Intel Core i7-6660U vs Intel Core i7-7700HQ

Compare Intel 6th Generation Core i7 2 core CPU vs Intel 7th Generation Core i7 4 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

27 %
32 %
18% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

45 %
50 %
11% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

22 %
26 %
18% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

21 %
25 %
19% slightly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-6660U and the Core i7-7700HQ? Download our free and quick PC Performance Test.

Other Benchmarks

Geekbench (multi) score

Multi threaded benchmark

80% significantly higher Geekbench (multi) score

Geekbench (single) score

Single threaded benchmark

14% slightly higher Geekbench (single) score



Number of physical processing units

100% significantly more cores


Number of logical processing units

100% significantly more threads

Clock Speed

Base frequency at which the chip operates

2 GHz
3 GHz
16% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3 GHz
4 GHz
11% slightly higher turbo speed


Thermal Design Power: Measure of heat generated by the CPU

15 W
200% significantly lower TDP
45 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

33% slightly more pcie lanes

Memory Channels

Lanes for simultaneous memory access


Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB
64 GiB
100% significantly more supported memory

Other details


Ranking in the hardwareDB database

660th of 1,326
556th of 1,326


The product line

6th Generation Core i7
7th Generation Core i7

Release date

The official date of release of this chip

February 2016
February 2017

Memory Type

The type of memory used by this chip


Supports ECC memory

Does this CPU support error correcting memory


Core i7-6660U vs Core i7-7700HQ specs and performance

Our benchmark analysis concludes that the Core i7-7700HQ performs better than the Core i7-6660U. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-6660U in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i7-7700HQ has significantly more cores than the Core i7-6660U. Indeed the Core i7-7700HQ has 2 compared to 4 found in the Core i7-6660U. It also has more threads than the Core i7-6660U. These CPUs have different clock speeds. Indeed, the Core i7-7700HQ has a slightly higher clock speed compared to the Core i7-6660U. Also, the Core i7-7700HQ has a slightly higher turbo speed. A Core i7-6660U CPU outputs less heat than a Core i7-7700HQ CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Core i7-6660U has more threads than cores. Each physical core is split into multiple threads.


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