Intel Core i9 12900K vs i5 12600K

We compared two desktop CPUs: the 3,2 GHz Intel Core i9 12900K with 16-cores against the 3.7 GHz i5 12600K with 10-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
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click β€œCalculate".
Currency
VS
62.2
(Average)
Value Index
84.4
(Good)

Key Differences

What are the key differences between 12600K and 12900K
Advantages of Intel Core i9 12900K
  • Has 6 more physical cores
  • Has 10 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • 4% higher Turbo Boost frequency (5.1 GHz vs 4.9 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (63rd and 167th place)

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
17003
File compression 1260 MB/sec 822.6 MB/sec
Clang compilation 146.1 Klines/sec 98.7 Klines/sec
HTML 5 Browser 414.2 pages/sec 261.1 pages/sec
PDF Renderer 480.2 Mpixels/sec 347.9 Mpixels/sec
Text processing 273.2 pages/sec 258.5 pages/sec
Background blur 69.4 images/sec 58.9 images/sec
Photo processing 147.8 images/sec 103.5 images/sec
Ray tracing 34.4 Mpixels/sec 22.8 Mpixels/sec
Sources: GeekBench [1], [2] – 461 & 768 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
41115
Integer math 139.2 GOps/sec 87.8 GOps/sec
Floating point math 105.4 GOps/sec 67.1 GOps/sec
Find prime numbers 145M Primes/sec 90M Primes/sec
Random string sorting 57.1M Strings/sec 35.7M Strings/sec
Data encryption 29.5 GBytes/sec 18.4 GBytes/sec
Data compression 536.7 MBytes/sec 342.8 MBytes/sec
Physics 2203 Frames/sec 1515 Frames/sec
Extended instructions 33.6B Matrices/sec 22B Matrices/sec
Sources: PassMark [3], [4] – 11364 & 7007 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
366.86

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 12.2 PPW 7.6 PPW
Geekbench 6 Multi / Watt 136 PPW 97.6 PPW
Passmark CPU Mark / Watt 328.9 PPW 220.1 PPW
Blender / Watt 2.93 PPW 1.88 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core i9 12900K
DateBenchmarkResult
πŸ“˜ 2025-11-12 (ElNils)Cinebench 2024114 / 1497
πŸ“˜ 2025-09-20 (Jarx)Geekbench 6 CPU2811 / 18033
πŸ“˜ 2025-05-24 (unsorted)Cinebench 2024109 / 1339
πŸ“˜ 2025-04-03 (AdKraemer)Cinebench 2024113 / 1414
πŸ“˜ 2025-03-20 (Lethal)Cinebench 2024116 / 1571
Intel Core i5 12600K
DateBenchmarkResult
πŸ“˜ 2025-12-28 (Jin)Cinebench 2024108 / 910
πŸ“˜ 2025-12-28 (Jin)Cinebench 2024108 / 906
πŸ“˜ 2025-12-20 (Kierannosaurus)Geekbench 6 CPU2668 / 12254
πŸ“˜ 2025-12-20 (Kierannosaurus)Cinebench 2024118 / 1041
πŸ“˜ 2025-12-05 (Kierannosaurus)Cinebench 2024115 / 1017

Specifications

Full technical specification of Intel Core i9 12900K and i5 12600K

General

Vendor Intel Intel
Released October 27, 2021 October 27, 2021
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Alder Lake Alder Lake
Model number i9-12900K i5-12600K
Integrated GPU UHD Graphics 770 UHD Graphics 770
Rival Equivalent - AMD Ryzen 9 5950X - AMD Ryzen 5 5600X
Successor - Intel Core Ultra 9 285K - Intel Core Ultra 5 250K Plus
Intel CPU rating (53rd and 96th place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 16 12
Base Frequency (P) 3,2 GHz 3.7 GHz
Turbo Boost Frequency (P) 5.1 GHz 4.9 GHz
Efficient Cores
E-Cores 8 4
E-Threads 8 4
Base Frequency (E) 2.4 GHz 2.8 GHz
Turbo Boost Frequency (E) 3.9 GHz 3.6 GHz
Total
Total Cores 16 10
Total Threads 24 16
Bus Frequency 100 MHz 100 MHz
Multiplier 32x 37x
L1 Cache 64K (per core) 80K (per core)
L2 Cache 14MB (shared) 9728K (shared)
L3 Cache 30MB (shared) 20MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 10 nm 10 nm
TDP (PL1) 125 W 125 W
Max. Boost TDP (PL2) 241 W 150 W
Socket LGA-1700 LGA-1700
Peak Temperature 100Β°C 100Β°C
Desktop CPU ranking (54th and 86th place)

iGPU

Integrated Graphics Intel UHD Graphics 770 Intel UHD Graphics 770
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1550 MHz 1450 MHz
Shading Units 256 256
TMUs 16 16
ROPs 8 8
Execution Units 32 32
TGP 15 W 15 W
iGPU FLOPS
0.8 TFLOPS
0.7 TFLOPS

Memory Support

Memory Types - DDR5-4800
- DDR4-3200
- DDR5-4800
- DDR4-3200
Max. Memory Size 128 GB 128 GB
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 12900K official page Intel Core i5 12600K official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
59 (30.4%)
135 (69.6%)
Total votes: 194

Comments

So which CPU will you choose: Intel Core i5 12600K or i9 12900K?
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Avatar
im not givin out my name May 2, 2022 at 04:52 PM
since most games use 6 cores, and the 12600k runs a lot cooler, it's possible for BETTER performance with overclocking (sometimes, only for stuff with 1-6 core workload).
+13 Reply