NVIDIA GeForce 940MX vs NVIDIA GeForce GTX 1080 Mobile
Graphics Processor
| GPU model | GM107 | GP104 |
|---|---|---|
| GPU variant | N16S-GT1R | N17E-G3-A1 |
| Architecture | Maxwell | Pascal |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 16 nm |
| Number of transistors | 1,870 million | 7,200 million |
| Die size | 148 mm² | 314 mm² |
Mobile graphics
| Release date | Jun 28th, 2016 | Aug 15th, 2016 |
|---|---|---|
| Generation | GeForce 900M | GeForce 10 Mobile |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Predecessor | GeForce 800M | GeForce 900M |
| Successor | GeForce 10 Mobile | GeForce 20 Mobile |
| Reviews | — | 183 in our database |
Clocks
| Base clock | 795 MHz | 1556 MHz |
|---|---|---|
| Boost clock | 861 MHz | 1734 MHz |
| Memory clock | 1253 MHz 5 Gbps effective | 1251 MHz 10 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5X |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 40.10 GB/s | 320.3 GB/s |
Render Configuration
| Shading units | 512 | 2560 |
|---|---|---|
| TMUs | 32 | 160 |
| ROPs | 8 | 64 |
| SMM count | 4 | — |
| Cache L1 | 64 KB (per SMM) | 48 KB (per SM) |
| Cache L2 | 1024 KB | 2 MB |
| SM count | — | 20 |
Performance
| Pixel rate | 6.888 GPixel/s | 111.0 GPixel/s |
|---|---|---|
| Texture rate | 27.55 GTexel/s | 277.4 GTexel/s |
| FP32 (float) performance | 881.7 GFLOPS | 8.878 TFLOPS |
| FP64 (double) performance | 27.55 GFLOPS (1:32) | 277.4 GFLOPS (1:32) |
| FP16 (half) performance | — | 138.7 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | 23 W | 150 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
| Board number | — | E2915 SKU 10 |
API Support & Features
| DirectX | 12 (11_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.2 |
| CUDA | 5.0 | 6.1 |
| Shader model | 5.1 | 6.4 |
