intel core i9 12900kf vs intel core i9 11900kf

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We compared two CPUs Intel Core i9 12900KF (Desktop) 16-cores against Intel Core i9 11900KF (Desktop) 8-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 i9 11900KF
Advantages of Intel Core i9 12900KF
  • Newer released 0 years later
  • Has 8 more physical cores
  • Around 26.8 GB/s (35%) higher theoretical memory bandwidth
  • Has 14 MB larger L3 cache size
  • More modern manufacturing process – 7 versus 14
Advantages of Intel Core i9 11900KF

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)
17530

Specifications

Full technical specification of core i9 12900kf and core i9 11900kf

General

Intel Core i9 12900KF Intel Core i9 11900KF
Vendor Intel Intel
Released October 27 2021 March 16 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake, Golden Cove, Gracemont Rocket Lake
Socket FCLGA1700 FCLGA1200
Integrated GPU

Performance

Intel Core i9 12900KF Intel Core i9 11900KF
Cores 16 8
Threads 24 16
Base Frequency 3.2 GHz 3.5 GHz
Turbo Boost Frequency 5.2 GHz 5.2 GHz
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1.25 MB (per core) 256K (per core)
L3 Cache 30 MB (shared) 16 MB (shared)
Unlocked Multiplier Yes Yes

Power

Intel Core i9 12900KF Intel Core i9 11900KF
Fabrication process Intel 7 nm 14 nm
Power consumption (TDP) 125 W 125 W
Max. temperature 100°C 100°C

Memory support

Intel Core i9 12900KF Intel Core i9 11900KF
Memory types DDR5-4800, DDR4-3200 DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 50 GB/s
ECC Support No No

iGPU

Misc

Intel Core i9 12900KF Intel Core i9 11900KF
Official site Intel Core i9 12900KF official page Intel Core i9 11900KF official page
PCI Express Version 4
PCI Express Lanes 20 20

Comments

So which CPU will you choose: Intel Core i9 11900KF or Intel Core i9 12900KF?