
Radeon PRO W6600X
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Radeon RX 6600S
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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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, raw graphics performance, VRAM, feature set, power efficiency, pricing context, and long-term value so you can see which GPU actually makes more sense.
Radeon PRO W6600X
2021Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).
Trade-offs
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
- ❌Weaker long-term outlook: Radeon RX 6600S is the safer future-proof pick thanks to newer hardware and better gaming feature support.
- ❌74.8% HIGHER MSRP$699 MSRPvs$400 MSRP
- ❌Lower G3D Mark per dollar, at 18.8 vs 32.5 G3D/$ ($699 MSRP vs $400 MSRP).
- ❌50% higher power demand at 120W vs 80W.
Radeon RX 6600S
2022Why buy it
- ✅Costs $299 less on MSRP ($400 MSRP vs $699 MSRP).
- ✅Delivers 73.5% more G3D Mark for each dollar spent, at 32.5 vs 18.8 G3D/$ ($400 MSRP vs $699 MSRP).
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
- ✅More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.
- ✅Draws 80W instead of 120W, a 40W reduction.
Trade-offs
- ❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
Radeon PRO W6600X
2021Radeon RX 6600S
2022Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (8 GB vs 4 GB).
Why buy it
- ✅Costs $299 less on MSRP ($400 MSRP vs $699 MSRP).
- ✅Delivers 73.5% more G3D Mark for each dollar spent, at 32.5 vs 18.8 G3D/$ ($400 MSRP vs $699 MSRP).
- ✅Access to a newer frame-generation stack with FSR Frame Generation + AFMF (2023).
- ✅More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.
- ✅Draws 80W instead of 120W, a 40W reduction.
Trade-offs
- ❌No equivalent frame-generation stack like FSR Frame Generation + AFMF (2023).
- ❌Weaker long-term outlook: Radeon RX 6600S is the safer future-proof pick thanks to newer hardware and better gaming feature support.
- ❌74.8% HIGHER MSRP$699 MSRPvs$400 MSRP
- ❌Lower G3D Mark per dollar, at 18.8 vs 32.5 G3D/$ ($699 MSRP vs $400 MSRP).
- ❌50% higher power demand at 120W vs 80W.
Trade-offs
- ❌Less VRAM, with 4 GB vs 8 GB for high-resolution textures and newer games.
Quick Answers
So, is Radeon PRO W6600X better than Radeon RX 6600S?
Which one is more future-proof for 2026 and beyond?
Which one is the smarter buy today, not just the cheaper card?
When does Radeon RX 6600S make more sense than Radeon PRO W6600X?
Games Benchmarks
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 9800X3D 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.

Path of Exile 2
| Preset | Radeon PRO W6600X | Radeon RX 6600S |
|---|---|---|
| 1080p | ||
| low | 167 FPS | 157 FPS |
| medium | 148 FPS | 144 FPS |
| high | 131 FPS | 125 FPS |
| ultra | 111 FPS | 94 FPS |
| 1440p | ||
| low | 140 FPS | 137 FPS |
| medium | 113 FPS | 117 FPS |
| high | 101 FPS | 100 FPS |
| ultra | 91 FPS | 78 FPS |
| 4K | ||
| low | 84 FPS | 64 FPS |
| medium | 71 FPS | 56 FPS |
| high | 58 FPS | 48 FPS |
| ultra | 50 FPS | 43 FPS |

Counter-Strike 2
| Preset | Radeon PRO W6600X | Radeon RX 6600S |
|---|---|---|
| 1080p | ||
| low | 355 FPS | 287 FPS |
| medium | 287 FPS | 235 FPS |
| high | 221 FPS | 185 FPS |
| ultra | 176 FPS | 145 FPS |
| 1440p | ||
| low | 213 FPS | 182 FPS |
| medium | 173 FPS | 147 FPS |
| high | 136 FPS | 115 FPS |
| ultra | 108 FPS | 92 FPS |
| 4K | ||
| low | 103 FPS | 98 FPS |
| medium | 84 FPS | 78 FPS |
| high | 69 FPS | 64 FPS |
| ultra | 53 FPS | 49 FPS |

League of Legends
| Preset | Radeon PRO W6600X | Radeon RX 6600S |
|---|---|---|
| 1080p | ||
| low | 590 FPS | 498 FPS |
| medium | 472 FPS | 438 FPS |
| high | 393 FPS | 346 FPS |
| ultra | 295 FPS | 293 FPS |
| 1440p | ||
| low | 443 FPS | 347 FPS |
| medium | 354 FPS | 316 FPS |
| high | 295 FPS | 262 FPS |
| ultra | 221 FPS | 213 FPS |
| 4K | ||
| low | 295 FPS | 226 FPS |
| medium | 236 FPS | 196 FPS |
| high | 197 FPS | 150 FPS |
| ultra | 148 FPS | 112 FPS |

Valorant
| Preset | Radeon PRO W6600X | Radeon RX 6600S |
|---|---|---|
| 1080p | ||
| low | 590 FPS | 327 FPS |
| medium | 472 FPS | 261 FPS |
| high | 393 FPS | 235 FPS |
| ultra | 295 FPS | 200 FPS |
| 1440p | ||
| low | 443 FPS | 250 FPS |
| medium | 354 FPS | 199 FPS |
| high | 295 FPS | 174 FPS |
| ultra | 221 FPS | 146 FPS |
| 4K | ||
| low | 295 FPS | 134 FPS |
| medium | 236 FPS | 107 FPS |
| high | 197 FPS | 99 FPS |
| ultra | 148 FPS | 79 FPS |
Technical Specifications
Side-by-side comparison of Radeon PRO W6600X and Radeon RX 6600S

Radeon PRO W6600X
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.

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