AMD Radeon HD 7870 XT vs NVIDIA Quadro P1000
Graphics Processor
| GPU model | Tahiti | GP107 |
|---|---|---|
| GPU variant | Tahiti LE (215-0821122) | GP107-860-A1 |
| Architecture | GCN 1.0 | Pascal |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 4,313 million | 3,300 million |
| Die size | 352 mm² | 132 mm² |
Graphics Card
| Release date | Nov 19th, 2012 | Feb 7th, 2017 |
|---|---|---|
| Generation | Southern Islands | Quadro |
| Production | End-of-life | End-of-life |
| Launch price | 270 USD | — |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 95 in our database | — |
| Predecessor | Northern Islands | — |
| Successor | Sea Islands | — |
Clocks
| Base clock | 925 MHz | 1354 MHz |
|---|---|---|
| Boost clock | 975 MHz | 1392 MHz |
| Memory clock | 1500 MHz 6 Gbps effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 192.0 GB/s | 96.13 GB/s |
Render Configuration
| Shading units | 1536 | 512 |
|---|---|---|
| TMUs | 96 | 32 |
| ROPs | 32 | 16 |
| Compute units | 24 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
| Cache L2 | 512 KB | 1024 KB |
| SM count | — | 4 |
Performance
| Pixel rate | 31.20 GPixel/s | 22.27 GPixel/s |
|---|---|---|
| Texture rate | 93.60 GTexel/s | 44.54 GTexel/s |
| FP32 (float) performance | 2.995 TFLOPS | 1,425 GFLOPS |
| FP64 (double) performance | 748.8 GFLOPS (1:4) | 44.54 GFLOPS (1:32) |
| FP16 (half) performance | — | 22.27 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 150 mm 5.9 inches |
| TDP | 185 W | 47 W |
| Suggested PSU | 450 W | 200 W |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 4x mini-DisplayPort |
| Power connectors | 2x 6-pin | None |
| Board number | C474 | PG212 SKU 502 |
| Width | — | 69 mm 2.7 inches |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
| CUDA | — | 6.1 |
