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Front view of Intel G3900T

Intel G3900T

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5450

Reasons to consider the
Intel Xeon E5450

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Higher clock speed 3 GHz vs 2.6 GHz More than 15% higher clock speed
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly better overclocked clock speed (Air) 3.83 GHz vs 2.6 GHz More than 45% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Better PassMark score 4,244 vs 2,944 Around 45% better PassMark score
Much better overclocked clock speed (Water) 4.1 GHz vs 2.6 GHz Around 60% better overclocked clock speed (Water)
Front view of Intel G3900T

Reasons to consider the
Intel G3900T

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Much newer manufacturing process 14 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 28.44W vs 65W 2.3x lower typical power consumption
Newer Oct, 2015 vs Nov, 2007 Release date over 8 years later
Better performance per watt 4.14 pt/W vs 2.1 pt/W More than 95% better performance per watt
Better PassMark (Single core) score 1,510 vs 1,270 Around 20% better PassMark (Single core) score
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 E5450 vs G3900T

PassMark Data courtesy Passmark

Xeon E5450
4,244
G3900T
2,944

PassMark (Single Core)

Xeon E5450
1,270
G3900T
1,510

Specifications Full list of technical specs

summary

Xeon E5450  vs
G3900T 
Clock speed 3 GHz 2.6 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
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 2.1 pt/W 4.14 pt/W
Typical power consumption 65W 28.44W

details

Xeon E5450  vs
G3900T 
Architecture x86-64 x86-64
Threads 4 2
Manufacture process 45 nm 14 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 3.83 GHz 2.6 GHz
Overclocked clock speed (Water) 4.1 GHz 2.6 GHz
Overclocked clock speed (Air) 3.83 GHz 2.6 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 510
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 950 MHz

bus

Architecture FSB FSB
Number of links 1 1
Intel Xeon E5450
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Intel G3900T
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