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Differences What are the advantages of each

Front view of Intel Xeon E7-4807

Reasons to consider the
Intel Xeon E7-4807

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Supports more RAM 2,097,152 MB vs 1,048,576 MB Supports 2x more RAM
Higher clock speed 1.86 GHz vs 1.73 GHz Around 10% higher clock speed
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
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 E7-2803

Reasons to consider the
Intel Xeon E7-2803

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CPUBoss is not aware of any important advantages of the E7-2803 vs the E7-4807.

Features Key features of the Xeon E7-4807  vs E7-2803 

clock speed

Xeon E7-4807
1.86 GHz
Xeon E7-2803
1.73 GHz

L2 cache

L3 cache


Specifications Full list of technical specs


Xeon E7-4807  vs
Clock speed 1.86 GHz 1.73 GHz
Cores Hexa core Hexa core
Socket type
LGA 1567


Has a NX bit Yes Yes
Supports trusted computing Yes 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 1 1
Data rate 19,200 MB/s 19,200 MB/s
Transfer rate 4,800 MT/s 4,800 MT/s
Clock speed 2,400 MHz 2,400 MHz


Xeon E7-4807  vs
Architecture x86-64 x86-64
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 18 MB 18 MB
L3 cache per core 3 MB/core 3 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 2
Clock multiplier 14 13
Operating temperature Unknown - 70°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 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 1,048,576 MB
Intel Xeon E7-4807
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Intel Xeon E7-2803
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