NVIDIA GeForce GT 540M vs NVIDIA GeForce GTS 450
Graphics Processor
| GPU model | GF108 | GF106 |
|---|---|---|
| GPU variant | N12P-GS-A1 | GF106-250-KA-A1 |
| Architecture | Fermi | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 585 million | 1,170 million |
| Die size | 116 mm² | 238 mm² |
Mobile graphics
| Release date | Jan 5th, 2011 | — |
|---|---|---|
| Generation | GeForce 500M | — |
| Production | End-of-life | — |
| Interface | MXM-A (3.0) | — |
| Predecessor | GeForce 400M | — |
| Successor | GeForce 600M | — |
Clocks
| GPU clock | 672 MHz | 783 MHz |
|---|---|---|
| Shader clock | 1344 MHz | 1566 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 902 MHz 3.6 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | GDDR5 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 28.80 GB/s | 57.73 GB/s |
Render Configuration
| Shading units | 96 | 192 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 4 | 16 |
| SM count | 2 | 4 |
| Cache L1 | 64 KB (per SM) | 64 KB (per SM) |
| Cache L2 | 256 KB | 256 KB |
Performance
| Pixel rate | 2.688 GPixel/s | 6.264 GPixel/s |
|---|---|---|
| Texture rate | 10.75 GTexel/s | 25.06 GTexel/s |
| FP32 (float) performance | 258.0 GFLOPS | 601.3 GFLOPS |
| FP64 (double) performance | 21.50 GFLOPS (1:12) | 50.11 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | MXM Module | Dual-slot |
|---|---|---|
| TDP | 35 W | 106 W |
| Outputs | No outputs | 2x DVI1x mini-HDMI |
| Length | — | 210 mm 8.3 inches |
| Width | — | 111 mm 4.4 inches |
| Suggested PSU | — | 300 W |
| Power connectors | — | 1x 6-pin |
| Board number | — | P1060 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 2.1 | 2.1 |
| Shader model | 5.1 | 5.1 |
Other Features
Graphics Card
| Release date | — | Sep 13th, 2010 |
|---|---|---|
| Generation | — | GeForce 400 |
| Production | — | End-of-life |
| Launch price | — | 129 USD |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 80 in our database |
| Predecessor | — | GeForce 200 |
| Successor | — | GeForce 500 |
