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Differences What are the advantages of each

Front view of Intel Pentium E2220

Reasons to consider the
Intel Pentium E2220

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better PassMark (Single core) score 892 vs 620 Around 45% better PassMark (Single core) score
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 better performance per watt 1.34 pt/W vs 0.71 pt/W More than 85% better performance per watt
Much lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Much higher Maximum operating temperature 73.3 °C vs 64.1 °C Around 15% higher Maximum operating temperature
Much better overclocked clock speed (Water) 3.5 GHz vs 2.66 GHz More than 30% better overclocked clock speed (Water)
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Newer Jan, 2008 vs Jan, 2005 Release date over 3 years later
Front view of Intel Pentium D 805

Reasons to consider the
Intel Pentium D 805

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2.66 GHz vs 2.4 GHz More than 10% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 3.5 GHz vs 3.27 GHz More than 5% better overclocked clock speed (Air)

Benchmarks Real world tests of Pentium E2220 vs D 805

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

Pentium E2220
102,200 MB/s
Pentium D 805
95,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium E2220  vs
D 805 
Clock speed 2.4 GHz 2.66 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 No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes No

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 1.34 pt/W 0.71 pt/W
Typical power consumption 52.81W 77.19W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 533 MHz

details

Pentium E2220  vs
D 805 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 90 nm
Transistor count 105,000,000 230,000,000
Max CPUs 1 1
Clock multiplier 12 20
Voltage range 0.85 - 1.5V 1.2 - 1.4V
Operating temperature Unknown - 73.3°C Unknown - 64.1°C

overclocking

Overclocked clock speed 3.27 GHz 3.5 GHz
Overclocked clock speed (Water) 3.5 GHz 2.66 GHz
Overclocked clock speed (Air) 3.27 GHz 3.5 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 Pentium E2220
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Intel Pentium D 805
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