Radeon RX Vega 64 vs Radeon RX 6600M
Radeon RX Vega 64
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Radeon RX 6600M
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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
Performance Per Dollar Radeon RX 6600M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX 6600M uses modern memory architecture. The Radeon RX 6600M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon RX Vega 64 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon RX Vega 64 is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon RX 6600M.
| Insight | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| Performance | ✅Leading raw performance (+0.2%) | ❌Lower raw frame rates (-0.2%) |
| Longevity | 🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020)) | 🔮Strong Longevity (RDNA 2.0 (2020−2025) / 7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | 🎮 High Capacity (8 GB) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (267mm) | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon RX Vega 64 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 Vega 64 and Radeon RX 6600M
Radeon RX Vega 64
The Radeon RX Vega 64 is manufactured by AMD. It was released in August 7 2017. It features the GCN 5.0 architecture. The core clock ranges from 1247 MHz to 1546 MHz. It has 4096 shading units. The thermal design power (TDP) is 295W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 13,949 points. Launch price was $499.
Radeon RX 6600M
The Radeon RX 6600M is manufactured by AMD. It was released in May 31 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2068 MHz to 2416 MHz. It has 1792 shading units. The thermal design power (TDP) is 100W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,922 points.
Graphics Performance
The Radeon RX Vega 64 scores 13,949 and the Radeon RX 6600M reaches 13,922 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The Radeon RX Vega 64 is built on GCN 5.0 while the Radeon RX 6600M uses RDNA 2.0, both on 14 nm vs 7 nm. Shader units: 4,096 (Radeon RX Vega 64) vs 1,792 (Radeon RX 6600M). Raw compute: 12.66 TFLOPS (Radeon RX Vega 64) vs 8.659 TFLOPS (Radeon RX 6600M). Boost clocks: 1546 MHz vs 2416 MHz.
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| G3D Mark Score | 13,949 | 13,922 |
| Architecture | GCN 5.0 | RDNA 2.0 |
| Process Node | 14 nm | 7 nm |
| Shading Units | 4096+129% | 1792 |
| Compute (TFLOPS) | 12.66 TFLOPS+46% | 8.659 TFLOPS |
| Boost Clock | 1546 MHz | 2416 MHz+56% |
| ROPs | 64 | 64 |
| TMUs | 256+129% | 112 |
| L1 Cache | 1 MB+100% | 0.5 MB |
| L2 Cache | 4 MB+100% | 2 MB |
Advanced Features (DLSS/FSR)
A critical advantage for the Radeon RX 6600M 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 64 lacks specific hardware/driver support for this native frame generation tier.
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| 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)
Both cards feature 8 GB of video memory. Memory bandwidth: 484 GB/s (Radeon RX Vega 64) vs 224 GB/s (Radeon RX 6600M) — a 116.1% advantage for the Radeon RX Vega 64. Bus width: 2048-bit vs 128-bit. L2 Cache: 4 MB (Radeon RX Vega 64) vs 2 MB (Radeon RX 6600M) — the Radeon RX Vega 64 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| VRAM Capacity | 8 GB | 8 GB |
| Memory Type | HBM2 | GDDR6 |
| Memory Bandwidth | 484 GB/s+116% | 224 GB/s |
| Bus Width | 2048-bit+1500% | 128-bit |
| L2 Cache | 4 MB+100% | 2 MB |
Display & API Support
DirectX support: 12.1 (Radeon RX Vega 64) vs 12 (FL 12_2) (Radeon RX 6600M). Vulkan: 1.1 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| DirectX | 12.1 | 12 (FL 12_2) |
| Vulkan | 1.1 | 1.3+18% |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: VCE 4.0 (Radeon RX Vega 64) vs VCN 3.0 (Radeon RX 6600M). Decoder: UVD 7.0 vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9 (Radeon RX Vega 64) vs H.264,HEVC,VP9,AV1 (Radeon RX 6600M).
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| Encoder | VCE 4.0 | VCN 3.0 |
| Decoder | UVD 7.0 | VCN 3.0 |
| Codecs | MPEG-2,H.264,HEVC,VP9 | H.264,HEVC,VP9,AV1 |
Power & Dimensions
The Radeon RX Vega 64 draws 295W versus the Radeon RX 6600M's 100W — a 98.7% difference. The Radeon RX 6600M is more power-efficient. Recommended PSU: 750W (Radeon RX Vega 64) vs 500W (Radeon RX 6600M). Power connectors: 2x 8-pin vs Mobile.
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| TDP | 295W | 100W-66% |
| Recommended PSU | 750W | 500W-33% |
| Power Connector | 2x 8-pin | Mobile |
| Length | 267mm | — |
| Height | 111mm | — |
| Slots | 2 | 0-100% |
| Temp (Load) | 85°C | — |
| Perf/Watt | 47.3 | 139.2+194% |
Value Analysis
The Radeon RX 6600M is the newer GPU (2021 vs 2017).
| Feature | Radeon RX Vega 64 | Radeon RX 6600M |
|---|---|---|
| MSRP | $499 | — |
| Avg Price (30d) | $85 | — |
| Codename | Vega 10 | Navi 23 |
| Release | August 7 2017 | May 31 2021 |
| Ranking | #171 | #173 |
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