Intel Core i5 11400F vs i5 10400F

We compared two 6-core desktop CPUs: the 2.6 GHz Intel Core i5 11400F against the 2.9 GHz i5 10400F. 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 10400F and 11400F
Advantages of Intel Core i5 11400F
  • Newer - released 11-months later
  • 40% faster in a single-core Geekbench v5 test - 1543 vs 1106 points
  • Newer PCI Express version – 4.0
  • Around 8.4 GB/s (20%) higher theoretical memory bandwidth
  • 2% higher Turbo Boost frequency (4.4 GHz vs 4.3 GHz)


Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Full technical specification of Intel Core i5 11400F and i5 10400F


Vendor Intel Intel
Released March 16, 2021 May 1, 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Rocket Lake Comet Lake
Model number i5-11400F i5-10400F
Socket LGA-1200 LGA-1200
Integrated GPU No No


Cores 6 6
Threads 12 12
Base Frequency 2.6 GHz 2.9 GHz
Turbo Boost Frequency 4.4 GHz 4.3 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 26x 29x
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 12MB (shared) 12MB (shared)
Unlocked Multiplier No No


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

Memory support

Memory types DDR4-3200 DDR4-2666
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 50 GB/s 41.6 GB/s
ECC Support No No


Official site Intel Core i5 11400F official page Intel Core i5 10400F official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
451 (77.5%)
131 (22.5%)
Total votes: 582


So which CPU will you choose: Intel Core i5 10400F or i5 11400F?