Product Compare
AMD Radeon RX Vega 64 vs AMD Radeon RX 6800 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Aug 2017 | Oct 2020 |
| Generation | Vega | Navi II |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1247 MHz | 1825 MHz |
| Boost Clock | 1546 MHz | 2250 MHz |
| Memory Clock | 945 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 8GB | 16GB |
| Memory Type | HBM2 | GDDR6 |
| Memory Bus | 2048bit | 256bit |
| Bandwidth | 483.8GB/s | 512.0GB/s |
| Render Config | ||
| Compute Units | 64 | 72 |
| Shading Units | 4096 | 4608 |
| TMUs | 256 | 288 |
| ROPs | 64 | 128 |
| L1 Cache | 16 KB (per CU) | 128 KB per Array |
| L2 Cache | 4 MB | 4 MB |
| RT Cores | 72 | |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 98.94 GPixel/s | 288.0 GPixel/s |
| Texture Rate | 395.8 GTexel/s | 648.0 GTexel/s |
| FP16 (half) | 25.33 TFLOPS | 41.47 TFLOPS |
| FP32 (float) | 12.66 TFLOPS | 20.74 TFLOPS |
| FP64 (double) | 791.6 GFLOPS | 1296 GFLOPS |
| Graphics Processor | ||
| GPU Name | Vega 10 | Navi 21 |
| GPU Variant | Vega 10 XT(215-0894200) | Navi 21 XT(215-121000177) |
| Architecture | GCN 5.0 | RDNA 2.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 7 nm |
| Transistors | 12.5 billion | 26.8 billion |
| Die Size | 495 mm² | 520 mm² |
| Board Design | ||
| TDP | 295W | 300W |
| Suggested PSU | 600 W | 700 W |
| Outputs | 1x HDMI 2.0b3x DisplayPort 1.4a | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 6.4 | 6.5 |
| Benchmarks | ||
| 3DMark Time Spy | 7373 | 19329 |