Intel Aubrey Isle vs NVIDIA Tesla C870
What is the difference between Intel Aubrey Isle and NVIDIA Tesla C870. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Knights Ferry | GPU Name | G80 |
| Knights | Architecture | Tesla |
| Intel | Foundry | TSMC |
| 45 nm | Process Size | 90 nm |
| 2,300 million | Transistors | 681 million |
| 684 mm² | Die Size | 484 mm² |
Graphics Card
| May 31st, 2010 | Release Date | May 2nd, 2007 |
| Knights Ferry | Family | Tesla (x8xx) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | PCIe 1.0 x16 |
Memory
| 2 GB | Memory Size | 1536 MB |
| GDDR5 | Memory Type | GDDR3 |
| 512 bit | Memory Bus | 384 bit |
| 307.2 GB/s | Bandwidth | 76.80 GB/s |
Performance
| 4.800 GPixel/s | Pixel fillrate | 14.40 GPixel/s |
| 38.40 GTexel/s | Texture fillrate | 38.40 GTexel/s |
| 614.4 GFLOPS | FP32 (float) performance | 345.6 GFLOPS |
Clock Speeds
| 1200 MHz 4.8 Gbps effective | Memory Clock | 800 MHz 1600 Mbps effective |
| 1200 MHz | GPU Clock | 600 MHz |
Render Config
| 256 | Shading Units | 128 |
| 32 | TMUs | 32 |
| 4 | ROPs | 24 |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 300 W | Thermal design power (TDP) | 171 W |
| 700 W | Suggested PSU | 450 W |
| 1x DVI 1x HDMI 1x DisplayPort | Display Connectors | No outputs |
| 1x 6-pin + 1x 8-pin | Power Connectors | 2x 6-pin |
API support
| 11.1 | DirectX | 11.1 (10_0) |
| 4.3 | OpenGL | 3.3 |
| 1.2 | OpenCL | 1.1 (1.0) |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 4.0 |