AMD Radeon HD 8870M vs NVIDIA Quadro P400
Graphics Processor
| GPU model | Venus | GP107 |
|---|---|---|
| GPU variant | Venus XT | — |
| Architecture | GCN 1.0 | Pascal |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 1,500 million | 3,300 million |
| Die size | 123 mm² | 132 mm² |
Mobile graphics
| Release date | Apr 1st, 2013 | — |
|---|---|---|
| Generation | Solar System (HD 8800M) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Predecessor | London | — |
| Successor | Crystal System | — |
Clocks
| Base clock | 725 MHz | 1228 MHz |
|---|---|---|
| Boost clock | 775 MHz | 1252 MHz |
| Memory clock | 1125 MHz 4.5 Gbps effective | 1002 MHz 4 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 72.00 GB/s | 32.06 GB/s |
Render Configuration
| Shading units | 640 | 256 |
|---|---|---|
| TMUs | 40 | 16 |
| ROPs | 16 | 16 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
| Cache L2 | 256 KB | 512 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 12.40 GPixel/s | 20.03 GPixel/s |
|---|---|---|
| Texture rate | 31.00 GTexel/s | 20.03 GTexel/s |
| FP32 (float) performance | 992.0 GFLOPS | 641.0 GFLOPS |
| FP64 (double) performance | 62.00 GFLOPS (1:16) | 20.03 GFLOPS (1:32) |
| FP16 (half) performance | — | 10.02 GFLOPS (1:64) |
Dimensions & Outputs
| TDP | unknown | 30 W |
|---|---|---|
| Outputs | No outputs | 3x mini-DisplayPort |
| Slot width | — | Single-slot |
| Length | — | 150 mm 5.9 inches |
| Width | — | 69 mm 2.7 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | PG212 SKU 500 |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
| CUDA | — | 6.1 |
Other Features
Graphics Card
| Release date | — | Feb 7th, 2017 |
|---|---|---|
| Generation | — | Quadro |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
