Product Compare
AMD Radeon HD 7970 vs AMD Radeon RX Vega Nano
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2012 | Unknown |
| Generation | Southern Islands | Vega |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1375 MHz | 800 MHz |
| Base Clock | 1247 MHz | |
| Boost Clock | 1546 MHz | |
| Memory | ||
| Memory Size | 3GB | 8GB |
| Memory Type | GDDR5 | HBM2 |
| Memory Bus | 384bit | 2048bit |
| Bandwidth | 264.0GB/s | 409.6GB/s |
| Render Config | ||
| Compute Units | 32 | 64 |
| Shading Units | 2048 | 4096 |
| TMUs | 128 | 256 |
| ROPs | 32 | 64 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 768 KB | 4 MB |
| Theoretical Performance | ||
| Pixel Rate | 29.60 GPixel/s | 98.94 GPixel/s |
| Texture Rate | 118.4 GTexel/s | 395.8 GTexel/s |
| FP32 (float) | 3.789 TFLOPS | 12.66 TFLOPS |
| FP64 (double) | 947.2 GFLOPS | 791.6 GFLOPS |
| Graphics Processor | ||
| GPU Name | Tahiti | Vega 10 |
| GPU Variant | Tahiti XT(215-0821060) | Vega 10 XT(215-0894200) |
| Architecture | GCN 1.0 | GCN 5.0 |
| Foundry | TSMC | GlobalFoundries |
| Process Size | 28 nm | 14 nm |
| Transistors | 4.313 billion | 12.5 billion |
| Die Size | 352 mm² | 495 mm² |
| Board Design | ||
| TDP | 250W | 175W |
| Suggested PSU | 600 W | 450 W |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | 1x HDMI 2.0b3x DisplayPort 1.4a |
| Power Connectors | 1x 6-pin + 1x 8-pin | 1x 8-pin |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 (12_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 (1.2) | 2.1 |
| Vulkan | 1.2.170 | 1.2 |
| Shader Model | 6.5 (5.1) | 6.4 |