ATI Radeon HD 4890 vs NVIDIA GeForce GTX 650
What is the difference between ATI Radeon HD 4890 and NVIDIA GeForce GTX 650. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV790 | GPU Name | GK107 |
| RV790 XT (215-0758016) | Model number | GK107-450-A2 |
| TeraScale | Architecture | Kepler |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 959 million | Transistors | 1,270 million |
| 282 mm² | Die Size | 118 mm² |
Graphics Card
| Apr 2nd, 2009 | Release Date | Sep 6th, 2012 |
| Radeon R700 (HD 4800) | Family | GeForce 600 |
| End-of-life | Production | End-of-life |
| 249 USD | Launch Price | 109 USD |
| Radeon R600 | Predecessor | GeForce 500 |
| PCIe 2.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 1024 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 256 bit | Memory Bus | 128 bit |
| 124.8 GB/s | Bandwidth | 80.00 GB/s |
Performance
| 13.60 GPixel/s | Pixel fillrate | 8.464 GPixel/s |
| 34.00 GTexel/s | Texture fillrate | 33.86 GTexel/s |
| 1,360 GFLOPS | FP32 (float) performance | 812.5 GFLOPS |
| 272.0 GFLOPS (1:5) | FP64 (double) performance | 33.86 GFLOPS (1:24) |
Clock Speeds
| 975 MHz 3.9 Gbps effective | Memory Clock | 1250 MHz 5 Gbps effective |
| 850 MHz | GPU Clock | 1058 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 | 147 mm 5.8 inches |
| 190 W | Thermal design power (TDP) | 65 W |
| 450 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 2x DVI 1x mini-HDMI |
| 2x 6-pin | Power Connectors | 1x 6-pin |
| B790-31 | Board Number | P2010 |
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 |