NVIDIA GeForce 940A vs NVIDIA NVS 810
Graphics Processor
| GPU model | GM108 | GM107 |
|---|---|---|
| GPU variant | N16S-GT-S | — |
| Architecture | Maxwell | Maxwell |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | unknown | 1,870 million |
| Die size | unknown | 148 mm² |
Mobile graphics
| Release date | Mar 13th, 2015 | — |
|---|---|---|
| Generation | GeForce 900A | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | GeForce 800A | — |
Clocks
| Base clock | 1072 MHz | 902 MHz |
|---|---|---|
| Boost clock | 1176 MHz | 1033 MHz |
| Memory clock | 1001 MHz 2 Gbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 16.02 GB/s | 14.40 GB/s |
Render Configuration
| Shading units | 384 | 512 |
|---|---|---|
| TMUs | 16 | 32 |
| ROPs | 8 | 16 |
| SMM count | 3 | 4 |
| Cache L1 | 64 KB (per SMM) | 64 KB (per SMM) |
| Cache L2 | 1024 KB | 1024 KB |
Performance
| Pixel rate | 9.408 GPixel/s | 16.53 GPixel/s |
|---|---|---|
| Texture rate | 18.82 GTexel/s | 33.06 GTexel/s |
| FP32 (float) performance | 903.2 GFLOPS | 1,058 GFLOPS |
| FP64 (double) performance | 28.22 GFLOPS (1:32) | 33.06 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | IGP | Single-slot |
|---|---|---|
| TDP | 33 W | 68 W |
| Outputs | No outputs | 8x mini-DisplayPort |
| Length | — | 198 mm 7.8 inches |
| Suggested PSU | — | 250 W |
| Power connectors | — | None |
| Board number | — | P2010 |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.1 |
| CUDA | 5.0 | 5.0 |
| Shader model | 5.1 | 5.1 |
Other Features
Graphics Card
| Release date | — | Nov 4th, 2015 |
|---|---|---|
| Generation | — | NVS |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
