ATI Mobility Radeon HD 4250 IGP vs NVIDIA GeForce 8400M G
Graphics Processor
| GPU model | RS880 | G86 |
|---|---|---|
| GPU variant | RS880M | NB8M-SE |
| Architecture | TeraScale | Tesla |
| Manufacturing process | 55 nm | 80 nm |
| Number of transistors | 181 million | 210 million |
| Die size | 67 mm² | 127 mm² |
| Foundry | — | TSMC |
Integrated Graphics
| Release date | May 1st, 2010 | — |
|---|---|---|
| Generation | Radeon IGP (Mobility HD 4000) | — |
| Production | End-of-life | — |
| Interface | PCI | — |
| Successor | Palm | — |
Clocks
| Base clock | 500 MHz | — |
|---|---|---|
| Boost clock | 560 MHz | — |
| Memory clock | System Shared | 400 MHz 800 Mbps effective |
| GPU clock | — | 400 MHz |
| Shader clock | — | 800 MHz |
Memory Configuration
| Memory size | System Shared | 256 MB |
|---|---|---|
| Memory type | System Shared | GDDR3 |
| Memory bus width | System Shared | 64 bit |
| Bandwidth | System Dependent | 6.400 GB/s |
Render Configuration
| Shading units | 40 | 8 |
|---|---|---|
| TMUs | 4 | 8 |
| ROPs | 4 | 4 |
| Compute units | 2 | — |
| SM count | — | 1 |
| Cache L2 | — | 16 KB |
Performance
| Pixel rate | 2.240 GPixel/s | 1.600 GPixel/s |
|---|---|---|
| Texture rate | 2.240 GTexel/s | 3.200 GTexel/s |
| FP32 (float) performance | 44.80 GFLOPS | 12.80 GFLOPS |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | unknown | 10 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
API Support & Features
| DirectX | 10.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.0 | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
| CUDA | — | 1.1 |
Other Features
Mobile graphics
| Release date | — | May 9th, 2007 |
|---|---|---|
| Generation | — | GeForce 8M (8000M) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Predecessor | — | GeForce Go 7 |
| Successor | — | GeForce 9M |
