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Intel Core i3-10100 vs Intel Core i5-12400

Last updated: 2026-07-01

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 67 %

Intel Core i3-10100

Rank 1 - 100 %

Intel Core i5-12400

Multi-core performance

Rank 2 - 47 %

Intel Core i3-10100

Rank 1 - 100 %

Intel Core i5-12400

Cinebench 2024 Single-Core
Single-core performance

4C / 8T · 4.30 GHz

64 pts

6C / 12T · 4.40 GHz

102 pts

Cinebench 2024 Multi-Core
Multi-core performance

4C / 8T · 4.30 GHz

295 pts

6C / 12T · 4.40 GHz

701 pts

Cinebench R23 Single-Core
Single-core performance

4C / 8T · 4.30 GHz

1,141 pts

6C / 12T · 4.40 GHz

1,623 pts

Cinebench R23 Multi-Core
Multi-core performance

4C / 8T · 4.10 GHz

5,612 pts

6C / 12T · 4.00 GHz

12,454 pts

Geekbench 6 Single-Core
Single-core performance

4C / 8T · 4.30 GHz

1,446

6C / 12T · 4.40 GHz

2,181

Geekbench 6 Multi-Core
Multi-core performance

4C / 8T · 4.10 GHz

4,769

6C / 12T · 4.00 GHz

8,820

Cinebench R20 Single-Core
Single-core performance

4C / 8T · 4.30 GHz

448 cb

6C / 12T · 4.40 GHz

664 cb

Geekbench 5, 64bit Single-Core
Single-core performance

4C / 8T · 4.30 GHz

1,135

6C / 12T · 4.40 GHz

1,647

Cinebench R20 Multi-Core
Multi-core performance

4C / 8T · 4.10 GHz

2,284 cb

6C / 12T · 4.00 GHz

4,784 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 8T · 4.10 GHz

4,365

6C / 12T · 4.00 GHz

9,451

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel UHD Graphics 630

422

Intel UHD Graphics 730

557

Blender 3.1 Benchmark
Multi-core performance

4C / 8T · 4.10 GHz

6C / 12T · 4.00 GHz

170

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

4C / 8T · 3.60 GHz

2,415

6C / 12T · 2.50 GHz

4,737

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

3DMark Timespy (iGPU)
534 entries

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

CPU performance per watt (efficiency)
140 entries

Specifications

At a glance

Wischen	Intel Core i3-10100	Intel Core i5-12400
Family	Intel Core i3 (205)	Intel Core i5 (336)
CPU group	Intel Core i 10000 (43)	Intel Core i 12000 (34)
Architecture	Comet Lake S	Alder Lake S
Technology	14 nm	10 nm
Segment	Desktop	Desktop
Socket	LGA 1200	LGA 1700
Predecessor	Intel Core i3-9100	Intel Core i5-11400
Successor		Intel Core i5-13400

CPU Cores and Base Frequency

Wischen	Intel Core i3-10100	Intel Core i5-12400
CPU Cores / Threads	4 / 8	6 / 12
Hyperthreading / SMT	✓	✓
Core architecture	normal	normal
Cores:	4x	6x Golden Cove
Frequency:	3.60 GHz	2.50 GHz
Turbo (1 Core):	4.30 GHz	4.40 GHz
Turbo (All Cores):	4.10 GHz	4.00 GHz
L2-Cache		7.50 MB
L3-Cache	6.00 MB	18.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i3-10100	Intel Core i5-12400
GPU name	Intel UHD Graphics 630	Intel UHD Graphics 730
GPU frequency	0.35 - 1.10 GHz	0.30 - 1.45 GHz
CUs / Shader	24 / 192	24 / 192
Raytracing	✗	✗
Max. displays	3	3
Max. GPU Memory	64 GB	64 GB
Technology	14 nm	14 nm
Release date	Q4/2017	Q1/2021

NPU AI performance

Wischen	Intel Core i3-10100	Intel Core i5-12400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i3-10100	Intel Core i5-12400
Memory	DDR4-2666 (42.7 GB/s)	DDR5-4800 (76.8 GB/s) DDR4-3200 (51.2 GB/s)
Max. Memory	128 GB	128 GB
Memory channels	2	2
ECC	No	No
PCIe	3.0 x 16	5.0 x 20
PCIe Bandwidth	15.8 GB/s	78.8 GB/s

Thermal Management

Wischen	Intel Core i3-10100	Intel Core i5-12400
TDP	65 W	65 W
TDP (PL2)		117 W
TDP up
TDP down
T. junction max.	100 °C	100 °C

Technical details

Wischen	Intel Core i3-10100	Intel Core i5-12400
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Windows 11, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX2	SSE4.1, SSE4.2, AVX2, AVX2+
Release date	Q2/2020	Q1/2022
Release price	134 $	192 $
Documents	Technical data sheet	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i3-10100 is 4.0 stars (79 ratings), while Intel Core i5-12400 has received 4.4 stars (181 ratings).

Click on the stars to rate one or both processors.

Intel Core i3-10100
4C / 8T · 3.60 - 4.30 GHz

★★★★★

Intel Core i5-12400
6C / 12T · 2.50 - 4.40 GHz

★★★★★