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Intel

Core2 Quad Q9400

▲ 54302 ▼

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

Average Bench: 48.8% (784th of 1316)

Based on 23,291 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 36%Average: 48.8% Great: 55%
Gaming
Gaming 49%
Yacht
Desktop
Desktop 51%
Yacht
Workstation
Workstation 35%
Sail boat

Popular builds with this CPU

Below average average bench

The Intel Core2 Quad Q9400 averaged 51.2% 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 67.9Pts
Avg. Single Core Mixed Speed 46.8Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 19.7%. 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 Mixed Speed 178Pts
Avg. Octa Core Mixed Speed 176Pts
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Average Bench

(Based on 23,291 samples)
Rank 78448.8%
Min Avg Max
50.1 Memory 67.9 77.7
36 1-Core 46.8 52.4
68.3 2-Core 92.3 102
44.5% 69 Pts
Min Avg Max
103 4-Core 173 197
118 8-Core 176 199
23.8% 175 Pts
Min Avg Max
128 64-Core 178 198
12% 178 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
54.1% Above average
Memory 75.3
1-Core 48.2
2-Core 96.1
48% 73.2 Pts
4-Core 192
8-Core 192
26% 192 Pts
64-Core 193
13% 193 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
52.4% Above average
Memory 73
1-Core 57
2-Core 112
51% 80.8 Pts
4-Core 186
8-Core 188
26% 187 Pts
64-Core 188
13% 188 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
48.8% Average
Memory 64.7
1-Core 48.4
2-Core 97.1
44% 70.1 Pts
4-Core 191
8-Core 192
26% 192 Pts
64-Core 193
13% 193 Pts
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
48.5% Average
Memory 68.2
1-Core 46.7
2-Core 94.5
45% 69.8 Pts
4-Core 167
8-Core 179
24% 173 Pts
64-Core 181
12% 181 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
48.4% Average
Memory 63.9
1-Core 48.5
2-Core 95.5
44% 69.3 Pts
4-Core 192
8-Core 192
26% 192 Pts
64-Core 193
13% 193 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
42% Average
Memory 59.8
1-Core 47.2
2-Core 95.1
42% 67.4 Pts
4-Core 142
8-Core 144
20% 143 Pts
64-Core 166
11% 166 Pts
23,291 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,115,276 CPUs tested.

 Prices

AmazonUS $17014 months
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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:

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Typical Core2 Quad Q9400 Builds (Compare 3,572 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 4%
Tree trunk
Desktop
Desktop 44%
Speed boat
Workstation
Workstation 4%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q9400Intel  $170Bench 49%, 23,291 samples272x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 14,164 samples1,351x
GeForce GT 710NvidiaBench 3%, 127,836 samples283x
4 Series Internal ChipsetIntelBench 1%, 1,235 samples139x
SSD
A400 240GBKingston  $34Bench 65%, 325,966 samples83x
A400 120GBKingston  $28Bench 59%, 152,789 samples50x
SSDNow V300 120GBKingston  $73Bench 54%, 323,104 samples21x
RAM
4x2GBUnknownBench 24%, 169,131 samples951x
2x2GBUnknownBench 20%, 405,411 samples896x
2x4GBUnknownBench 38%, 374,556 samples172x
EDIT WITH CUSTOM PC BUILDER Value: 50% - Average Total price: $204

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) August 2021 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
8,006

Good (edit your comment) Add link

25 days ago.

Still use it in a system I built in 2014, and with full RAM and a good GPU still holds up well.

CAN-User
Avatar level
4,140

Excellent

11 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/...

MEX-User
Avatar level
3,248

Poor

4 months 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
2,278

Excellent

13 months ago.

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

LTU-User
Avatar level
1,892

Excellent

2 years ago.

Good old times when intel actually was making good cpus

LBY-User
Avatar level
342

Excellent

7 months ago.

cheaper then core I 3 in my contrary

tAnK
Avatar level
8

Good

3 years ago.

Considering its age, it performs quite well in recent games

laserad
Avatar level
4

Good

2 years ago.

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

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 Frequently Asked Questions

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Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
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