AMD Radeon HD 6870 X2 vs NVIDIA Tesla P100 PCIe 12 GB
Graphics Processor
| GPU model | Barts | GP100 |
|---|---|---|
| GPU variant | Barts XT (215-0798000) | — |
| Architecture | TeraScale 2 | Pascal |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 16 nm |
| Number of transistors | 1,700 million | 15,300 million |
| Die size | 255 mm² | 610 mm² |
Graphics Card
| Release date | Jul 8th, 2011 | Jun 20th, 2016 |
|---|---|---|
| Generation | Northern Islands | Tesla |
| Production | End-of-life | End-of-life |
| Launch price | 520 USD | 4,599 USD |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Reviews | 170 in our database | — |
| Predecessor | Evergreen | — |
| Successor | Southern Islands | — |
Clocks
| GPU clock | 900 MHz | — |
|---|---|---|
| Memory clock | 1050 MHz 4.2 Gbps effective | 715 MHz 1430 Mbps effective |
| Base clock | — | 1190 MHz |
| Boost clock | — | 1329 MHz |
Memory Configuration
| Memory size | 1024 MB | 12 GB |
|---|---|---|
| Memory type | GDDR5 | HBM2 |
| Memory bus width | 256 bit | 3072 bit |
| Bandwidth | 134.4 GB/s | 549.1 GB/s |
Render Configuration
| Shading units | 1120 | 3584 |
|---|---|---|
| TMUs | 56 | 224 |
| ROPs | 32 | 96 |
| Compute units | 14 | — |
| Cache L1 | 8 KB (per CU) | 24 KB (per SM) |
| Cache L2 | 512 KB | 3 MB |
| SM count | — | 56 |
Performance
| Pixel rate | 28.80 GPixel/s | 127.6 GPixel/s |
|---|---|---|
| Texture rate | 50.40 GTexel/s | 297.7 GTexel/s |
| FP32 (float) performance | 2.016 TFLOPS | 9.526 TFLOPS |
| FP16 (half) performance | — | 19.05 TFLOPS (2:1) |
| FP64 (double) performance | — | 4.763 TFLOPS (1:2) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 304 mm 12 inches | 267 mm 10.5 inches |
| TDP | 300 W | 250 W |
| Suggested PSU | 700 W | 600 W |
| Outputs | 2x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Power connectors | — | 1x 8-pin |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.2 |
| Shader model | 5.0 | 6.4 |
| CUDA | — | 6.0 |
