NVIDIA GeForce GT 755M Mac Edition vs NVIDIA GeForce GTX 670M
Graphics Processor
| GPU model | GK107 | GF114 |
|---|---|---|
| GPU variant | GT 755M | N13E-GS1-LP-A1 |
| Architecture | Kepler | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 1,270 million | 1,950 million |
| Die size | 118 mm² | 332 mm² |
Mobile graphics
| Release date | Nov 8th, 2013 | Mar 22nd, 2012 |
|---|---|---|
| Generation | GeForce 700M | GeForce 600M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Predecessor | GeForce 600M | GeForce 500M |
| Successor | GeForce 800M | GeForce 700M |
Clocks
| GPU clock | 1085 MHz | 598 MHz |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 750 MHz 3 Gbps effective |
| Shader clock | — | 1196 MHz |
Memory Configuration
| Memory size | 1024 MB | 1536 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 80.00 GB/s | 72.00 GB/s |
Render Configuration
| Shading units | 384 | 336 |
|---|---|---|
| TMUs | 32 | 56 |
| ROPs | 16 | 24 |
| SMX count | 2 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SM) |
| Cache L2 | 256 KB | 384 KB |
| SM count | — | 7 |
Performance
| Pixel rate | 8.680 GPixel/s | 8.372 GPixel/s |
|---|---|---|
| Texture rate | 34.72 GTexel/s | 33.49 GTexel/s |
| FP32 (float) performance | 833.3 GFLOPS | 803.7 GFLOPS |
| FP64 (double) performance | 34.72 GFLOPS (1:24) | 66.98 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | 50 W | 75 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 12 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.1 |
| Vulkan | 1.1 | — |
| CUDA | 3.0 | 2.1 |
| Shader model | 5.1 | 5.1 |
