Intel Core2 Duo P8400 

Released July, 2008
  • 2.26 GHz
  • Dual core

Benchmarks Real world tests of the Intel Core2 Duo P8400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Duo P8400
2,231
Core i5 520M
3,737

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Duo P8400
1,251
Core i5 520M
1,867

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo P8400
95,500 MB/s
Core i5 3210M
2,090,000 MB/s
Core i5 520M
1,340,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Duo P8400
2,110
Core i5 520M
3,593

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Duo P8400
2,328
Core i5 520M
4,110

GeekBench

Core2 Duo P8400
3,641
Core i5 520M
5,349

PassMark Data courtesy Passmark

Core2 Duo P8400
1,457
Core i5 520M
2,380

PassMark (Single Core)

Core2 Duo P8400
902
Core i5 520M
1,058

Specifications Full list of technical specs

summary

Clock speed 2.26 GHz
Cores Dual core
Socket type
  1. 479
  2. P

features

Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE4.1
  5. SSE3
  6. Supplemental SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 25W
Annual home energy cost 6.02 $/year
Performance per watt 3.83 pt/W
Typical power consumption 20.31W

bus

Architecture FSB
Clock speed 1,066 MHz

details

Architecture x86-64
Threads 2 threads
L2 cache 3 MB
L2 cache per core 1.5 MB/core
Manufacture process 45 nm
Transistor count 410,000,000
Max CPUs 1
Clock multiplier 8
Voltage range 1.05 - 1.15V

overclocking

Overclocked clock speed 2.54 GHz
Overclocked clock speed (Water) 2.26 GHz
PassMark (Overclocked) 887.7
Overclocked clock speed (Air) 2.54 GHz

integrated graphics

GPU None
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