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Intel

Core2 Quad Q8400

▲ 56162 ▼

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

Average Bench: 31.2% (686th of 1197)

Based on 9,693 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 23%Average: 31.2% Great: 37%
Gaming
Gaming 31%
Sail boat
Desktop
Desktop 32%
Sail boat
Workstation
Workstation 17%
Surfboard

Popular builds with this CPU

Poor average bench

The Intel Core2 Quad Q8400 averaged 68.8% 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. Single Core Mixed Speed 46.9Pts
Avg. Dual Core Mixed Speed 92.6Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 14%. 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 180Pts
Avg. Octa Core Mixed Speed 179Pts
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Average Bench

(Based on 9,693 samples)
Rank 68631.2%
Min Avg Max
36.2 1-Core 46.9 54.2
70.6 2-Core 92.6 108
32.8% 69.8 Pts
Min Avg Max
111 4-Core 176 212
126 8-Core 179 213
24.2% 177 Pts
Min Avg Max
131 64-Core 180 213
12.1% 180 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 3.15 GHz, turbo 2.95 GHz (avg)
39.5% Below average
1-Core 57.3
2-Core 114
40% 85.9 Pts
4-Core 229
8-Core 232
31% 230 Pts
64-Core 228
15% 228 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
39.2% Below average
1-Core 58
2-Core 116
41% 86.9 Pts
4-Core 223
8-Core 230
31% 226 Pts
64-Core 225
15% 225 Pts
LGA775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
37.1% Below average
1-Core 54.2
2-Core 108
38% 81.2 Pts
4-Core 214
8-Core 216
29% 215 Pts
64-Core 213
14% 213 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
33.5% Below average
1-Core 48.8
2-Core 97.1
34% 72.9 Pts
4-Core 194
8-Core 195
27% 195 Pts
64-Core 194
13% 194 Pts
J2E1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
33.1% Below average
1-Core 48.4
2-Core 96.8
34% 72.6 Pts
4-Core 191
8-Core 190
26% 190 Pts
64-Core 190
13% 190 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
33.1% Below average
1-Core 48.3
2-Core 95.5
34% 71.9 Pts
4-Core 191
8-Core 193
26% 192 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)
32.6% Below average
1-Core 48.1
2-Core 96.1
34% 72.1 Pts
4-Core 187
8-Core 186
26% 186 Pts
64-Core 180
12% 180 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
31.5% Below average
1-Core 47.9
2-Core 95.4
34% 71.7 Pts
4-Core 176
8-Core 178
24% 177 Pts
64-Core 177
12% 177 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
26.7% Poor
1-Core 47.6
2-Core 94.1
33% 70.8 Pts
4-Core 125
8-Core 148
18% 136 Pts
64-Core 158
11% 158 Pts
9,693 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,817,908 CPUs tested.

 Prices

AmazonUS $2305 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 6,660 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 15%
Surfboard

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q8400Intel  $230Bench 31%, 9,693 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 18,532 samples2,855x
4 Series Internal ChipsetIntelBench 1%, 1,106 samples465x
GeForce GT 710NvidiaBench 4%, 51,448 samples324x
SSD
A400 240GBKingston  $32Bench 64%, 91,342 samples75x
SSDNow V300 120GBKingston  $70Bench 54%, 201,282 samples70x
A400 120GBKingston  $22Bench 60%, 59,663 samples62x
RAM
2x2GBUnknownBench 20%, 261,738 samples2,146x
4x2GBUnknownBench 25%, 114,860 samples1,433x
2x4GBUnknownBench 39%, 256,412 samples415x
EDIT WITH CUSTOM PC BUILDER Value: 31% - Below average Total price: $262

Popular Core2 Quad Q8400 compatible motherboards:

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Processor Rankings (Price vs Performance) November 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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
5,872

Excellent (edit your comment) Add link

1 month ago.

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

RUS-User
Avatar level
3,504

Excellent

7 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.

TUR-User
Avatar level
3,484

Good

1 month ago.

80TRL And Overclocking performance's best. I Running 3.2GHZ 1.27V to overtake the I3 6100 etc. :)

ITA-User
Avatar level
2,709

Excellent

10 months ago.

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

ARG-User
Avatar level
2,184

Good

5 months ago.

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

Antimat
Avatar level
40

Excellent

2 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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Speed Comparisons

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1197 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

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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-9400F $148Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $45
Intel Core i5-9600K $210AMD RX 5700 $370Samsung 850 Evo 120GB $150
Intel Core i7-9700K $340AMD RX 590 $186Samsung 860 Evo 250GB $51
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $85Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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