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: 8.64

Overall Rank:
2979th fastest in multithreading out of 6046 CPUs
2186th fastest in single threading out of 6046 CPUs
655th fastest in out of 1652 Laptop CPUs

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

Average CPU Mark rating

Multithread Rating

3586

Single Thread Rating

1924

Samples: 35*
*Margin for error: Low

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

Integer Math	10,582 MOps/Sec
Floating Point Math	6,444 MOps/Sec
Find Prime Numbers	16 Million Primes/Sec
Random String Sorting	5,861 Thousand Strings/Sec
Data Encryption	1,210 MBytes/Sec
Data Compression	49,407 KBytes/Sec
Physics	413 Frames/Sec
Extended Instructions	2,742 Million Matrices/Sec
Single Thread	1,924 MOps/Sec

From submitted results to PerformanceTest V10 as of 10th of October 2026.

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

Submitted Baseline Distribution Graph as of 10th of October 2026

From submitted results since PerformanceTest V10 as of 10th of October 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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CPU Mark Relative to Top 10 Common Laptop CPUs
As of 10th of October 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-12700H		24,929
Apple M4 10 Core		23,568
AMD Ryzen 7 5800H		20,444
Intel Core i7-11800H @ 2.30GHz		19,558
AMD Ryzen 7 4800H		17,803
AMD Ryzen 5 5600H		16,338
Apple M2 8 Core 3500 MHz		15,648
Apple M1 8 Core 3200 MHz		14,119
Intel Core i7-9750H @ 2.60GHz		10,540
Intel Core i5-1135G7 @ 2.40GHz		9,286
Intel Core i7-6660U @ 2.40GHz		3,586

CPU Value (CPU Mark / $Price )
As of 10th of October 2026 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-12700H		54.55
Intel Core i7-11800H @ 2.30GHz		49.51
Intel Core i5-1135G7 @ 2.40GHz		30.05
Intel Core i7-9750H @ 2.60GHz		10.98
Intel Core i7-6660U @ 2.40GHz		8.64
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 10th of October 2026 - Higher results represent better performance
Processor	Average Thread Rating
Apple M4 10 Core		4,491
Apple M2 8 Core 3500 MHz		3,881
Apple M1 8 Core 3200 MHz		3,672
Intel Core i7-12700H		3,479
Intel Core i7-11800H @ 2.30GHz		3,003
AMD Ryzen 7 5800H		2,985
AMD Ryzen 5 5600H		2,868
Intel Core i5-1135G7 @ 2.40GHz		2,592
AMD Ryzen 7 4800H		2,578
Intel Core i7-9750H @ 2.60GHz		2,381
Intel Core i7-6660U @ 2.40GHz		1,924

Last 5 Baselines for Intel Core i7-6660U @ 2.40GHz
Most recent listed first
Baseline	CPU Mark
BL3738770 - Sep 25 2026		2831
BL3556099 - Jun 30 2026		3855
BL3346823 - Mar 13 2026		3393
BL5115144 - Mar 12 2026		2728
BL3172264 - Dec 29 2025		3870

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 10th of October 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-6660U @ 2.40GHz		3,586
Intel Core i3-8109U @ 3.00GHz vs Intel Core i7-6660U		4,176 (+16.4%)
Intel Core i3-10110U @ 2.10GHz vs Intel Core i7-6660U		3,806 (+6.1%)
Intel Core i5-7200U @ 2.50GHz vs Intel Core i7-6660U		3,371 (-6.0%)
Intel Core i3-7100U @ 2.40GHz vs Intel Core i7-6660U		2,720 (-24.2%)
Intel Core i3-8145U @ 2.10GHz vs Intel Core i7-6660U		3,755 (+4.7%)
Intel Core i3-8130U @ 2.20GHz vs Intel Core i7-6660U		3,518 (-1.9%)
Intel Core i7-6500U @ 2.50GHz vs Intel Core i7-6660U		3,277 (-8.6%)
Intel Core i3-7130U @ 2.70GHz vs Intel Core i7-6660U		3,043 (-15.2%)
Intel Core i5-4300M @ 2.60GHz vs Intel Core i7-6660U		2,960 (-17.5%)
Intel Core i5-7260U @ 2.20GHz vs Intel Core i7-6660U		3,942 (+9.9%)
AMD Ryzen 3 3200U vs Intel Core i7-6660U		3,702 (+3.2%)
AMD Ryzen 3 2200U vs Intel Core i7-6660U		3,662 (+2.1%)

Is the Intel Core i7-6660U @ 2.40GHz Good for Gaming?
As of 10th of October 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,747
Intel Core Ultra 9 290HX Plus		9,231
Intel Core Ultra 9 285HX		9,062
Intel Core Ultra 9 275HX		8,937
Intel Core Ultra 7 270HX Plus		8,855
Intel Core Ultra 7 251HX		8,311
Intel Core Ultra 5 235HX		7,989
Intel Core Ultra 7 265HX		7,832
Intel Core Ultra 7 255HX		7,693
Intel Core Ultra 9 285H		7,645
Intel Core Ultra 7 265H		7,602
AMD Ryzen 9 9850HX		7,294
Intel Core i7-6660U @ 2.40GHz		732

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