AMD Radeon HD 7640G IGP vs ATI Radeon HD 3850 AGP
What is the difference between AMD Radeon HD 7640G IGP and ATI Radeon HD 3850 AGP. 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 | Jan 3rd, 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 | AGP 8x |
Memory
| System Shared | Memory Size | 512 MB |
| System Shared | Memory Type | GDDR3 |
| System Shared | Memory Bus | 256 bit |
| System Dependent | Bandwidth | 52.99 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 | Single-slot |
| 35 W | Thermal design power (TDP) | 75 W |
| No outputs | Display Connectors | 2x DVI 1x S-Video |
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 |