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Differences What are the advantages of each

Front view of Intel Xeon E7-4850

Reasons to consider the
Intel Xeon E7-4850

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Much more l3 cache 24 MB vs 18 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 2 GHz vs 1.86 GHz Around 10% higher clock speed
More threads 20 vs 12 8 more threads
Front view of Intel Xeon E7-4807

Reasons to consider the
Intel Xeon E7-4807

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Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Significantly more l3 cache per core 3 MB/core vs 2.4 MB/core More than 25% more l3 cache per core
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost
Slightly more l2 cache per core 0.33 MB/core vs 0.3 MB/core More than 10% more l2 cache per core

Features Key features of the Xeon E7-4850  vs E7-4807 

clock speed

Xeon E7-4850
2 GHz
Xeon E7-4807
1.86 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon E7-4850  vs
E7-4807 
Clock speed 2 GHz 1.86 GHz
Cores Deca core Hexa core
Socket type
LGA 1567

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 130W 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Typical power consumption 105.63W 77.19W

bus

Architecture QPI QPI
Number of links 1 1
Data rate 25,600 MB/s 19,200 MB/s
Transfer rate 6,400 MT/s 4,800 MT/s
Clock speed 3,200 MHz 2,400 MHz

details

Xeon E7-4850  vs
E7-4807 
Architecture x86-64 x86-64
Threads 20 12
L2 cache 3 MB 2 MB
L2 cache per core 0.3 MB/core 0.33 MB/core
L3 cache 24 MB 18 MB
L3 cache per core 2.4 MB/core 3 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 4
Clock multiplier 15 14
Operating temperature Unknown - 69°C Unknown - 70°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
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 2,097,152 MB 2,097,152 MB
Intel Xeon E7-4850
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Intel Xeon E7-4807
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