Matrox Parhelia 256 MB vs NVIDIA Jetson TK1 GPU
Graphics Processor
| GPU model | Parhelia-512 | GK20A |
|---|---|---|
| GPU variant | PHF-D2 | — |
| Architecture | Parhelia | Kepler 2.0 |
| Foundry | UMC | TSMC |
| Manufacturing process | 150 nm | 28 nm |
| Number of transistors | 80 million | unknown |
| Die size | 174 mm² | unknown |
Graphics Card
| Release date | Mar 30th, 2004 | — |
|---|---|---|
| Generation | Parhelia | — |
| Production | End-of-life | — |
| Interface | AGP 8x | — |
| Reviews | 5 in our database | — |
Clocks
| GPU clock | 250 MHz | — |
|---|---|---|
| Memory clock | 325 MHz 650 Mbps effective | System Shared |
| Base clock | — | 756 MHz |
| Boost clock | — | 951 MHz |
Memory Configuration
| Memory size | 256 MB | System Shared |
|---|---|---|
| Memory type | DDR | System Shared |
| Memory bus width | 256 bit | System Shared |
| Bandwidth | 20.80 GB/s | System Dependent |
Render Configuration
| Pixel shaders | 4 | — |
|---|---|---|
| Vertex shaders | 4 | — |
| TMUs | 16 | 8 |
| ROPs | 4 | 4 |
| Shading units | — | 192 |
| SMX count | — | 1 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 128 KB |
Performance
| Pixel rate | 1.000 GPixel/s | 3.804 GPixel/s |
|---|---|---|
| Vertex rate | 250.0 MVertices/s | — |
| Texture rate | 4.000 GTexel/s | 7.608 GTexel/s |
| FP32 (float) performance | — | 365.2 GFLOPS |
| FP64 (double) performance | — | 11.41 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| Length | 175 mm 6.9 inches | — |
| TDP | unknown | 8 W |
| Suggested PSU | 200 W | — |
| Outputs | 2x DVI | No outputs |
| Power connectors | None | — |
| Board number | PH-A8X256 | — |
API Support & Features
| DirectX | 8.1 | 12 (11_0) |
|---|---|---|
| OpenGL | 1.3 | ES 3.1 |
| OpenCL | — | — |
| Vulkan | — | 1.1 |
| Pixel shader | 1.3 | — |
| Vertex shader | 2.0 | — |
| CUDA | — | 3.2 |
| Shader model | — | 5.1 |
Other Features
Integrated Graphics
| Release date | — | Oct 15th, 2014 |
|---|---|---|
| Generation | — | Tegra |
| Production | — | End-of-life |
| Interface | — | IGP |
