AMD Radeon HD 7640G IGP vs NVIDIA GeForce 8800M GTX
Graphics Processor
| GPU model | Devastator Lite | G92 |
|---|---|---|
| Architecture | TeraScale 3 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 32 nm | 65 nm |
| Number of transistors | 1,303 million | 754 million |
| Die size | 246 mm² | 324 mm² |
| GPU variant | — | NB8E-GTX-A2 |
Integrated Graphics
| Release date | May 15th, 2012 | — |
|---|---|---|
| Generation | Trinity (HD 7000 Mobile) | — |
| Production | End-of-life | — |
| Interface | IGP | — |
| Predecessor | Sumo | — |
| Successor | Richland | — |
Clocks
| Base clock | 496 MHz | — |
|---|---|---|
| Boost clock | 655 MHz | — |
| Memory clock | System Shared | 800 MHz 1600 Mbps effective |
| GPU clock | — | 500 MHz |
| Shader clock | — | 1250 MHz |
Memory Configuration
| Memory size | System Shared | 512 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 256 bit |
| Bandwidth | System Dependent | 51.20 GB/s |
Render Configuration
| Shading units | 256 | 96 |
|---|---|---|
| TMUs | 16 | 48 |
| ROPs | 8 | 16 |
| Compute units | 4 | — |
| SM count | — | 12 |
| Cache L2 | — | 64 KB |
Performance
| Pixel rate | 5.240 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Texture rate | 10.48 GTexel/s | 24.00 GTexel/s |
| FP32 (float) performance | 335.4 GFLOPS | 240.0 GFLOPS |
Dimensions & Outputs
| Slot width | IGP | MXM Module |
|---|---|---|
| TDP | 35 W | 65 W |
| Outputs | No outputs | No outputs |
| Power connectors | — | None |
| Board number | — | P398 |
API Support & Features
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
| CUDA | — | 1.1 |
Other Features
Mobile graphics
| Release date | — | Nov 1st, 2007 |
|---|---|---|
| Generation | — | GeForce 8M (8000M) |
| Production | — | End-of-life |
| Interface | — | MXM-HE |
| Predecessor | — | GeForce Go 7 |
| Successor | — | GeForce 9M |
