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Intel

Core2 Quad Q9400

▲ 60178 ▼

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

Average Bench: 28.2% (610th of 1184)

Based on 12,683 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 20%Average: 28.2% Great: 32%
Gaming
Gaming 28%
Raft
Desktop
Desktop 32%
Sail boat
Workstation
Workstation 17%
Surfboard

Popular builds with this CPU

Very poor average bench

The Intel Core2 Quad Q9400 averaged 71.8% 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. Single Core Mixed Speed 46.9Pts
Avg. Dual Core Mixed Speed 92.9Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 12.5%. 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 12,683 samples)
Rank 61028.2%
Min Avg Max
36.1 1-Core 46.9 54.1
70.5 2-Core 92.9 105
32.9% 69.9 Pts
Min Avg Max
117 4-Core 176 208
126 8-Core 178 206
24.1% 177 Pts
Min Avg Max
131 64-Core 179 206
12% 179 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
35.6% Below average
1-Core 57.3
2-Core 115
40% 86.3 Pts
4-Core 224
8-Core 223
31% 224 Pts
64-Core 231
16% 231 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 3.3 GHz, turbo 3.05 GHz (avg)
32.7% Below average
1-Core 50.9
2-Core 113
38% 81.8 Pts
4-Core 204
8-Core 206
28% 205 Pts
64-Core 199
13% 199 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
30.7% Below average
1-Core 48.6
2-Core 96.5
34% 72.6 Pts
4-Core 193
8-Core 194
26% 194 Pts
64-Core 192
13% 192 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
30.5% Below average
1-Core 48.5
2-Core 96.5
34% 72.5 Pts
4-Core 192
8-Core 191
26% 191 Pts
64-Core 192
13% 192 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
30.1% Below average
1-Core 48.2
2-Core 96.1
34% 72.2 Pts
4-Core 189
8-Core 191
26% 190 Pts
64-Core 194
13% 194 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
28.7% Poor
1-Core 47.5
2-Core 93.7
33% 70.6 Pts
4-Core 179
8-Core 182
25% 181 Pts
64-Core 183
12% 183 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
25.4% Poor
1-Core 48.4
2-Core 96.4
34% 72.4 Pts
4-Core 152
8-Core 167
22% 159 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)
24.7% Poor
1-Core 48.1
2-Core 96.2
34% 72.1 Pts
4-Core 152
8-Core 148
21% 150 Pts
64-Core 126
8% 126 Pts
12,683 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,982,394 CPUs tested.

 Prices

AmazonUS $1707 mins
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Typical Core2 Quad Q9400 Builds (Compare 6,399 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 15%
Surfboard

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q9400Intel  $170Bench 28%, 12,683 samples476x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 18,536 samples2,737x
4 Series Internal ChipsetIntelBench 1%, 1,074 samples452x
GeForce GT 710NvidiaBench 4%, 50,367 samples308x
SSD
A400 240GBKingston  $31Bench 65%, 84,577 samples69x
SSDNow V300 120GBKingston  $70Bench 53%, 192,191 samples68x
A400 120GBKingston  $22Bench 58%, 55,041 samples59x
RAM
2x2GBUnknownBench 20%, 240,808 samples2,064x
4x2GBUnknownBench 25%, 108,757 samples1,372x
2x4GBUnknownBench 38%, 231,827 samples393x
EDIT WITH CUSTOM PC BUILDER Value: 30% - Below average Total price: $200

Popular Core2 Quad Q9400 compatible motherboards:

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Processor Rankings (Price vs Performance) October 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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
5,648

Good (edit your comment) Add link

26 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
3,054

Good

28 days ago.

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

IND-User
Avatar level
2,632

Poor

1 day ago.

it is best

ZAF-User
Avatar level
1,674

Good

18 months ago.

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

LTU-User
Avatar level
1,524

Excellent

8 months ago.

Good old times when intel actually was making good cpus

tAnK
Avatar level
8

Good

22 months ago.

Considering its age, it performs quite well in recent games

laserad
Avatar level
4

Good

5 months ago.

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

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Speed Comparisons

vs Intel Core i5-9400F
vs Intel Core i5-9600K
vs Intel Core i7-9700K
vs AMD Ryzen 5 3600
vs AMD Ryzen 5 2600
vs AMD Ryzen 5 2600X
vs AMD Ryzen 5 1600
vs Intel Core i9-9900K
vs Intel Core i7-8700K

1184 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 i5-9400F $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $83
Intel Core i5-9600K $238Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia RTX 2060S (Super) $430Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $607SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
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