Intel Core2 Duo E6400 

Released July, 2006
  • 2.13 GHz
  • Dual core
5.1 Out of 10

However, it's during overclocking that this chip comes alive, hitting 3GHz, and not only cranking out performance numbers that would have been utterly unbelievable for a budget chip a year ago, but also coming painfully close to matching the likes of the premium-priced Core 2 Extreme X6800.
by Tech Radar (Feb, 2007)

CPUBoss Review Our evaluation of the Intel Core2 Duo E6400 among desktop CPUs (45 to 75W)

Performance

Benchmark performance using all cores

Core2 Duo E6400
4.8
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core2 Duo E6400
5.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core2 Duo E6400
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core2 Duo E6400
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core2 Duo E6400
4.8
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Core2 Duo E6400
6.2
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.1

CPUBoss Score

Combination of all six facets

Core2 Duo E6400
5.1

Benchmarks Real world tests of the Intel Core2 Duo E6400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Duo E6400
2,071

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Duo E6400
1,133

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E6400
91,000 MB/s
Core2 Duo E8400
128,000 MB/s
Pentium E5200
106,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Duo E6400
1,961

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Duo E6400
2,126

GeekBench

Core2 Duo E6400
3,267

PassMark Data courtesy Passmark

Core2 Duo E6400
1,290

PassMark (Single Core)

Core2 Duo E6400
797

Reviews Word on the street for the Intel Core2 Duo E6400

Specifications Full list of technical specs

summary

Clock speed 2.13 GHz
Cores Dual core
Socket type LGA 775

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. Supplemental SSE3
  2. SSE2
  3. SSE
  4. MMX
  5. SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 65W
Annual home energy cost 15.66 $/year
Annual commercial energy cost 56.94 $/year
Performance per watt 1.54 pt/W
Typical power consumption 52.81W

bus

Architecture FSB
Clock speed 1,066 MHz

details

Architecture x86-64
Threads 2 threads
L2 cache 2 MB
L2 cache per core 1 MB/core
Manufacture process 65 nm
Transistor count 167,000,000
Max CPUs 1
Clock multiplier 8
Voltage range 0.85 - 1.5V
Operating temperature Unknown - 61.4°C

overclocking

Overclock popularity 15
Overclocked clock speed 3.34 GHz
Overclocked clock speed (Water) 3.27 GHz
Overclocked clock speed (Air) 3.34 GHz

integrated graphics

GPU None
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