Intel Core i9-11900KB vs Intel Core i7-11700KF

Processor comparisons 12-06-2021

   You may have difficulties with the choice of a CPU, you will solve them by reading the detailed tests Intel Core i9-11900KB vs Intel Core i7-11700KF and see which is better for games or normal use for rendering, video editing, programming, machine learning, streaming. Here is useful information from different benchmarks or real video editing and streaming tests. A thorough analysis of all the specifications, to make it easier to understand, is summarized in the table.
   From the video comparison, you can get the results of joint testing in special test applications like Handbrake, SuperPi, AIDA64, VeraCrypt, MATLAB, WPrime, Prime95, GeekBench 6, 5.2, 3DMark, 7zip, UserBenchmark, RealBench, DaVinci Resolve Studio, Gears 5, PassMark, Blender, Blender, World of Tanks enCore Benchmark, PCMark 10, Dolphin Emulator, Cinebench 23 (20, 15), Furmark.
   Gaming performance of CPUs in:

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

After looking at the data of joint benchmarks and videos, you can already make an briefed decision about which processor is better to buy for gaming Intel Core i7-11700KF or Intel Core i9-11900KB.

Summary benchmark results

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

Core i9-11900KB

58%

Core i7-11700KF

58%

Gaming performance
Summary result of all game benchmarks.

Core i9-11900KB

57%

Core i7-11700KF

56%

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: Microsoft Flight Simulator, PlayerUnknown's Battlegrounds (PUBG), Horizon Zero Dawn, DOTA 2A, Ghostrunner, Half-Life: Alyx, The Witcher 3: Wild Hunt, Hitman 3, Monster Hunter World, Shadow of the Tomb Raider, Counter-Strike: Global Offensive (CS GO), Forza Horizon 4, Metro Exodus, NBA 2K20, League of Legends (LOL), Battlefield V, Resident Evil 7 Biohazard, Control.

Gaming benchmark

Fortnite	101.4	99.1
Valorant	115.2	112.6
Cyberpunk 2077	64.5	63.1
Apex Legends	108.3	105.9
Call of Duty Warzone	86.4	84.5
Overwatch	93.3	91.2
Red Dead Redemption 2	79.5	77.7
DOOM Eternal	57.6	56.3
Warzone	89.9	87.9
Assassin's Creed	96.8	94.6
Valheim	95.6	93.5

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: 4K, 2K or FullHD. So 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 get acquainted with the benchmarks that are made with the same video card that is installed in your computer.

Power consumption

Core i9-11900KB

104%

Core i7-11700KF

47%

To make a finishing resolution 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 i9-11900KB is more energy efficient than the Core i7-11700KF as it consumes less power: 65W vs. 125W. Power consumption is particularly important for laptops. And TDP should be taken into account when choosing a processor cooling system. 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

Let's say you want to use the processor not only for gaming, but also for programming, machine learning, streaming, video rendering or video editing, then first of all you need to pay attention to the performance in multi-threaded mode. In this mode, to achieve maximum efficiency, the processor includes 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 program 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 run, and all the benefit 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 i9-11900KB	Intel Core i7-11700KF
Cinbench 15 Single-core	296	259
Cinbench 15 Multi-core	2680	2482
Cinbench 20 Single-core	662	606
Cinbench 20 Multi-core	5957	5562
Cinbench 23 Single-core	1720	1580
Cinbench 23 Multi-core	17143	14720

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

	Intel Core i9-11900KB	Intel Core i7-11700KF
Single-Core	3955	3526
Multi-Core	29307	26855

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

	Intel Core i9-11900KB	Intel Core i7-11700KF
Single-Core	2041	1793
Multi-Core	13142	10909

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 later. The same can be said about overclocking. If the processor can be overclocked, increasing its performance, then it will continue to maintain maximum FPS in new games. Accordingly, there is no longer a need to buy a new CPU to enjoy the games any longer. The savings are obvious!

	Intel Core i9-11900KB	Intel Core i7-11700KF
Announcement date	February 21, 2021	January 20, 2021
Type	Desktop	Desktop
Socket	FCBGA1787	FCLGA1200
Core name	Tiger Lake	Rocket Lake-S
Architecture	x86	x86
Generation	11	11
Turbo Frequency	5.3 MHz	5 MHz
Frequency	3.3 MHz	3.6 MHz
Cores	8	8
Threads	16	16
Bus rate	8 GT/s	12 GT/s
Bit	64	64
Lithography	10 nm	14 nm
Transistors count	9800 millions	8200 millions
Power consumption (TDP)	65 W	125 W
Memory type	Up to 3200 MT/s	DDR4-3200
Max. Memory	128 Gb	128 Gb
Memory Frequency	3200	3200
Memory bandwidth	45.8 GB/s	64 GB/s
L1 cache
L2 cache	4 MB	4 MB
L3 cache	24 MB	16 MB
Overclocking	No	Yes
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 i7-11700KF is 8% better than Core i9-11900KB in terms of CPU frequency. 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 i9-11900KB is better: 28
The number of parameters for which Intel Core i7-11700KF is better: 3
Although it should be realized that all the figures in the text above do not mean that taking them into account you should completely trust a simple comparison of these numbers. Be sure to watch benchmarks video and read the opinion of real owners of Intel Core i9-11900KB and Intel Core i7-11700KF before deciding which CPU to buy for gaming and which not.

Intel Core i9-11900KB - all data

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

• Intel Core i9-11900KB specs and review.

• Intel Core i7-11700KF specs and review.