Intel Core i9 12900KF vs i7 12700KF

We compared two desktop CPUs: the 3.2 GHz Intel Core i9 12900KF with 16-cores against the 3.6 GHz i7 12700KF with 12-cores. On this page, you'll find out which processor has better performance in benchmarks, games 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
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 12700KF and 12900KF
Advantages of Intel Core i9 12900KF
  • Has 4 more physical cores
  • Has 5 MB larger L3 cache size
  • 4% higher Turbo Boost frequency (5.2 GHz vs 5 GHz)

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
27168
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
40511
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
17647
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Specifications

Full technical specification of Intel Core i9 12900KF and i7 12700KF

General

Vendor Intel Intel
Released October 27, 2021 October 27, 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake-S Alder Lake-S
Model number i9-12900KF i7-12700KF
Socket LGA-1700 LGA-1700
Integrated GPU No No

Performance

Cores 16 12
Threads 24 20
Base Frequency 3.2 GHz 3.6 GHz
Turbo Boost Frequency 5.2 GHz 5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 32x 36x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 14MB (shared) 12MB (shared)
L3 Cache 30MB (shared) 25MB (shared)
Unlocked Multiplier Yes Yes

Power

Fabrication process 10 nm 10 nm
TDP 125 W 125 W
Max. temperature 100°C 100°C

Memory support

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 Yes Yes

Misc

Official site Intel Core i9 12900KF official page Intel Core i7 12700KF official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
22 (18.6%)
96 (81.4%)
Total votes: 118

Comments

So which CPU will you choose: Intel Core i7 12700KF or i9 12900KF?
Avatar
Hammercannon 10 December 2021 23:54
I chose the 12700kf, it's a beast for gaming and productivity and windows 11 hasn't caused any issues yet for me. amazing for gaming
+11 Reply
Avatar
Andrei 02 April 2022 10:45
What ram do you use?
+8 Reply
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