AMD Radeon HD 8870M vs NVIDIA Quadro M620 Mobile
What is the difference between AMD Radeon HD 8870M and NVIDIA Quadro M620 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Venus | GPU Name | GM107 |
| GCN 1.0 | Architecture | Maxwell |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 28 nm |
| 1,500 million | Transistors | 1,870 million |
| 123 mm² | Die Size | 148 mm² |
Graphics Card
| Apr 1st, 2013 | Release Date | Jan 11th, 2017 |
| Solar System (HD 8800M) | Family | Quadro Mobile (Mx200) |
| End-of-life | Production | Active |
| PCIe 3.0 x16 | Bus Interface | MXM-A (3.0) |
Memory
| 2 GB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 128 bit | Memory Bus | 128 bit |
| 72.00 GB/s | Bandwidth | 80.19 GB/s |
Performance
| 12.40 GPixel/s | Pixel fillrate | 15.63 GPixel/s |
| 31.00 GTexel/s | Texture fillrate | 31.26 GTexel/s |
| 992.0 GFLOPS | FP32 (float) performance | 1,000 GFLOPS |
| 62.00 GFLOPS (1:16) | FP64 (double) performance | 31.26 GFLOPS (1:32) |
Clock Speeds
| 725 MHz | Base Clock | 756 MHz |
| 775 MHz | Boost Clock | 977 MHz |
| 1125 MHz 4.5 Gbps effective | Memory Clock | 1253 MHz 5 Gbps effective |
Render Config
| 640 | Shading Units | 512 |
| 40 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 64 KB (per SMM) |
| 256 KB | L2 Cache | 2 MB |
Board Design
| unknown | Thermal design power (TDP) | 30 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_1) | DirectX | 12 (11_0) |
| 4.6 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.1 |
| 5.1 | Shader Model | 5.1 |