
Radeon RX 6600S vs Radeon RX Vega 56

Radeon RX 6600S
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Radeon RX Vega 56
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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
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX 6600S uses modern memory architecture. The Radeon RX 6600S likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 56 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX Vega 56 is the superior choice for raw performance. It leads with a 0.1% 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 RX Vega 56 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.1%) | ✅Leading raw performance (+0.1%) |
| Longevity | 🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm) | 🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (4 GB) | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | Standard Size (280mm) |
💎 Value Proposition
The Radeon RX Vega 56 offers a compelling cost-to-performance ratio. Priced at $75 versus $400 for the Radeon RX 6600S, it costs 81% less. While it maintains competitive performance, this results in a 433.7% higher cost efficiency score.
| Insight | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+433.7%) |
| Upfront Cost | ⚠️Higher upfront cost ($400) | ✅More affordable ($75) |
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 RX Vega 56

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 RX Vega 56
The Radeon RX Vega 56 is manufactured by AMD. It was released in August 14 2017. It features the GCN 5.0 architecture. The core clock ranges from 1156 MHz to 1471 MHz. It has 3584 shading units. The thermal design power (TDP) is 210W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,026 points. Launch price was $399.
Graphics Performance
The Radeon RX 6600S scores 13,016 and the Radeon RX Vega 56 reaches 13,026 in the G3D Mark benchmark — just a 0.1% difference, making them near-identical in rasterization performance. The Radeon RX 6600S is built on RDNA 2.0 while the Radeon RX Vega 56 uses GCN 5.0, both on 7 nm vs 14 nm. Shader units: 1,792 (Radeon RX 6600S) vs 3,584 (Radeon RX Vega 56). Raw compute: 7.168 TFLOPS (Radeon RX 6600S) vs 10.54 TFLOPS (Radeon RX Vega 56). Boost clocks: 2000 MHz vs 1471 MHz.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| G3D Mark Score | 13,016 | 13,026 |
| Architecture | RDNA 2.0 | GCN 5.0 |
| Process Node | 7 nm | 14 nm |
| Shading Units | 1792 | 3584+100% |
| Compute (TFLOPS) | 7.168 TFLOPS | 10.54 TFLOPS+47% |
| Boost Clock | 2000 MHz+36% | 1471 MHz |
| ROPs | 64 | 64 |
| TMUs | 112 | 224+100% |
| L1 Cache | 512 KB | 896 KB+75% |
| L2 Cache | 2 MB | 4 MB+100% |
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 RX Vega 56 lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| 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 RX Vega 56 has 8 GB. The Radeon RX Vega 56 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 224 GB/s (Radeon RX 6600S) vs 410 GB/s (Radeon RX Vega 56) — a 83% advantage for the Radeon RX Vega 56. Bus width: 128-bit vs 2048-bit. L2 Cache: 2 MB (Radeon RX 6600S) vs 4 MB (Radeon RX Vega 56) — the Radeon RX Vega 56 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB+100% |
| Memory Type | GDDR6 | HBM2 |
| Memory Bandwidth | 224 GB/s | 410 GB/s+83% |
| Bus Width | 128-bit | 2048-bit+1500% |
| L2 Cache | 2 MB | 4 MB+100% |
Display & API Support
DirectX support: 12_2 (Radeon RX 6600S) vs 12 (12_1) (Radeon RX Vega 56). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 4.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| DirectX | 12_2 | 12 (12_1) |
| 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 VCE 4.0 (Radeon RX Vega 56). Decoder: VCN 3.0 vs UVD 7.0. Supported codecs: H.264,H.265/HEVC (Radeon RX 6600S) vs H.264,H.265,VP9 (Radeon RX Vega 56).
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| Encoder | VCN 3.0 | VCE 4.0 |
| Decoder | VCN 3.0 | UVD 7.0 |
| Codecs | H.264,H.265/HEVC | H.264,H.265,VP9 |
Power & Dimensions
The Radeon RX 6600S draws 80W versus the Radeon RX Vega 56's 210W — a 89.7% difference. The Radeon RX 6600S is more power-efficient. Recommended PSU: 500W (Radeon RX 6600S) vs 650W (Radeon RX Vega 56). Power connectors: Mobile vs 2x 8-pin. Card length: 1mm vs 280mm, occupying 0 vs 2 slots.
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| TDP | 80W-62% | 210W |
| Recommended PSU | 500W-23% | 650W |
| Power Connector | Mobile | 2x 8-pin |
| Length | 1mm | 280mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 75 |
| Perf/Watt | 162.7+162% | 62.0 |
Value Analysis
The Radeon RX 6600S launched at $400 MSRP and currently averages $400, while the Radeon RX Vega 56 launched at $399 and now averages $75. The Radeon RX Vega 56 costs 81.3% less ($325 savings) at current market prices. Performance per dollar (G3D Mark / price): 32.5 (Radeon RX 6600S) vs 173.7 (Radeon RX Vega 56) — the Radeon RX Vega 56 offers 434.5% better value. The Radeon RX 6600S is the newer GPU (2022 vs 2017).
| Feature | Radeon RX 6600S | Radeon RX Vega 56 |
|---|---|---|
| MSRP | $400 | $399 |
| Avg Price (30d) | $400 | $75-81% |
| Performance per Dollar | 32.5 | 173.7+434% |
| Codename | Navi 23 | Vega 10 |
| Release | January 4 2022 | August 14 2017 |
| Ranking | #200 | #199 |
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