Intel Core2 Duo E7500 vs Celeron E1200

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Intel Core2 Duo E7500

Intel Celeron E1200

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Reasons to consider the
Intel Core2 Duo E7500

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Much more l2 cache

3 MB

0.5 MB

6x more l2 cache; more data can be stored in the l2 cache for quick access later

Much higher clock speed

2.93 GHz

1.6 GHz

Around 85% higher clock speed

Much better PassMark score

1,877

861

Around 2.2x better PassMark score

Much better PassMark (Single core) score

1,204

578

More than 2x better PassMark (Single core) score

Much better geekbench 2 (32-bit) score

2,673

1,371

Around 95% better geekbench 2 (32-bit) score

Much newer manufacturing process

45 nm

65 nm

A newer manufacturing process allows for a more powerful, yet cooler running processor

Much better performance per watt

1.9 pt/W

0.78 pt/W

Around 2.5x better performance per watt

Much more l2 cache per core

1.5 MB/core

0.25 MB/core

6x more l2 cache per core

Has virtualization support

Yes

Somewhat common; Boosts performance of virtual machines

Much better overclocked clock speed (Air)

3.85 GHz

3.16 GHz

More than 20% better overclocked clock speed (Air)

Much better overclocked clock speed (Water)

4.06 GHz

2.69 GHz

More than 50% better overclocked clock speed (Water)

Higher Maximum operating temperature

74.1 °C

73.3 °C

Almost the same

Newer

Jan, 2009

Jan, 2008

Release date a year later

1,204

Celeron E1200

578

summary	Core2 Duo E7500	Celeron E1200
Clock speed	2.93 GHz	1.6 GHz
Cores	Dual core	Dual core
Socket type
LGA 775
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	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	1.9 pt/W	0.78 pt/W
Typical power consumption	52.81W	52.81W
bus
Architecture	FSB	FSB
Number of links	1	1
Clock speed	1,066 MHz	800 MHz

details	Core2 Duo E7500	Celeron E1200
Architecture	x86-64	x86-64
Threads	2	2
L2 cache	3 MB	0.5 MB
L2 cache per core	1.5 MB/core	0.25 MB/core
Manufacture process	45 nm	65 nm
Transistor count	228,000,000	105,000,000
Max CPUs	1	1
Clock multiplier	11	8
Voltage range	0.85 - 1.36V	0.85 - 1.5V
Operating temperature	Unknown - 74.1°C	Unknown - 73.3°C
overclocking
Overclocked clock speed	3.85 GHz	3.16 GHz
Overclocked clock speed (Water)	4.06 GHz	2.69 GHz
Overclocked clock speed (Air)	3.85 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 E7500

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Intel Celeron E1200

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	Much more l2 cache 3 MB		Much higher clock speed 2.93 GHz
	Much better PassMark score 1,877		Much better PassMark (Single core) score 1,204

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Intel Core2 Duo E7500 vs Celeron E1200