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Intel

Core2 Duo E8400

▲ 583,500 ▼

2 Cores, 2 Threads @3.0GHz, Core.
Release date: Q1 2008.

VS

Average Bench: 24% (771st of 1129)

more Based on 29,480 user benchmarks.  Devices: BFEBFBFF00010676, , BFEBFBFF000006FD, AFEBFBFF00010676, AFEBFBFF0001067A, 00050400000607D0, 1FABFBFF0001067A, 0000000000000000, BFEBFBFF00010677, 0000000FFF800800, BFEFFBFF00010676, BFEBFBFF000006FB, 014D9203BFEBFBFF, 1FEBFBFF0001067A, BFEBFBFF0001067A Model: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz

The Intel Core 2 Duo E8400 is amongst the fastest of the Core 2 Duo range of now nearly ten year old CPUs. The E8400 is included in our group tests simply as a reference point due to its huge success back in its day. Running at a clock speed of 3.0 GHz the E8400 has an effective speed of 52 which is 85% slower than its modern day counterparts. The relative lack of performance is especially noticeable in the area of multi-core processing as a consequence of the E8400's relatively few two cores. Anyone considering an upgrade needn't hesitate as modern CPUs are not only orders of magnitude faster but also considerably more energy efficient and feature packed. [Oct '14 CPUPro]

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Poor: 17%Average: 24% Great: 27%
Gaming
Gaming 24%
Surfboard
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 14%
Tree trunk

Popular builds with this CPU

Very poor average bench

The Intel Core2 Duo E8400 averaged 75.9% 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

Single Core Integer Speed 68Pts
Avg. Single Core Mixed Speed 50.3Pts

Excellent consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Duo E8400 is just 9.44%. This is an extremely narrow range which indicates that the Intel Core2 Duo E8400 performs superbly consistently under varying real world conditions.

Weaknesses

Multi Core Floating Point Speed 78.5Pts
Avg. Multi Core Mixed Speed 99.2Pts
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Average Bench

(Based on 29,480 samples)
Rank 77124%
Min Avg Max
46.5 SC Int 68 74
27.2 SC Float 39.9 43.3
33.9 SC Mixed 50.3 54.8
42.3% 52.7 Pts
Min Avg Max
87.9 QC Int 132 149
52.5 QC Float 76.8 86.3
65.1 QC Mixed 96.9 109
23.2% 102 Pts
Min Avg Max
89.9 MC Int 134 149
54.7 MC Float 78.5 86.3
65.6 MC Mixed 99.2 109
15.8% 104 Pts
User Benchmarks Bench Single core Quad core Multi core
The fastest CPU (mainstream) averages a speed of 100%
CPU, 1 CPU, 2 cores, 2 threads
Base clock 3 GHz, turbo 2.8 GHz (avg)
26.5% Poor
SC Int 73.5
SC Float 43.2
SC Mixed 54.7
46% 57.1 Pts
QC Int 146
QC Float 85.6
QC Mixed 108
26% 113 Pts
MC Int 148
MC Float 85.6
MC Mixed 108
17% 114 Pts
CPU, 1 CPU, 2 cores, 2 threads
Base clock 3 GHz
26.3% Poor
SC Int 72.5
SC Float 43
SC Mixed 54.2
45% 56.6 Pts
QC Int 146
QC Float 82.3
QC Mixed 108
26% 112 Pts
MC Int 146
MC Float 84.1
MC Mixed 108
17% 112 Pts
CPU 1, 1 CPU, 2 cores, 2 threads
Base clock 3 GHz, turbo 3 GHz (avg)
26% Poor
SC Int 73.7
SC Float 42.8
SC Mixed 54.3
46% 56.9 Pts
QC Int 147
QC Float 84.3
QC Mixed 106
26% 112 Pts
MC Int 143
MC Float 83.5
MC Mixed 107
17% 111 Pts
Socket 775, 1 CPU, 2 cores, 2 threads
Base clock 3 GHz, turbo 2.8 GHz (avg)
25.2% Poor
SC Int 65
SC Float 41.7
SC Mixed 51
42% 52.6 Pts
QC Int 139
QC Float 80.8
QC Mixed 105
25% 108 Pts
MC Int 136
MC Float 77.9
MC Mixed 105
16% 106 Pts
XU1 PROCESSOR, 1 CPU, 2 cores, 2 threads
Base clock 3 GHz, turbo 2.8 GHz (avg)
22% Poor
SC Int 71.1
SC Float 41.9
SC Mixed 52.9
44% 55.3 Pts
QC Int 136
QC Float 75.6
QC Mixed 79.4
22% 96.9 Pts
MC Int 118
MC Float 76.2
MC Mixed 69
13% 87.8 Pts
29,480 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 11,512,609 CPUs tested.

 Prices

Approx. $150 @ launch in Jan '08
EbayUS $4137 mins
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Typical Core2 Duo E8400 Builds (Compare 3,460 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 29%
Raft
Workstation
Workstation 14%
Tree trunk

Motherboard: Dell OptiPlex 780

CPU
Core2 Duo E8400Intel  $41Bench 24%, 29,480 samples1,014x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 11,659 samples1,466x
4 Series Internal ChipsetIntelBench 1%, 777 samples271x
GeForce GT 710NvidiaBench 5%, 25,043 samples145x
SSD
SSDNow V300 120GBKingston  $65Bench 54%, 130,276 samples48x
850 Evo 250GBSamsung  $78Bench 106%, 296,153 samples32x
SSD Plus 120GBSanDisk  $37Bench 56%, 29,072 samples26x
RAM
2x2GBUnknownBench 21%, 176,117 samples1,182x
4x2GBUnknownBench 26%, 69,742 samples739x
2x4GBUnknownBench 39%, 144,126 samples208x
EDIT WITH CUSTOM PC BUILDER Value: 45% - Average Total price: $106

Popular Core2 Duo E8400 compatible motherboards:

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Processor Rankings (Price vs Performance) October 2018 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. 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]

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 Duo Processor E8400 (6M Cache, 3.00 GHz, 1333 MHz FSB)
Code NameWolfdale
Launch DateQ1'08
Processor NumberE8400
# of Cores2
Cache6 MB L2
Instruction Set64-bit
Embedded Options AvailableYes
Lithography45 nm
VID Voltage Range0.8500V-1.3625V
Recommended Price$149.00 - $179.00
Clock Speed3 GHz
Bus Speed1333 MHz FSB
Max TDP65 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
Virtualization for Directed I/O (VT-d)Yes
Demand Based SwitchingNo

Package

Package Size37.5mm x 37.5mm
Sockets SupportedLGA775
Processing Die Size107 mm2
# of Processing Die Transistors410 million

Platform Protection

Execute Disable BitYes
Trusted Execution TechYes

 Comments

CPUPro
Avatar level
1,217

Official site ark.intel.com/...

Legacy Intel® Core™2 Processor...

Added 3 years ago.
USA-User
Avatar level
4,360

Excellent (edit your comment) Add link

11 days ago.

GBR-User
Avatar level
2,752

Average

1 month ago.

Brilliant little chip, breathed new life into my old e4400 socket 775 system.

CAN-User
Avatar level
2,380

Poor

15 days ago.

Fast , maybe little lag but its ok

AUS-User
Avatar level
1,996

Terrible

4 months ago.

quick for a budget build, often $5 on ebay and can be added to any 775 system. paired with a 750ti or a hd7770, it makes for a great $50 gaming rig.

CPUPro
Avatar level
1,217

Terrible

3 years ago.

DOM-User
Avatar level
786

Excellent

1 day ago.

la mejor

gvrax
Avatar level
360

Terrible

12 months ago.

low perfomance for that price

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 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)?
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