Intel Core2 Duo P8400 

Released July, 2008
  • 2.26 GHz
  • Dual core
2.2 Out of 10

Explore 2 laptops with the Intel Core2 Duo P8400

CPUBoss Review Our evaluation of the Intel Core2 Duo P8400 among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

Core2 Duo P8400
5.4
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core2 Duo P8400
5.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core2 Duo P8400
0.0
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core2 Duo P8400
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core2 Duo P8400
3.7
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Core2 Duo P8400
5.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

2.2

CPUBoss Score

Combination of all six facets

Core2 Duo P8400
2.2

Benchmarks Real world tests of the Intel Core2 Duo P8400

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Duo P8400
2,231

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Duo P8400
1,251

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo P8400
95,500 MB/s
Core i5 3210M
2,090,000 MB/s
Core2 Duo P8700
103,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Duo P8400
2,110

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Duo P8400
2,328

GeekBench

Core2 Duo P8400
3,641

PassMark Data courtesy Passmark

Core2 Duo P8400
1,478

PassMark (Single Core)

Core2 Duo P8400
906

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 4.39 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 2.55 GHz
Overclocked clock speed (Water) 2.26 GHz
PassMark (Overclocked) 887.7
Overclocked clock speed (Air) 2.55 GHz

integrated graphics

GPU None
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