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Intel Core i9 11900KF vs i9 10900F

We compared two desktop CPUs: the 3.5 GHz Intel Core i9 11900KF with 8-cores against the 2.8 GHz i9 10900F with 10-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 10900F and 11900KF
Advantages of Intel Core i9 11900KF
  • Newer - released 11-months later
  • Unlocked multiplier
  • 40% faster in a single-core Geekbench v5 test - 1847 vs 1320 points
  • Newer PCI Express version – 4.0
  • Around 4.2 GB/s (9%) higher theoretical memory bandwidth
  • 2% higher Turbo Boost frequency (5.3 GHz vs 5.2 GHz)
Advantages of Intel Core i9 10900F
  • Consumes up to 48% less energy than the Core i9 11900KF – 65 vs 125 Watt
  • Has 2 more physical cores
  • Has 4 MB larger L3 cache size


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of Intel Core i9 11900KF and i9 10900F


Vendor Intel Intel
Released March 16, 2021 May 1, 2020
Launch price 513 USD 422 USD
Type Desktop Desktop
Codename Rocket Lake Comet Lake
Model number i9-11900KF i9-10900F
Socket BGA-1200 BGA-1200
Integrated GPU No No


Cores 8 10
Threads 16 20
Base Frequency 3.5 GHz 2.8 GHz
Turbo Boost Frequency 5.3 GHz 5.2 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 35x 28x
Bus Bandwidth 8 GT/s 8 GT/s
L1 Cache 64K (per core) 64K (per core)
L2 Cache 512K (per core) 256K (per core)
L3 Cache 16MB (shared) 20MB (shared)
Unlocked Multiplier Yes No


Fabrication process 14 nm 14 nm
TDP 125 W 65 W
Max. temperature 100°C 100°C

Memory support

Memory types DDR4-3200 DDR4-2933
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 50 GB/s 45.8 GB/s
ECC Support No No


Official site Intel Core i9 11900KF official page Intel Core i9 10900F official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 16

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So which CPU will you choose: Intel Core i9 10900F or i9 11900KF?