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Differences What are the advantages of each

Front view of Intel Core2 Duo E7500

Reasons to consider the
Intel Core2 Duo E7500

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Much 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 higher clock speed 2.93 GHz vs 2.2 GHz Around 35% higher clock speed
Much better geekbench 2 (32-bit) score 2,673 vs 983 Around 2.8x 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
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much higher Maximum operating temperature 74.1 °C vs 60.4 °C Around 25% higher Maximum operating temperature
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly better overclocked clock speed (Air) 3.85 GHz vs 3.57 GHz Around 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.06 GHz vs 3.12 GHz More than 30% better overclocked clock speed (Water)
Front view of Intel Celeron M 450

Reasons to consider the
Intel Celeron M 450

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Much lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost

Benchmarks Real world tests of Core2 Duo E7500 vs Celeron M 450

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 E7500
124,700 MB/s
Celeron M 450
92,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E7500  vs
Celeron M 450 
Clock speed 2.93 GHz 2.2 GHz
Cores Dual core Single core
Socket type
LGA 775
478
Slot 1
M

features

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

power consumption

TDP 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 1.9 pt/W 2.63 pt/W
Typical power consumption 52.81W 28.44W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 800 MHz

details

Core2 Duo E7500  vs
Celeron M 450 
Architecture x86-64 x86-64
Threads 2 1
L2 cache 3 MB 1 MB
L2 cache per core 1.5 MB/core 1 MB/core
Manufacture process 45 nm 65 nm
Transistor count 228,000,000 105,000,000
Max CPUs 1 1
Clock multiplier 11 11
Voltage range 0.85 - 1.36V 1 - 1.34V
Operating temperature Unknown - 74.1°C Unknown - 60.4°C

overclocking

Overclocked clock speed 3.85 GHz 3.57 GHz
Overclocked clock speed (Water) 4.06 GHz 3.12 GHz
Overclocked clock speed (Air) 3.85 GHz 3.57 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 E7500
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Intel Celeron M 450
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