NVIDIA GeForce 315M vs NVIDIA GeForce 8400M GS
Graphics Processor
| GPU model | GT218 | G86 |
|---|---|---|
| GPU variant | N11M-GE | NB8M-GS |
| Architecture | Tesla 2.0 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 80 nm |
| Number of transistors | 260 million | 210 million |
| Die size | 57 mm² | 127 mm² |
Mobile graphics
| Release date | Jan 5th, 2011 | May 9th, 2007 |
|---|---|---|
| Generation | GeForce 300M | GeForce 8M (8000M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | MXM-I |
| Reviews | 2 in our database | — |
| Predecessor | GeForce 200M | GeForce Go 7 |
| Successor | GeForce 400M | GeForce 9M |
Clocks
| GPU clock | 606 MHz | 400 MHz |
|---|---|---|
| Shader clock | 1212 MHz | 800 MHz |
| Memory clock | 800 MHz 1600 Mbps effective | 400 MHz 800 Mbps effective |
Memory Configuration
| Memory size | 512 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 | 16 | 16 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| SM count | 2 | 2 |
| Cache L2 | 32 KB | 16 KB |
Performance
| Pixel rate | 2.424 GPixel/s | 1.600 GPixel/s |
|---|---|---|
| Texture rate | 4.848 GTexel/s | 3.200 GTexel/s |
| FP32 (float) performance | 38.78 GFLOPS | 25.60 GFLOPS |
Dimensions & Outputs
| TDP | 14 W | 11 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | MXM Module |
API Support & Features
| DirectX | 11.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.2 | 1.1 |
| Shader model | 4.1 | 4.0 |
