AMD Radeon HD 7640G IGP vs ATI Radeon HD 3830
What is the difference between AMD Radeon HD 7640G IGP and ATI Radeon HD 3830. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Devastator Lite | GPU Name | RV670 |
| TeraScale 3 | Architecture | TeraScale |
| TSMC | Foundry | TSMC |
| 32 nm | Process Size | 55 nm |
| 1,303 million | Transistors | 666 million |
| 246 mm² | Die Size | 192 mm² |
Graphics Card
| May 15th, 2012 | Release Date | Apr 1st, 2008 |
| Trinity (HD 7000 Mobile) | Family | Radeon R600 (HD 3800) |
| End-of-life | Production | End-of-life |
| Sumo | Predecessor | Radeon R500 PCIe |
| IGP | Bus Interface | PCIe 2.0 x16 |
Memory
| System Shared | Memory Size | 256 MB |
| System Shared | Memory Type | GDDR3 |
| System Shared | Memory Bus | 128 bit |
| System Dependent | Bandwidth | 26.50 GB/s |
Performance
| 5.240 GPixel/s | Pixel fillrate | 10.69 GPixel/s |
| 10.48 GTexel/s | Texture fillrate | 10.69 GTexel/s |
| 335.4 GFLOPS | FP32 (float) performance | 427.5 GFLOPS |
Clock Speeds
| System Shared | Memory Clock | 828 MHz 1656 Mbps effective |
Render Config
| 256 | Shading Units | 320 |
| 16 | TMUs | 16 |
| 8 | ROPs | 16 |
| 4 | Compute Units | 4 |
Board Design
| IGP | Slot Width | Dual-slot |
| 35 W | Thermal design power (TDP) | 75 W |
| No outputs | Display Connectors | No outputs |
API support
| 11.2 (11_0) | DirectX | 10.1 (10_1) |
| 4.4 | OpenGL | 3.3 (full) 4.0 (partial) |
| 1.2 | OpenCL | N/A |
| N/A | Vulkan | N/A |
| 5.0 | Shader Model | 4.1 |