
Radeon RX 6600S vs Radeon PRO W6600X

Radeon RX 6600S
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Radeon PRO W6600X
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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 Radeon RX 6600S
Performance Per Dollar Radeon PRO W6600X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon PRO W6600X 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 6600S.
| Insight | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.7%) | ✅Leading raw performance (+0.7%) |
| 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 (4 GB) | 🎮 High Capacity (8 GB) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon RX 6600S offers a compelling cost-to-performance ratio. Priced at $400 versus $699 for the Radeon PRO W6600X, it costs 43% less. While it maintains competitive performance, this results in a 73.5% higher cost efficiency score.
| Insight | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+73.5%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($400) | ⚠️Higher upfront cost ($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.
Technical Specifications
Side-by-side comparison of Radeon RX 6600S and Radeon PRO W6600X

Radeon RX 6600S
The Radeon RX 6600S is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 1700 MHz to 2000 MHz. It has 1792 shading units. The thermal design power (TDP) is 80W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,016 points.

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 RX 6600S scores 13,016 and the Radeon PRO W6600X reaches 13,113 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The Radeon RX 6600S is built on RDNA 2.0 while the Radeon PRO W6600X uses RDNA 2.0, both on a 7 nm process. Shader units: 1,792 (Radeon RX 6600S) vs 2,048 (Radeon PRO W6600X). Raw compute: 7.168 TFLOPS (Radeon RX 6600S) vs 10.15 TFLOPS (Radeon PRO W6600X). Boost clocks: 2000 MHz vs 2479 MHz. Ray tracing: 28 RT cores (Radeon RX 6600S) vs 32 (Radeon PRO W6600X).
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| G3D Mark Score | 13,016 | 13,113 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Process Node | 7 nm | 7 nm |
| Shading Units | 1792 | 2048+14% |
| Compute (TFLOPS) | 7.168 TFLOPS | 10.15 TFLOPS+42% |
| Boost Clock | 2000 MHz | 2479 MHz+24% |
| ROPs | 64 | 64 |
| TMUs | 112 | 128+14% |
| L1 Cache | 512 KB | 512 KB |
| L2 Cache | 2 MB | 2 MB |
| Ray Tracing Cores | 28 | 32+14% |
Advanced Features (DLSS/FSR)
A critical advantage for the Radeon RX 6600S 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 W6600X lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| Upscaling Tech | FSR 3 (Native) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 / AFMF (Driver) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon RX 6600S comes with 4 GB of VRAM, while the Radeon PRO W6600X has 8 GB. The Radeon PRO W6600X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 256-bit.
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB+100% |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 224 GB/s | 224 GB/s |
| Bus Width | 128-bit | 256-bit+100% |
| L2 Cache | 2 MB | 2 MB |
Display & API Support
DirectX support: 12_2 (Radeon RX 6600S) vs 12.2 (Radeon PRO W6600X). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 4.
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| DirectX | 12_2 | 12.2+2% |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 0 | 4 |
Media & Encoding
Hardware encoder: VCN 3.0 (Radeon RX 6600S) vs VCN 3.0 (Radeon PRO W6600X). Decoder: VCN 3.0 vs VCN 3.0. Supported codecs: H.264,H.265/HEVC (Radeon RX 6600S) vs MPEG-2,H.264,HEVC,VP9,AV1 (Radeon PRO W6600X).
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| Encoder | VCN 3.0 | VCN 3.0 |
| Decoder | VCN 3.0 | VCN 3.0 |
| Codecs | H.264,H.265/HEVC | MPEG-2,H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX 6600S draws 80W versus the Radeon PRO W6600X's 120W — a 40% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 500W (Radeon RX 6600S) vs 500W (Radeon PRO W6600X). Power connectors: Mobile vs PCIe-powered. Card length: 1mm vs 241mm, occupying 0 vs 2 slots.
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| TDP | 80W-33% | 120W |
| Recommended PSU | 500W | 500W |
| Power Connector | Mobile | PCIe-powered |
| Length | 1mm | 241mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 75°C |
| Perf/Watt | 162.7+49% | 109.3 |
Value Analysis
The Radeon RX 6600S launched at $400 MSRP and currently averages $400, while the Radeon PRO W6600X launched at $699 and now averages $699. The Radeon RX 6600S costs 42.8% less ($299 savings) at current market prices. Performance per dollar (G3D Mark / price): 32.5 (Radeon RX 6600S) vs 18.8 (Radeon PRO W6600X) — the Radeon RX 6600S offers 72.9% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2021).
| Feature | Radeon RX 6600S | Radeon PRO W6600X |
|---|---|---|
| MSRP | $400-43% | $699 |
| Avg Price (30d) | $400-43% | $699 |
| Performance per Dollar | 32.5+73% | 18.8 |
| Codename | Navi 23 | Navi 23 |
| Release | January 4 2022 | August 3 2021 |
| Ranking | #200 | #197 |
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