ATI Mobility Radeon HD 3470 vs ATI Mobility Radeon HD 4270 IGP
Graphics Processor
| GPU model | M82 | RS880 |
|---|---|---|
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | — |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 181 million | 181 million |
| Die size | 67 mm² | 67 mm² |
| GPU variant | — | RS880M |
Mobile graphics
| Release date | Jan 7th, 2008 | — |
|---|---|---|
| Generation | M8x (Mobility HD 3400) | — |
| Production | End-of-life | — |
| Interface | MXM-II | — |
| Reviews | 2 in our database | — |
| Predecessor | M7x | — |
| Successor | M9x | — |
Clocks
| GPU clock | 680 MHz | 590 MHz |
|---|---|---|
| Memory clock | 400 MHz 800 Mbps effective | System Shared |
Memory Configuration
| Memory size | 256 MB | System Shared |
|---|---|---|
| Memory type | DDR2 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 6.400 GB/s | System Dependent |
Render Configuration
| Shading units | 40 | 40 |
|---|---|---|
| TMUs | 4 | 4 |
| ROPs | 4 | 4 |
| Compute units | 2 | 2 |
| Cache L2 | 64 KB | — |
Performance
| Pixel rate | 2.720 GPixel/s | 2.360 GPixel/s |
|---|---|---|
| Texture rate | 2.720 GTexel/s | 2.360 GTexel/s |
| FP32 (float) performance | 54.40 GFLOPS | 47.20 GFLOPS |
Dimensions & Outputs
| Slot width | MXM Module | IGP |
|---|---|---|
| TDP | unknown | unknown |
| Outputs | No outputs | No outputs |
| Power connectors | — | None |
API Support & Features
| DirectX | 10.1 | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.0 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
Other Features
Integrated Graphics
| Release date | — | May 1st, 2010 |
|---|---|---|
| Generation | — | Radeon IGP (Mobility HD 4000) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Successor | — | Palm |
