ATI Mobility Radeon HD 3650 vs ATI Radeon X1900 CrossFire Edition
Graphics Processor
| GPU model | M86 | R580 |
|---|---|---|
| Architecture | TeraScale | R500 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 90 nm |
| Number of transistors | 378 million | 384 million |
| Die size | 135 mm² | 352 mm² |
| GPU variant | — | R580 CF |
Mobile graphics
| Release date | Jan 7th, 2008 | — |
|---|---|---|
| Generation | M8x (Mobility HD 3600) | — |
| Production | End-of-life | — |
| Interface | MXM-II | — |
| Reviews | 2 in our database | — |
| Predecessor | M7x | — |
| Successor | M9x | — |
Clocks
| GPU clock | 500 MHz | 625 MHz |
|---|---|---|
| Memory clock | 700 MHz 1400 Mbps effective | 725 MHz 1450 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 22.40 GB/s | 46.40 GB/s |
Render Configuration
| Shading units | 120 | — |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 16 |
| Compute units | 3 | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 48 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 2.000 GPixel/s | 10.00 GPixel/s |
|---|---|---|
| Texture rate | 4.000 GTexel/s | 10.00 GTexel/s |
| FP32 (float) performance | 120.0 GFLOPS | — |
| Vertex rate | — | 1.250 GVertices/s |
Dimensions & Outputs
| Slot width | MXM Module | Dual-slot |
|---|---|---|
| TDP | unknown | 100 W |
| Outputs | No outputs | 2x DVI1x S-Video |
| Suggested PSU | — | 300 W |
| Power connectors | — | 1x 6-pin |
| Board number | — | A721 |
API Support & Features
| DirectX | 10.1 (10_1) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 3.3 | 2.1 (full) 3.0 (partial) |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | 3.0 |
Other Features
Graphics Card
| Release date | — | Jan 24th, 2006 |
|---|---|---|
| Generation | — | Radeon R500 PCIe |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 115 in our database |
| Predecessor | — | Radeon R400 PCIe |
| Successor | — | Radeon R600 |
