ATI Mobility Radeon HD 2400 XT Mac Edition vs NVIDIA GeForce 8400M GS
Graphics Processor
| GPU model | M74 | G86 |
|---|---|---|
| GPU variant | M74-M | NB8M-GS |
| Architecture | TeraScale | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 80 nm |
| Number of transistors | 180 million | 210 million |
| Die size | 82 mm² | 127 mm² |
Mobile graphics
| Release date | Jun 28th, 2007 | May 9th, 2007 |
|---|---|---|
| Generation | M7x (Mobility HD 2000) | GeForce 8M (8000M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | MXM-I |
| Reviews | 2 in our database | — |
| Predecessor | M6x | GeForce Go 7 |
| Successor | M8x | GeForce 9M |
Clocks
| GPU clock | 650 MHz | 400 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 400 MHz 800 Mbps effective |
| Shader clock | — | 800 MHz |
Memory Configuration
| Memory size | 128 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | DDR2 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 12.80 GB/s | 6.400 GB/s |
Render Configuration
| Shading units | 40 | 16 |
|---|---|---|
| TMUs | 4 | 8 |
| ROPs | 4 | 4 |
| Compute units | 2 | — |
| Cache L2 | 32 KB | 16 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 2.600 GPixel/s | 1.600 GPixel/s |
|---|---|---|
| Texture rate | 2.600 GTexel/s | 3.200 GTexel/s |
| FP32 (float) performance | 52.00 GFLOPS | 25.60 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 11 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | MXM Module |
API Support & Features
| DirectX | 10.0 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.0 | 4.0 |
| CUDA | — | 1.1 |
