Intel Core i9 10900K vs i5 12600K

We compared two 10-core desktop CPUs: the 3.7 GHz Intel Core i9 10900K against the 3.7 GHz i5 12600K. 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 12600K and 10900K
Advantages of Intel Core i9 10900K
  • 8% higher Turbo Boost frequency (5.3 GHz vs 4.9 GHz)
Advantages of Intel Core i5 12600K
  • Newer - released 1-year and 6-months later
  • Around 31 GB/s (68%) higher theoretical memory bandwidth
  • Newer PCI Express version – 5.0
  • More modern manufacturing process – 10 versus 14 nanometers
  • 40% faster in a single-core Geekbench v5 test - 1892 vs 1355 points


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 i9 10900K and i5 12600K


Vendor Intel Intel
Released May 1, 2020 October 27, 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Comet Lake Alder Lake-S
Model number i9-10900K i5-12600K
Socket LGA-1200 LGA-1700
Integrated GPU UHD Graphics 630 UHD Graphics 770


Cores 10 10
Threads 20 16
Base Frequency 3.7 GHz 3.7 GHz
Turbo Boost Frequency 5.3 GHz 4.9 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 37x 37x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 9728K (shared)
L3 Cache 20MB (shared) 20MB (shared)
Unlocked Multiplier Yes Yes


Fabrication process 14 nm 10 nm
TDP 125 W 125 W
Max. temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics 630 Intel UHD Graphics 770
GPU Base Clock 350 MHz 300 MHz
GPU Boost Clock 1200 MHz 1450 MHz
Shading Units 192 256
TMUs 24 16
ROPs 3 8
Execution Units 24 32
TGP 15 W 15 W
Max. Resolution 4096x2304 - 60 Hz -

Memory support

Memory types DDR4-2933 DDR5-4800, DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 45.8 GB/s 76.8 GB/s
ECC Support No Yes


Official site Intel Core i9 10900K official page Intel Core i5 12600K official page
PCI Express Version 3.0 5.0
PCI Express Lanes 16 20

Cast your vote

Choose between two processors
13 (12.7%)
89 (87.3%)
Total votes: 102


So which CPU will you choose: Intel Core i5 12600K or i9 10900K?
Jacob 16 December 2021 17:19
Well, it depends upon the price for which u get it like at the Microcenter you can get 10900k for like 200 bucks.
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