CPUBoss Review Our evaluation of U5400 vs P8600 among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Pentium U5400

Reasons to consider the
Intel Pentium U5400

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of Intel Core2 Duo P8600

Reasons to consider the
Intel Core2 Duo P8600

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Benchmarks Real world tests of Pentium U5400 vs Core2 Duo P8600

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium U5400
46.8 MB/s
Core2 Duo P8600
97,400 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium U5400  vs
Core2 Duo P8600 
Clock speed 1.2 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
BGA 1288
478
479
P

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 18W 25W
Annual home energy cost 4.34 $/year 6.02 $/year
Performance per watt 1.88 pt/W 3.98 pt/W
Typical power consumption 14.63W 20.31W

details

Pentium U5400  vs
Core2 Duo P8600 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 3 MB
L2 cache per core 0.5 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Transistor count 382,000,000 410,000,000
Max CPUs 1 1
Clock multiplier 9 9

overclocking

Overclocked clock speed 1.2 GHz 2.77 GHz
Overclocked clock speed (Water) 1.2 GHz 2.4 GHz
Overclocked clock speed (Air) 1.2 GHz 2.77 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 166 MHz N/A
Turbo clock speed 500 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1
Intel Pentium U5400
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Intel Core2 Duo P8600
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