Intel Core 2 Quad Q8400 Intel Celeron 3867U
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Intel Core 2 Quad Q8400 vs Intel Celeron 3867U

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Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 77 %
Intel Core 2 Quad Q8400
Rank 1 - 100 %
Intel Celeron 3867U
Multi-core performance
Rank 1 - 100 %
Intel Core 2 Quad Q8400
Rank 2 - 72 %
Intel Celeron 3867U
Geekbench 5, 64bit Single-Core

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

Intel Core 2 Quad Q8400
4C / 4T · 2.66 GHz
369
Intel Celeron 3867U
2C / 2T · 1.80 GHz
480
Geekbench 5, 64bit Multi-Core

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

Intel Core 2 Quad Q8400
4C / 4T · 2.66 GHz
1,155
Intel Celeron 3867U
2C / 2T · 1.80 GHz
936

More benchmarks

At a glance

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
FamilyIntel Core2 Quad (19)Intel Celeron (165)
CPU groupIntel Core 2 Quad Q8000/Q9000 (16)Intel Celeron 3000 (10)
ArchitectureYorkfield (Penryn)Kaby Lake U
Technology45 nm14 nm
SegmentDesktopNotebook
SocketLGA 775BGA 1356
Predecessor
Successor

CPU Cores and Base Frequency

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
CPU Cores / Threads4 / 42 / 2
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 2x
Frequency: 2.66 GHz 1.80 GHz
Turbo (1 Core):
Turbo (All Cores):
L2-Cache4.00 MB
L3-Cache2.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
GPU nameno iGPUIntel HD Graphics 610
GPU frequency0.30 - 0.90 GHz
CUs / Shader / 12 / 96
Raytracing
Max. displays3
Max. GPU Memory32 GB
Technology14 nm
Release dateQ3/2016

NPU AI performance

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
MemoryDDR3-1066 (17.1 GB/s)
DDR2-800 (12.8 GB/s)
DDR4-2133 (34.1 GB/s)
DDR3L-1600 (25.6 GB/s)
LPDDR3-1866 (15.0 GB/s)
Max. Memory16 GB32 GB
Memory channels22
ECCNoNo
PCIe3.0 x 12
PCIe Bandwidth11.8 GB/s

Thermal Management

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
TDP95 W15 W
TDP (PL2)
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core 2 Quad Q8400Intel Celeron 3867U
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsMMX, SSE2, SSE3, SSE4.1SSE4.1, SSE4.2
Release dateQ2/2009Q1/2019
Release price
DocumentsTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core 2 Quad Q8400 is 3.8 stars (21 ratings), while Intel Celeron 3867U has received 2.7 stars (9 ratings).

Click on the stars to rate one or both processors.

Intel Core 2 Quad Q8400
Intel Core 2 Quad Q8400
4C / 4T · 2.66 GHz
Intel Celeron 3867U
Intel Celeron 3867U
2C / 2T · 1.80 GHz

Most popular CPUs in both categories

Intel Core 2 Quad Q8400
Intel Core 2 Quad Q8400
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