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Differences What are the advantages of each

Front view of Intel Xeon E3-1220LV2

Reasons to consider the
Intel Xeon E3-1220LV2

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Significantly better geekbench 3 Multi-Core score 5,725 vs 3,415 Around 70% better geekbench 3 Multi-Core score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better performance per watt 8.68 pt/W vs 4.09 pt/W More than 2x better performance per watt
Lower typical power consumption 13.81W vs 28.44W 2.1x lower typical power consumption
Better PassMark (Single core) score 1,708 vs 1,370 Around 25% better PassMark (Single core) score
More threads 4 vs 2 Twice as many threads
Lower annual home energy cost 4.1 $/year vs 8.43 $/year 2.1x lower annual home energy cost
Lower annual commercial energy cost 14.89 $/year vs 30.66 $/year 2.1x lower annual commercial energy cost
Front view of Intel Pentium G2020T

Reasons to consider the
Intel Pentium G2020T

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per dollar 2.24 pt/$ vs 0.78 pt/$ More than 2.8x better performance per dollar
Higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed
Significantly better overclocked clock speed (Air) 2.62 GHz vs 1.8 GHz More than 45% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 2.62 GHz vs 1.8 GHz More than 45% better overclocked clock speed (Water)
Newer Jan, 2013 vs May, 2012 Release date 8 months later

Benchmarks Real world tests of Xeon E3-1220LV2 vs Pentium G2020T

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

Xeon E3-1220LV2
182.8 MB/s
Pentium G2020T
131,950 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1220LV2  vs
Pentium G2020T 
Clock speed 2.3 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 35W
Annual home energy cost 4.1 $/year 8.43 $/year
Annual commercial energy cost 14.89 $/year 30.66 $/year
Performance per watt 8.68 pt/W 4.09 pt/W
Typical power consumption 13.81W 28.44W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1220LV2  vs
Pentium G2020T 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 22 25

overclocking

Overclocked clock speed 1.8 GHz 2.62 GHz
Overclocked clock speed (Water) 1.8 GHz 2.62 GHz
Overclocked clock speed (Air) 1.8 GHz 2.62 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 33,003.52 MB 32,768 MB
Intel Xeon E3-1220LV2
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Intel Pentium G2020T
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