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 12.59 pt/$ vs 1.6 pt/$ Around 8x 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
Newer manufacturing process 22 nms vs 45 nms A newer manufacturing process allows for a more powerful, yet cooler running processor
Is hyperthreaded Yes vs No Somewhat common; Maximizes usage of each CPU core
More threads 4 vs 2 Twice as many threads
Better PassMark (Single core) score 1,601 vs 1,009 Around 60% better PassMark (Single core) score
Significantly better performance per watt 41.86 pt/W vs 12.59 pt/W More than 3.2x better performance per watt
Marginally newer Jul, 2013 vs Dec, 2008 Release date over 4 years later
Better PassMark score 3,871 vs 1,669 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 5,575 vs 2,593 Around 2.2x better geekbench (64-bit) score
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

3D Mark 06 (CPU)

On average I measured a 15% increase in the subset of game tests I was able to run in Taipei, and a 13% increase in performance across our 3DMark tests.
Core i7 4500U | by Anand-Lal-Shimpi (Jun, 2013)

Passmark

PCMark 7 and single-threaded Cinebench show a 3 - 6% increase in performance, while multithreaded Cinebench and x264 show a 3 - 5% decrease in performance.
Core i7 4500U | by Anand-Lal-Shimpi (Jun, 2013)

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
Is hyperthreaded No Yes

features

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

power consumption

TDP 25W 15W
Annual home energy cost 6.02 $/year 3.61 $/year
Performance per watt 12.59 pt/W 41.86 pt/W
Typical power consumption 20.31W 12.19W

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 nms 22 nms
Max CPUs 1 1

gpu

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

bus

Architecture FSB FSB
Number of links 1 1
Intel Core2 Duo P8700
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Intel Core i7 4500U
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