Intel Core i7-6660U vs Intel Core i5-2400

Processor comparisons   20-01-2022
   If you are thinking about choosing a processor, you will be able to make a choice after reading the detailed tests Intel Core i7-6660U vs Intel Core i5-2400 and see which is better for games or simple use for video editing, streaming, rendering, machine learning, programming. Here is all information from several benchmarks or real streaming and video editing tests. A step-by-step analysis of all the specifications, so that it can be easier to read, is made by the table.
   From the video comparison, you can get the results of joint testing in special test applications such as WPrime, 7zip, DaVinci Resolve Studio, Handbrake, VeraCrypt, Furmark, 3DMark, Cinebench 23 (20, 15), Dolphin Emulator, World of Tanks enCore Benchmark, MATLAB, Prime95, UserBenchmark, Gears 5, GeekBench 6, 5.2, AIDA64, PassMark, SuperPi, Blender, Blender, PCMark 10, RealBench.
   Gaming performance of CPUs in:

Valorant
Overwatch
Assassin's Creed Valhalla
Death Stranding
Rainbow Six Siege
Cyberpunk 2077
Borderlands 3
World of Warcraft: Shadowlands
Valheim
Watch Dogs Legion
Fallout 76
Halo Infinite
Last Man Standing
Call of Duty: Warzone and Modern Warfare
Red Dead Redemption 2
DOOM: Eternal
Apex Legends
Grand Theft Auto V
Fortnite

After reading the results these benchmarks and videos, you already be able to figure out which CPU is better to buy for gaming Intel Core i5-2400 or Intel Core i7-6660U.

Summary benchmark results

As a percentage of the maximum value based on a sample from the entire base of all processors
Processor Benchmark

Core i7-6660U

51%

Core i5-2400

51%

Gaming performance
Summary result of all game benchmarks.

Core i7-6660U

51%

Core i5-2400

51%

For the maximum in this test, the results of the most powerful processor in the site database are taken. And of course, this is a server processor, on which no one will play games. Because the cost of this processor reaches several tens of thousands of dollars. Therefore, if you think that the selected CPU has a small game result, just look at the FPS that it produces in real games in the final table below.
List of less popular games in which processors were compared: Counter-Strike: Global Offensive (CS GO), Metro Exodus, Ghostrunner, PlayerUnknown's Battlegrounds (PUBG), Battlefield V, Resident Evil 7 Biohazard, Forza Horizon 4, NBA 2K20, League of Legends (LOL), Horizon Zero Dawn, Hitman 3, Control, Shadow of the Tomb Raider, Monster Hunter World, The Witcher 3: Wild Hunt, Microsoft Flight Simulator, DOTA 2A, Half-Life: Alyx.

Gaming benchmark

Fortnite	90.0	90.5
Valorant	102.3	102.9
Cyberpunk 2077	57.3	57.6
Apex Legends	96.2	96.7
Call of Duty Warzone	76.7	77.2
Overwatch	82.9	83.3
Red Dead Redemption 2	70.6	71.0
DOOM Eternal	51.1	51.4
Warzone	79.8	80.2
Assassin's Creed	85.9	86.4
Valheim	84.9	85.4

The numbers in this table indicate the maximum FPS that was received on the device with the corresponding processor. Depending on the configuration of the computer (RAM size and Video Card) and graphics quality settings (Ultra, Medium, Normal), the results may differ quite significantly. We recommend that you better study the results of the Cinebench, GeekBench and Passmark becnmarks.
The computers participating in the comparing not only were the equipped with different amounts of RAM and different video cards. But users also tested them at different screen resolutions: 2K, 4K or FullHD. Therefore, the game benchmark data is approximate. But all video cards met the average system requirements of games. You will get more accurate information about how powerful the processor will be in games, if you compare it in one assembly with the video card that is installed in your computer.

Power consumption

Core i7-6660U

190%

Core i5-2400

26%

To make a final decision on which processor is better, you should also consider the generation of its core. The newer the processor generation, the better its performance in games and benchmarks, as well as its energy efficiency. In this case the Core i7-6660U is more energy efficient than the Core i5-2400 as it consumes less power: 15W vs. 95W. Power consumption is particularly important for laptops. Also, when choosing a processor cooling system, it will be useful to know its TDP. It is necessary to count so that the TDP data specified in the cooler specification is greater than the TDP of the compared processor.

Software benchmarks

For example you plan to use the processor not only for gaming, but also for machine learning, programming, video rendering or video editing, streaming, then the main parameter for you is its performance in multi-threaded mode. In this mode, to reach maximum performance, the processor uses all cores and threads that it has. You will find out this data from the benchmark tables below. Before using the data from these tests, be sure to find out whether the software that you are going to use on your computer can work in multi-threaded mode. Because there are still many programs that can use only one core to work, and all the advantages of multi-core mode are unused.
Cinebench 23, 20 an 15
The results of this benchmark show Single-threaded and Multi-threaded CPU performance

	Intel Core i7-6660U	Intel Core i5-2400
Cinbench 15 Single-core	91	104
Cinbench 15 Multi-core	448	378
Cinbench 20 Single-core	186	267
Cinbench 20 Multi-core	934	941
Cinbench 23 Single-core	548	635
Cinbench 23 Multi-core	2633	2350

Passmark
This popular benchmark displays Multi-threaded and Single-threaded processor performance

	Intel Core i7-6660U	Intel Core i5-2400
Single-Core	1816	1589
Multi-Core	3856	3799

GeekBench 6, 5.2
This benchmark shows Multi-threaded and Single-threaded processor performance

	Intel Core i7-6660U	Intel Core i5-2400
Single-Core	855	756
Multi-Core	1980	2483

Comparison of specifications

In the specification comparison table, the most helpful will be the release date of the processor and the possibility of overclocking it. The newer the processor, the longer it will last you. And the easier it will be to upgrade the system in the future. The same benefits from the presence of overclocking. When the processor can be overclocked, thereby increasing its performance, then it will continue to maintain maximum FPS in the newest games. It turns out that there is no longer a need to buy a new CPU to enjoy the games any longer. The savings are obvious!

	Intel Core i7-6660U	Intel Core i5-2400
Announcement date	March 07, 2016	October 01, 2010
Type	Laptop	Desktop
Socket	FCBGA1356	LGA1155
Core name	Skylake	Sandy Bridge
Architecture	x86	x86
Generation	6	2
Turbo Frequency	3.4 MHz	3.4 MHz
Frequency	2.4 MHz	3.1 MHz
Cores	2	4
Threads	4	4
Bus rate	4 GT/s	5 GT/s
Bit	64	64
Lithography	14 nm	32 nm
Transistors count	1700 millions	2480 millions
Power consumption (TDP)	15 W	95 W
Memory type	DDR4-2133, LPDDR3-1866, DDR3L-1600	DDR3 1066/1333
Max. Memory	32 Gb	32 Gb
Memory Frequency
Memory bandwidth	34.1 GB/s	21 GB/s
L1 cache
L2 cache
L3 cache	4 MB	6 MB
Overclocking	No	Yes
Supports ECC	No	No
Part number	Expansion Options

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Here Core i5-2400 is 22% better than Core i7-6660U in terms of CPU frequency. Another difference is that Core i5-2400 has 2 more core than Core i7-6660U. Also keep in mind that high CPU frequency affects battery life through power consumption (relevant for laptops).

Result:
The number of parameters for which Intel Core i7-6660U is better: 10
The number of parameters for which Intel Core i5-2400 is better: 22
However, it should be understood that the summary data in the table above do not mean that taking them into account you should entirely trust a simple comparison of these numbers. Be sure to watch the testing video and read the reviews of real owners of Intel Core i7-6660U and Intel Core i5-2400 before making a choice which processor to buy for gaming and which not.

Intel Core i7-6660U - all data

• Cinebench r15 score
• Cinebench r20 score
• Cinebench r23 score
• GeekBench 6, 5.2 score

• Intel Core i7-6660U specs and review.

• Intel Core i5-2400 specs and review.