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Intel

Core2 Quad Q9400

▲ 55391 ▼

4 Cores, @2.66 GHz, Yorkfield.
Release date ≤ Q4 2013.

Average Bench: 46.1% (864th of 1404)

Based on 24,176 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 34%Average: 46.1% Great: 53%
Gaming
Gaming 46%
Yacht
Desktop
Desktop 48%
Yacht
Workstation
Workstation 32%
Sail boat

Popular builds with this CPU

Below average average bench

The Intel Core2 Quad Q9400 averaged 53.9% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.

Strengths

Avg. Memory Latency 67Pts
Avg. Dual Core Speed 80.5Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 19.2%. This is a relatively narrow range which indicates that the Intel Core2 Quad Q9400 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Speed 152Pts
Avg. Octa Core Speed 150Pts
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Average Bench

(Based on 24,176 samples)
Rank 86446.1%
Min Avg Max
48.3 Memory 67 77.3
30.2 1-Core 40.3 45.6
60.6 2-Core 80.5 93.7
40.6% 62.6 Pts
Min Avg Max
86.9 4-Core 147 172
92.5 8-Core 150 173
19.9% 149 Pts
Min Avg Max
97.1 64-Core 152 173
9.4% 152 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 3.5 GHz, turbo 3.3 GHz (avg)
52.1% Above average
Memory 74.3
1-Core 54.3
2-Core 110
50% 79.5 Pts
4-Core 175
8-Core 180
24% 178 Pts
64-Core 184
11% 184 Pts
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
50.8% Above average
Memory 73.6
1-Core 41.3
2-Core 92.5
44% 69.1 Pts
4-Core 164
8-Core 170
22% 167 Pts
64-Core 146
9% 146 Pts
CPU, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
49.6% Average
Memory 76.5
1-Core 35.3
2-Core 83.4
43% 65.1 Pts
4-Core 134
8-Core 138
18% 136 Pts
64-Core 136
8% 136 Pts
CPU, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
44.4% Average
Memory 64.2
1-Core 41
2-Core 82.6
40% 62.6 Pts
4-Core 144
8-Core 148
20% 146 Pts
64-Core 148
9% 148 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.45 GHz (avg)
43.5% Average
Memory 62.4
1-Core 41.6
2-Core 82.7
40% 62.2 Pts
4-Core 145
8-Core 145
19% 145 Pts
64-Core 142
9% 142 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.45 GHz (avg)
42.7% Average
Memory 68.2
1-Core 38.6
2-Core 73.8
40% 60.2 Pts
4-Core 99.3
8-Core 121
14% 110 Pts
64-Core 123
8% 123 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.45 GHz (avg)
41.3% Average
Memory 60.6
1-Core 38.2
2-Core 80.2
38% 59.7 Pts
4-Core 128
8-Core 138
18% 133 Pts
64-Core 138
9% 138 Pts
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.4 GHz (avg)
16.5% Very poor
Memory 23.2
1-Core 15.4
2-Core 34.3
15% 24.3 Pts
4-Core 55.5
8-Core 65
8% 60.2 Pts
64-Core 59.6
4% 59.6 Pts
24,176 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 60,337,479 CPUs tested.

 Prices

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AmazonUS $1702 years
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Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money.

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Typical Core2 Quad Q9400 Builds (Compare 810 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 4%
Tree trunk
Desktop
Desktop 42%
Speed boat
Workstation
Workstation 4%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q9400Intel  $170Bench 46%, 24,176 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 16,152 samples142x
GeForce GT 710NvidiaBench 3%, 187,161 samples70x
GT 1030NvidiaBench 14%, 185,384 samples61x
SSD
A400 240GBKingston  $17Bench 66%, 424,288 samples38x
A400 480GBKingston  $26Bench 74%, 237,487 samples11x
A400 120GBKingston  $15Bench 61%, 166,392 samples11x
RAM
4x2GBUnknownBench 25%, 183,252 samples240x
2x2GBUnknownBench 20%, 446,702 samples139x
4x4GBUnknownBench 43%, 106,178 samples77x
EDIT WITH CUSTOM PC BUILDER Value: 51% - Above average Total price: $187

Popular Core2 Quad Q9400 compatible motherboards:

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchmark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Processor Rankings (Price vs Performance) March 2023 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Specifications

Essentials

DescriptionIntel® Core™2 Quad Processor Q9400 (6M Cache, 2.66 GHz, 1333 MHz FSB)
Code NameYorkfield
Launch DateQ3'08
Processor NumberQ9400
# of Cores4
Cache6 MB L2
Instruction Set64-bit
Embedded Options AvailableYes
Lithography45 nm
VID Voltage Range0.8500V-1.3625V
Recommended Price$180.00 - $200.00
Clock Speed2.66 GHz
Bus Speed1333 MHz FSB
Max TDP95 W
FSB ParityNo

Data Protection

AES New InstructionsNo

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesYes
Turbo Boost TechNo
Hyper-Threading TechNo
Virtualization for Directed I/O (VT-d)Yes
Demand Based SwitchingNo

Package

Package Size37.5mm x 37.5mm
Sockets SupportedLGA775
Processing Die Size164 mm2
# of Processing Die Transistors456 million

Platform Protection

Execute Disable BitYes
Trusted Execution TechYes

 Comments

Added n/a ago.
USA-User
Avatar level
9,312

Excellent (edit your comment) Add link

7 months ago.

CAN-User
Avatar level
4,714

Poor

17 months ago.

https://www.youtube.com/watch?v=IqaVRshEIeA&t=12s 3.76Ghz Overclock benchmarks paired with GTX 660 Ti

Video Review  www.youtube.com/...

FRA-User
Avatar level
4,357

Good

11 months ago.

it is very good too play lite video game

MEX-User
Avatar level
3,534

Poor

1 month ago.

Un procesador impresionante que rinde de buena manera, una verdadera máquina de su tiempo, es verdad que está rebasado, sin embargo, la edad no se le ve tanto, cumple y siempre es grato trabajar con él.

ZAF-User
Avatar level
2,628

Excellent

2 years ago.

Iv used the core 2 qaud q9400 for a good time from 2017 and its still going good

LTU-User
Avatar level
2,140

Excellent

4 years ago.

Good old times when intel actually was making good cpus

LBY-User
Avatar level
426

Excellent

2 years ago.

cheaper then core I 3 in my contrary

tAnK
Avatar level
8

Good

5 years ago.

Considering its age, it performs quite well in recent games

laserad
Avatar level
4

Good

3 years ago.

An overclocked 2008 CPU that could match the performance of a 4th gen Core i3...

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See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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The Best.
CPUGPUSSD
Intel Core i5-13600K $315Nvidia RTX 3060 $350Crucial MX500 250GB $31
Intel Core i5-12600K $194Nvidia RTX 3060-Ti $420Samsung 850 Evo 120GB $106
Intel Core i5-12400F $150Nvidia RTX 4070-Ti $830Samsung 860 Evo 250GB $50
HDDRAMUSB
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