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Intel Xeon E3-1220

CPUBoss Winner
Front view of Intel Xeon E3-1220

Differences What are the advantages of each

Front view of Intel Xeon E3-1220

Reasons to consider the
Intel Xeon E3-1220

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Much better performance per dollar 4.59 pt/$ vs 2.24 pt/$ More than 2x better performance per dollar
Higher clock speed 3.1 GHz vs 2.5 GHz Around 25% higher clock speed
More l3 cache 8 MB vs 3 MB Around 2.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 12.06 pt/W vs 4.09 pt/W Around 3x better performance per watt
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 6,076 vs 2,475 Around 2.5x better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly better overclocked clock speed (Air) 3.49 GHz vs 2.62 GHz Around 35% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,722 vs 1,370 More than 25% better PassMark (Single core) score
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Water) 3.1 GHz vs 2.62 GHz Around 20% better overclocked clock speed (Water)
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
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 65W 2.3x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Jan, 2013 vs Apr, 2011 Release date over 1 years later
Much lower annual home energy cost 8.43 $/year vs 19.27 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 70.08 $/year 2.3x lower annual commercial energy cost

Benchmarks Real world tests of Xeon E3-1220 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 E3-1220
2,320,000 MB/s
Pentium G2020T
131,950 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1220  vs
Pentium G2020T 
Clock speed 3.1 GHz 2.5 GHz
Cores Quad 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 80W 35W
Annual home energy cost 19.27 $/year 8.43 $/year
Annual commercial energy cost 70.08 $/year 30.66 $/year
Performance per watt 12.06 pt/W 4.09 pt/W
Typical power consumption 65W 28.44W

bus

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

details

Xeon E3-1220  vs
Pentium G2020T 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 31 25

overclocking

Overclocked clock speed 3.49 GHz 2.62 GHz
Overclocked clock speed (Water) 3.1 GHz 2.62 GHz
Overclocked clock speed (Air) 3.49 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
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Xeon E3-1220
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Intel Pentium G2020T
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