Product Compare
AMD Radeon RX Vega 64 vs AMD Radeon HD 6990
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Aug 2017 | Mar 2011 |
| Generation | Vega | Northern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 1247 MHz | |
| Boost Clock | 1546 MHz | |
| Memory Clock | 945 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 8GB | 2GB |
| Memory Type | HBM2 | GDDR5 |
| Memory Bus | 2048bit | 256bit |
| Bandwidth | 483.8GB/s | 160.0GB/s |
| Render Config | ||
| Compute Units | 64 | 24 |
| Shading Units | 4096 | 1536 |
| TMUs | 256 | 96 |
| ROPs | 64 | 32 |
| L1 Cache | 16 KB (per CU) | 8 KB (per CU) |
| L2 Cache | 4 MB | 512 KB |
| Theoretical Performance | ||
| Pixel Rate | 98.94 GPixel/s | 26.56 GPixel/s |
| Texture Rate | 395.8 GTexel/s | 79.68 GTexel/s |
| FP16 (half) | 25.33 TFLOPS | |
| FP32 (float) | 12.66 TFLOPS | 2.550 TFLOPS |
| FP64 (double) | 791.6 GFLOPS | 637.4 GFLOPS |
| Graphics Processor | ||
| GPU Name | Vega 10 | Antilles |
| GPU Variant | Vega 10 XT(215-0894200) | Antilles XT(215-0807027) |
| Architecture | GCN 5.0 | TeraScale 3 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 40 nm |
| Transistors | 12.5 billion | 2.64 billion |
| Die Size | 495 mm² | 389 mm² |
| Board Design | ||
| TDP | 295W | 375W |
| Suggested PSU | 600 W | 750 W |
| Outputs | 1x HDMI 2.0b3x DisplayPort 1.4a | 1x DVI4x mini-DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_1) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.2 | N/A |
| Shader Model | 6.4 | 5.0 |