ATI Mobility Radeon X1900 vs NVIDIA GeForce 310M
Graphics Processor
| GPU model | M68 | GT218 |
|---|---|---|
| Architecture | R500 | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 40 nm |
| Number of transistors | 384 million | 260 million |
| Die size | 230 mm² | 57 mm² |
| GPU variant | — | N11M-GE1 |
Mobile graphics
| Release date | Jan 11th, 2007 | Jan 10th, 2010 |
|---|---|---|
| Generation | M6x (Mobility X1) | GeForce 300M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 2 in our database | 2 in our database |
| Predecessor | M5x | GeForce 200M |
| Successor | M7x | GeForce 400M |
Clocks
| GPU clock | 400 MHz | 606 MHz |
|---|---|---|
| Memory clock | 480 MHz 960 Mbps effective | 667 MHz 1334 Mbps effective |
| Shader clock | — | 1530 MHz |
Memory Configuration
| Memory size | 256 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 30.72 GB/s | 10.67 GB/s |
Render Configuration
| Pixel shaders | 36 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 12 | 8 |
| ROPs | 12 | 4 |
| Shading units | — | 16 |
| SM count | — | 2 |
| Cache L2 | — | 32 KB |
Performance
| Pixel rate | 4.800 GPixel/s | 2.424 GPixel/s |
|---|---|---|
| Vertex rate | 800.0 MVertices/s | — |
| Texture rate | 4.800 GTexel/s | 4.848 GTexel/s |
| FP32 (float) performance | — | 48.96 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 14 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 9.0c (9_3) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.1 |
| CUDA | — | 1.2 |
