AMD Radeon HD 6850 1440SP Edition vs NVIDIA Quadro K4000
What is the difference between AMD Radeon HD 6850 1440SP Edition and NVIDIA Quadro K4000. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Cypress | GPU Name | GK106 |
| TeraScale 2 | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 28 nm |
| 2,154 million | Transistors | 2,540 million |
| 334 mm² | Die Size | 221 mm² |
Graphics Card
| Aug 21st, 2012 | Release Date | Mar 1st, 2013 |
| Northern Islands (HD 6800) | Family | Quadro (Kx000) |
| End-of-life | Production | End-of-life |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 3 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 192 bit |
| 128.0 GB/s | Bandwidth | 134.8 GB/s |
Performance
| 23.20 GPixel/s | Pixel fillrate | 12.96 GPixel/s |
| 52.20 GTexel/s | Texture fillrate | 51.84 GTexel/s |
| 2.088 TFLOPS | FP32 (float) performance | 1,244 GFLOPS |
| 417.6 GFLOPS (1:5) | FP64 (double) performance | 51.84 GFLOPS (1:24) |
Clock Speeds
| 1000 MHz 4 Gbps effective | Memory Clock | 1404 MHz 5.6 Gbps effective |
| 725 MHz | GPU Clock | 810 MHz |
Render Config
| 1440 | Shading Units | 768 |
| 72 | TMUs | 64 |
| 32 | ROPs | 24 |
| 8 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 512 KB | L2 Cache | 384 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 241 mm 9.5 inches | Length | 241 mm 9.5 inches |
| 151 W | Thermal design power (TDP) | 80 W |
| 450 W | Suggested PSU | 250 W |
| 2x DVI 1x HDMI 1x DisplayPort | Display Connectors | 1x DVI 2x DisplayPort |
| 2x 6-pin | Power Connectors | 1x 6-pin |
| E174 | Board Number | P2030 |
API support
| 11.2 (11_0) | DirectX | 12 (11_0) |
| 4.4 | OpenGL | 4.6 |
| 1.2 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 5.0 | Shader Model | 5.1 |