NVIDIA GeForce GTX 285 Mac Edition vs AMD Radeon HD 6850 1440SP Edition
What is the difference between NVIDIA GeForce GTX 285 Mac Edition and AMD Radeon HD 6850 1440SP Edition. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GT200B | GPU Name | Cypress |
| G200-350-B3 | Model number | Cypress PRO (215-0735043) |
| Tesla 2.0 | Architecture | TeraScale 2 |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 40 nm |
| 1,400 million | Transistors | 2,154 million |
| 470 mm² | Die Size | 334 mm² |
Graphics Card
| Jan 15th, 2009 | Release Date | Aug 21st, 2012 |
| GeForce 200 | Family | Northern Islands (HD 6800) |
| End-of-life | Production | End-of-life |
| GeForce 9 | Predecessor | Evergreen |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR3 | Memory Type | GDDR5 |
| 512 bit | Memory Bus | 256 bit |
| 159.0 GB/s | Bandwidth | 128.0 GB/s |
Performance
| 20.74 GPixel/s | Pixel fillrate | 23.20 GPixel/s |
| 51.84 GTexel/s | Texture fillrate | 52.20 GTexel/s |
| 708.5 GFLOPS | FP32 (float) performance | 2.088 TFLOPS |
| 88.56 GFLOPS (1:8) | FP64 (double) performance | 417.6 GFLOPS (1:5) |
Clock Speeds
| 1242 MHz 2.5 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 648 MHz | GPU Clock | 725 MHz |
Render Config
| 240 | Shading Units | 1440 |
| 80 | TMUs | 72 |
| 32 | ROPs | 32 |
| 256 KB | L2 Cache | 512 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 267 mm 10.5 inches | Length | 241 mm 9.5 inches |
| 204 W | Thermal design power (TDP) | 151 W |
| 550 W | Suggested PSU | 450 W |
| 2x DVI 1x S-Video | Display Connectors | 2x DVI 1x HDMI 1x DisplayPort |
| 2x 6-pin | Power Connectors | 2x 6-pin |
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 |