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Differences What are the advantages of each

Front view of Intel Xeon E7-8850

Reasons to consider the
Intel Xeon E7-8850

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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
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much more l3 cache 24 MB vs 6 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 4,194,304 MB vs 32,768 MB Supports 128x more RAM
More threads 20 vs 4 16 more threads
More cores 10 vs 4 6 more cores; run more applications at once
Significantly more l3 cache per core 2.4 MB/core vs 1.5 MB/core 60% more l3 cache per core
Newer Apr, 2011 vs Jan, 2011 Release date 3 months later
Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Significantly higher clock speed 3.1 GHz vs 2 GHz More than 55% higher clock speed
Significantly higher turbo clock speed 3.4 GHz vs 2.4 GHz More than 40% higher turbo clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better overclocked clock speed (Air) 3.54 GHz vs 2 GHz More than 75% better overclocked clock speed (Air)
Lower typical power consumption 93.6W vs 105.63W More than 10% lower typical power consumption
Much better overclocked clock speed (Water) 3.51 GHz vs 2 GHz More than 75% better overclocked clock speed (Water)
Slightly higher Maximum operating temperature 72.6 °C vs 69 °C More than 5% higher Maximum operating temperature
Lower annual home energy cost 27.75 $/year vs 31.32 $/year More than 10% lower annual home energy cost
Lower annual commercial energy cost 100.92 $/year vs 113.88 $/year More than 10% lower annual commercial energy cost

Features Key features of the Xeon E7-8850  vs Core i5 2400 

clock speed

Xeon E7-8850
2 GHz
Core i5 2400
3.1 GHz

turbo clock speed

Xeon E7-8850
2.4 GHz
Core i5 2400
3.4 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E7-8850
2 GHz
Core i5 2400
3.54 GHz

overclocked clock speed (water)

Xeon E7-8850
2 GHz
Core i5 2400
3.51 GHz

Specifications Full list of technical specs

summary

Xeon E7-8850  vs
Core i5 2400 
Clock speed 2 GHz 3.1 GHz
Turbo clock speed 2.4 GHz 3.4 GHz
Cores Deca core Quad core
Socket type
LGA 1567
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
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 130W 95W
Annual home energy cost 31.32 $/year 27.75 $/year
Annual commercial energy cost 113.88 $/year 100.92 $/year
Typical power consumption 105.63W 93.6W

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 6,400 MT/s 5,000 MT/s

details

Xeon E7-8850  vs
Core i5 2400 
Architecture x86-64 x86-64
Threads 20 4
L2 cache 3 MB 1 MB
L2 cache per core 0.3 MB/core 0.25 MB/core
L3 cache 24 MB 6 MB
L3 cache per core 2.4 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 8 1
Clock multiplier 15 31
Operating temperature Unknown - 69°C Unknown - 72.6°C

overclocking

Overclocked clock speed 2 GHz 3.54 GHz
Overclocked clock speed (Water) 2 GHz 3.51 GHz
Overclocked clock speed (Air) 2 GHz 3.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
DDR
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 4,194,304 MB 32,768 MB
Intel Xeon E7-8850
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Intel Core i5 2400
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