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Intel

Core2 Quad Q9400

▲ 59100 ▼

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

VS

Average Bench: 34.1% (592nd of 1129)

Based on 9,561 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 24%Average: 34.1% Great: 41%
Gaming
Gaming 34%
Sail boat
Desktop
Desktop 33%
Sail boat
Workstation
Workstation 21%
Surfboard

Popular builds with this CPU

Poor average bench

The Intel Core2 Quad Q9400 averaged 65.9% 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

Quad Core Integer Speed 239Pts
Single Core Integer Speed 63.7Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 16.9%. This is a relatively narrow range which indicates that the Intel Core2 Quad Q9400 performs reasonably consistently under varying real world conditions.

Weaknesses

Multi Core Floating Point Speed 144Pts
Avg. Multi Core Mixed Speed 181Pts
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Average Bench

(Based on 9,561 samples)
Rank 59234.1%
Min Avg Max
49.3 SC Int 63.7 76.5
29.7 SC Float 37.4 43.9
38 SC Mixed 47.2 56.1
39.6% 49.5 Pts
Min Avg Max
155 QC Int 239 292
91.8 QC Float 140 172
114 QC Mixed 176 218
42.2% 185 Pts
Min Avg Max
173 MC Int 245 296
107 MC Float 144 174
130 MC Mixed 181 218
28.9% 190 Pts
User Benchmarks Bench Single core Quad core Multi core
The fastest CPU (mainstream) averages a speed of 100%
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
36.7% Below average
SC Int 65.9
SC Float 38.2
SC Mixed 48.4
41% 50.8 Pts
QC Int 256
QC Float 150
QC Mixed 195
46% 200 Pts
MC Int 255
MC Float 150
MC Mixed 192
30% 199 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
36.6% Below average
SC Int 65.5
SC Float 37.8
SC Mixed 48.6
41% 50.6 Pts
QC Int 260
QC Float 149
QC Mixed 193
46% 201 Pts
MC Int 265
MC Float 154
MC Mixed 192
31% 203 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
36.2% Below average
SC Int 64.9
SC Float 38.4
SC Mixed 47.6
40% 50.3 Pts
QC Int 260
QC Float 152
QC Mixed 191
46% 201 Pts
MC Int 260
MC Float 151
MC Mixed 191
30% 201 Pts
CPU, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
36.1% Below average
SC Int 64.8
SC Float 38.3
SC Mixed 47.9
40% 50.3 Pts
QC Int 257
QC Float 153
QC Mixed 190
46% 200 Pts
MC Int 255
MC Float 151
MC Mixed 191
30% 199 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
34.7% Below average
SC Int 65.4
SC Float 38.5
SC Mixed 44.5
40% 49.5 Pts
QC Int 252
QC Float 147
QC Mixed 185
44% 195 Pts
MC Int 256
MC Float 146
MC Mixed 189
30% 197 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
32.8% Below average
SC Int 65.7
SC Float 38.3
SC Mixed 48
41% 50.7 Pts
QC Int 219
QC Float 132
QC Mixed 163
39% 171 Pts
MC Int 256
MC Float 147
MC Mixed 189
30% 197 Pts
CPU, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.4 GHz (avg)
32.6% Below average
SC Int 58.9
SC Float 37.7
SC Mixed 44.7
38% 47.1 Pts
QC Int 256
QC Float 150
QC Mixed 172
44% 193 Pts
MC Int 182
MC Float 117
MC Mixed 147
23% 149 Pts
9,561 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,526,866 CPUs tested.

 Prices

AmazonUS $1509 mins
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Typical Core2 Quad Q9400 Builds (Compare 3,463 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 16%
Surfboard

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q9400Intel  $150Bench 34%, 9,561 samples242x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 11,659 samples1,468x
4 Series Internal ChipsetIntelBench 1%, 777 samples271x
GeForce GT 710NvidiaBench 5%, 25,043 samples145x
SSD
SSDNow V300 120GBKingston  $65Bench 54%, 130,276 samples48x
850 Evo 250GBSamsung  $78Bench 104%, 285,868 samples32x
SSD Plus 120GBSanDisk  $37Bench 57%, 30,294 samples26x
RAM
2x2GBUnknownBench 21%, 176,117 samples1,183x
4x2GBUnknownBench 26%, 69,742 samples739x
2x4GBUnknownBench 39%, 144,126 samples208x
EDIT WITH CUSTOM PC BUILDER Value: 43% - Average Total price: $215

Popular Core2 Quad Q9400 compatible motherboards:

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Processor Rankings (Price vs Performance) October 2018 CPU Rankings.

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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
4,362

Average (edit your comment) Add link

1 month ago.

CAN-User
Avatar level
2,380

Good

8 months ago.

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

ZAF-User
Avatar level
1,262

Good

6 months ago.

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

tAnK
Avatar level
8

Good

10 months ago.

Considering its age, it performs quite well in recent games

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