AMD Radeon HD 6870 vs NVIDIA GeForce GTX 570
Graphics Processor
| GPU model | Barts | GF110 |
|---|---|---|
| GPU variant | Barts XT (215-0798000) | GF110-275-A1 |
| Architecture | TeraScale 2 | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 1,700 million | 3,000 million |
| Die size | 255 mm² | 520 mm² |
Graphics Card
| Release date | Oct 21st, 2010 | Dec 7th, 2010 |
|---|---|---|
| Generation | Northern Islands | GeForce 500 |
| Production | End-of-life | End-of-life |
| Launch price | 239 USD | 349 USD |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Reviews | 170 in our database | 76 in our database |
| Predecessor | Evergreen | GeForce 400 |
| Successor | Southern Islands | GeForce 600 |
Clocks
| GPU clock | 900 MHz | 732 MHz |
|---|---|---|
| Memory clock | 1050 MHz 4.2 Gbps effective | 950 MHz 3.8 Gbps effective |
| Shader clock | — | 1464 MHz |
Memory Configuration
| Memory size | 1024 MB | 1280 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 320 bit |
| Bandwidth | 134.4 GB/s | 152.0 GB/s |
Render Configuration
| Shading units | 1120 | 480 |
|---|---|---|
| TMUs | 56 | 60 |
| ROPs | 32 | 40 |
| Compute units | 14 | — |
| Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 512 KB | 640 KB |
| SM count | — | 15 |
Performance
| Pixel rate | 28.80 GPixel/s | 21.96 GPixel/s |
|---|---|---|
| Texture rate | 50.40 GTexel/s | 43.92 GTexel/s |
| FP32 (float) performance | 2.016 TFLOPS | 1,405 GFLOPS |
| FP64 (double) performance | — | 175.7 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 247 mm 9.7 inches | 267 mm 10.5 inches |
| Width | 111 mm 4.4 inches | — |
| Height | 36 mm 1.4 inches | — |
| TDP | 151 W | 219 W |
| Suggested PSU | 450 W | 550 W |
| Outputs | 2x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x mini-HDMI |
| Power connectors | 2x 6-pin | 2x 6-pin |
| Board number | C222 | P1263 |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 2.0 |
