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Intel Celeron N4000 vs Intel Core2 Duo E8400

Last updated: 2026-06-06

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 93 %

Intel Celeron N4000

Rank 1 - 100 %

Intel Core2 Duo E8400

Multi-core performance

Rank 2 - 98 %

Intel Celeron N4000

Rank 1 - 100 %

Intel Core2 Duo E8400

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

2C / 2T · 2.60 GHz

440

2C / 2T · 3.00 GHz

473

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

2C / 2T · 2.60 GHz

770

2C / 2T · 3.00 GHz

841

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

2C / 2T · 1.10 GHz

381

2C / 2T · 3.00 GHz

465

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 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

Specifications

At a glance

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
Family	Intel Celeron (165)	Intel Core2 Duo (29)
CPU group	Intel Celeron J4000/N4000/N5000 (11)	Intel Core 2 Duo E7000/E8000 (14)
Architecture	Gemini Lake	Wolfdale (Penryn)
Technology	14 nm	45 nm
Segment	Notebook	Desktop
Socket	BGA 1090	LGA 775
Predecessor
Successor

CPU Cores and Base Frequency

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
CPU Cores / Threads	2 / 2	2 / 2
Hyperthreading / SMT	✗	✗
Core architecture	normal	normal
Cores:	2x	2x
Frequency:	1.10 GHz	3.00 GHz
Turbo (1 Core):	2.60 GHz
Turbo (All Cores):	2.60 GHz
L2-Cache		6.00 MB
L3-Cache	4.00 MB
Overclocking	✗	✓

Integrated graphics (iGPU)

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
GPU name	Intel UHD Graphics 600	no iGPU
GPU frequency	0.20 - 0.65 GHz
CUs / Shader	12 / 96	/
Raytracing	✗	✗
Max. displays	3
Max. GPU Memory	8 GB
Technology	14 nm
Release date	Q4/2017

NPU AI performance

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
Memory	LPDDR4-2400 (38.4 GB/s) DDR4-2400 (38.4 GB/s)	DDR3-1333 (21.3 GB/s) DDR2-1066 (17.1 GB/s)
Max. Memory	8 GB	16 GB
Memory channels	2	2
ECC	No	No
PCIe	2.0 x 6
PCIe Bandwidth	3.0 GB/s

Thermal Management

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
TDP	6 W	65 W
TDP (PL2)
TDP up
TDP down	4.8 W
T. junction max.	105 °C

Technical details

Wischen	Intel Celeron N4000	Intel Core2 Duo E8400
Chip design	Monolithic	Monolithic
AES-NI	✓	✗
Operating systems	Windows 10, Windows 11, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2	MMX, SSE, SSE2, SSE3, SSE 4.1
Release date	Q4/2017	Q1/2008
Release price
Documents	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Celeron N4000 is 2.7 stars (114 ratings), while Intel Core2 Duo E8400 has received 4.2 stars (53 ratings).

Click on the stars to rate one or both processors.

Intel Celeron N4000
2C / 2T · 1.10 - 2.60 GHz

★★★★★

Intel Core2 Duo E8400
2C / 2T · 3.00 GHz

★★★★★