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Intel Core 2 Quad Q9550 vs Intel Core i5-7400

Last updated: 2026-07-05

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 55 %

Intel Core 2 Quad Q9550

Rank 1 - 100 %

Intel Core i5-7400

Multi-core performance

Rank 2 - 53 %

Intel Core 2 Quad Q9550

Rank 1 - 100 %

Intel Core i5-7400

Cinebench R23 Single-Core
Single-core performance

4C / 4T · 2.83 GHz

435 pts

4C / 4T · 3.50 GHz

925 pts

Cinebench R23 Multi-Core
Multi-core performance

4C / 4T · 2.83 GHz

1,642 pts

4C / 4T · 3.30 GHz

3,359 pts

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

4C / 4T · 2.83 GHz

460

4C / 4T · 3.50 GHz

884

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

4C / 4T · 2.83 GHz

1,527

4C / 4T · 3.30 GHz

2,803

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

4C / 4T · 2.83 GHz

249

4C / 4T · 3.50 GHz

384

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

4C / 4T · 2.83 GHz

959

4C / 4T · 3.00 GHz

1,444

More benchmarks

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

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

Blender 2.81 (bmw27)
190 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

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
Family	Intel Core2 Quad (19)	Intel Core i5 (336)
CPU group	Intel Core 2 Quad Q8000/Q9000 (16)	Intel Core i 7000 (17)
Architecture	Yorkfield (Penryn)	Kaby Lake S
Technology	45 nm	14 nm
Segment	Desktop	Desktop
Socket	LGA 775	LGA 1151
Predecessor		Intel Core i5-6400
Successor		Intel Core i5-8400

CPU Cores and Base Frequency

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
CPU Cores / Threads	4 / 4	4 / 4
Hyperthreading / SMT	✗	✗
Core architecture	normal	normal
Cores:	4x	4x
Frequency:	2.83 GHz	3.00 GHz
Turbo (1 Core):		3.50 GHz
Turbo (All Cores):		3.30 GHz
L2-Cache	12.00 MB
L3-Cache		6.00 MB
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
GPU name	no iGPU	Intel HD Graphics 630
GPU frequency		0.35 - 1.00 GHz
CUs / Shader	/	24 / 192
Raytracing	✗	✗
Max. displays		3
Max. GPU Memory		64 GB
Technology		14 nm
Release date		Q2/2016

NPU AI performance

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
Memory	DDR3-1066 (17.1 GB/s) DDR2-800 (12.8 GB/s)	DDR4-2400 (38.4 GB/s)
Max. Memory	16 GB	64 GB
Memory channels	2	2
ECC	No	No
PCIe		3.0 x 16
PCIe Bandwidth		15.8 GB/s

Thermal Management

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
TDP	95 W	65 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen	Intel Core 2 Quad Q9550	Intel Core i5-7400
Chip design	Monolithic	Monolithic
AES-NI	✗	✓
Operating systems	Windows 10, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	MMX, SSE2, SSE3, SSE4.1	SSE4.1, SSE4.2, AVX2
Release date	Q1/2008	Q1/2017
Release price		220 $
Documents		Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core 2 Quad Q9550 is 4.8 stars (36 ratings), while Intel Core i5-7400 has received 3.9 stars (42 ratings).

Click on the stars to rate one or both processors.

Intel Core 2 Quad Q9550
4C / 4T · 2.83 GHz

★★★★★

Intel Core i5-7400
4C / 4T · 3.00 - 3.50 GHz

★★★★★