i7-2660M vs i7-7740K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i7 |
| Designer | Intel | Intel |
| Architecture codename | Kaby Lake-X (2017) | Sandy Bridge (2011−2013) |
| Release date | no data | no data |
Detailed specifications
Core i7-7740K and Core i7-2660M basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | no data | 4 |
| Boost clock speed | 4.3 GHz | 2.9 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 29 |
| L1 cache | 64 KB (per core) | 128 KB |
| L2 cache | 256 KB (per core) | 512 KB |
| L3 cache | 8192 KB (shared) | 4 MB |
| Chip lithography | 14 nm | 32 nm |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 624 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-7740K and Core i7-2660M compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 (Uniprocessor) |
| Socket | 1151 | Socket G2 |
| Power consumption (TDP) | 112 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7740K and Core i7-2660M. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| TSX | + | - |
Security technologies
Core i7-7740K and Core i7-2660M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-7740K and Core i7-2660M are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-7740K and Core i7-2660M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR3-1333 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | HD 630 | Intel HD Graphics 3000 |
Pros & cons summary
| Physical cores | 4 | 2 |
| Chip lithography | 14 nm | 32 nm |
| Power consumption (TDP) | 112 Watt | 35 Watt |
i7-7740K has 100% more physical cores, and a 128.6% more advanced lithography process.
i7-2660M, on the other hand, has 220% lower power consumption.
We couldn't decide between Intel Core i7-7740K and Intel Core i7-2660M. We've got no test results to judge.
Note that Core i7-7740K is a desktop processor while Core i7-2660M is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
