NVIDIA GeForce GT 620M vs ATI Radeon HD 3830
What is the difference between NVIDIA GeForce GT 620M and ATI Radeon HD 3830. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GF108 | GPU Name | RV670 |
| N13P-GLP-A1 | Model number | RV670 PRO (215-0708003) |
| Fermi | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 40 nm | Process Size | 55 nm |
| 585 million | Transistors | 666 million |
| 116 mm² | Die Size | 192 mm² |
Graphics Card
| Aug 23rd, 2012 | Release Date | Apr 1st, 2008 |
| GeForce 600M | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| GeForce 500M | Predecessor | Radeon R500 PCIe |
| PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
| 1024 MB | Memory Size | 256 MB |
| DDR3 | Memory Type | GDDR3 |
| 128 bit | Memory Bus | 128 bit |
| 28.80 GB/s | Bandwidth | 26.50 GB/s |
Performance
| 2.640 GPixel/s | Pixel fillrate | 10.69 GPixel/s |
| 10.56 GTexel/s | Texture fillrate | 10.69 GTexel/s |
| 253.4 GFLOPS | FP32 (float) performance | 427.5 GFLOPS |
| 21.12 GFLOPS (1:12) | FP64 (double) performance | 85.50 GFLOPS (1:5) |
Clock Speeds
| 900 MHz 1800 Mbps effective | Memory Clock | 828 MHz 1656 Mbps effective |
| 660 MHz | GPU Clock | 668 MHz |
Render Config
| 96 | Shading Units | 320 |
| 16 | TMUs | 16 |
| 4 | ROPs | 16 |
| 256 KB | L2 Cache | 128 KB |
Board Design
| 15 W | Thermal design power (TDP) | 75 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 (11_0) | DirectX | 10.1 (10_1) |
| 4.6 | OpenGL | 3.3 (full) 4.0 (partial) |
| 1.1 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.1 | Shader Model | 4.1 |