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Intel

Core2 Quad Q9400

▲ 64266 ▼

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

Average Bench: 49.6% (743rd of 1276)

Based on 19,060 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 39%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 50.3% 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 69.1Pts
Avg. Single Core Mixed Speed 47.1Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 16.5%. 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 19,060 samples)
Rank 74349.6%
Min Avg Max
54.6 Memory 69.1 78
36.5 1-Core 47.1 55
71.7 2-Core 93.1 109
45% 69.7 Pts
Min Avg Max
113 4-Core 176 212
124 8-Core 178 217
24.2% 177 Pts
Min Avg Max
124 64-Core 179 217
12% 179 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
53.7% Above average
Memory 75.6
1-Core 48.7
2-Core 94.9
48% 73.1 Pts
4-Core 186
8-Core 187
25% 186 Pts
64-Core 186
12% 186 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
52% Above average
Memory 71.8
1-Core 48.4
2-Core 96.5
47% 72.2 Pts
4-Core 188
8-Core 192
26% 190 Pts
64-Core 187
12% 187 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
51.5% Above average
Memory 70.5
1-Core 46.8
2-Core 96
46% 71.1 Pts
4-Core 190
8-Core 192
26% 191 Pts
64-Core 189
13% 189 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
50.5% Above average
Memory 69
1-Core 46.7
2-Core 94.7
45% 70.1 Pts
4-Core 187
8-Core 186
26% 186 Pts
64-Core 185
12% 185 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
50.5% Above average
Memory 73.7
1-Core 45.1
2-Core 87.7
46% 68.8 Pts
4-Core 159
8-Core 168
22% 163 Pts
64-Core 171
12% 171 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
49.7% Average
Memory 66.7
1-Core 48.3
2-Core 96.4
45% 70.5 Pts
4-Core 191
8-Core 188
26% 189 Pts
64-Core 191
13% 191 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
48.3% Average
Memory 70.3
1-Core 48.2
2-Core 89.3
45% 69.3 Pts
4-Core 160
8-Core 128
20% 144 Pts
64-Core 185
12% 185 Pts
19,060 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 35,910,581 CPUs tested.

 Prices

AmazonUS $1706 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 2,664 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%, 19,060 samples179x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 24,858 samples1,225x
GeForce GT 710NvidiaBench 4%, 109,113 samples176x
4 Series Internal ChipsetIntelBench 1%, 1,338 samples124x
SSD
A400 240GBKingston  $26Bench 65%, 237,629 samples59x
A400 120GBKingston  $20Bench 59%, 109,032 samples35x
MX500 250GBCrucial  $34Bench 102%, 50,793 samples19x
RAM
2x2GBUnknownBench 20%, 360,896 samples732x
4x2GBUnknownBench 24%, 147,331 samples678x
4x1GBUnknownBench 18%, 43,104 samples129x
EDIT WITH CUSTOM PC BUILDER Value: 52% - Above average Total price: $196

Popular Core2 Quad Q9400 compatible motherboards:

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  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
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  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) November 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
7,142

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.

CAN-User
Avatar level
3,766

Excellent

2 months ago.

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

MEX-User
Avatar level
3,062

Excellent

9 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
2,066

Excellent

5 months ago.

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

LTU-User
Avatar level
1,762

Excellent

21 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

18 months ago.

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

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1276 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

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?
What is multi core floating point speed?
What is single core mixed CPU speed?
What is quad core mixed CPU speed?
What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
What is single core integer speed?
What is the GeekBench single core score?
What is a CPU?
What is the effective CPU speed index?
What is overclocking?
What is thermal design power (TDP)?
What is the GeekBench score?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9600K $190Nvidia RTX 3070 $500Crucial MX500 250GB $34
Intel Core i5-9400F $145Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $190Samsung 860 Evo 250GB $44
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $71SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Extreme 16GB $28
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