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Intel

Core2 Quad Q9400

▲ 5967 ▼

4 Cores,
@2.66 GHz Yorkfield

VS

Average Bench: 34.7% (563rd of 1100)

Based on 6,334 user benchmarks.  Devices: BFEBFBFF0001067A, 0FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz
Poor: 27%Average: 34.7% Great: 42%
Gaming
Gaming 35%
Sail boat
Desktop
Desktop 34%
Sail boat
Workstation
Workstation 21%
Surfboard

Popular builds with this CPU

Poor average bench

The Intel Core2 Quad Q9400 averaged 65.3% 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

Quad Core Integer Speed 243Pts
Single Core Integer Speed 64.5Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q9400 is just 15.4%. 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 146Pts
Avg. Multi Core Mixed Speed 185Pts
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Average Bench

(Based on 6,334 samples)
Rank 56334.7%
Min Avg Max
52.6 SC Int 64.5 77.7
31.9 SC Float 37.9 45.6
40.3 SC Mixed 47.9 57.6
40.1% 50.1 Pts
Min Avg Max
163 QC Int 243 297
101 QC Float 143 175
128 QC Mixed 180 220
42.9% 188 Pts
Min Avg Max
194 MC Int 250 298
112 MC Float 146 177
145 MC Mixed 185 222
29.5% 194 Pts
User Benchmarks Bench Single core Quad core Multi core
The fastest CPU (mainstream) averages a speed of 100%
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
42.9% Average
SC Int 73.7
SC Float 44.6
SC Mixed 56.4
47% 58.2 Pts
QC Int 308
QC Float 179
QC Mixed 227
54% 238 Pts
MC Int 306
MC Float 180
MC Mixed 227
36% 238 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
36.6% Below average
SC Int 64.7
SC Float 38.2
SC Mixed 48.1
40% 50.3 Pts
QC Int 260
QC Float 152
QC Mixed 194
46% 202 Pts
MC Int 261
MC Float 153
MC Mixed 193
31% 202 Pts
CPU, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
36.5% Below average
SC Int 64.9
SC Float 37.9
SC Mixed 48.1
40% 50.3 Pts
QC Int 261
QC Float 152
QC Mixed 193
46% 202 Pts
MC Int 260
MC Float 154
MC Mixed 195
31% 203 Pts
J3E1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
35.4% Below average
SC Int 62.2
SC Float 38.1
SC Mixed 47.7
40% 49.3 Pts
QC Int 259
QC Float 151
QC Mixed 188
45% 199 Pts
MC Int 210
MC Float 140
MC Mixed 165
26% 172 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
35.1% Below average
SC Int 64
SC Float 38
SC Mixed 47.6
40% 49.9 Pts
QC Int 239
QC Float 124
QC Mixed 184
42% 182 Pts
MC Int 245
MC Float 132
MC Mixed 176
28% 184 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
34% Below average
SC Int 64.6
SC Float 38.1
SC Mixed 48.5
40% 50.4 Pts
QC Int 255
QC Float 146
QC Mixed 173
44% 191 Pts
MC Int 257
MC Float 148
MC Mixed 187
30% 197 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
32.4% Below average
SC Int 62.1
SC Float 37.6
SC Mixed 46.9
39% 48.9 Pts
QC Int 206
QC Float 135
QC Mixed 164
38% 168 Pts
MC Int 221
MC Float 136
MC Mixed 166
26% 174 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
31.9% Below average
SC Int 63.8
SC Float 37.7
SC Mixed 47.4
40% 49.6 Pts
QC Int 219
QC Float 121
QC Mixed 159
38% 166 Pts
MC Int 245
MC Float 138
MC Mixed 178
28% 187 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
30.7% Below average
SC Int 63.7
SC Float 38.5
SC Mixed 47.7
40% 50 Pts
QC Int 258
QC Float 152
QC Mixed 147
42% 186 Pts
MC Int 217
MC Float 124
MC Mixed 186
27% 176 Pts
6,334 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 8,450,868 CPUs tested.

 Prices

AmazonUS $1005 mins
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Typical Core2 Quad Q9400 Builds (Compare 2,987 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  $100Bench 35%, 6,334 samples219x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 9,280 samples1,288x
4 Series Internal ChipsetIntelBench 1%, 640 samples265x
GeForce GT 710NvidiaBench 5%, 14,825 samples97x
SSD
SSDNow V300 120GBKingston  $65Bench 48%, 119,806 samples47x
SSDNow UV400 120GBKingston  $45Bench 54%, 21,612 samples30x
850 Evo 250GBSamsung  $90Bench 94%, 282,195 samples30x
RAM
2x2GBUnknownBench 20%, 136,246 samples1,053x
4x2GBUnknownBench 25%, 56,140 samples630x
2x4GBUnknownBench 39%, 115,278 samples174x
EDIT WITH CUSTOM PC BUILDER Value: 46% - Average Total price: $165

Popular Core2 Quad Q9400 compatible motherboards:

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

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price.

 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
3,582

Liked (edit your comment) Add link

22 days ago.

CAN-User
Avatar level
2,078

Good

2 months ago.

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

ZAF-User
Avatar level
1,074

Good

5 days ago.

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

tAnK
Avatar level
8

Good

4 months ago.

Considering its age, it performs quite well in recent games

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 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?
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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)?
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