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Intel

Core2 Quad Q8400

▲ 59236 ▼

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

Average Bench: 48.4% (763rd of 1265)

Based on 13,040 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 67.2Pts
Avg. Single Core Mixed Speed 46.7Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 18.1%. 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 177Pts
Avg. Octa Core Mixed Speed 175Pts
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Average Bench

(Based on 13,040 samples)
Rank 76348.4%
Min Avg Max
50.7 Memory 67.2 76.7
36.6 1-Core 46.7 50.8
66.1 2-Core 92 103
44.2% 68.6 Pts
Min Avg Max
101 4-Core 173 196
112 8-Core 175 196
23.8% 174 Pts
Min Avg Max
117 64-Core 177 200
11.9% 177 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
52.4% Above average
Memory 72.6
1-Core 48.5
2-Core 93.7
47% 71.6 Pts
4-Core 189
8-Core 184
26% 186 Pts
64-Core 161
11% 161 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.65 GHz (avg)
51.8% Above average
Memory 71.3
1-Core 48.4
2-Core 94.7
46% 71.5 Pts
4-Core 189
8-Core 190
26% 189 Pts
64-Core 194
13% 194 Pts
LGA 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
50.3% Above average
Memory 67.9
1-Core 48.6
2-Core 96.6
45% 71 Pts
4-Core 190
8-Core 191
26% 191 Pts
64-Core 194
13% 194 Pts
CPU, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
48.5% Average
Memory 75.3
1-Core 47.8
2-Core 90.2
47% 71.1 Pts
4-Core 121
8-Core 165
19% 143 Pts
64-Core 184
12% 184 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
46.7% Average
Memory 60.6
1-Core 46.8
2-Core 94
42% 67.1 Pts
4-Core 191
8-Core 192
26% 192 Pts
64-Core 184
12% 184 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
44.4% Average
Memory 57.5
1-Core 46.3
2-Core 71.6
38% 58.5 Pts
4-Core 181
8-Core 189
25% 185 Pts
64-Core 157
10% 157 Pts
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
38% Below average
Memory 44.7
1-Core 37.3
2-Core 95.1
35% 59 Pts
4-Core 179
8-Core 190
25% 184 Pts
64-Core 167
11% 167 Pts
13,040 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 33,603,669 CPUs tested.

 Prices

AmazonUS $23016 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.

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Typical Core2 Quad Q8400 Builds (Compare 2,244 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 43%
Speed boat
Workstation
Workstation 2%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q8400Intel  $230Bench 48%, 13,040 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 25,120 samples1,043x
GeForce GT 710NvidiaBench 3%, 91,203 samples141x
4 Series Internal ChipsetIntelBench 0%, 1,336 samples108x
SSD
A400 240GBKingston  $28Bench 65%, 208,522 samples56x
A400 120GBKingston  $25Bench 60%, 103,345 samples27x
SU650 120GBAdata  $35Bench 63%, 25,484 samples18x
RAM
2x2GBUnknownBench 20%, 345,040 samples621x
4x2GBUnknownBench 24%, 146,771 samples560x
4x1GBUnknownBench 18%, 43,232 samples116x
EDIT WITH CUSTOM PC BUILDER Value: 48% - Average Total price: $258

Popular Core2 Quad Q8400 compatible motherboards:

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  • - RAM tests include: single/multi core bandwidth and latency.
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  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) September 2020 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
6,924

Excellent (edit your comment) Add link

1 day ago.

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

RUS-User
Avatar level
3,918

Excellent

18 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
3,153

Excellent

21 months ago.

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

ARG-User
Avatar level
2,602

Good

4 months ago.

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

PRT-User
Avatar level
2,056

Excellent

9 months ago.

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

Antimat
Avatar level
42

Excellent

12 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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 Frequently Asked Questions

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ALL FAQs »

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Intel Core i5-9400F $140Nvidia GTX 1650S (Super) $170Samsung 850 Evo 120GB $78
Intel Core i7-9700K $299Nvidia RTX 3080 $700Samsung 860 Evo 250GB $47
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