NVIDIA Tesla C2050 vs NVIDIA Tesla D870
Graphics Processor
| GPU model | GF100 | G80 |
|---|---|---|
| GPU variant | GF100-850-A3 | — |
| Architecture | Fermi | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 90 nm |
| Number of transistors | 3,100 million | 681 million |
| Die size | 529 mm² | 484 mm² |
Graphics Card
| Release date | Jul 25th, 2011 | May 2nd, 2007 |
|---|---|---|
| Generation | Tesla | Tesla |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Launch price | — | 7,499 USD |
Clocks
| GPU clock | 574 MHz | 600 MHz |
|---|---|---|
| Shader clock | 1147 MHz | 1350 MHz |
| Memory clock | 750 MHz 3 Gbps effective | 800 MHz 1600 Mbps effective |
Memory Configuration
| Memory size | 3 GB | 1536 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR3 |
| Memory bus width | 384 bit | 384 bit |
| Bandwidth | 144.0 GB/s | 76.80 GB/s |
Render Configuration
| Shading units | 448 | 128 |
|---|---|---|
| TMUs | 56 | 32 |
| ROPs | 48 | 24 |
| SM count | 14 | 16 |
| Cache L1 | 64 KB (per SM) | — |
| Cache L2 | 768 KB | 96 KB |
Performance
| Pixel rate | 16.07 GPixel/s | 14.40 GPixel/s |
|---|---|---|
| Texture rate | 32.14 GTexel/s | 38.40 GTexel/s |
| FP32 (float) performance | 1,028 GFLOPS | 345.6 GFLOPS |
| FP64 (double) performance | 513.9 GFLOPS (1:2) | — |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 248 mm 9.8 inches | — |
| TDP | 238 W | 520 W |
| Suggested PSU | 550 W | 900 W |
| Outputs | 1x DVI | No outputs |
| Power connectors | 1x 6-pin + 1x 8-pin | — |
API Support & Features
| DirectX | 12 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.1 | 1.1 (1.0) |
| Vulkan | — | — |
| CUDA | 2.0 | 1.0 |
| Shader model | 5.1 | 4.0 |
