
Radeon PRO W7900 Dual Slot
Popular choices:

Radeon PRO W6600X
Popular choices:
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 Radeon PRO W7900 Dual Slot
Performance Per Dollar Radeon PRO W6600X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon PRO W7900 Dual Slot is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon PRO W6600X.
| Insight | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| Performance | ✅Leading raw performance (+0.5%) | ❌Lower raw frame rates (-0.5%) |
| Longevity | 🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm) | 🔮Strong Longevity (RDNA 2.0 / 7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (8 GB) | 🎮 High Capacity (8 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (280mm) | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon PRO W6600X offers a compelling cost-to-performance ratio. Priced at $699 versus $3,499 for the Radeon PRO W7900 Dual Slot, it costs 80% less. While it maintains competitive performance, this results in a 398% higher cost efficiency score.
| Insight | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+398%) |
| Upfront Cost | ⚠️Higher upfront cost ($3,499) | ✅More affordable ($699) |
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.

League of Legends
Technical Specifications
Side-by-side comparison of Radeon PRO W7900 Dual Slot and Radeon PRO W6600X

Radeon PRO W7900 Dual Slot
The Radeon PRO W7900 Dual Slot is manufactured by AMD. It was released in August 3 2021. It features the RDNA 2.0 architecture. The core clock ranges from 1800 MHz to 1967 MHz. It has 3840 ×2 shading units. The thermal design power (TDP) is 400W. Manufactured using 7 nm process technology. It features 60 ×2 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,182 points. Launch price was $4,999.

Radeon PRO W6600X
The Radeon PRO W6600X is manufactured by AMD. It was released in August 3 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2068 MHz to 2479 MHz. It has 2048 shading units. The thermal design power (TDP) is 120W. Manufactured using 7 nm process technology. It features 32 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,113 points. Launch price was $699.
Graphics Performance
The Radeon PRO W7900 Dual Slot scores 13,182 and the Radeon PRO W6600X reaches 13,113 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon PRO W7900 Dual Slot is built on RDNA 2.0 while the Radeon PRO W6600X uses RDNA 2.0, both on a 7 nm process. Shader units: 3,840 (Radeon PRO W7900 Dual Slot) vs 2,048 (Radeon PRO W6600X). Raw compute: 15.11 TFLOPS ×2 (Radeon PRO W7900 Dual Slot) vs 10.15 TFLOPS (Radeon PRO W6600X). Boost clocks: 1967 MHz vs 2479 MHz. Ray tracing: 60 ×2 RT cores (Radeon PRO W7900 Dual Slot) vs 32 (Radeon PRO W6600X).
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| G3D Mark Score | 13,182 | 13,113 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Process Node | 7 nm | 7 nm |
| Shading Units | 3840 ×2+88% | 2048 |
| Compute (TFLOPS) | 15.11 TFLOPS ×2+49% | 10.15 TFLOPS |
| Boost Clock | 1967 MHz | 2479 MHz+26% |
| ROPs | 96 ×2+50% | 64 |
| TMUs | 240 ×2+88% | 128 |
| L1 Cache | 768 KB+50% | 512 KB |
| L2 Cache | 4 MB+100% | 2 MB |
| Ray Tracing Cores | 60 ×2+88% | 32 |
Advanced Features (DLSS/FSR)
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 8 GB of GDDR6. Memory bandwidth: 864 GB/s (Radeon PRO W7900 Dual Slot) vs 224 GB/s (Radeon PRO W6600X) — a 285.7% advantage for the Radeon PRO W7900 Dual Slot. Bus width: 384-bit vs 256-bit. L2 Cache: 4 MB (Radeon PRO W7900 Dual Slot) vs 2 MB (Radeon PRO W6600X) — the Radeon PRO W7900 Dual Slot has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| VRAM Capacity | 8 GB | 8 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 864 GB/s+286% | 224 GB/s |
| Bus Width | 384-bit+50% | 256-bit |
| L2 Cache | 4 MB+100% | 2 MB |
Display & API Support
DirectX support: 12.2 (Radeon PRO W7900 Dual Slot) vs 12.2 (Radeon PRO W6600X). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| DirectX | 12.2 | 12.2 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCN 4.0 (2x) (Radeon PRO W7900 Dual Slot) vs VCN 3.0 (Radeon PRO W6600X). Decoder: VCN 4.0 (2x) vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W7900 Dual Slot) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W6600X).
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| Encoder | VCN 4.0 (2x) | VCN 3.0 |
| Decoder | VCN 4.0 (2x) | VCN 3.0 |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon PRO W7900 Dual Slot draws 400W versus the Radeon PRO W6600X's 120W — a 107.7% difference. The Radeon PRO W6600X is more power-efficient. Recommended PSU: 500W (Radeon PRO W7900 Dual Slot) vs 500W (Radeon PRO W6600X). Power connectors: PCIe-powered vs PCIe-powered. Card length: 280mm vs 241mm, occupying 2 vs 2 slots. Typical load temperature: 85°C vs 75°C.
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| TDP | 400W | 120W-70% |
| Recommended PSU | 500W | 500W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 280mm | 241mm |
| Height | 111mm | 111mm |
| Slots | 2 | 2 |
| Temp (Load) | 85°C | 75°C-12% |
| Perf/Watt | 33.0 | 109.3+231% |
Value Analysis
The Radeon PRO W7900 Dual Slot launched at $3499 MSRP and currently averages $3499, while the Radeon PRO W6600X launched at $699 and now averages $699. The Radeon PRO W6600X costs 80% less ($2800 savings) at current market prices. Performance per dollar (G3D Mark / price): 3.8 (Radeon PRO W7900 Dual Slot) vs 18.8 (Radeon PRO W6600X) — the Radeon PRO W6600X offers 394.7% better value.
| Feature | Radeon PRO W7900 Dual Slot | Radeon PRO W6600X |
|---|---|---|
| MSRP | $3499 | $699-80% |
| Avg Price (30d) | $3499 | $699-80% |
| Performance per Dollar | 3.8 | 18.8+395% |
| Codename | Navi 21 | Navi 23 |
| Release | August 3 2021 | August 3 2021 |
| Ranking | #157 | #197 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.













