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Intel

Core2 Quad Q8400

▲ 53331 ▼

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

Average Bench: 47.2% (821st of 1316)

Based on 16,108 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 35%Average: 47.2% Great: 55%
Gaming
Gaming 47%
Yacht
Desktop
Desktop 49%
Yacht
Workstation
Workstation 34%
Sail boat

Popular builds with this CPU

Below average average bench

The Intel Core2 Quad Q8400 averaged 52.7% 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 65.4Pts
Avg. Single Core Mixed Speed 45.9Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 19.8%. This is a relatively narrow range which indicates that the Intel Core2 Quad Q8400 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 173Pts
Avg. Octa Core Mixed Speed 172Pts
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Average Bench

(Based on 16,108 samples)
Rank 82147.2%
Min Avg Max
47.9 Memory 65.4 76.8
34.9 1-Core 45.9 49.5
64 2-Core 90.2 98.1
43.2% 67.1 Pts
Min Avg Max
97.9 4-Core 170 195
109 8-Core 172 196
23.3% 171 Pts
Min Avg Max
111 64-Core 173 196
11.6% 173 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
54.8% Above average
Memory 76.3
1-Core 48.6
2-Core 97.6
48% 74.2 Pts
4-Core 195
8-Core 194
27% 195 Pts
64-Core 195
13% 195 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
54% Above average
Memory 76.1
1-Core 48.1
2-Core 96.3
48% 73.5 Pts
4-Core 187
8-Core 185
26% 186 Pts
64-Core 187
12% 187 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.55 GHz (avg)
53.8% Above average
Memory 74.8
1-Core 49.5
2-Core 98.9
48% 74.4 Pts
4-Core 191
8-Core 198
26% 195 Pts
64-Core 198
13% 198 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
52.8% Above average
Memory 74.2
1-Core 48.2
2-Core 93
47% 71.8 Pts
4-Core 184
8-Core 181
25% 183 Pts
64-Core 183
12% 183 Pts
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
52.2% Above average
Memory 72.5
1-Core 47.7
2-Core 95.4
47% 71.9 Pts
4-Core 186
8-Core 185
26% 186 Pts
64-Core 180
12% 180 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
52.1% Above average
Memory 72.2
1-Core 48.4
2-Core 95.1
47% 71.9 Pts
4-Core 187
8-Core 188
26% 187 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)
43.1% Average
Memory 55.4
1-Core 47.7
2-Core 91.9
40% 65 Pts
4-Core 177
8-Core 189
25% 183 Pts
64-Core 189
13% 189 Pts
16,108 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 45,116,201 CPUs tested.

 Prices

AmazonUS $23010 mins
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Typical Core2 Quad Q8400 Builds (Compare 3,572 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 4%
Tree trunk
Desktop
Desktop 43%
Speed boat
Workstation
Workstation 4%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q8400Intel  $230Bench 47%, 16,108 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 14,164 samples1,351x
GeForce GT 710NvidiaBench 3%, 127,836 samples283x
4 Series Internal ChipsetIntelBench 1%, 1,235 samples139x
SSD
A400 240GBKingston  $34Bench 65%, 325,966 samples83x
A400 120GBKingston  $28Bench 59%, 152,789 samples50x
SSDNow V300 120GBKingston  $73Bench 54%, 323,104 samples21x
RAM
4x2GBUnknownBench 24%, 169,131 samples951x
2x2GBUnknownBench 20%, 405,411 samples896x
2x4GBUnknownBench 38%, 374,556 samples172x
EDIT WITH CUSTOM PC BUILDER Value: 46% - Average Total price: $264

Popular Core2 Quad Q8400 compatible motherboards:

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Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - SkillBench (space shooter) tests user input accuracy.
  • - Reports are generated and presented on userbenchmark.com.
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Processor Rankings (Price vs Performance) August 2021 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 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
8,006

Excellent (edit your comment) Add link

18 days ago.

RUS-User
Avatar level
4,244

Excellent

2 years 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
3,503

Excellent

2 years ago.

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

ARG-User
Avatar level
2,826

Excellent

3 months ago.

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

PRT-User
Avatar level
2,244

Excellent

19 months ago.

Very nice for a cheap processor (10 eur). Works really nice.

Antimat
Avatar level
42

Excellent

22 months ago.

Very old CPU but still working ..... And in this time we'll get him very cheap Only 4mb L2 cache slows him down

Your
opinion?
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Ready to retire
Age: 7 years

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1316 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

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 Frequently Asked Questions

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-11600K $270Nvidia RTX 3070 $500Crucial MX500 250GB $45
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Samsung 860 Evo 250GB $52
Intel Core i7-11700K $394Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $183
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