CPUBoss Review Our evaluation of P8700 vs 4500U

Performance

Benchmark performance using all cores

3DMark06 (CPU), Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?

TDP

Features

How does CPUBoss rank the features of each product?

Features and specifications that differ between products

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Features

Winner
Intel Core i7 4500U 

CPUBoss recommends the Intel Core i7 4500U  based on its .

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Front view of Intel Core i7 4500U

Intel Core i7 4500U

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core2 Duo P8700

Reasons to consider the
Intel Core2 Duo P8700

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Much more l2 cache 3 MB vs 0.5 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.53 GHz vs 1.8 GHz More than 40% higher clock speed
Much better performance per dollar 13.47 pt/$ vs 1.49 pt/$ More than 9x better performance per dollar
Much more l2 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l2 cache per core
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i7 4500U

Reasons to consider the
Intel Core i7 4500U

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 4 vs 2 Twice as many threads
Better PassMark (Single core) score 1,596 vs 1,003 Around 60% better PassMark (Single core) score
Newer Jul, 2013 vs Dec, 2008 Release date over 4 years later
Better PassMark score 3,834 vs 1,663 More than 2.2x better PassMark score
Lower typical power consumption 12.19W vs 20.31W 40% lower typical power consumption
Better geekbench (64-bit) score 5,686 vs 2,628 Around 2.2x better geekbench (64-bit) score
Better performance per watt 39.17 pt/W vs 11.85 pt/W More than 3.2x better performance per watt
Better 3DMark06 CPU score 3,494 vs 2,253.5 More than 55% better 3DMark06 CPU score
Lower annual home energy cost 3.61 $/year vs 6.02 $/year 40% lower annual home energy cost

Benchmarks Real world tests of Core2 Duo P8700 vs Core i7 4500U

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

Passmark

Passmark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo P8700  vs
Core i7 4500U 
Clock speed 2.53 GHz 1.8 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

bus

Architecture FSB DMI 2.0
Number of links 1 1

details

Core2 Duo P8700  vs
Core i7 4500U 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 3 MB 0.5 MB
L2 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4400
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 1,100 MHz

power consumption

TDP 25W 15W
Annual home energy cost 6.02 $/year 3.61 $/year
Performance per watt 11.85 pt/W 39.17 pt/W
Typical power consumption 20.31W 12.19W
Intel Core2 Duo P8700
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Intel Core i7 4500U
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