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Differences What are the advantages of each

Front view of Intel Xeon X5570

Reasons to consider the
Intel Xeon X5570

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Much higher clock speed 2.93 GHz vs 2.13 GHz Around 40% higher clock speed
Much higher turbo clock speed 3.33 GHz vs 2.53 GHz More than 30% higher turbo clock speed
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost
Front view of Intel Xeon E7-8867L

Reasons to consider the
Intel Xeon E7-8867L

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Supports more RAM 4,194,304 MB vs 147,456 MB Supports around 28.5x more RAM
Much more l3 cache 30 MB vs 8 MB 3.8x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
More threads 20 vs 8 12 more threads
More cores 10 vs 4 6 more cores; run more applications at once
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
More l2 cache per core 0.3 MB/core vs 0.25 MB/core Around 20% more l2 cache per core
Newer Apr, 2011 vs Mar, 2009 Release date over 2 years later

Features Key features of the Xeon X5570  vs E7-8867L 

clock speed

Xeon X5570
2.93 GHz
Xeon E7-8867L
2.13 GHz

turbo clock speed

Xeon X5570
3.33 GHz
Xeon E7-8867L
2.53 GHz

L2 cache

L3 cache


Specifications Full list of technical specs


Xeon X5570  vs
Clock speed 2.93 GHz 2.13 GHz
Turbo clock speed 3.33 GHz 2.53 GHz
Cores Quad core Deca core
Socket type
LGA 1366
LGA 1567


Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Typical power consumption 77.19W 85.31W


Architecture QPI QPI
Number of links 2 1
Data rate 51,200 MB/s 25,600 MB/s
Transfer rate 6,400 MT/s 6,400 MT/s
Clock speed 3,200 MHz 3,200 MHz


Xeon X5570  vs
Architecture x86-64 x86-64
Threads 8 20
L2 cache 1 MB 3 MB
L2 cache per core 0.25 MB/core 0.3 MB/core
L3 cache 8 MB 30 MB
L3 cache per core 2 MB/core 3 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 8
Clock multiplier 22 16
Operating temperature Unknown - 75°C Unknown - 64°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
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 147,456 MB 4,194,304 MB
Intel Xeon X5570
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Intel Xeon E7-8867L
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