
Radeon RX 580X vs Radeon RX 6500M

Radeon RX 580X
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Radeon RX 6500M
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Performance Spectrum - GPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon RX 6500M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon RX 580X is the superior choice for raw performance. It leads with a 0.7% higher G3D Mark score and 100% more VRAM (8 GB vs 4 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX 6500M.
| Insight | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| Performance | ✅Leading raw performance (+0.7%) | ❌Lower raw frame rates (-0.7%) |
| Longevity | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) | RDNA 2.0 (2020−2025) (6nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon RX 580X remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of Radeon RX 580X and Radeon RX 6500M

Radeon RX 580X
The Radeon RX 580X is manufactured by AMD. It was released in April 11 2018. It features the GCN 4.0 architecture. The core clock ranges from 1257 MHz to 1340 MHz. It has 2304 shading units. The thermal design power (TDP) is 185W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,495 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 580X scores 7,495 and the Radeon RX 6500M reaches 7,443 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Radeon RX 580X is built on GCN 4.0 while the Radeon RX 6500M uses RDNA 2.0, both on 14 nm vs 6 nm. Shader units: 2,304 (Radeon RX 580X) vs 1,024 (Radeon RX 6500M). Raw compute: 6.175 TFLOPS (Radeon RX 580X) vs 4.915 TFLOPS (Radeon RX 6500M). Boost clocks: 1340 MHz vs 2400 MHz.
| Feature | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| G3D Mark Score | 7,495 | 7,443 |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Process Node | 14 nm | 6 nm |
| Shading Units | 2304+125% | 1024 |
| Compute (TFLOPS) | 6.175 TFLOPS+26% | 4.915 TFLOPS |
| Boost Clock | 1340 MHz | 2400 MHz+79% |
| ROPs | 32 | 32 |
| TMUs | 144+125% | 64 |
| L1 Cache | 576 KB+125% | 256 KB |
| L2 Cache | 2 MB+100% | 1 MB |
Advanced Features (DLSS/FSR)
A critical advantage for the Radeon RX 6500M is support for FSR 3 / AFMF. This allows it to generate entire frames using AI/Algorithms, essentially doubling the frame rate in CPU-bound scenarios or heavy ray-tracing titles. The Radeon RX 580X lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| Upscaling Tech | FSR 2.1 | FSR 3 (Native) |
| Frame Generation | FSR 3 (Compatible) | FSR 3 / AFMF (Driver) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 580X comes with 8 GB of VRAM, while the Radeon RX 6500M has 4 GB. The Radeon RX 580X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 256 GB/s (Radeon RX 580X) vs 144 GB/s (Radeon RX 6500M) — a 77.8% advantage for the Radeon RX 580X. Bus width: 256-bit vs 64-bit. L2 Cache: 2 MB (Radeon RX 580X) vs 1 MB (Radeon RX 6500M) — the Radeon RX 580X has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| VRAM Capacity | 8 GB+100% | 4 GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bandwidth | 256 GB/s+78% | 144 GB/s |
| Bus Width | 256-bit+300% | 64-bit |
| L2 Cache | 2 MB+100% | 1 MB |
Display & API Support
DirectX support: 12 (FL 12_0) (Radeon RX 580X) 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 580X | Radeon RX 6500M |
|---|---|---|
| DirectX | 12 (FL 12_0) | 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 580X) vs VCN 3.0 (Radeon RX 6500M). Decoder: UVD 6.3 vs VCN 3.0. Supported codecs: H.264,H.265/HEVC (Radeon RX 580X) vs H.264,HEVC,VP9 (Decode Only) (Radeon RX 6500M).
| Feature | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| Encoder | VCE 3.4 | VCN 3.0 |
| Decoder | UVD 6.3 | VCN 3.0 |
| Codecs | H.264,H.265/HEVC | H.264,HEVC,VP9 (Decode Only) |
Power & Dimensions
The Radeon RX 580X draws 185W versus the Radeon RX 6500M's 50W — a 114.9% difference. The Radeon RX 6500M is more power-efficient. Recommended PSU: 500W (Radeon RX 580X) vs 350W (Radeon RX 6500M). Power connectors: 8-pin vs Mobile.
| Feature | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| TDP | 185W | 50W-73% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 8-pin | Mobile |
| Length | 241mm | — |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | — | 85°C |
| Perf/Watt | 40.5 | 148.9+268% |
Value Analysis
The Radeon RX 6500M is the newer GPU (2022 vs 2018).
| Feature | Radeon RX 580X | Radeon RX 6500M |
|---|---|---|
| MSRP | $229 | — |
| Avg Price (30d) | $60 | — |
| Codename | Polaris 20 | Navi 24 |
| Release | April 11 2018 | January 4 2022 |
| Ranking | #337 | #341 |
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