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Differences What are the advantages of each

Front view of Intel Core2 Duo E8500

Reasons to consider the
Intel Core2 Duo E8500

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Much higher clock speed 3.16 GHz vs 2.2 GHz Around 45% higher clock speed
Much better PassMark score 2,291 vs 1,275 Around 80% better PassMark score
Much better geekbench 2 (32-bit) score 2,970 vs 1,988 Around 50% better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.46 GHz vs 3.16 GHz More than 40% better overclocked clock speed (Air)
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 4.42 GHz vs 3.52 GHz More than 25% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E4500

Reasons to consider the
Intel Core2 Duo E4500

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Higher Maximum operating temperature 73.3 °C vs 72.4 °C Almost the same

Benchmarks Real world tests of Core2 Duo E8500 vs E4500

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

Core2 Duo E8500
129,700 MB/s
Core2 Duo E4500
93,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8500  vs
E4500 
Clock speed 3.16 GHz 2.2 GHz
Cores Dual core Dual core
Socket type
LGA 775

features

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

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.93 pt/W 1.38 pt/W
Typical power consumption 52.81W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 800 MHz

details

Core2 Duo E8500  vs
E4500 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 2 MB
L2 cache per core 3 MB/core 1 MB/core
Manufacture process 45 nm 65 nm
Transistor count 410,000,000 167,000,000
Max CPUs 1 1
Clock multiplier 9 11
Voltage range 0.85 - 1.36V 0.85 - 1.5V
Operating temperature Unknown - 72.4°C Unknown - 73.3°C

overclocking

Overclock popularity 33 9
Overclocked clock speed 4.46 GHz 3.16 GHz
Overclocked clock speed (Water) 4.42 GHz 3.52 GHz
Overclocked clock speed (Air) 4.46 GHz 3.16 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Core2 Duo E8500
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Intel Core2 Duo E4500
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