Intel Core 2 Quad Q8400 Intel Pentium E5400
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Intel Core 2 Quad Q8400 vs Intel Pentium E5400

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 1 - 100 %
Intel Core 2 Quad Q8400
Rank 1 - 100 %
Intel Pentium E5400
Multi-core performance
Rank 1 - 100 %
Intel Core 2 Quad Q8400
Rank 2 - 51 %
Intel Pentium E5400
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 Pentium E5400
2C / 2T · 2.70 GHz
368
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 Pentium E5400
2C / 2T · 2.70 GHz
658
CPU-Z Benchmark 17 Multi-Core

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

Intel Core 2 Quad Q8400
4C / 4T · 2.66 GHz
894
Intel Pentium E5400
2C / 2T · 2.70 GHz
436

More benchmarks

At a glance

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
FamilyIntel Core2 Quad (19)Intel Pentium (150)
CPU groupIntel Core 2 Quad Q8000/Q9000 (16)Intel Pentium E5000/E6000 (13)
ArchitectureYorkfield (Penryn)Wolfdale (Penryn)
Technology45 nm45 nm
SegmentDesktopDesktop
SocketLGA 775LGA 775
Predecessor
Successor

CPU Cores and Base Frequency

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
CPU Cores / Threads4 / 42 / 2
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 2x Penryn
Frequency: 2.66 GHz 2.70 GHz
Turbo (1 Core):
Turbo (All Cores):
L2-Cache4.00 MB2.00 MB
L3-Cache
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
GPU nameno iGPUno iGPU
GPU frequency
CUs / Shader / /
Raytracing
Max. displays
Max. GPU Memory
Technology
Release date

NPU AI performance

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
MemoryDDR3-1066 (17.1 GB/s)
DDR2-800 (12.8 GB/s)
DDR3-1333 (21.3 GB/s)
DDR2-800 (12.8 GB/s)
Max. Memory16 GB16 GB
Memory channels22
ECCNoNo
PCIe
PCIe Bandwidth

Thermal Management

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
TDP95 W65 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen
Intel Core 2 Quad Q8400Intel Pentium E5400
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsMMX, SSE2, SSE3, SSE4.1MMX, SSE, SSE2, SSE3
Release dateQ2/2009Q1/2009
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 Pentium E5400 has received 2.7 stars (6 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 Pentium E5400
Intel Pentium E5400
2C / 2T · 2.70 GHz

Most popular CPUs in both categories

Intel Core 2 Quad Q8400
Intel Core 2 Quad Q8400
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