Intel Core i7-7900X vs Intel Core i5-11600K

Processor comparisons   23-03-2021
   Let's say there are difficulties with the choice of a CPU, you will solve them by reading the full tests Intel Core i7-7900X vs Intel Core i5-11600K and see which is better for games or simple use for programming, video editing, machine learning, streaming, rendering. Here is useful information from different benchmarks or real video editing and streaming tests. A careful review of all the specifications, to make it easier to understand, is made by the table.
   From the comparison video, you can get the results of parallel examination in special testing software like World of Tanks enCore Benchmark, UserBenchmark, Gears 5, AIDA64, MATLAB, Cinebench 23 (20, 15), Blender, Prime95, Handbrake, PCMark 10, 7zip, Dolphin Emulator, WPrime, GeekBench 6, 5.2, VeraCrypt, Furmark, RealBench, Blender, SuperPi, PassMark, 3DMark, DaVinci Resolve Studio.
   Gaming performance of CPUs in:

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

After reading the results these benchmarks and videos, you already be able to figure out which processor is better to buy for gaming Intel Core i5-11600K or Intel Core i7-7900X.

Summary benchmark results

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

Core i7-7900X

55%

Core i5-11600K

56%

The number of this parameter shows the performance of the processors in single-threaded and multi-threaded mode. In this comparison, Core i5-11600K is 1% better than Core i7-7900X. The data source is several popular tests. More detailed information of the benchmarks is below.

Gaming performance
Summary result of all game benchmarks.

Core i7-7900X

57%

Core i5-11600K

54%

The maximum result in this parameter is 100 percent, which is the performance of the most powerful processor currently available. And of course, this is a server processor, on which no one will run games. Because the cost of this processor reaches several tens of thousands of dollars. And if it seems to you 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 other games in which processors were compared: DOTA 2A, Microsoft Flight Simulator, Battlefield V, Monster Hunter World, Ghostrunner, Control, The Witcher 3: Wild Hunt, League of Legends (LOL), Hitman 3, Counter-Strike: Global Offensive (CS GO), PlayerUnknown's Battlegrounds (PUBG), Horizon Zero Dawn, Forza Horizon 4, NBA 2K20, Resident Evil 7 Biohazard, Metro Exodus, Shadow of the Tomb Raider, Half-Life: Alyx.

Gaming benchmark

Fortnite	100.5	95.2
Valorant	114.2	108.1
Cyberpunk 2077	63.9	60.6
Apex Legends	107.3	101.6
Call of Duty Warzone	85.6	81.1
Overwatch	92.5	87.6
Red Dead Redemption 2	78.8	74.6
DOOM Eternal	57.1	54.1
Warzone	89.1	84.3
Assassin's Creed	95.9	90.8
Valheim	94.8	89.7

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 that were in the comparisons not only did they have different amounts of RAM and different video cards. But users also tested them at different screen resolutions: 2K, FullHD or 4K. 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 i7-7900X

32%

Core i5-11600K

43%

To make a finishing resolution on which processor is better, you should also consider the generation of its core. It is clear that the newer the generation, the better the performance of the processor in games and benchmarks, as well as its energy efficiency. In this case the Core i5-11600K is more energy efficient than the Core i7-7900X since it has less power consumption: 140W vs. 125W. Power consumption is especially important for laptops. And TDP should be taken into account when choosing a processor cooling system. You need to buy a cooler that has the TDP data specified in the specification was 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 streaming, machine learning, programming, video editing or video rendering, then the main parameter for you is its performance in multi-threaded mode. In this mode, to achieve maximum efficiency, the CPU includes all cores and threads that it has. You will find out this data from the benchmark tables below. Before you take into account the data from these tests, be sure to check whether the software you are going to use on your computer supports 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 i7-7900X	Intel Core i5-11600K
Cinbench 15 Single-core	225	199
Cinbench 15 Multi-core	2318	1905
Cinbench 20 Single-core	518	465
Cinbench 20 Multi-core	5234	4270
Cinbench 23 Single-core	1295	1213
Cinbench 23 Multi-core	12538	11302

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

	Intel Core i7-7900X	Intel Core i5-11600K
Single-Core	2583	2707
Multi-Core	19299	20616

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

	Intel Core i7-7900X	Intel Core i5-11600K
Single-Core	1370	1621
Multi-Core	12235	7012

Comparison of specifications

In the specification comparison table, the processor release date and overclocking capability will be the most useful. 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 can be said about overclocking. If the processor can be overclocked, increasing its performance, then it will still be able to produce maximum FPS even in the newest games. Accordingly, you do not need to buy a new CPU to enjoy the games any longer. The savings are obvious!

	Intel Core i7-7900X	Intel Core i5-11600K
Announcement date	April 01, 2017	January 20, 2021
Type	Desktop	Desktop
Socket	FCLGA2066	FCLGA1200
Core name	Skylake	Rocket Lake
Architecture	x86	x86
Generation	7	11
Turbo Frequency	4.3 MHz	4.9 MHz
Frequency	3.3 MHz	3.9 MHz
Cores	10	6
Threads	20	12
Bus rate	8 GT/s	8 GT/s
Bit	64	64
Lithography	14 nm	14 nm
Transistors count	8400 millions	5400 millions
Power consumption (TDP)	140 W	125 W
Memory type	DDR4-2666	DDR4-3200
Max. Memory	128 Gb	128 Gb
Memory Frequency		3200
Memory bandwidth	85 GB/s	50 GB/s
L1 cache
L2 cache		3 MB
L3 cache	13.75 MB	12 MB
Overclocking	No	No
Supports ECC	No	No
Part number

In this comparison block, you should pay attention to the differences in clock speed and the number of cores. Here Core i5-11600K is 15% better than Core i7-7900X in terms of CPU frequency. Another difference is that Core i7-7900X has 4 more core than Core i5-11600K. 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 i7-7900X is better: 23
The number of parameters for which Intel Core i5-11600K is better: 10
However, it should be understood that the summary data in the table above do not mean that you should be guided entirely by them and trust a simple comparison of these figures. Better to watch benchmarks video and read the opinion of of people who bought Intel Core i7-7900X and Intel Core i5-11600K before deciding which CPU to buy for gaming and which not.

Intel Core i7-7900X - all data

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

• Intel Core i7-7900X specs and review.

• Intel Core i5-11600K specs and review.