CPUBoss Review Our evaluation of P8700 vs 4000M

Performance

Benchmark performance using all cores
Core2 Duo P8700
6.2
Core i3 4000M
6.7
3DMark06 (CPU), PassMark and GeekBench

Single-core Performance

Individual core benchmark performance
Core2 Duo P8700
7.2
Core i3 4000M
8.0
PassMark (Single Core)

Power Consumption

How much power does the processor require?
Core2 Duo P8700
8.0
Core i3 4000M
7.0
TDP

Value

Core2 Duo P8700
10.0
Core i3 4000M
8.6
Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Value
Core2 Duo P8700
7.2
Core i3 4000M
7.3

Winner
Intel Core i3 4000M 

CPUBoss recommends the Intel Core i3 4000M  based on its performance and single-core performance.

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VS

Intel Core2 Duo P8700

Front view of Intel Core2 Duo P8700
Front view of Intel Core i3 4000M

Intel Core i3 4000M

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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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Significantly more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better performance per dollar 13.64 pt/$ vs 5.21 pt/$ More than 2.5x better performance per dollar
Much more l2 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l2 cache per core
Slightly higher clock speed 2.53 GHz vs 2.4 GHz More than 5% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Lower typical power consumption 20.31W vs 30.06W More than 30% lower typical power consumption
Better overclocked clock speed (Air) 2.84 GHz vs 2.4 GHz Around 20% better overclocked clock speed (Air)
Lower annual home energy cost 6.02 $/year vs 8.91 $/year More than 30% lower annual home energy cost
Slightly better overclocked clock speed (Water) 2.53 GHz vs 2.4 GHz More than 5% better overclocked clock speed (Water)
Front view of Intel Core i3 4000M

Reasons to consider the
Intel Core i3 4000M

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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
Newer Oct, 2013 vs Dec, 2008 Release date over 4 years later
More threads 4 vs 2 Twice as many threads
Better geekbench 3 single core score 1,975 vs 1,395 More than 40% better geekbench 3 single core score
Better geekbench 3 Multi-Core score 4,188 vs 2,487 Around 70% better geekbench 3 Multi-Core score
Better geekbench 2 (64-bit) score 4,462 vs 2,628 Around 70% better geekbench 2 (64-bit) score
Better 3DMark06 CPU score 3,098 vs 2,253.5 More than 35% better 3DMark06 CPU score

Benchmarks Real world tests of Core2 Duo P8700 vs Core i3 4000M

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Duo P8700
2,487
Core i3 4000M
4,188

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Duo P8700
1,395
Core i3 4000M
1,975

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo P8700
103,300 MB/s
Core i3 4000M
136,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Duo P8700
2,318
Core i3 4000M
4,121

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Duo P8700
2,628
Core i3 4000M
4,462

3D Mark 06 (CPU)

Core2 Duo P8700
2,253.5
Core i3 4000M
3,098

Specifications Full list of technical specs

summary

 Core2 Duo P8700  vs
Core i3 4000M 
Clock speed 2.53 GHz 2.4 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
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 25W 37W
Annual home energy cost 6.02 $/year 8.91 $/year
Performance per watt 7.64 pt/W 11.12 pt/W
Typical power consumption 20.31W 30.06W

details

 Core2 Duo P8700  vs
Core i3 4000M 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 3 MB 1 MB
L2 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1

overclocking
Overclocked clock speed 2.84 GHz 2.4 GHz
Overclocked clock speed (Water) 2.53 GHz 2.4 GHz
Overclocked clock speed (Air) 2.84 GHz 2.4 GHz

integrated graphics
GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 400 MHz
Turbo clock speed N/A 1,100 MHz

bus
Architecture FSB DMI 2.0
Number of links 1 1
Intel Core2 Duo P8700
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Intel Core i3 4000M
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