NVIDIA GeForce GTX 1070 Mobile vs NVIDIA GeForce GTX 660 Rev. 2
Graphics Processor
| GPU model | GP104 | GK104 |
|---|---|---|
| GPU variant | N17E-G2-A1 | — |
| Architecture | Pascal | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 16 nm | 28 nm |
| Number of transistors | 7,200 million | 3,540 million |
| Die size | 314 mm² | 294 mm² |
Mobile graphics
| Release date | Aug 15th, 2016 | — |
|---|---|---|
| Generation | GeForce 10 Mobile | — |
| Production | Active | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 124 in our database | — |
Clocks
| Base clock | 1442 MHz | 980 MHz |
|---|---|---|
| Boost clock | 1645 MHz | 1032 MHz |
| Memory clock | 2002 MHz 8008 MHz effective | 1502 MHz 6 Gbps effective |
Memory Configuration
| Memory size | 8 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 192 bit |
| Bandwidth | 256.3 GB/s | 144.2 GB/s |
Render Configuration
| Shading units | 2048 | 960 |
|---|---|---|
| TMUs | 128 | 80 |
| ROPs | 64 | 24 |
| SM count | 16 | — |
| Cache L1 | 48 KB (per SM) | 16 KB (per SMX) |
| Cache L2 | 2 MB | 384 KB |
| SMX count | — | 5 |
Performance
| Pixel rate | 105.3 GPixel/s | 20.64 GPixel/s |
|---|---|---|
| Texture rate | 210.6 GTexel/s | 82.56 GTexel/s |
| FP16 (half) performance | 105.3 GFLOPS (1:64) | — |
| FP32 (float) performance | 6.738 TFLOPS | 1.981 TFLOPS |
| FP64 (double) performance | 210.6 GFLOPS (1:32) | 82.56 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | MXM Module | Dual-slot |
|---|---|---|
| TDP | 120 W | 140 W |
| Outputs | No outputs | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | None | 1x 6-pin |
| Length | — | 241 mm 9.5 inches |
| Suggested PSU | — | 300 W |
| Board number | — | P2004 SKU 11 |
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 |
Other Features
Graphics Card
| Release date | — | Sep 13th, 2014 |
|---|---|---|
| Generation | — | GeForce 600 |
| Production | — | End-of-life |
| Interface | — | PCIe 3.0 x16 |
| Reviews | — | 77 in our database |
| Predecessor | — | GeForce 500 |
| Successor | — | GeForce 700 |
