NVIDIA GeForce GTX 480 Core 512 vs ATI Radeon HD 4890
What is the difference between NVIDIA GeForce GTX 480 Core 512 and ATI Radeon HD 4890. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF100 | GPU Name | RV790 |
| GF100-ES-DT1-A2 | Model number | RV790 XT (215-0758016) |
| Fermi | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 55 nm |
| 3,100 million | Transistors | 959 million |
| 529 mm² | Die Size | 282 mm² |
Graphics Card
| Never Released | Release Date | Apr 2nd, 2009 |
| GeForce 400 | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| GeForce 200 | Predecessor | Radeon R600 |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1536 MB | Memory Size | 1024 MB |
| GDDR5 | Memory Type | GDDR5 |
| 384 bit | Memory Bus | 256 bit |
| 134.4 GB/s | Bandwidth | 124.8 GB/s |
Performance
| 16.86 GPixel/s | Pixel fillrate | 13.60 GPixel/s |
| 33.73 GTexel/s | Texture fillrate | 34.00 GTexel/s |
| 1,078 GFLOPS | FP32 (float) performance | 1,360 GFLOPS |
Clock Speeds
| 700 MHz 2.8 Gbps effective | Memory Clock | 975 MHz 3.9 Gbps effective |
| 527 MHz | GPU Clock | 850 MHz |
Render Config
| 512 | Shading Units | 800 |
| 64 | TMUs | 40 |
| 48 | ROPs | 16 |
| 64 KB (per SM) | L1 Cache | 16 KB (per CU) |
| 768 KB | L2 Cache | 256 KB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 292 mm 11.5 inches | Length | 241 mm 9.5 inches |
| 375 W | Thermal design power (TDP) | 190 W |
| 750 W | Suggested PSU | 450 W |
| 2x DVI 1x mini-HDMI | Display Connectors | 2x DVI 1x S-Video |
| 2x 8-pin | Power Connectors | 2x 6-pin |
| P1022 | Board Number | B790-31 |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 |
| 1.1 | OpenCL | 1.1 |
| N/A | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |