| Name: | Intel Core i7-6660U | 
| Family: | Intel Core i7 | 
| Group: | Intel Core i 6000U | 
| Segment: | Mobile | 
| Generation: | 6 | 
 
                    | Name: | Intel Core i7-6660U | 
| Family: | Intel Core i7 | 
| Group: | Intel Core i 6000U | 
| Segment: | Mobile | 
| Generation: | 6 | 
| CPU Cores: | 2 | 
| Threads: | 4 | 
| Cores: | 2x | 
| Core architecture: | normal | 
| Hyperthreading: | Yes | 
| Overclocking: | No | 
| Frequency: | 2.4 GHz | 
| Turbo Frequency (1 core): | 3.4 GHz | 
| GPU name: | Intel Iris Graphics 540 | 
| GPU frequency: | 0.3 GHz | 
| GPU (Turbo): | 1.05 GHz | 
| Execution units: | 48 | 
| Shaders: | 384 | 
| Max. GPU Memory: | 32.0 GB | 
| Max. displays: | -- | 
| Generation: | 9 | 
| Direct X: | 12 | 
| Technology: | 14 nm | 
| Release date: | Q3/2015 | 
| h265 / HEVC (8 bit): | Decode / Encode | 
| h265 / HEVC (10 bit): | No | 
| h264: | Decode / Encode | 
| VP8: | Decode / Encode | 
| VP9: | No | 
| AV1: | No | 
| AVC: | Decode / Encode | 
| VC-1: | Decode | 
| JPEG: | Decode / Encode | 
| Memory type: | DDR4-2133, LPDDR3-1866 | 
| Max. Memory: | 32.0 GB | 
| Memory channels: | 2 | 
| Bandwidth: | 34.1 GB/s | 
| ECC: | No | 
| PCIe: | pci | 
| AES-NI: | Yes | 
| TDP (PL1 / PBP): | 15 W | 
| TDP (PL2): | None | 
| TDP up: | None | 
| TDP down: | 9.5 W | 
| Tjunction max: | 100 °C | 
| Technology: | 14 nm | 
| Chip design: | Monolithic | 
| Socket: | BGA 1356 | 
| L2-Cache: | 0 bytes | 
| L3-Cache: | 4.0 MB | 
| Architecture: | Skylake U | 
| Operating systems: | Windows 10, Linux | 
| Virtualization: | VT-x, VT-x EPT, VT-d | 
| Instruction set (ISA): | x86-64 (64 bit) | 
| ISA extensions: | SSE4.1, SSE4.2, AVX2 | 
| Release date: | Q1/2016 | 
| Release price: | 415 $ | 
| Part Number: | -- | 
| Documents: | Technical data sheet | 
 Estimated results for PassMark CPU Mark
    Estimated results for PassMark CPU Mark
|   | AMD Phenom II X4 B95 
                    4C 4T @ 3.0 GHz
                 | 3738 | 
|   | Intel Core i7-7560U 
                    2C 4T @ 2.4 GHz
                 | 3720 | 
|   | Intel Core i7-6660U 
                    2C 4T @ 2.4 GHz
                 | 3720 | 
|   | Intel Core i7-7560U 
                    2C 4T @ 2.4 GHz
                 | 3720 | 
|   | AMD A8-3870K 
                    4C 4T @ 3.1 GHz
                 | 3684 | 
 Geekbench 6 (Multi-Core)
    Geekbench 6 (Multi-Core)
|   | Intel Core i3-4150 
                    2C 4T @ 3.5 GHz
                 | 2222 | 
|   | Intel Core i5-6287U 
                    2C 4T @ 3.1 GHz
                 | 2214 | 
|   | Intel Core i7-6660U 
                    2C 4T @ 2.4 GHz
                 | 2197 | 
|   | Intel Core i3-4330 
                    2C 4T @ 3.5 GHz
                 | 2179 | 
|   | Intel Core i3-6100T 
                    2C 4T @ 3.2 GHz
                 | 2176 | 
 Geekbench 5, 64bit (Multi-Core)
    Geekbench 5, 64bit (Multi-Core)
|   | Intel Pentium Gold G6500T 
                    2C 4T @ 3.5 GHz
                 | 1935 | 
|   | Intel Core i7-6567U 
                    2C 4T @ 3.3 GHz
                 | 1904 | 
|   | Intel Core i7-6660U 
                    2C 4T @ 2.4 GHz
                 | 1896 | 
|   | AMD Ryzen Embedded R1505G 
                    2C 4T @ 2.4 GHz
                 | 1894 | 
|   | Intel Core i7-7560U 
                    2C 4T @ 2.4 GHz
                 | 1888 | 
 Geekbench 6 (Single-Core)
    Geekbench 6 (Single-Core)
|   | Intel Core i7-6600U 
                    2C 4T @ 2.6 GHz
                 | 1092 | 
|   | Intel Core i7-6650U 
                    2C 4T @ 2.2 GHz
                 | 1092 | 
|   | Intel Core i7-6660U 
                    2C 4T @ 2.4 GHz
                 | 1092 | 
|   | AMD Ryzen 3 1200 12nm 
                    4C 4T @ 3.1 GHz
                 | 1092 | 
|   | Intel Xeon E5-2687W v3 
                    10C 20T @ 3.1 GHz
                 | 1092 | 
 Geekbench 5, 64bit (Single-Core)
    Geekbench 5, 64bit (Single-Core)
|   | Intel Core i7-6600U 
                    2C 4T @ 2.6 GHz
                 | 820 | 
|   | Intel Core i7-6650U 
                    2C 4T @ 2.2 GHz
                 | 820 | 
|   | Intel Core i7-6660U 
                    2C 4T @ 2.4 GHz
                 | 820 | 
|   | Intel Core i7-6650U 
                    2C 4T @ 2.2 GHz
                 | 820 | 
|   | Intel Core i7-6600U 
                    2C 4T @ 2.6 GHz
                 | 820 | 
 iGPU - FP32 Performance (Single-precision GFLOPS)
    iGPU - FP32 Performance (Single-precision GFLOPS)
|   | Intel Core i5-5350H 
                    4C 8T @ 3.1 GHz
                 | 806 | 
|   | Intel Core i7-5750HQ 
                    4C 8T @ 2.5 GHz
                 | 806 | 
|   | Intel Core i7-6660U 
                    2C 4T @ 2.4 GHz
                 | 806 | 
|   | Intel Core i7-6650U 
                    2C 4T @ 2.2 GHz
                 | 806 | 
|   | Intel Core i5-1030G4 
                    4C 8T @ 0.7 GHz
                 | 806 |