NVIDIA GeForce 945A vs NVIDIA GeForce MX230
Graphics Processor
| GPU model | GM108 | GP108 |
|---|---|---|
| Architecture | Maxwell | Pascal |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | unknown | 1,800 million |
| Die size | unknown | 74 mm² |
| GPU variant | — | N17S-G0-A1 |
Mobile graphics
| Release date | Mar 13th, 2015 | Feb 21st, 2019 |
|---|---|---|
| Generation | GeForce 900A | GeForce MX (2xx) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x4 |
| Predecessor | GeForce 800A | — |
Clocks
| Base clock | 1006 MHz | 1519 MHz |
|---|---|---|
| Boost clock | 1189 MHz | 1531 MHz |
| Memory clock | 1253 MHz 5 Gbps effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 40.10 GB/s | 48.06 GB/s |
Render Configuration
| Shading units | 384 | 256 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 16 |
| SMM count | 3 | — |
| Cache L1 | 64 KB (per SMM) | 48 KB (per SM) |
| Cache L2 | 1024 KB | 512 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 9.512 GPixel/s | 24.50 GPixel/s |
|---|---|---|
| Texture rate | 28.54 GTexel/s | 24.50 GTexel/s |
| FP32 (float) performance | 913.2 GFLOPS | 783.9 GFLOPS |
| FP64 (double) performance | 28.54 GFLOPS (1:32) | 24.50 GFLOPS (1:32) |
| FP16 (half) performance | — | 12.25 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | MXM Module | IGP |
|---|---|---|
| TDP | 33 W | 10 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 |
