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Differences What are the advantages of each

Front view of Intel Xeon E7220

Reasons to consider the
Intel Xeon E7220

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Supports more CPUs in SMP configuration 32 vs 1 31 supports more CPUs in SMP configuration
Much more l2 cache 8 MB vs 2 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.93 GHz vs 2 GHz More than 45% higher clock speed
Much more l2 cache per core 4 MB/core vs 1 MB/core 4x more l2 cache per core
Better overclocked clock speed (Air) 2.93 GHz vs 2.29 GHz Around 30% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.93 GHz vs 2 GHz More than 45% better overclocked clock speed (Water)
Front view of Intel Core2 Duo T7250

Reasons to consider the
Intel Core2 Duo T7250

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Much lower typical power consumption 28.44W vs 65W 2.3x lower typical power consumption
Much lower annual commercial energy cost 30.66 $/year vs 70.08 $/year 2.3x lower annual commercial energy cost
Much lower annual home energy cost 8.43 $/year vs 19.27 $/year 2.3x lower annual home energy cost

Features Key features of the Xeon E7220  vs Core2 Duo T7250 

clock speed

Xeon E7220
2.93 GHz

L2 cache

overclocked clock speed (air)

Xeon E7220
2.93 GHz
Core2 Duo T7250
2.29 GHz

overclocked clock speed (water)

Xeon E7220
2.93 GHz

Specifications Full list of technical specs

summary

Xeon E7220  vs
Core2 Duo T7250 
Clock speed 2.93 GHz 2 GHz
Cores Dual core Dual core
Socket type
604
479
P

features

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

power consumption

TDP 80W 35W
Annual home energy cost 19.27 $/year 8.43 $/year
Annual commercial energy cost 70.08 $/year 30.66 $/year
Typical power consumption 65W 28.44W

bus

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

details

Xeon E7220  vs
Core2 Duo T7250 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 8 MB 2 MB
L2 cache per core 4 MB/core 1 MB/core
Manufacture process 65 nm 65 nm
Transistor count 582,000,000 291,000,000
Max CPUs 32 1
Clock multiplier 11 10
Voltage range 1 - 1.5V 1.07 - 1.18V

overclocking

Overclocked clock speed 2.93 GHz 2.29 GHz
Overclocked clock speed (Water) 2.93 GHz 2 GHz
Overclocked clock speed (Air) 2.93 GHz 2.29 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 Xeon E7220
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Intel Core2 Duo T7250
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