NVIDIA GeForce 8800M GTX vs NVIDIA GeForce GT 540M
Graphics Processor
| GPU model | G92 | GF108 |
|---|---|---|
| GPU variant | NB8E-GTX-A2 | N12P-GS-A1 |
| Architecture | Tesla | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 40 nm |
| Number of transistors | 754 million | 585 million |
| Die size | 324 mm² | 116 mm² |
Mobile graphics
| Release date | Nov 1st, 2007 | Jan 5th, 2011 |
|---|---|---|
| Generation | GeForce 8M (8000M) | GeForce 500M |
| Production | End-of-life | End-of-life |
| Interface | MXM-HE | MXM-A (3.0) |
| Predecessor | GeForce Go 7 | GeForce 400M |
| Successor | GeForce 9M | GeForce 600M |
Clocks
| GPU clock | 500 MHz | 672 MHz |
|---|---|---|
| Shader clock | 1250 MHz | 1344 MHz |
| Memory clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 51.20 GB/s | 28.80 GB/s |
Render Configuration
| Shading units | 96 | 96 |
|---|---|---|
| TMUs | 48 | 16 |
| ROPs | 16 | 4 |
| SM count | 12 | 2 |
| Cache L2 | 64 KB | 256 KB |
| Cache L1 | — | 64 KB (per SM) |
Performance
| Pixel rate | 8.000 GPixel/s | 2.688 GPixel/s |
|---|---|---|
| Texture rate | 24.00 GTexel/s | 10.75 GTexel/s |
| FP32 (float) performance | 240.0 GFLOPS | 258.0 GFLOPS |
| FP64 (double) performance | — | 21.50 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | 65 W | 35 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
| Board number | P398 | — |
API Support & Features
| DirectX | 11.1 (10_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 2.1 |
| Shader model | 4.0 | 5.1 |
