NVIDIA GeForce 8400M G vs NVIDIA GeForce GT 320M
Graphics Processor
| GPU model | G86 | G96C |
|---|---|---|
| GPU variant | NB8M-SE | N10P-GV2 |
| Architecture | Tesla | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 55 nm |
| Number of transistors | 210 million | 314 million |
| Die size | 127 mm² | 121 mm² |
Mobile graphics
| Release date | May 9th, 2007 | Jun 15th, 2009 |
|---|---|---|
| Generation | GeForce 8M (8000M) | GeForce 300M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | MXM-II |
| Predecessor | GeForce Go 7 | GeForce 200M |
| Successor | GeForce 9M | GeForce 400M |
| Reviews | — | 2 in our database |
Clocks
| GPU clock | 400 MHz | 500 MHz |
|---|---|---|
| Shader clock | 800 MHz | 1250 MHz |
| Memory clock | 400 MHz 800 Mbps effective | 800 MHz 1600 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 6.400 GB/s | 25.60 GB/s |
Render Configuration
| Shading units | 8 | 32 |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 8 |
| SM count | 1 | 4 |
| Cache L2 | 16 KB | 32 KB |
Performance
| Pixel rate | 1.600 GPixel/s | 4.000 GPixel/s |
|---|---|---|
| Texture rate | 3.200 GTexel/s | 8.000 GTexel/s |
| FP32 (float) performance | 12.80 GFLOPS | 80.00 GFLOPS |
Dimensions & Outputs
| Slot width | IGP | MXM Module |
|---|---|---|
| TDP | 10 W | 14 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
API Support & Features
| DirectX | 11.1 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 1.1 |
| Shader model | 4.0 | 4.0 |
