Intel Core i5 12400 vs i3 12100

We compared two desktop CPUs: the 2.5 GHz Intel Core i5 12400 with 6-cores against the 3.3 GHz i3 12100 with 4-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 12100 and 12400
Advantages of Intel Core i5 12400
  • Has 2 more physical cores
  • Has 6 MB larger L3 cache size
  • 2% higher Turbo Boost frequency (4.4 GHz vs 4.3 GHz)
Advantages of Intel Core i3 12100
  • Consumes up to 8% less energy than the Core i5 12400 – 60 vs 65 Watt


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 i5 12400 and i3 12100


Vendor Intel Intel
Released January 4, 2022 January 4, 2022
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake-S Alder Lake-S
Model number i5-12400 i3-12100
Socket LGA-1700 LGA-1700
Integrated GPU UHD Graphics 730 UHD Graphics 730


Cores 6 4
Threads 12 8
Base Frequency 2.5 GHz 3.3 GHz
Turbo Boost Frequency 4.4 GHz 4.3 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 25x 33x
L1 Cache 80K (per core) 80K (per core)
L2 Cache 1280K (per core) 1280K (per core)
L3 Cache 18MB (shared) 12MB (shared)
Unlocked Multiplier No No


Fabrication process 10 nm 10 nm
TDP 65 W 60 W
Max. temperature 100°C 100°C


Integrated Graphics Intel UHD Graphics 730 Intel UHD Graphics 730
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1450 MHz 1400 MHz
Shading Units 192 192
TMUs 48 48
ROPs 24 24
Execution Units 24 24
TGP 15 W 15 W
Max. Resolution 3840x2160 - 60 Hz 3840x2160 - 60 Hz

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 No No


Official site Intel Core i5 12400 official page Intel Core i3 12100 official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
71 (30%)
166 (70%)
Total votes: 237


So which CPU will you choose: Intel Core i3 12100 or i5 12400?