NVIDIA NVS 1000 vs ATI Radeon HD 3870 Mac Edition
What is the difference between NVIDIA NVS 1000 and ATI Radeon HD 3870 Mac Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GK107 | GPU Name | RV670 |
| Kepler | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 28 nm | Process Size | 55 nm |
| 1,270 million | Transistors | 666 million |
| 118 mm² | Die Size | 192 mm² |
Graphics Card
| Never Released | Release Date | Jun 12th, 2008 |
| NVS | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| PCIe 3.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 512 MB |
| DDR3 | Memory Type | GDDR4 |
| 128 bit | Memory Bus | 256 bit |
| 28.51 GB/s | Bandwidth | 72.06 GB/s |
Performance
| 3.188 GPixel/s | Pixel fillrate | 12.43 GPixel/s |
| 12.75 GTexel/s | Texture fillrate | 12.43 GTexel/s |
| 306.0 GFLOPS | FP32 (float) performance | 497.3 GFLOPS |
| 12.75 GFLOPS (1:24) | FP64 (double) performance | 99.46 GFLOPS (1:5) |
Clock Speeds
| 891 MHz 1782 Mbps effective | Memory Clock | 1126 MHz 2.3 Gbps effective |
| 797 MHz | GPU Clock | 777 MHz |
Render Config
| 192 | Shading Units | 320 |
| 16 | TMUs | 16 |
| 16 | ROPs | 16 |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Single-slot | Slot Width | Single-slot |
| 160 mm 6.3 inches | Length | 241 mm 9.5 inches |
| 35 W | Thermal design power (TDP) | 106 W |
| 200 W | Suggested PSU | 300 W |
| 4x mini-DisplayPort | Display Connectors | 2x DVI 1x S-Video |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 (full) 4.0 (partial) |
| 3.0 | OpenCL | N/A |
| 1.1 | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |