Product Compare
AMD Radeon RX Vega 56 vs AMD Radeon HD 7870 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Aug 2017 | Nov 2012 |
| Generation | Vega | Southern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1156 MHz | 925 MHz |
| Boost Clock | 1471 MHz | 975 MHz |
| Memory Clock | 800 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 8GB | 2GB |
| Memory Type | HBM2 | GDDR5 |
| Memory Bus | 2048bit | 256bit |
| Bandwidth | 409.6GB/s | 192.0GB/s |
| Render Config | ||
| Compute Units | 56 | 24 |
| Shading Units | 3584 | 1536 |
| TMUs | 224 | 96 |
| ROPs | 64 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 4 MB | 512 KB |
| Theoretical Performance | ||
| Pixel Rate | 94.14 GPixel/s | 31.20 GPixel/s |
| Texture Rate | 329.5 GTexel/s | 93.60 GTexel/s |
| FP16 (half) | 21.09 TFLOPS | |
| FP32 (float) | 10.54 TFLOPS | 2.995 TFLOPS |
| FP64 (double) | 659.0 GFLOPS | 748.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | Vega 10 | Tahiti |
| GPU Variant | Vega 10 XL(215-0894216) | Tahiti LE(215-0821122) |
| Architecture | GCN 5.0 | GCN 1.0 |
| Foundry | GlobalFoundries | TSMC |
| Process Size | 14 nm | 28 nm |
| Transistors | 12.5 billion | 4.313 billion |
| Die Size | 495 mm² | 352 mm² |
| Board Design | ||
| TDP | 210W | 185W |
| Suggested PSU | 550 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 |