ATI Mobility Radeon HD 4100 IGP vs ATI Radeon 3100 IGP
Graphics Processor
| GPU model | RS880 | RS780 |
|---|---|---|
| GPU variant | RS880M | RS780C |
| Architecture | TeraScale | TeraScale |
| Manufacturing process | 55 nm | 65 nm |
| Number of transistors | 181 million | 180 million |
| Die size | 67 mm² | 85 mm² |
Integrated Graphics
| Release date | Nov 1st, 2009 | Mar 4th, 2008 |
|---|---|---|
| Generation | Radeon IGP (Mobility HD 4000) | Radeon IGP (3000) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 1.0 x16 |
| Successor | Palm | — |
Clocks
| GPU clock | 400 MHz | 350 MHz |
|---|---|---|
| Memory clock | System Shared | System Shared |
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 | 40 |
|---|---|---|
| TMUs | 4 | 4 |
| ROPs | 4 | 4 |
| Compute units | 2 | 2 |
Performance
| Pixel rate | 1.600 GPixel/s | 1.400 GPixel/s |
|---|---|---|
| Texture rate | 1.600 GTexel/s | 1.400 GTexel/s |
| FP32 (float) performance | 32.00 GFLOPS | 28.00 GFLOPS |
Dimensions & Outputs
| Slot width | IGP | IGP |
|---|---|---|
| TDP | unknown | unknown |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
API Support & Features
| DirectX | 10.1 (10_1) | 10.0 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.0 | 1.0 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
