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Intel Core i5-6400 vs Intel Celeron J4125

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 1 - 100 %

Intel Core i5-6400

Rank 2 - 47 %

Intel Celeron J4125

Multi-core performance

Rank 1 - 100 %

Intel Core i5-6400

Rank 2 - 55 %

Intel Celeron J4125

Geekbench 6 Single-Core
Single-core performance

4C / 4T · 3.30 GHz

1,134

4C / 4T · 2.70 GHz

411

Geekbench 6 Multi-Core
Multi-core performance

4C / 4T · 3.00 GHz

3,086

4C / 4T · 2.70 GHz

1,276

Cinebench R20 Single-Core
Single-core performance

4C / 4T · 3.30 GHz

275 cb

4C / 4T · 2.70 GHz

192 cb

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

4C / 4T · 3.30 GHz

841

4C / 4T · 2.70 GHz

482

Cinebench R20 Multi-Core
Multi-core performance

4C / 4T · 3.00 GHz

1,061 cb

4C / 4T · 2.70 GHz

675 cb

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

4C / 4T · 3.00 GHz

2,706

4C / 4T · 2.70 GHz

1,632

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel HD Graphics 530

365

Intel UHD Graphics 600

144

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

4C / 4T · 2.70 GHz

1,360

4C / 4T · 2.00 GHz

807

Cinebench R15 (Single-Core)
Single-core performance

4C / 4T · 3.30 GHz

140 cb

4C / 4T · 2.70 GHz

79 cb

Cinebench R15 (Multi-Core)
Multi-core performance

4C / 4T · 3.00 GHz

497 cb

4C / 4T · 2.70 GHz

296 cb

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 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

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 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

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Core i5-6400	Intel Celeron J4125
Family	Intel Core i5 (336)	Intel Celeron (165)
CPU group	Intel Core i 6000 (24)	Intel Celeron J4000/N4000/N5000 (11)
Architecture	Skylake S	Gemini Lake
Technology	14 nm	14 nm
Segment	Desktop	Notebook
Socket	LGA 1151	BGA 1090
Predecessor
Successor	Intel Core i5-7400

CPU Cores and Base Frequency

Wischen	Intel Core i5-6400	Intel Celeron J4125
CPU Cores / Threads	4 / 4	4 / 4
Hyperthreading / SMT	✗	✗
Core architecture	normal	normal
Cores:	4x	4x
Frequency:	2.70 GHz	2.00 GHz
Turbo (1 Core):	3.30 GHz	2.70 GHz
Turbo (All Cores):	3.00 GHz	2.70 GHz
L2-Cache
L3-Cache	6.00 MB	4.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core i5-6400	Intel Celeron J4125
GPU name	Intel HD Graphics 530	Intel UHD Graphics 600
GPU frequency	0.35 - 0.95 GHz	0.25 - 0.75 GHz
CUs / Shader	24 / 192	12 / 96
Raytracing	✗	✗
Max. displays	3	3
Max. GPU Memory	32 GB	8 GB
Technology	14 nm	14 nm
Release date	Q3/2015	Q4/2017

NPU AI performance

Wischen	Intel Core i5-6400	Intel Celeron J4125
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i5-6400	Intel Celeron J4125
Memory	DDR4-2133 (34.1 GB/s) DDR3-1600 (25.6 GB/s)	DDR4-2400 (38.4 GB/s)
Max. Memory	64 GB	8 GB
Memory channels	2	2
ECC	No	No
PCIe	3.0 x 16	2.0 x 6
PCIe Bandwidth	15.8 GB/s	3.0 GB/s

Thermal Management

Wischen	Intel Core i5-6400	Intel Celeron J4125
TDP	65 W	10 W
TDP (PL2)
TDP up
TDP down
T. junction max.		105 °C

Technical details

Wischen	Intel Core i5-6400	Intel Celeron J4125
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems	Windows 10, 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
Release date	Q3/2015	Q4/2019
Release price
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 i5-6400 is 3.9 stars (33 ratings), while Intel Celeron J4125 has received 4.0 stars (82 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-6400
4C / 4T · 2.70 - 3.30 GHz

★★★★★

Intel Celeron J4125
4C / 4T · 2.00 - 2.70 GHz

★★★★★