NVIDIA GeForce GTX 480M vs ATI Radeon HD 4830
What is the difference between NVIDIA GeForce GTX 480M and ATI Radeon HD 4830. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF100 | GPU Name | RV770 |
| N11E-GTX-A3 | Model number | RV770 LE (215-0669075) |
| Fermi | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 55 nm |
| 3,100 million | Transistors | 956 million |
| 529 mm² | Die Size | 256 mm² |
Graphics Card
| May 25th, 2010 | Release Date | Oct 21st, 2008 |
| GeForce 400M | Family | Radeon R700 (HD 4800) |
| End-of-life | Production | End-of-life |
| GeForce 300M | Predecessor | Radeon R600 |
| MXM-B (3.0) | Bus Interface | PCIe 2.0 x16 |
Memory
| 2 GB | Memory Size | 512 MB |
| GDDR5 | Memory Type | GDDR3 |
| 256 bit | Memory Bus | 256 bit |
| 76.80 GB/s | Bandwidth | 57.60 GB/s |
Performance
| 9.350 GPixel/s | Pixel fillrate | 9.200 GPixel/s |
| 18.70 GTexel/s | Texture fillrate | 18.40 GTexel/s |
| 598.4 GFLOPS | FP32 (float) performance | 736.0 GFLOPS |
| 74.80 GFLOPS (1:8) | FP64 (double) performance | 147.2 GFLOPS (1:5) |
Clock Speeds
| 600 MHz 2.4 Gbps effective | Memory Clock | 900 MHz 1800 Mbps effective |
| 425 MHz | GPU Clock | 575 MHz |
Render Config
| 352 | Shading Units | 640 |
| 44 | TMUs | 32 |
| 32 | ROPs | 16 |
| 64 KB (per SM) | L1 Cache | 16 KB (per CU) |
| 512 KB | L2 Cache | 256 KB |
Board Design
| MXM Module | Slot Width | Single-slot |
| 100 W | Thermal design power (TDP) | 95 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
| None | Power Connectors | 1x 6-pin |
| P1028 | Board Number | B501-31 |
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 |