NVIDIA GeForce GT 755M Mac Edition vs NVIDIA Quadro P400
Graphics Processor
| GPU model | GK107 | GP107 |
|---|---|---|
| GPU variant | GT 755M | — |
| Architecture | Kepler | Pascal |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 1,270 million | 3,300 million |
| Die size | 118 mm² | 132 mm² |
Mobile graphics
| Release date | Nov 8th, 2013 | — |
|---|---|---|
| Generation | GeForce 700M | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Predecessor | GeForce 600M | — |
| Successor | GeForce 800M | — |
Clocks
| GPU clock | 1085 MHz | — |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 1002 MHz 4 Gbps effective |
| Base clock | — | 1228 MHz |
| Boost clock | — | 1252 MHz |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 80.00 GB/s | 32.06 GB/s |
Render Configuration
| Shading units | 384 | 256 |
|---|---|---|
| TMUs | 32 | 16 |
| ROPs | 16 | 16 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | 48 KB (per SM) |
| Cache L2 | 256 KB | 512 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 8.680 GPixel/s | 20.03 GPixel/s |
|---|---|---|
| Texture rate | 34.72 GTexel/s | 20.03 GTexel/s |
| FP32 (float) performance | 833.3 GFLOPS | 641.0 GFLOPS |
| FP64 (double) performance | 34.72 GFLOPS (1:24) | 20.03 GFLOPS (1:32) |
| FP16 (half) performance | — | 10.02 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | MXM Module | Single-slot |
|---|---|---|
| TDP | 50 W | 30 W |
| Outputs | No outputs | 3x mini-DisplayPort |
| Length | — | 150 mm 5.9 inches |
| Width | — | 69 mm 2.7 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | PG212 SKU 500 |
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 | 3.0 | 6.1 |
| Shader model | 5.1 | 6.4 |
Other Features
Graphics Card
| Release date | — | Feb 7th, 2017 |
|---|---|---|
| Generation | — | Quadro |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
