87% |
| ROPs | 32 | 32 |
| TMUs | 128+100% | 64 |
| L1 Cache | 512 KB+100% | 256 KB |
| L2 Cache | 2 MB+100% | 1 MB |
| Frame Generation | FSR upscaling + limited Frame Generation | FSR 3 + AFMF |
Advanced Features (DLSS/FSR)
Both cards support Frame Generation, but the Radeon RX 6500M is on the newer stack with FSR Frame Generation + AFMF, while the Radeon RX 580 2048SP stays on FSR Frame Generation.
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR 3 |
| Frame Generation | FSR Frame Generation | FSR Frame Generation + AFMF |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 580 2048SP has 16 GB of VRAM, while the Radeon RX 6500M carries 4 GB. Radeon RX 580 2048SP gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 224 GB/s (Radeon RX 580 2048SP) vs 144 GB/s (Radeon RX 6500M) — a 55.6% advantage for the Radeon RX 580 2048SP. Memory bus width is 256-bit on the Radeon RX 580 2048SP and 64-bit on the Radeon RX 6500M. L2 Cache: 2 MB (Radeon RX 580 2048SP) vs 1 MB (Radeon RX 6500M) — the Radeon RX 580 2048SP has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| VRAM Capacity | 16 GB+300% | 4 GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | 224 GB/s+56% | 144 GB/s |
| Bus Width | 256-bit+300% | 64-bit |
| L2 Cache | 2 MB+100% | 1 MB |
Display & API Support
DirectX support: 12 (Radeon RX 580 2048SP) vs 12 (12_2) (Radeon RX 6500M). Vulkan: 1.3 vs 1.4. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| DirectX | 12 | 12 (12_2) |
| Vulkan | 1.3 | 1.4+8% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: VCE 3.4 (Radeon RX 580 2048SP) vs VCN 3.0 (Radeon RX 6500M). Decoder: UVD 6.3 vs VCN 3.0. Supported codecs: H.264,HEVC,VP9 (Radeon RX 580 2048SP) vs H.264,HEVC,VP9 (Decode Only) (Radeon RX 6500M).
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| Encoder | VCE 3.4 | VCN 3.0 |
| Decoder | UVD 6.3 | VCN 3.0 |
| Codecs | H.264,HEVC,VP9 | H.264,HEVC,VP9 (Decode Only) |
Power & Dimensions
The Radeon RX 580 2048SP draws 150W versus the Radeon RX 6500M's 50W — a 100% difference. The Radeon RX 6500M is more power-efficient. Recommended PSU: 450W (Radeon RX 580 2048SP) vs 350W (Radeon RX 6500M). Power connectors: 8-pin vs Mobile. Typical load temperature: 75°C vs 85°C.
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| TDP | 150W | 50W-67% |
| Recommended PSU | 450W | 350W-22% |
| Power Connector | 8-pin | Mobile |
| Length | 241mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 75°C-12% | 85°C |
| Perf/Watt | 50.9 | 148.9+193% |
Value Analysis
The newer card here is Radeon RX 6500M (2022 vs 2018).
| Feature | Radeon RX 580 2048SP | Radeon RX 6500M |
|---|---|---|
| MSRP | $229 | — |
| Codename | Polaris 20 | Navi 24 |
| Release | October 15 2018 | January 4 2022 |
| Ranking | #334 | #341 |
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