ATI Radeon HD 4870 vs NVIDIA Quadro K2000
What is the difference between ATI Radeon HD 4870 and NVIDIA Quadro K2000. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV770 | GPU Name | GK107 |
| RV770 XT (215-0669049) | Model number | GK107-301-A2 |
| TeraScale | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 956 million | Transistors | 1,270 million |
| 256 mm² | Die Size | 118 mm² |
Graphics Card
| Jun 25th, 2008 | Release Date | Mar 1st, 2013 |
| Radeon R700 (HD 4800) | Family | Quadro (Kx000) |
| End-of-life | Production | End-of-life |
| 299 USD | Launch Price | 599 USD |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 512 MB | Memory Size | 2 GB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 115.2 GB/s | Bandwidth | 64.00 GB/s |
Performance
| 12.00 GPixel/s | Pixel fillrate | 7.632 GPixel/s |
| 30.00 GTexel/s | Texture fillrate | 30.53 GTexel/s |
| 1,200 GFLOPS | FP32 (float) performance | 732.7 GFLOPS |
| 240.0 GFLOPS (1:5) | FP64 (double) performance | 30.53 GFLOPS (1:24) |
Clock Speeds
| 900 MHz 3.6 Gbps effective | Memory Clock | 1000 MHz 4 Gbps effective |
| 750 MHz | GPU Clock | 954 MHz |
Render Config
| 800 | Shading Units | 384 |
| 40 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 16 KB (per SMX) |
| 256 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 241 mm 9.5 inches | Length | 202 mm 8 inches |
| 111 mm 4.4 inches | Width | 111 mm 4.4 inches |
| 150 W | Thermal design power (TDP) | 51 W |
| 450 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 1x DVI 2x DisplayPort |
| 2x 6-pin | Power Connectors | None |
| B507-31 | Board Number | P2095 |
API support
| 10.1 (10_1) | DirectX | 12 (11_0) |
| 3.3 | OpenGL | 4.6 |
| 1.1 | OpenCL | 3.0 |
| N/A | Vulkan | 1.1 |
| 4.1 | Shader Model | 5.1 |