Product Compare
AMD Instinct MI300A vs AMD Radeon RX 6800
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Dec 2023 | Oct 2020 |
| Generation | Radeon Instinct | Navi II |
| Type | Professional | Desktop |
| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Base Clock | 1000 MHz | 1700 MHz |
| Boost Clock | 2100 MHz | 2105 MHz |
| Memory Clock | 1300 MHz | 2000 MHz |
| Memory | ||
| Memory Size | 128GB | 16GB |
| Memory Type | HBM3 | GDDR6 |
| Memory Bus | 8192bit | 256bit |
| Bandwidth | 5.32TB/s | 512.0GB/s |
| Render Config | ||
| Compute Units | 228 | 60 |
| Shading Units | 14592 | 3840 |
| TMUs | 912 | 240 |
| ROPs | 0 | 96 |
| L1 Cache | 16 KB (per CU) | 128 KB per Array |
| L2 Cache | 16 MB | 4 MB |
| L3 Cache | 256 MB | 128 MB |
| RT Cores | 60 | |
| Theoretical Performance | ||
| Pixel Rate | 0 MPixel/s | 202.1 GPixel/s |
| Texture Rate | 1915.2 GTexel/s | 505.2 GTexel/s |
| FP16 (half) | 653.7 TFLOPS | 32.33 TFLOPS |
| FP32 (float) | 61.29 TFLOPS | 16.17 TFLOPS |
| FP64 (double) | 30.64 TFLOPS | 1010 GFLOPS |
| Graphics Processor | ||
| GPU Name | Aqua Vanjaram | Navi 21 |
| Architecture | CDNA 3.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 7 nm |
| Transistors | 153 billion | 26.8 billion |
| Die Size | 1017 mm² | 520 mm² |
| GPU Variant | Navi 21 XL(215-121000187) | |
| Board Design | ||
| TDP | 750W | 250W |
| Suggested PSU | 1150 W | 600 W |
| Outputs | No outputs | 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C |
| Power Connectors | None | 2x 8-pin |
| Graphics Features | ||
| DirectX | N/A | 12 Ultimate (12_2) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.1 |
| Vulkan | N/A | 1.3 |
| Shader Model | N/A | 6.5 |