NVIDIA GeForce GTX 275 vs AMD Radeon HD 6870
What is the difference between NVIDIA GeForce GTX 275 and AMD Radeon HD 6870. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GT200B | GPU Name | Barts |
| G200-105-B3 | Model number | Barts XT (215-0798000) |
| Tesla 2.0 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 40 nm |
| 1,400 million | Transistors | 1,700 million |
| 470 mm² | Die Size | 255 mm² |
Graphics Card
| Jan 15th, 2009 | Release Date | Oct 21st, 2010 |
| GeForce 200 | Family | Northern Islands (HD 6800) |
| End-of-life | Production | End-of-life |
| 249 USD | Launch Price | 239 USD |
| GeForce 9 | Predecessor | Evergreen |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 896 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 448 bit | Memory Bus | 256 bit |
| 127.0 GB/s | Bandwidth | 134.4 GB/s |
Performance
| 17.72 GPixel/s | Pixel fillrate | 28.80 GPixel/s |
| 50.64 GTexel/s | Texture fillrate | 50.40 GTexel/s |
| 673.9 GFLOPS | FP32 (float) performance | 2.016 TFLOPS |
Clock Speeds
| 1134 MHz 2.3 Gbps effective | Memory Clock | 1050 MHz 4.2 Gbps effective |
| 633 MHz | GPU Clock | 900 MHz |
Render Config
| 240 | Shading Units | 1120 |
| 80 | TMUs | 56 |
| 28 | ROPs | 32 |
| 224 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 247 mm 9.7 inches |
| 219 W | Thermal design power (TDP) | 151 W |
| 550 W | Suggested PSU | 450 W |
| 2x DVI | Display Connectors | 2x DVI 1x HDMI 2x mini-DisplayPort |
| 2x 6-pin | Power Connectors | 2x 6-pin |
| P897 | Board Number | C222 |
API support
| 11.1 (10_0) | DirectX | 11.2 (11_0) |
| 3.3 | OpenGL | 4.4 |
| 1.1 | OpenCL | 1.2 |
| N/A | Vulkan | N/A |
| 4.0 | Shader Model | 5.0 |