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Intel

Core2 Quad Q8400

▲ 57195 ▼

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

Average Bench: 49.9% (720th of 1241)

Based on 12,401 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 38%Average: 49.9% Great: 56%
Gaming
Gaming 50%
Yacht
Desktop
Desktop 52%
Yacht
Workstation
Workstation 35%
Jet ski

Popular builds with this CPU

Below average average bench

The Intel Core2 Quad Q8400 averaged 50.1% 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 70Pts
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 17.7%. 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 178Pts
Avg. Octa Core Mixed Speed 176Pts
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Average Bench

(Based on 12,401 samples)
Rank 72049.9%
Min Avg Max
54 Memory 70 78.1
35.5 1-Core 46.7 53.8
70.6 2-Core 92.7 106
45.2% 69.8 Pts
Min Avg Max
115 4-Core 174 207
122 8-Core 176 206
23.9% 175 Pts
Min Avg Max
127 64-Core 178 207
11.9% 178 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
56.5% Above average
Memory 78.5
1-Core 51
2-Core 102
50% 77.1 Pts
4-Core 202
8-Core 202
28% 202 Pts
64-Core 201
14% 201 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.75 GHz, turbo 2.6 GHz (avg)
54.4% Above average
Memory 75.4
1-Core 50.3
2-Core 99.2
49% 75 Pts
4-Core 195
8-Core 198
27% 197 Pts
64-Core 198
13% 198 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
52.6% Above average
Memory 72.7
1-Core 48.1
2-Core 96.1
47% 72.3 Pts
4-Core 190
8-Core 192
26% 191 Pts
64-Core 189
13% 189 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
50.6% Above average
Memory 70.4
1-Core 48.1
2-Core 94.6
46% 71 Pts
4-Core 181
8-Core 179
25% 180 Pts
64-Core 174
12% 174 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.15 GHz
47.1% Average
Memory 68.2
1-Core 38.3
2-Core 74.7
40% 60.4 Pts
4-Core 153
8-Core 154
21% 153 Pts
64-Core 153
10% 153 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.2 GHz (avg)
46.7% Average
Memory 66.3
1-Core 39
2-Core 80
41% 61.8 Pts
4-Core 160
8-Core 158
22% 159 Pts
64-Core 156
10% 156 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
45.1% Average
Memory 57.4
1-Core 48.2
2-Core 96.3
42% 67.3 Pts
4-Core 190
8-Core 192
26% 191 Pts
64-Core 191
13% 191 Pts
12,401 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 28,737,171 CPUs tested.

 Prices

AmazonUS $23024 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 8,500 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 43%
Speed boat
Workstation
Workstation 19%
Surfboard

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q8400Intel  $230Bench 50%, 12,401 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 23,205 samples3,712x
4 Series Internal ChipsetIntelBench 0%, 1,252 samples546x
GeForce GT 710NvidiaBench 3%, 74,699 samples434x
SSD
A400 240GBKingston  $32Bench 62%, 137,981 samples107x
A400 120GBKingston  $28Bench 57%, 88,534 samples88x
SSDNow V300 120GBKingston  $60Bench 54%, 233,628 samples81x
RAM
2x2GBUnknownBench 20%, 324,522 samples2,651x
4x2GBUnknownBench 24%, 136,536 samples1,888x
2x4GBUnknownBench 38%, 270,510 samples516x
EDIT WITH CUSTOM PC BUILDER Value: 48% - Average Total price: $262

Popular Core2 Quad Q8400 compatible motherboards:

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  • - RAM tests include: single/multi core bandwidth and latency.
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Processor Rankings (Price vs Performance) May 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
6,514

Poor (edit your comment) Add link

16 days ago.

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

TUR-User
Avatar level
3,892

Poor

2 days ago.

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

RUS-User
Avatar level
3,798

Excellent

13 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
3,009

Excellent

16 months ago.

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

ARG-User
Avatar level
2,408

Good

13 days ago.

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

PRT-User
Avatar level
1,930

Excellent

5 months ago.

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

Antimat
Avatar level
42

Excellent

8 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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1241 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 »

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Intel Core i5-9600K $199Nvidia GTX 1650S (Super) $160Samsung 850 Evo 120GB $78
Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $500Samsung 850 Pro 512GB $240
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