Product Compare
AMD Radeon HD 6990 vs AMD Radeon Pro Vega II Duo
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Mar 2011 | Jun 2019 |
| Generation | Northern Islands | Radeon Pro Mac |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | Apple MPX |
| Clock Speeds | ||
| Memory Clock | 1250 MHz | 1000 MHz |
| Base Clock | 1400 MHz | |
| Boost Clock | 1720 MHz | |
| Memory | ||
| Memory Size | 2GB | 32GB |
| Memory Type | GDDR5 | HBM2 |
| Memory Bus | 256bit | 4096bit |
| Bandwidth | 160.0GB/s | 1020GB/s |
| Render Config | ||
| Compute Units | 24 | 64 |
| Shading Units | 1536 | 4096 |
| TMUs | 96 | 256 |
| ROPs | 32 | 64 |
| L1 Cache | 8 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 512 KB | 4 MB |
| Theoretical Performance | ||
| Pixel Rate | 26.56 GPixel/s | 110.1 GPixel/s |
| Texture Rate | 79.68 GTexel/s | 440.3 GTexel/s |
| FP32 (float) | 2.550 TFLOPS | 14.09 TFLOPS |
| FP64 (double) | 637.4 GFLOPS | 7.045 TFLOPS |
| FP16 (half) | 28.18 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Antilles | Vega 20 |
| GPU Variant | Antilles XT(215-0807027) | Vega 20 XT |
| Architecture | TeraScale 3 | GCN 5.1 |
| Foundry | TSMC | TSMC |
| Process Size | 40 nm | 7 nm |
| Transistors | 2.64 billion | 13.23 billion |
| Die Size | 389 mm² | 331 mm² |
| Board Design | ||
| TDP | 375W | 475W |
| Suggested PSU | 750 W | 850 W |
| Outputs | 1x DVI4x mini-DisplayPort 1.2 | 1x HDMI 2.0b4x Thunderbolt |
| Power Connectors | 2x 8-pin | None |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 (12_1) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | N/A | 1.3 |
| Shader Model | 5.0 | 6.7 |