Intel Core i9 10900K vs i7 12700K

We compared two desktop CPUs: the 3.7 GHz Intel Core i9 10900K with 10-cores against the 3.6 GHz i7 12700K with 12-cores. 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 12700K and 10900K
Advantages of Intel Core i9 10900K
  • 8% higher Turbo Boost frequency (5.3 GHz vs 4.9 GHz)
Advantages of Intel Core i7 12700K
  • Newer - released 1-year and 7-months later
  • Around 31 GB/s (68%) higher theoretical memory bandwidth
  • Newer PCI Express version – 5.0
  • 57% faster in a single-core Geekbench v5 test - 2096 vs 1336 points
  • More modern manufacturing process – 10 versus 14 nanometers
  • Has 5 MB larger L3 cache size
  • Has 2 more physical cores


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 i7 12700K


Vendor Intel Intel
Released May 1, 2020 October 27, 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Comet Lake Alder Lake
Model number i9-10900K i7-12700K
Integrated GPU UHD Graphics 630 UHD Graphics 770


Performance Cores
P-Cores 10 8
P-Threads 20 16
Base Frequency (P) 3.7 GHz 3.6 GHz
Turbo Boost Frequency (P) 5.3 GHz 4.9 GHz
Efficient Cores
E-Cores - 4
E-Threads - 4
Base Frequency (E) - 2.7 GHz
Turbo Boost Frequency (E) - 3.8 GHz
Total Cores 10 12
Total Threads 20 20
Bus Frequency 100 MHz 100 MHz
Multiplier 37x 36x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 80K (per core)
L2 Cache 256K (per core) 12MB (shared)
L3 Cache 20MB (shared) 25MB (shared)
Unlocked Multiplier Yes Yes


Fabrication process 14 nm 10 nm
Socket LGA-1200 LGA-1700
TDP 125 W 125 W
Max. Boost TDP - 190 W
Peak 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 1500 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 i7 12700K official page
PCI Express Version 3.0 5.0
PCI Express Lanes 16 20

Cast your vote

Choose between two processors
11 (15.1%)
62 (84.9%)
Total votes: 73


So which CPU will you choose: Intel Core i7 12700K or i9 10900K?