ATI Radeon 3100 IGP vs NVIDIA GeForce 9400M
Graphics Processor
| GPU model | RS780 | C79 |
|---|---|---|
| GPU variant | RS780C | C79MX |
| Architecture | TeraScale | Tesla |
| Manufacturing process | 65 nm | 65 nm |
| Number of transistors | 180 million | 314 million |
| Die size | 85 mm² | 144 mm² |
Integrated Graphics
| Release date | Mar 4th, 2008 | Oct 15th, 2008 |
|---|---|---|
| Generation | Radeon IGP (3000) | GeForce 9M IGP (9000M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Predecessor | — | GeForce 8M IGP |
Clocks
| GPU clock | 350 MHz | 580 MHz |
|---|---|---|
| Memory clock | System Shared | System Shared |
| Shader clock | — | 1400 MHz |
Memory Configuration
| Memory size | System Shared | System Shared |
|---|---|---|
| Memory type | System Shared | System Shared |
| Memory bus width | System Shared | System Shared |
| Bandwidth | System Dependent | System Dependent |
Render Configuration
| Shading units | 40 | 16 |
|---|---|---|
| TMUs | 4 | 8 |
| ROPs | 4 | 4 |
| Compute units | 2 | — |
| SM count | — | 2 |
Performance
| Pixel rate | 1.400 GPixel/s | 2.320 GPixel/s |
|---|---|---|
| Texture rate | 1.400 GTexel/s | 4.640 GTexel/s |
| FP32 (float) performance | 28.00 GFLOPS | 44.80 GFLOPS |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | unknown | 12 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 10.0 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.0 | — |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
