ATI Mobility Radeon X1600 vs ATI Radeon HD 3450 X2
Graphics Processor
| GPU model | M56 | RV620 |
|---|---|---|
| GPU variant | M56 X1600 (216PLAKB26FG) | RV620 LE |
| Architecture | R500 | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 55 nm |
| Number of transistors | 157 million | 181 million |
| Die size | 150 mm² | 67 mm² |
Mobile graphics
| Release date | Feb 1st, 2006 | — |
|---|---|---|
| Generation | M5x (Mobility X1) | — |
| Production | End-of-life | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M2x | — |
| Successor | M6x | — |
Clocks
| GPU clock | 450 MHz | 600 MHz |
|---|---|---|
| Memory clock | 470 MHz 940 Mbps effective | 500 MHz 1000 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 15.04 GB/s | 8.000 GB/s |
Render Configuration
| Pixel shaders | 12 | — |
|---|---|---|
| Vertex shaders | 5 | — |
| TMUs | 4 | 4 |
| ROPs | 4 | 4 |
| Shading units | — | 40 |
| Compute units | — | 2 |
| Cache L2 | — | 64 KB |
Performance
| Pixel rate | 1.800 GPixel/s | 2.400 GPixel/s |
|---|---|---|
| Vertex rate | 562.5 MVertices/s | — |
| Texture rate | 1.800 GTexel/s | 2.400 GTexel/s |
| FP32 (float) performance | — | 48.00 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 50 W |
|---|---|---|
| Outputs | No outputs | 2x DMS-59 |
| Slot width | — | Single-slot |
| Length | — | 168 mm 6.6 inches |
| Suggested PSU | — | 250 W |
| Power connectors | — | None |
| Board number | — | B629 |
API Support & Features
| DirectX | 9.0c (9_3) | 10.1 (10_1) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 3.0 | 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 |
