NVIDIA GeForce GTX 675MX Mac Edition vs NVIDIA GeForce GTX 950A
Graphics Processor
| GPU model | GK104 | GM107 |
|---|---|---|
| GPU variant | N13E-GSR-A2 | N16P-GT |
| Architecture | Kepler | Maxwell |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 3,540 million | 1,870 million |
| Die size | 294 mm² | 148 mm² |
Mobile graphics
| Release date | Apr 1st, 2013 | Mar 13th, 2015 |
|---|---|---|
| Generation | GeForce 600M | GeForce 900A |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Predecessor | GeForce 500M | GeForce 800A |
| Successor | GeForce 700M | — |
Clocks
| GPU clock | 719 MHz | — |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 1001 MHz 2 Gbps effective |
| Base clock | — | 993 MHz |
| Boost clock | — | 1124 MHz |
Memory Configuration
| Memory size | 1024 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | DDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 160.0 GB/s | 32.03 GB/s |
Render Configuration
| Shading units | 1344 | 640 |
|---|---|---|
| TMUs | 112 | 40 |
| ROPs | 32 | 16 |
| SMX count | 7 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SMM) |
| Cache L2 | 512 KB | 2 MB |
| SMM count | — | 5 |
Performance
| Pixel rate | 20.13 GPixel/s | 17.98 GPixel/s |
|---|---|---|
| Texture rate | 80.53 GTexel/s | 44.96 GTexel/s |
| FP32 (float) performance | 1.933 TFLOPS | 1,439 GFLOPS |
| FP64 (double) performance | 80.53 GFLOPS (1:24) | 44.96 GFLOPS (1:32) |
Dimensions & Outputs
| TDP | 100 W | 75 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | MXM Module |
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 | 3.0 | 5.0 |
| Shader model | 5.1 | 5.1 |
