Product Compare
AMD Radeon HD 8870 OEM vs NVIDIA RTX A500 Mobile
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2013 | Mar 2022 |
| Generation | Sea Islands | Ampere-MW |
| Type | Desktop | Professional |
| Bus Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Clock Speeds | ||
| Memory Clock | 1200 MHz | 1500 MHz |
| Base Clock | 832 MHz | |
| Boost Clock | 1537 MHz | |
| Memory | ||
| Memory Size | 2GB | 4GB |
| Memory Type | GDDR5 | GDDR6 |
| Memory Bus | 256bit | 64bit |
| Bandwidth | 153.6GB/s | 96.00GB/s |
| Render Config | ||
| Compute Units | 20 | |
| Shading Units | 1280 | 2048 |
| TMUs | 80 | 64 |
| ROPs | 32 | 32 |
| L1 Cache | 16 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 512 KB | 2 MB |
| SM Count | 16 | |
| Tensor Cores | 64 | |
| RT Cores | 16 | |
| Theoretical Performance | ||
| Pixel Rate | 32.00 GPixel/s | 49.18 GPixel/s |
| Texture Rate | 80.00 GTexel/s | 98.37 GTexel/s |
| FP32 (float) | 2.560 TFLOPS | 6.296 TFLOPS |
| FP64 (double) | 160.0 GFLOPS | 98.37 GFLOPS |
| FP16 (half) | 6.296 TFLOPS | |
| Graphics Processor | ||
| GPU Name | Pitcairn | GA107S |
| GPU Variant | Pitcairn XT(215-0828047) | |
| Architecture | GCN 1.0 | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 28 nm | 8 nm |
| Transistors | 2.8 billion | 8.7 billion |
| Die Size | 212 mm² | 200 mm² |
| Board Design | ||
| TDP | 175W | 30W |
| Suggested PSU | 450 W | |
| Outputs | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 | Portable Device Dependent |
| Power Connectors | 2x 6-pin | None |
| Graphics Features | ||
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.3 |
| Shader Model | 5.1 | 6.8 |
| CUDA | 8.6 | |