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Intel

Core2 Quad Q9400

▲ 64246 ▼

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

Average Bench: 49.6% (732nd of 1258)

Based on 18,539 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 38%Average: 49.6% Great: 56%
Gaming
Gaming 50%
Yacht
Desktop
Desktop 51%
Yacht
Workstation
Workstation 35%
Jet ski

Popular builds with this CPU

Below average average bench

The Intel Core2 Quad Q9400 averaged 50.4% 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 69.3Pts
Avg. Single Core Mixed Speed 46.7Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 17.6%. 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 179Pts
Avg. Octa Core Mixed Speed 178Pts
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Average Bench

(Based on 18,539 samples)
Rank 73249.6%
Min Avg Max
52.8 Memory 69.3 77.9
35.6 1-Core 46.7 55.4
70.8 2-Core 92.9 111
45% 69.6 Pts
Min Avg Max
115 4-Core 175 215
124 8-Core 178 217
24% 176 Pts
Min Avg Max
130 64-Core 179 219
12% 179 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
57% Above average
Memory 69.7
1-Core 65.1
2-Core 130
54% 88.3 Pts
4-Core 257
8-Core 259
35% 258 Pts
64-Core 256
17% 256 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
52.9% Above average
Memory 72.9
1-Core 48.5
2-Core 95.8
47% 72.4 Pts
4-Core 192
8-Core 192
26% 192 Pts
64-Core 190
13% 190 Pts
Socket775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
51% Above average
Memory 69.8
1-Core 48.1
2-Core 96.2
46% 71.4 Pts
4-Core 189
8-Core 183
26% 186 Pts
64-Core 192
13% 192 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
48% Average
Memory 63.7
1-Core 47.3
2-Core 91.1
43% 67.4 Pts
4-Core 188
8-Core 188
26% 188 Pts
64-Core 186
12% 186 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
46.5% Average
Memory 62.9
1-Core 46.5
2-Core 94.3
43% 67.9 Pts
4-Core 174
8-Core 185
24% 180 Pts
64-Core 184
12% 184 Pts
18,539 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 31,797,553 CPUs tested.

 Prices

AmazonUS $1703 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:

CPU GPU SSD HDD RAM MBD
Typical Core2 Quad Q9400 Builds (Compare 1,859 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 44%
Speed boat
Workstation
Workstation 2%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q9400Intel  $170Bench 50%, 18,539 samples136x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 23,631 samples845x
GeForce GT 710NvidiaBench 3%, 87,008 samples112x
4 Series Internal ChipsetIntelBench 0%, 1,311 samples91x
SSD
A400 240GBKingston  $32Bench 63%, 176,296 samples52x
A400 120GBKingston  $25Bench 60%, 93,373 samples20x
MX500 250GBCrucial  $40Bench 103%, 41,191 samples15x
RAM
2x2GBUnknownBench 20%, 306,011 samples513x
4x2GBUnknownBench 24%, 145,533 samples476x
3x2GBUnknownBench 32%, 35,739 samples98x
EDIT WITH CUSTOM PC BUILDER Value: 51% - Above average Total price: $202

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.
  • - 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.
  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) August 2020 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
6,762

Good (edit your comment) Add link

2 months ago.

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

TUR-User
Avatar level
4,064

Poor

8 days ago.

niceeee

CAN-User
Avatar level
3,584

Good

11 months ago.

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

MEX-User
Avatar level
2,896

Excellent

6 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
1,986

Excellent

1 month ago.

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

LTU-User
Avatar level
1,684

Excellent

18 months ago.

Good old times when intel actually was making good cpus

tAnK
Avatar level
8

Good

2 years ago.

Considering its age, it performs quite well in recent games

laserad
Avatar level
4

Good

15 months 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

Processors FAQ
How does IPC compare between AMD's Ryzen and Intel's Kaby Lake?
What is multi core mixed speed?
What is multi core integer speed?
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What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9600K $192Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $40
Intel Core i5-9400F $151Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $335Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $47
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $60SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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