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Differences What are the advantages of each

Front view of Intel Xeon X3450

Reasons to consider the
Intel Xeon X3450

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Much higher clock speed 2.66 GHz vs 1.8 GHz Around 50% higher clock speed
Much higher turbo clock speed 3.2 GHz vs 2 GHz More than 60% higher turbo clock speed
Front view of Intel Xeon E5-2428L

Reasons to consider the
Intel Xeon E5-2428L

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Much more l3 cache 15 MB vs 8 MB Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later
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
More cores 6 vs 4 2 more cores; run more applications at once
Much higher Maximum operating temperature 89 °C vs 72.7 °C More than 20% higher Maximum operating temperature
Supports more RAM 393,216 MB vs 32,768 MB Supports 12x more RAM
More threads 12 vs 8 4 more threads
Significantly lower typical power consumption 48.75W vs 77.19W More than 35% lower typical power consumption
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual commercial energy cost 52.56 $/year vs 83.22 $/year More than 35% lower annual commercial energy cost
Significantly lower annual home energy cost 14.45 $/year vs 22.89 $/year More than 35% lower annual home energy cost
Newer May, 2012 vs Sep, 2009 Release date over 2 years later

Features Key features of the Xeon X3450  vs E5-2428L 

clock speed

Xeon X3450
2.66 GHz
Xeon E5-2428L
1.8 GHz

turbo clock speed

Xeon X3450
3.2 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon X3450  vs
E5-2428L 
Clock speed 2.66 GHz 1.8 GHz
Turbo clock speed 3.2 GHz 2 GHz
Cores Quad core Hexa core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 95W 60W
Annual home energy cost 22.89 $/year 14.45 $/year
Annual commercial energy cost 83.22 $/year 52.56 $/year
Typical power consumption 77.19W 48.75W

bus

Architecture DMI QPI
Number of links 1 1
Transfer rate 2,500 MT/s 7,200 MT/s

details

Xeon X3450  vs
E5-2428L 
Architecture x86-64 x86-64
Threads 8 12
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 8 MB 15 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 2
Operating temperature Unknown - 72.7°C Unknown - 89°C

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 31,999.98 MB/s
Maximum memory size 32,768 MB 393,216 MB
Intel Xeon X3450
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Intel Xeon E5-2428L
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