NVIDIA GeForce GTX 1080 Max-Q vs NVIDIA GeForce GTX 660M Mac Edition
Graphics Processor
| GPU model | GP104 | GK107 |
|---|---|---|
| GPU variant | N17E-G3-A1 | — |
| Architecture | Pascal | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 16 nm | 28 nm |
| Number of transistors | 7,200 million | 1,270 million |
| Die size | 314 mm² | 118 mm² |
Mobile graphics
| Release date | Jun 27th, 2017 | Apr 1st, 2013 |
|---|---|---|
| Generation | GeForce 10 Mobile | GeForce 600M |
| Production | Active | End-of-life |
| Interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Reviews | 183 in our database | — |
| Predecessor | — | GeForce 500M |
| Successor | — | GeForce 700M |
Clocks
| Base clock | 1290 MHz | — |
|---|---|---|
| Boost clock | 1468 MHz | — |
| Memory clock | 1251 MHz 10008 MHz effective | 1250 MHz 5 Gbps effective |
| GPU clock | — | 950 MHz |
Memory Configuration
| Memory size | 8 GB | 512 MB |
|---|---|---|
| Memory type | GDDR5X | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 320.3 GB/s | 80.00 GB/s |
Render Configuration
| Shading units | 2560 | 384 |
|---|---|---|
| TMUs | 160 | 32 |
| ROPs | 64 | 16 |
| SM count | 20 | — |
| Cache L1 | 48 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 2 MB | 256 KB |
| SMX count | — | 2 |
Performance
| Pixel rate | 93.95 GPixel/s | 7.600 GPixel/s |
|---|---|---|
| Texture rate | 234.9 GTexel/s | 30.40 GTexel/s |
| FP16 (half) performance | 117.4 GFLOPS (1:64) | — |
| FP32 (float) performance | 7.516 TFLOPS | 729.6 GFLOPS |
| FP64 (double) performance | 234.9 GFLOPS (1:32) | 30.40 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | 150 W | 50 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
| Board number | E2915 SKU 10 | — |
API Support & Features
| DirectX | 12 (12_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2.131 | 1.1 |
| CUDA | 6.1 | 3.0 |
| Shader model | 6.4 | 5.1 |
