intel core i9 12900kf vs intel core i5 12400f

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We compared two CPUs Intel Core i9 12900KF (Desktop) 16-cores against Intel Core i5 12400F (Desktop) 6-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved

Key Differences

What are the key differences between Intel Core i9 12900KF and Intel Core i5 12400F
Advantages of Intel Core i9 12900KF
  • Has 10 more physical cores
  • Has 12 MB larger L3 cache size
  • 15% higher Turbo Boost frequency (5.2 GHz vs 4.4 GHz)
  • Unlocked multiplier
Advantages of Intel Core i5 12400F
  • Newer released 1 years later
  • Consumes up to 48% less energy than the Intel Core i9 12900KF – 65 vs 125 Watt

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
27409
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
41320
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)

Specifications

Full technical specification of core i9 12900kf and core i5 12400f

General

Intel Core i9 12900KF Intel Core i5 12400F
Vendor Intel Intel
Released October 27 2021 January 4 2022
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake, Golden Cove, Gracemont Alder Lake-S
Socket FCLGA1700 FCLGA1700
Integrated GPU

Performance

Intel Core i9 12900KF Intel Core i5 12400F
Cores 16 6
Threads 24 12
Base Frequency 3.2 GHz 2.5 GHz
Turbo Boost Frequency 5.2 GHz 4.4 GHz
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1.25 MB (per core) 1.25 MB (per core)
L3 Cache 30 MB (shared) 18 MB (shared)
Unlocked Multiplier Yes No

Power

Intel Core i9 12900KF Intel Core i5 12400F
Fabrication process Intel 7 nm Intel 7 nm
Power consumption (TDP) 125 W 65 W
Max. temperature 100°C 100°C

Memory support

Intel Core i9 12900KF Intel Core i5 12400F
Memory types DDR5-4800, DDR4-3200 DDR5-4800, DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 76.8 GB/s
ECC Support No No

iGPU

Misc

Intel Core i9 12900KF Intel Core i5 12400F
Official site Intel Core i9 12900KF official page Intel Core i5 12400F official page
PCI Express Version
PCI Express Lanes 20 20

Comments

So which CPU will you choose: Intel Core i5 12400F or Intel Core i9 12900KF?