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Intel

Core2 Quad Q8400

▲ 57152 ▼

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

VS

Average Bench: 27.8% (617th of 1182)

Based on 9,331 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 18%Average: 27.8% Great: 32%
Gaming
Gaming 28%
Raft
Desktop
Desktop 32%
Sail boat
Workstation
Workstation 17%
Surfboard

Popular builds with this CPU

Very poor average bench

The Intel Core2 Quad Q8400 averaged 72.2% 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 46.5Pts
Avg. Dual Core Mixed Speed 91.8Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 13.4%. 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 9,331 samples)
Rank 61727.8%
Min Avg Max
36.1 1-Core 46.5 52.7
68.3 2-Core 91.8 103
32.6% 69.1 Pts
Min Avg Max
101 4-Core 173 200
120 8-Core 176 203
23.8% 175 Pts
Min Avg Max
131 64-Core 178 204
11.9% 178 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
30.7% Below average
1-Core 48.2
2-Core 96.6
34% 72.4 Pts
4-Core 194
8-Core 192
26% 193 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)
30.2% Below average
1-Core 48.3
2-Core 96.1
34% 72.2 Pts
4-Core 190
8-Core 190
26% 190 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)
30.1% Below average
1-Core 48
2-Core 96.2
34% 72.1 Pts
4-Core 190
8-Core 188
26% 189 Pts
64-Core 190
13% 190 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
30.1% Below average
1-Core 48.1
2-Core 96.1
34% 72.1 Pts
4-Core 189
8-Core 190
26% 189 Pts
64-Core 189
13% 189 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
29% Poor
1-Core 48.4
2-Core 96.1
34% 72.2 Pts
4-Core 181
8-Core 181
25% 181 Pts
64-Core 182
12% 182 Pts
XU1 PROCESSOR, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
26.6% Poor
1-Core 47.1
2-Core 90.8
33% 68.9 Pts
4-Core 163
8-Core 172
23% 167 Pts
64-Core 179
12% 179 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
26.4% Poor
1-Core 42
2-Core 81.6
29% 61.8 Pts
4-Core 166
8-Core 166
23% 166 Pts
64-Core 164
11% 164 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
25.4% Poor
1-Core 41
2-Core 78.7
28% 59.8 Pts
4-Core 159
8-Core 163
22% 161 Pts
64-Core 164
11% 164 Pts
9,331 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 20,349,272 CPUs tested.

 Prices

AmazonUS $2302 mins
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Typical Core2 Quad Q8400 Builds (Compare 6,235 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 30%
Sail boat
Workstation
Workstation 15%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Quad Q8400Intel  $230Bench 28%, 9,331 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 0%, 17,980 samples2,649x
4 Series Internal ChipsetIntelBench 1%, 1,059 samples447x
GeForce GT 710NvidiaBench 4%, 50,260 samples299x
SSD
SSDNow V300 120GBKingston  $60Bench 53%, 196,833 samples66x
A400 240GBKingston  $31Bench 64%, 81,556 samples66x
A400 120GBKingston  $22Bench 60%, 57,320 samples59x
RAM
2x2GBUnknownBench 20%, 237,266 samples2,013x
4x2GBUnknownBench 25%, 110,203 samples1,335x
2x4GBUnknownBench 40%, 240,241 samples381x
EDIT WITH CUSTOM PC BUILDER Value: 24% - Poor Total price: $290

Popular Core2 Quad Q8400 compatible motherboards:

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

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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
5,576

Good (edit your comment) Add link

8 days ago.

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

RUS-User
Avatar level
3,416

Excellent

5 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
3,400

Excellent

16 days ago.

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

ITA-User
Avatar level
2,625

Excellent

8 months ago.

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

ARG-User
Avatar level
2,120

Good

3 months ago.

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

Antimat
Avatar level
22

Excellent

7 days 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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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.
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Intel Core i5-9400F $140Nvidia GTX 1660 $220Samsung 850 Evo 250GB $70
Intel Core i5-9600K $225Nvidia GTX 1660-Ti $275Samsung 850 Evo 500GB $90
Intel Core i7-9700K $350Nvidia RTX 2060S (Super) $429Samsung 850 Pro 256GB $230
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Seagate Barracuda 3TB (2016) $64Corsair Vengeance LPX DDR4 3200 C16 2x8GB $73SanDisk Extreme 16GB $24
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