
Radeon Pro 580X vs Radeon RX 6400

Radeon Pro 580X
Popular choices:

Radeon RX 6400
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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. The Radeon Pro 580X is positioned at rank #117 in our cost-efficiency ranking, representing a Balanced cost-benefit for your build. 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 Radeon Pro 580X
Performance Per Dollar Radeon RX 6400
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon RX 6400 is the superior choice for raw performance. It leads with a 2.5% higher G3D Mark score. However, the Radeon Pro 580X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.5%) | ✅Leading raw performance (+2.5%) |
| Longevity | GCN 4.0 (2016−2020) (14nm) | 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
The Radeon RX 6400 offers a compelling cost-to-performance ratio. Priced at $139 versus $200 for the Radeon Pro 580X, it costs 31% less. While it maintains competitive performance, this results in a 47.5% higher cost efficiency score.
| Insight | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+47.5%) |
| Upfront Cost | ⚠️Higher upfront cost ($200) | ✅More affordable ($139) |
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 Pro 580X and Radeon RX 6400

Radeon Pro 580X
The Radeon Pro 580X is manufactured by AMD. It was released in March 18 2019. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1200 MHz. It has 2304 shading units. The thermal design power (TDP) is 150W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 7,540 points.

Radeon RX 6400
The Radeon RX 6400 is manufactured by AMD. It was released in January 19 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1923 MHz to 2321 MHz. It has 768 shading units. The thermal design power (TDP) is 53W. Manufactured using 6 nm process technology. It features 12 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 7,728 points. Launch price was $159.
Graphics Performance
The Radeon Pro 580X scores 7,540 and the Radeon RX 6400 reaches 7,728 in the G3D Mark benchmark — just a 2.5% difference, making them near-identical in rasterization performance. The Radeon Pro 580X is built on GCN 4.0 while the Radeon RX 6400 uses RDNA 2.0, both on 14 nm vs 6 nm. Shader units: 2,304 (Radeon Pro 580X) vs 768 (Radeon RX 6400). Raw compute: 5.53 TFLOPS (Radeon Pro 580X) vs 3.565 TFLOPS (Radeon RX 6400). Boost clocks: 1200 MHz vs 2321 MHz.
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| G3D Mark Score | 7,540 | 7,728+2% |
| Architecture | GCN 4.0 | RDNA 2.0 |
| Process Node | 14 nm | 6 nm |
| Shading Units | 2304+200% | 768 |
| Compute (TFLOPS) | 5.53 TFLOPS+55% | 3.565 TFLOPS |
| Boost Clock | 1200 MHz | 2321 MHz+93% |
| ROPs | 32 | 32 |
| TMUs | 144+200% | 48 |
| 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 6400 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 Pro 580X lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 3 (Native) |
| Frame Generation | Not Supported | FSR 3 / AFMF (Driver) |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon Pro 580X comes with 8 GB of VRAM, while the Radeon RX 6400 has 4 GB. The Radeon Pro 580X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 2 MB (Radeon Pro 580X) vs 1 MB (Radeon RX 6400) — the Radeon Pro 580X has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| VRAM Capacity | 8 GB+100% | 4 GB |
| Memory Type | GDDR6 | GDDR6 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 2 MB+100% | 1 MB |
Display & API Support
DirectX support: 12.0 (Radeon Pro 580X) vs 12.2 (Radeon RX 6400). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 2.
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| DirectX | 12.0 | 12.2+2% |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+100% | 2 |
Media & Encoding
Hardware encoder: VCE 3.4 (Radeon Pro 580X) vs None (Radeon RX 6400). Decoder: UVD 6.3 vs VCN 3.0 (Limited). Supported codecs: MPEG-2,H.264,HEVC (Radeon Pro 580X) vs MPEG-2,H.264 (Decode),HEVC (Decode) (Radeon RX 6400).
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| Encoder | VCE 3.4 | None |
| Decoder | UVD 6.3 | VCN 3.0 (Limited) |
| Codecs | MPEG-2,H.264,HEVC | MPEG-2,H.264 (Decode),HEVC (Decode) |
Power & Dimensions
The Radeon Pro 580X draws 150W versus the Radeon RX 6400's 53W — a 95.6% difference. The Radeon RX 6400 is more power-efficient. Recommended PSU: 350W (Radeon Pro 580X) vs 350W (Radeon RX 6400). Power connectors: PCIe-powered vs None. Card length: 0mm vs 172mm, occupying 0 vs 1 slots. Typical load temperature: 85°C vs 75°C.
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| TDP | 150W | 53W-65% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | None |
| Length | 0mm | 172mm |
| Height | 0mm | 112mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 85°C | 75°C-12% |
| Perf/Watt | 50.3 | 145.8+190% |
Value Analysis
The Radeon Pro 580X launched at $600 MSRP and currently averages $200, while the Radeon RX 6400 launched at $159 and now averages $139. The Radeon RX 6400 costs 30.5% less ($61 savings) at current market prices. Performance per dollar (G3D Mark / price): 37.7 (Radeon Pro 580X) vs 55.6 (Radeon RX 6400) — the Radeon RX 6400 offers 47.5% better value. The Radeon RX 6400 is the newer GPU (2022 vs 2019).
| Feature | Radeon Pro 580X | Radeon RX 6400 |
|---|---|---|
| MSRP | $600 | $159-74% |
| Avg Price (30d) | $200 | $139-31% |
| Performance per Dollar | 37.7 | 55.6+47% |
| Codename | Polaris 20 | Navi 24 |
| Release | March 18 2019 | January 19 2022 |
| Ranking | #339 | #330 |
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