NVIDIA GeForce 920M vs NVIDIA GeForce GT 540M
Graphics Processor
| GPU model | GK208B | GF108 |
|---|---|---|
| GPU variant | N16V-GM | N12P-GS-A1 |
| Architecture | Kepler 2.0 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,020 million | 585 million |
| Die size | 87 mm² | 116 mm² |
Mobile graphics
| Release date | Mar 13th, 2015 | Jan 5th, 2011 |
|---|---|---|
| Generation | GeForce 900M | GeForce 500M |
| Production | Active | End-of-life |
| Interface | PCIe 3.0 x8 | MXM-A (3.0) |
| Predecessor | GeForce 800M | GeForce 400M |
| Successor | GeForce 10 Mobile | GeForce 600M |
Clocks
| GPU clock | 954 MHz | 672 MHz |
|---|---|---|
| Memory clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1344 MHz |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 14.40 GB/s | 28.80 GB/s |
Render Configuration
| Shading units | 384 | 96 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 8 | 4 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SM) |
| Cache L2 | 512 KB | 256 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 7.632 GPixel/s | 2.688 GPixel/s |
|---|---|---|
| Texture rate | 30.53 GTexel/s | 10.75 GTexel/s |
| FP32 (float) performance | 732.7 GFLOPS | 258.0 GFLOPS |
| FP64 (double) performance | 30.53 GFLOPS (1:24) | 21.50 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | IGP | MXM Module |
|---|---|---|
| TDP | 33 W | 35 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.1 | — |
| CUDA | 3.5 | 2.1 |
| Shader model | 5.1 | 5.1 |
