NVIDIA GeForce 945M vs NVIDIA Quadro P520 Mobile
Graphics Processor
| GPU model | GM107 | GP108 |
|---|---|---|
| Architecture | Maxwell | Pascal |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 1,870 million | 1,800 million |
| Die size | 148 mm² | 74 mm² |
Mobile graphics
| Release date | Oct 27th, 2015 | May 23rd, 2019 |
|---|---|---|
| Generation | GeForce 900M | Quadro Mobile (Px200) |
| Production | End-of-life | End-of-life |
| Interface | MXM-B (3.0) | PCIe 3.0 x16 |
| Predecessor | GeForce 800M | — |
| Successor | GeForce 10 Mobile | — |
Clocks
| Base clock | 928 MHz | 1303 MHz |
|---|---|---|
| Boost clock | 1020 MHz | 1493 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 2 GB |
|---|---|---|
| Memory type | DDR3 | GDDR5 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 28.80 GB/s | 48.06 GB/s |
Render Configuration
| Shading units | 640 | 384 |
|---|---|---|
| TMUs | 40 | 24 |
| ROPs | 16 | 16 |
| SMM count | 5 | — |
| Cache L1 | 64 KB (per SMM) | 48 KB (per SM) |
| Cache L2 | 2 MB | 512 KB |
| SM count | — | 3 |
Performance
| Pixel rate | 16.32 GPixel/s | 23.89 GPixel/s |
|---|---|---|
| Texture rate | 40.80 GTexel/s | 35.83 GTexel/s |
| FP32 (float) performance | 1,306 GFLOPS | 1,147 GFLOPS |
| FP64 (double) performance | 40.80 GFLOPS (1:32) | 35.83 GFLOPS (1:32) |
| FP16 (half) performance | — | 17.92 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | 75 W | 18 W |
| Outputs | No outputs | No outputs |
| Power connectors | — | None |
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 |
