ATI Mobility Radeon HD 4570 vs ATI Radeon HD 3450
Graphics Processor
| GPU model | M92 | RV620 |
|---|---|---|
| Architecture | TeraScale | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 242 million | 181 million |
| Die size | 73 mm² | 67 mm² |
| GPU variant | — | RV620 LE |
Mobile graphics
| Release date | Jan 9th, 2009 | — |
|---|---|---|
| Generation | M9x (Mobility HD 4500) | — |
| Production | End-of-life | — |
| Interface | MXM-II | — |
| Reviews | 2 in our database | — |
| Predecessor | M8x | — |
| Successor | Manhattan | — |
Clocks
| GPU clock | 680 MHz | 600 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 500 MHz 1000 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 12.80 GB/s | 8.000 GB/s |
Render Configuration
| Shading units | 80 | 40 |
|---|---|---|
| TMUs | 8 | 4 |
| ROPs | 4 | 4 |
| Compute units | 1 | 2 |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 64 KB | 64 KB |
Performance
| Pixel rate | 2.720 GPixel/s | 2.400 GPixel/s |
|---|---|---|
| Texture rate | 5.440 GTexel/s | 2.400 GTexel/s |
| FP32 (float) performance | 108.8 GFLOPS | 48.00 GFLOPS |
Dimensions & Outputs
| Slot width | MXM Module | Single-slot |
|---|---|---|
| TDP | unknown | 25 W |
| Outputs | No outputs | 1x DVI1x VGA1x S-Video |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | B629 |
API Support & Features
| DirectX | 10.1 (10_1) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| Shader model | 4.1 | 4.1 |
Other Features
Graphics Card
| Release date | — | Dec 10th, 2007 |
|---|---|---|
| Generation | — | Radeon R600 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 7 in our database |
| Predecessor | — | Radeon R500 PCIe |
| Successor | — | Radeon R700 |
