Product Compare
AMD Radeon RX 6800 3456SP vs AMD Radeon RX Vega 64 Limited Edition
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Unknown | Aug 2017 |
| Generation | Navi II | Vega |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1700 MHz | 1247 MHz |
| Boost Clock | 2250 MHz | 1546 MHz |
| Memory Clock | 2000 MHz | 945 MHz |
| Memory | ||
| Memory Size | 16GB | 8GB |
| Memory Type | GDDR6 | HBM2 |
| Memory Bus | 256bit | 2048bit |
| Bandwidth | 512.0GB/s | 483.8GB/s |
| Render Config | ||
| Compute Units | 54 | 64 |
| Shading Units | 3456 | 4096 |
| TMUs | 216 | 256 |
| ROPs | 96 | 64 |
| RT Cores | 54 | |
| L1 Cache | 128 KB per Array | 16 KB (per CU) |
| L2 Cache | 4 MB | 4 MB |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 216.0 GPixel/s | 98.94 GPixel/s |
| Texture Rate | 486.0 GTexel/s | 395.8 GTexel/s |
| FP16 (half) | 31.10 TFLOPS | 25.33 TFLOPS |
| FP32 (float) | 15.55 TFLOPS | 12.66 TFLOPS |
| FP64 (double) | 972.0 GFLOPS | 791.6 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | Vega 10 |
| GPU Variant | Navi 21 ES(215-121000066) | Vega 10 XT(215-0894200) |
| Architecture | RDNA 2.0 | GCN 5.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 7 nm | 14 nm |
| Transistors | 26.8 billion | 12.5 billion |
| Die Size | 520 mm² | 495 mm² |
| Board Design | ||
| TDP | 250W | 295W |
| Suggested PSU | 600 W | 600 W |
| Outputs | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C | 1x HDMI 2.0b3x DisplayPort 1.4a |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.8 | 6.4 |