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Intel

Core2 Quad Q8400

▲ 53303 ▼

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

Average Bench: 48.4% (794th of 1307)

Based on 15,726 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 37%Average: 48.4% Great: 55%
Gaming
Gaming 48%
Yacht
Desktop
Desktop 50%
Yacht
Workstation
Workstation 34%
Sail boat

Popular builds with this CPU

Below average average bench

The Intel Core2 Quad Q8400 averaged 51.6% 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

Avg. Memory Latency 67.1Pts
Avg. Single Core Mixed Speed 46.5Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 17.3%. 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 176Pts
Avg. Octa Core Mixed Speed 175Pts
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Average Bench

(Based on 15,726 samples)
Rank 79448.4%
Min Avg Max
50.4 Memory 67.1 76.7
36.1 1-Core 46.5 49.4
69.7 2-Core 91.9 99.4
44.1% 68.5 Pts
Min Avg Max
108 4-Core 173 195
116 8-Core 175 195
23.7% 174 Pts
Min Avg Max
125 64-Core 176 196
11.8% 176 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPU1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
54% Above average
Memory 75.4
1-Core 48.5
2-Core 96.7
48% 73.5 Pts
4-Core 191
8-Core 188
26% 189 Pts
64-Core 190
13% 190 Pts
CPUSocket, 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 48.3
2-Core 97.1
47% 72.5 Pts
4-Core 187
8-Core 191
26% 189 Pts
64-Core 192
13% 192 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
51.7% Above average
Memory 70.4
1-Core 48.7
2-Core 97
46% 72 Pts
4-Core 194
8-Core 191
26% 192 Pts
64-Core 188
13% 188 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
51.6% Above average
Memory 72.8
1-Core 48.6
2-Core 97.1
47% 72.8 Pts
4-Core 175
8-Core 193
25% 184 Pts
64-Core 195
13% 195 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.45 GHz (avg)
48.8% Average
Memory 72.4
1-Core 39.5
2-Core 95.1
45% 69 Pts
4-Core 144
8-Core 165
21% 155 Pts
64-Core 167
11% 167 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.85 GHz, turbo 2.65 GHz (avg)
48% Average
Memory 72.1
1-Core 44
2-Core 86.8
45% 67.6 Pts
4-Core 143
8-Core 134
19% 138 Pts
64-Core 175
12% 175 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.25 GHz (avg)
39.6% Below average
Memory 55.1
1-Core 48.6
2-Core 88.9
40% 64.2 Pts
4-Core 140
8-Core 143
19% 142 Pts
64-Core 143
10% 143 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.65 GHz (avg)
31.2% Below average
Memory 46.9
1-Core 25.8
2-Core 55.2
28% 42.6 Pts
4-Core 92.5
8-Core 84.2
12% 88.3 Pts
64-Core 86.9
6% 86.9 Pts
15,726 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 42,099,212 CPUs tested.

 Prices

AmazonUS $23027 mins
Send price feedback
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 3,295 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 4%
Tree trunk
Desktop
Desktop 44%
Speed boat
Workstation
Workstation 4%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q8400Intel  $230Bench 48%, 15,726 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 11,789 samples1,311x
GeForce GT 710NvidiaBench 3%, 121,549 samples253x
4 Series Internal ChipsetIntelBench 1%, 1,266 samples131x
SSD
A400 240GBKingston  $32Bench 66%, 270,305 samples78x
A400 120GBKingston  $25Bench 58%, 134,140 samples45x
CS900 120GBPNY  $25Bench 69%, 35,620 samples21x
RAM
4x2GBUnknownBench 25%, 158,974 samples871x
2x2GBUnknownBench 19%, 384,766 samples842x
2x4GBUnknownBench 38%, 327,722 samples158x
EDIT WITH CUSTOM PC BUILDER Value: 47% - Average Total price: $262

Popular Core2 Quad Q8400 compatible motherboards:

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

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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  • - 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.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
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  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) April 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
7,738

Disliked (edit your comment) Add link

5 days ago.

RUS-User
Avatar level
4,144

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
3,435

Excellent

2 years ago.

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

ARG-User
Avatar level
2,748

Excellent

1 day ago.

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

PRT-User
Avatar level
2,208

Excellent

15 months ago.

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

Antimat
Avatar level
42

Excellent

19 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

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Age: 7 years

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1307 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

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ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-11400F $180Nvidia RTX 3070 $500Crucial MX500 250GB $50
Intel Core i5-11600K $265Nvidia RTX 3060-Ti $400Samsung 850 Evo 120GB $78
Intel Core i7-10700K $309Nvidia RTX 3080 $700Samsung 860 Evo 250GB $50
HDDRAMUSB
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WD Blue 1TB (2012) $34Corsair Vengeance LPX DDR4 3000 C15 2x8GB $73SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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