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Intel

Core2 Quad Q8400

▲ 54134 ▼

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

VS

Average Bench: 33.4% (651st of 1173)

Based on 8,522 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 23%Average: 33.4% Great: 39%
Gaming
Gaming 33%
Sail boat
Desktop
Desktop 33%
Sail boat
Workstation
Workstation 20%
Surfboard

Popular builds with this CPU

Poor average bench

The Intel Core2 Quad Q8400 averaged 66.6% 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 232Pts
Single Core Integer Speed 62.1Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 16%. This is a relatively narrow range which indicates that the Intel Core2 Quad Q8400 performs reasonably consistently under varying real world conditions.

Weaknesses

Multi Core Floating Point Speed 141Pts
Avg. Multi Core Mixed Speed 177Pts
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Average Bench

(Based on 8,522 samples)
Rank 65133.4%
Min Avg Max
46.8 SC Int 62.1 70.8
26.9 SC Float 36.7 41.5
34.2 SC Mixed 46.1 52.8
38.7% 48.3 Pts
Min Avg Max
129 QC Int 232 279
79.7 QC Float 137 165
98.7 QC Mixed 173 205
41.2% 181 Pts
Min Avg Max
155 MC Int 240 281
98.1 MC Float 141 165
122 MC Mixed 177 208
28.2% 186 Pts
User Benchmarks Bench Single core Quad core Multi core
The fastest CPU (mainstream) averages a speed of 100%
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 3.55 GHz, turbo 3.4 GHz (avg)
48.4% Average
SC Int 86.8
SC Float 51.4
SC Mixed 65.2
54% 67.8 Pts
QC Int 345
QC Float 201
QC Mixed 254
61% 267 Pts
MC Int 350
MC Float 204
MC Mixed 254
41% 269 Pts
J3E1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
36.4% Below average
SC Int 64.9
SC Float 38.2
SC Mixed 47.4
40% 50.2 Pts
QC Int 260
QC Float 151
QC Mixed 193
46% 202 Pts
MC Int 263
MC Float 152
MC Mixed 196
31% 204 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
35.9% Below average
SC Int 65.4
SC Float 38.2
SC Mixed 48.3
40% 50.6 Pts
QC Int 261
QC Float 152
QC Mixed 188
46% 200 Pts
MC Int 264
MC Float 152
MC Mixed 197
31% 204 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
35.8% Below average
SC Int 65
SC Float 37.9
SC Mixed 47.7
40% 50.2 Pts
QC Int 258
QC Float 149
QC Mixed 189
45% 199 Pts
MC Int 256
MC Float 149
MC Mixed 186
30% 197 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
35.7% Below average
SC Int 65.2
SC Float 38.2
SC Mixed 48.3
40% 50.6 Pts
QC Int 254
QC Float 148
QC Mixed 187
45% 196 Pts
MC Int 257
MC Float 149
MC Mixed 187
30% 198 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
35.3% Below average
SC Int 63.7
SC Float 38.3
SC Mixed 48.6
40% 50.2 Pts
QC Int 255
QC Float 149
QC Mixed 188
45% 197 Pts
MC Int 261
MC Float 138
MC Mixed 135
27% 178 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
34.8% Below average
SC Int 63.5
SC Float 37.8
SC Mixed 47.7
40% 49.7 Pts
QC Int 237
QC Float 141
QC Mixed 181
42% 186 Pts
MC Int 247
MC Float 142
MC Mixed 181
29% 190 Pts
8,522 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 18,583,852 CPUs tested.

 Prices

AmazonUS $23010 mins
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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 Q8400 Builds (Compare 5,752 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 Q8400Intel  $230Bench 33%, 8,522 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 17,339 samples2,426x
4 Series Internal ChipsetIntelBench 1%, 1,059 samples423x
GeForce GT 710NvidiaBench 5%, 45,371 samples277x
SSD
SSDNow V300 120GBKingston  $45Bench 54%, 188,499 samples65x
A400 120GBKingston  $20Bench 60%, 42,616 samples50x
850 Evo 250GBSamsung  $104Bench 106%, 446,313 samples49x
RAM
2x2GBUnknownBench 21%, 239,260 samples1,867x
4x2GBUnknownBench 25%, 108,056 samples1,245x
2x4GBUnknownBench 39%, 215,042 samples354x
EDIT WITH CUSTOM PC BUILDER Value: 39% - Below average Total price: $275

Popular Core2 Quad Q8400 compatible motherboards:

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Processor Rankings (Price vs Performance) July 2019 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 Q8400 (4M Cache, 2.66 GHz, 1333 MHz FSB)
Code NameYorkfield
Launch DateQ2'09
Processor NumberQ8400
# of Cores4
Cache4 MB L2
Instruction Set64-bit
Embedded Options AvailableNo
Lithography45 nm
VID Voltage Range0.8500V-1.3625V
Recommended Price$179.00
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
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 TechNo

 Comments

Added n/a ago.
USA-User
Avatar level
5,390

Excellent (edit your comment) Add link

5 months ago.

runs all my games fine. It's probably the best LGA 775 processor.

RUS-User
Avatar level
3,330

Excellent

3 months ago.

11 years of perfect working. Now playing even MAFIA III with it on low. Really fond of it. All my tasks and games runs quite good. In 2019 and so many years of stable working I like it. It was the my best choice in them days.

ITA-User
Avatar level
2,539

Excellent

6 months ago.

I have it. After several years i can still work very smoothly

ARG-User
Avatar level
2,022

Good

1 month ago.

Cheaper and more effective than some mobile or low power processors from today.

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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?
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 »

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AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
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