AMD Radeon HD 8870M vs NVIDIA Quadro K3000M
Graphics Processor
| GPU model | Venus | GK104 |
|---|---|---|
| GPU variant | Venus XT | N14E-Q1-A2 |
| Architecture | GCN 1.0 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 1,500 million | 3,540 million |
| Die size | 123 mm² | 294 mm² |
Mobile graphics
| Release date | Apr 1st, 2013 | Jun 1st, 2012 |
|---|---|---|
| Generation | Solar System (HD 8800M) | Quadro Mobile (Kx000M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Predecessor | London | — |
| Successor | Crystal System | — |
| Reviews | — | 26 in our database |
Clocks
| Base clock | 725 MHz | — |
|---|---|---|
| Boost clock | 775 MHz | — |
| Memory clock | 1125 MHz 4.5 Gbps effective | 700 MHz 2.8 Gbps effective |
| GPU clock | — | 654 MHz |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 72.00 GB/s | 89.60 GB/s |
Render Configuration
| Shading units | 640 | 576 |
|---|---|---|
| TMUs | 40 | 48 |
| ROPs | 16 | 32 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 512 KB |
| SMX count | — | 3 |
Performance
| Pixel rate | 12.40 GPixel/s | 7.848 GPixel/s |
|---|---|---|
| Texture rate | 31.00 GTexel/s | 31.39 GTexel/s |
| FP32 (float) performance | 992.0 GFLOPS | 753.4 GFLOPS |
| FP64 (double) performance | 62.00 GFLOPS (1:16) | 31.39 GFLOPS (1:24) |
Dimensions & Outputs
| TDP | unknown | 75 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | MXM Module |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 5.1 |
| CUDA | — | 3.0 |
