NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce GTX 960M
Graphics Processor
| GPU model | GK104 | GM107 |
|---|---|---|
| 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 |
| GPU variant | — | N16P-GX-A1 |
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 | — |
Clocks
| Base clock | 980 MHz | 1097 MHz |
|---|---|---|
| Boost clock | 1032 MHz | 1176 MHz |
| Memory clock | 1502 MHz 6 Gbps effective | 1253 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 4 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 192 bit | 128 bit |
| Bandwidth | 144.2 GB/s | 80.19 GB/s |
Render Configuration
| Shading units | 960 | 640 |
|---|---|---|
| TMUs | 80 | 40 |
| ROPs | 24 | 16 |
| SMX count | 5 | — |
| Cache L1 | 16 KB (per SMX) | 64 KB (per SMM) |
| Cache L2 | 384 KB | 2 MB |
| SMM count | — | 5 |
Performance
| Pixel rate | 20.64 GPixel/s | 18.82 GPixel/s |
|---|---|---|
| Texture rate | 82.56 GTexel/s | 47.04 GTexel/s |
| FP32 (float) performance | 1.981 TFLOPS | 1.505 TFLOPS |
| FP64 (double) performance | 82.56 GFLOPS (1:24) | 47.04 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | MXM Module |
|---|---|---|
| Length | 241 mm 9.5 inches | — |
| TDP | 140 W | 75 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | 1x 6-pin | — |
| Board number | P2004 SKU 11 | E2704 SKU 10 |
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 |
Other Features
Mobile graphics
| Release date | — | Mar 13th, 2015 |
|---|---|---|
| Generation | — | GeForce 900M |
| Production | — | End-of-life |
| Interface | — | MXM-B (3.0) |
| Predecessor | — | GeForce 800M |
| Successor | — | GeForce 10 Mobile |
