ATI Radeon HD 4890 vs NVIDIA GeForce GTX 750
What is the difference between ATI Radeon HD 4890 and NVIDIA GeForce GTX 750. Find out which graphics card has better performance.
Graphics Processor (GPU)
| RV790 | GPU Name | GM107 |
| RV790 XT (215-0758016) | Model number | GM107-300-A2 |
| TeraScale | Architecture | Maxwell |
| TSMC | Foundry | TSMC |
| 55 nm | Process Size | 28 nm |
| 959 million | Transistors | 1,870 million |
| 282 mm² | Die Size | 148 mm² |
Graphics Card
| Apr 2nd, 2009 | Release Date | Feb 18th, 2014 |
| Radeon R700 (HD 4800) | Family | GeForce 700 |
| End-of-life | Production | End-of-life |
| 249 USD | Launch Price | 119 USD |
| Radeon R600 | Predecessor | GeForce 600 |
| 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 | 80.19 GB/s |
Performance
| 13.60 GPixel/s | Pixel fillrate | 17.36 GPixel/s |
| 34.00 GTexel/s | Texture fillrate | 34.72 GTexel/s |
| 1,360 GFLOPS | FP32 (float) performance | 1,111 GFLOPS |
| 272.0 GFLOPS (1:5) | FP64 (double) performance | 34.72 GFLOPS (1:32) |
Clock Speeds
| 975 MHz 3.9 Gbps effective | Memory Clock | 1253 MHz 5 Gbps effective |
Render Config
| 800 | Shading Units | 512 |
| 40 | TMUs | 32 |
| 16 | ROPs | 16 |
| 16 KB (per CU) | L1 Cache | 64 KB (per SMM) |
| 256 KB | L2 Cache | 2 MB |
Board Design
| Dual-slot | Slot Width | Single-slot |
| 241 mm 9.5 inches | Length | 145 mm 5.7 inches |
| 190 W | Thermal design power (TDP) | 55 W |
| 450 W | Suggested PSU | 250 W |
| 2x DVI 1x S-Video | Display Connectors | 2x DVI 1x mini-HDMI |
| 2x 6-pin | Power Connectors | None |
| 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 |