Product Compare
AMD Radeon Pro W6800X vs AMD Radeon R9 390 X2
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Aug 2021 | Sep 2015 |
| Generation | Radeon Pro Mac | Pirate Islands |
| Type | Desktop | Desktop |
| Bus Interface | Apple MPX | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1800 MHz | |
| Boost Clock | 2087 MHz | |
| Memory Clock | 2000 MHz | 1350 MHz |
| Memory | ||
| Memory Size | 32GB | 8GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 512bit |
| Bandwidth | 512.0GB/s | 345.6GB/s |
| Render Config | ||
| Compute Units | 60 | 40 |
| Shading Units | 3840 | 2560 |
| TMUs | 240 | 160 |
| ROPs | 96 | 64 |
| RT Cores | 60 | |
| L1 Cache | 128 KB per Array | 16 KB (per CU) |
| L2 Cache | 4 MB | 1024 KB |
| L3 Cache | 128 MB | |
| Theoretical Performance | ||
| Pixel Rate | 200.4 GPixel/s | 64.00 GPixel/s |
| Texture Rate | 500.9 GTexel/s | 160.0 GTexel/s |
| FP16 (half) | 32.06 TFLOPS | |
| FP32 (float) | 16.03 TFLOPS | 5.120 TFLOPS |
| FP64 (double) | 1002 GFLOPS | 640.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 21 | Grenada |
| GPU Variant | Navi 21 Pro-XLA | Grenada PRO(215-0880030) |
| Architecture | RDNA 2.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 7 nm | 28 nm |
| Transistors | 26.8 billion | 6.2 billion |
| Die Size | 520 mm² | 438 mm² |
| Board Design | ||
| TDP | 200W | 580W |
| Suggested PSU | 550 W | 950 W |
| Outputs | 1x HDMI 2.14x Thunderbolt | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | Apple MPX | 4x 8-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.7 | 6.3 |