Intel Core i7-6660U @ 2.40GHz

Benchmarks for the Intel Core i7-6660U can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Core i7-6660U @ 2.40GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

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Intel Core i7-6660U @ 2.40GHz

Description: Intel Iris Graphics 540

Class: Laptop

Socket: FCBGA1356

Clockspeed: 2.4 GHz

Turbo Speed: 3.4 GHz

Cores: 2 Threads: 4

Typical TDP: 15 W

TDP Down: 9.5 W

Cache per CPU Package:
L1 Instruction Cache: 1 x 32 KB
L1 Data Cache: 1 x 32 KB
L2 Cache: 1 x 256 KB
L3 Cache: 4 MB

Memory Support: Max. Memory Size: 32 GB (DDR4-2133, LPDDR3-1866, DDR3L-1600)

Other names: Intel(R) Core(TM) i7-6660U CPU @ 2.40GHz

CPU First Seen on Charts: Q3 2018

CPUmark/$Price: 8.76

Overall Rank:
2739th fastest in multithreading out of 5783 CPUs
1948th fastest in single threading out of 5783 CPUs
610th fastest in out of 1610 Laptop CPUs

Last Price Change: $415.00 USD (2016-01-01)

Average CPU Mark rating

Multithread Rating

3636

Single Thread Rating

1947

Samples: 31*
*Margin for error: Low

CPU Test Suite Average Results for Intel Core i7-6660U @ 2.40GHz

Integer Math	10,678 MOps/Sec
Floating Point Math	6,537 MOps/Sec
Find Prime Numbers	16 Million Primes/Sec
Random String Sorting	5,978 Thousand Strings/Sec
Data Encryption	1,233 MBytes/Sec
Data Compression	50,388 KBytes/Sec
Physics	422 Frames/Sec
Extended Instructions	2,751 Million Matrices/Sec
Single Thread	1,947 MOps/Sec

From submitted results to PerformanceTest V10 as of 12th of February 2026.

CPU Mark Distribution for Intel Core i7-6660U @ 2.40GHz

Submitted Baseline Distribution Graph as of 12th of February 2026

From submitted results since PerformanceTest V10 as of 12th of February 2026.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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Pricing History

CPU Mark Relative to Top 10 Common Laptop CPUs
As of 13th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-12700H		25,259
Apple M4 10 Core		23,700
AMD Ryzen 7 5800H		20,627
Intel Core i7-11800H @ 2.30GHz		19,759
AMD Ryzen 7 4800H		18,010
AMD Ryzen 5 5600H		16,484
Apple M2 8 Core 3500 MHz		15,640
Apple M1 8 Core 3200 MHz		14,133
Intel Core i7-9750H @ 2.60GHz		10,599
Intel Core i5-1135G7 @ 2.40GHz		9,394
Intel Core i7-6660U @ 2.40GHz		3,636

CPU Value (CPU Mark / $Price )
As of 13th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-12700H		55.27
Intel Core i7-11800H @ 2.30GHz		50.02
Intel Core i5-1135G7 @ 2.40GHz		30.40
Intel Core i7-9750H @ 2.60GHz		11.04
Intel Core i7-6660U @ 2.40GHz		8.76
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA
AMD Ryzen 7 5800H		NA
AMD Ryzen 5 5600H		NA
AMD Ryzen 7 4800H		NA

Single Thread Rating
As of 13th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
Apple M4 10 Core		4,516
Apple M2 8 Core 3500 MHz		3,886
Apple M1 8 Core 3200 MHz		3,676
Intel Core i7-12700H		3,505
Intel Core i7-11800H @ 2.30GHz		3,023
AMD Ryzen 7 5800H		3,004
AMD Ryzen 5 5600H		2,888
Intel Core i5-1135G7 @ 2.40GHz		2,616
AMD Ryzen 7 4800H		2,587
Intel Core i7-9750H @ 2.60GHz		2,392
Intel Core i7-6660U @ 2.40GHz		1,947

Last 5 Baselines for Intel Core i7-6660U @ 2.40GHz
Most recent listed first
Baseline	CPU Mark
BL3172264 - Dec 29 2025		3870
BL5085290 - Jan 27 2025		3574
BL2328137 - Jan 08 2025		3952
BL2328106 - Jan 08 2025		3721
BL2326322 - Jan 07 2025		3920

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for Intel Core i7-6660U @ 2.40GHz
As of 13th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-6660U @ 2.40GHz		3,636
Intel Core i3-8109U @ 3.00GHz vs Intel Core i7-6660U		4,181 (+15.0%)
Intel Core i3-10110U @ 2.10GHz vs Intel Core i7-6660U		3,836 (+5.5%)
Intel Core i5-7200U @ 2.50GHz vs Intel Core i7-6660U		3,373 (-7.2%)
Intel Core i3-8145U @ 2.10GHz vs Intel Core i7-6660U		3,778 (+3.9%)
Intel Core i3-8130U @ 2.20GHz vs Intel Core i7-6660U		3,519 (-3.2%)
Intel Core i7-6500U @ 2.50GHz vs Intel Core i7-6660U		3,274 (-10.0%)
Intel Core i3-7130U @ 2.70GHz vs Intel Core i7-6660U		3,037 (-16.5%)
Intel Core i5-4300M @ 2.60GHz vs Intel Core i7-6660U		2,961 (-18.6%)
Intel Core i5-7260U @ 2.20GHz vs Intel Core i7-6660U		3,960 (+8.9%)
AMD Ryzen 3 3200U vs Intel Core i7-6660U		3,726 (+2.5%)
AMD A8-7680 vs Intel Core i7-6660U		3,526 (-3.0%)
Intel Core i5-6260U @ 1.80GHz vs Intel Core i7-6660U		3,186 (-12.4%)

Is the Intel Core i7-6660U @ 2.40GHz Good for Gaming?
As of 13th of February 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,772
Intel Core Ultra 9 285HX		9,415
Intel Core Ultra 9 275HX		8,992
Intel Core Ultra 5 235HX		8,984
Intel Core Ultra 7 255HX		7,909
Intel Core Ultra 7 265HX		7,876
Intel Core Ultra 7 265H		7,762
Intel Core Ultra X9 388H		7,303
AMD Ryzen 9 9850HX		7,301
Intel Core i9-14900HX		6,905
AMD RYZEN AI MAX+ 392		6,807
AMD Ryzen AI Max Pro 390		6,751
Intel Core i7-6660U @ 2.40GHz		746

CPU Benchmarks

CPU Benchmarks

Intel Core i7-6660U @ 2.40GHz

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CPU Test Suite Average Results for Intel Core i7-6660U @ 2.40GHz

CPU Mark Distribution for Intel Core i7-6660U @ 2.40GHz

Pricing History