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Intel

Core2 Quad Q8400

▲ 53273 ▼

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

Average Bench: 47.9% (778th of 1276)

Based on 13,065 user benchmarks.  Devices: BFEBFBFF0001067A, , 0000000000000000, 00050400000607D0, 1FABFBFF0001067A Model: Intel(R) Core(TM)2 Quad CPU Q8400 @ 2.66GHz
Poor: 36%Average: 47.9% 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 52.1% 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 66.4Pts
Avg. Single Core Mixed Speed 46.4Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Quad Q8400 is just 18.7%. 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 176Pts
Avg. Octa Core Mixed Speed 175Pts
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Average Bench

(Based on 13,065 samples)
Rank 77847.9%
Min Avg Max
48.6 Memory 66.4 77.3
36.1 1-Core 46.4 50.4
71.3 2-Core 91.9 101
43.8% 68.2 Pts
Min Avg Max
95.6 4-Core 172 198
116 8-Core 175 198
23.7% 173 Pts
Min Avg Max
121 64-Core 176 198
11.8% 176 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.55 GHz (avg)
54.9% Above average
Memory 77
1-Core 48.4
2-Core 96.7
48% 74 Pts
4-Core 192
8-Core 193
26% 193 Pts
64-Core 191
13% 191 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2 GHz (avg)
49.3% Average
Memory 74.2
1-Core 36.2
2-Core 72.3
42% 60.9 Pts
4-Core 144
8-Core 145
20% 144 Pts
64-Core 144
10% 144 Pts
CPU 1, 1 CPU, 4 cores, 4 threads
Base clock 3.2 GHz, turbo 3.05 GHz (avg)
48.6% Average
Memory 58.6
1-Core 57.7
2-Core 113
46% 76.5 Pts
4-Core 224
8-Core 226
31% 225 Pts
64-Core 229
15% 229 Pts
CPUSocket, 1 CPU, 4 cores, 4 threads
Base clock 2.7 GHz, turbo 2.7 GHz (avg)
48.1% Average
Memory 71.5
1-Core 36.7
2-Core 73.3
41% 60.5 Pts
4-Core 145
8-Core 148
20% 146 Pts
64-Core 149
10% 149 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz
44.7% Average
Memory 64.7
1-Core 45.2
2-Core 89.3
43% 66.4 Pts
4-Core 144
8-Core 156
20% 150 Pts
64-Core 156
10% 156 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 1.85 GHz (avg)
43.8% Average
Memory 69.1
1-Core 48.3
2-Core 93.6
45% 70.3 Pts
4-Core 113
8-Core 97.8
15% 105 Pts
64-Core 98.5
7% 98.5 Pts
Socket 775, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.5 GHz (avg)
39.1% Below average
Memory 59
1-Core 35.3
2-Core 74.9
37% 56.4 Pts
4-Core 107
8-Core 146
16% 126 Pts
64-Core 138
9% 138 Pts
CPU1, 1 CPU, 4 cores, 4 threads
Base clock 2.65 GHz, turbo 2.45 GHz (avg)
28.6% Poor
Memory 44.9
1-Core 20.7
2-Core 48.5
26% 38 Pts
4-Core 68.4
8-Core 111
11% 89.6 Pts
64-Core 104
7% 104 Pts
13,065 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 38,534,525 CPUs tested.

 Prices

AmazonUS $23018 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 2,883 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%, 13,065 samples1x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 11,918 samples1,255x
GeForce GT 710NvidiaBench 3%, 105,068 samples200x
4 Series Internal ChipsetIntelBench 1%, 1,310 samples124x
SSD
A400 240GBKingston  $32Bench 66%, 245,489 samples65x
A400 120GBKingston  $24Bench 59%, 117,779 samples37x
SU650 120GBAdata  $35Bench 66%, 28,608 samples20x
RAM
2x2GBUnknownBench 20%, 356,872 samples782x
4x2GBUnknownBench 25%, 147,382 samples749x
4x1GBUnknownBench 18%, 46,152 samples139x
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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How it works

  • - Download and run UserBenchMark.
  • - 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) January 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
7,338

Liked (edit your comment) Add link

6 days ago.

RUS-User
Avatar level
4,038

Excellent

21 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
3,309

Excellent

2 years ago.

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

ARG-User
Avatar level
2,682

Good

8 months ago.

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

PRT-User
Avatar level
2,130

Excellent

12 months ago.

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

Antimat
Avatar level
42

Excellent

16 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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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?
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What is quad core floating point speed?
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What is thermal design power (TDP)?
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ALL FAQs »

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