Product Compare
AMD Radeon RX Vega 64 vs AMD Radeon HD 7870 GHz Edition
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Aug 2017 | Mar 2012 |
| Generation | Vega | Southern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1247 MHz | |
| Boost Clock | 1546 MHz | |
| Memory Clock | 945 MHz | 1200 MHz |
| Memory | ||
| Memory Size | 8GB | 2GB |
| Memory Type | HBM2 | GDDR5 |
| Memory Bus | 2048bit | 256bit |
| Bandwidth | 483.8GB/s | 153.6GB/s |
| Render Config | ||
| Compute Units | 64 | 20 |
| Shading Units | 4096 | 1280 |
| TMUs | 256 | 80 |
| ROPs | 64 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 4 MB | 512 KB |
| Theoretical Performance | ||
| Pixel Rate | 98.94 GPixel/s | 32.00 GPixel/s |
| Texture Rate | 395.8 GTexel/s | 80.00 GTexel/s |
| FP16 (half) | 25.33 TFLOPS | |
| FP32 (float) | 12.66 TFLOPS | 2.560 TFLOPS |
| FP64 (double) | 791.6 GFLOPS | 160.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | Vega 10 | Pitcairn |
| GPU Variant | Vega 10 XT(215-0894200) | Pitcairn XT(215-0828047) |
| Architecture | GCN 5.0 | GCN 1.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 28 nm |
| Transistors | 12.5 billion | 2.8 billion |
| Die Size | 495 mm² | 212 mm² |
| Board Design | ||
| TDP | 295W | 175W |
| Suggested PSU | 600 W | 450 W |
| Outputs | 1x HDMI 2.0b3x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 2x 8-pin | 2x 6-pin |
| Graphics Features | ||
| DirectX | 12 (12_1) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader Model | 6.4 | 5.1 |