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Differences What are the advantages of each

Front view of Intel Xeon E7-4830

Reasons to consider the
Intel Xeon E7-4830

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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
Higher clock speed 2.13 GHz vs 2 GHz More than 5% higher clock speed
Higher turbo clock speed 2.4 GHz vs 2.27 GHz More than 5% higher turbo clock speed
Significantly more l3 cache per core 3 MB/core vs 2.25 MB/core Around 35% more l3 cache per core
Front view of Intel Xeon E7-4820

Reasons to consider the
Intel Xeon E7-4820

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CPUBoss is not aware of any important advantages of the E7-4820 vs the E7-4830.

Features Key features of the Xeon E7-4830  vs E7-4820 

clock speed

Xeon E7-4830
2.13 GHz
Xeon E7-4820
2 GHz

turbo clock speed

Xeon E7-4830
2.4 GHz
Xeon E7-4820
2.27 GHz

L2 cache

L3 cache

TDP

Specifications Full list of technical specs

summary

Xeon E7-4830  vs
E7-4820 
Clock speed 2.13 GHz 2 GHz
Turbo clock speed 2.4 GHz 2.27 GHz
Cores Octa core Octa 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 105W 105W
Annual home energy cost 25.29 $/year 25.29 $/year
Annual commercial energy cost 91.98 $/year 91.98 $/year
Typical power consumption 85.31W 85.31W

bus

Architecture QPI QPI
Number of links 1 1
Data rate 25,600 MB/s 23,464 MB/s
Transfer rate 6,400 MT/s 5,860 MT/s
Clock speed 3,200 MHz 2,930 MHz

details

Xeon E7-4830  vs
E7-4820 
Architecture x86-64 x86-64
Threads 16 16
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 24 MB 18 MB
L3 cache per core 3 MB/core 2.25 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 4
Clock multiplier 16 15
Operating temperature Unknown - 64°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
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 E7-4830
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Intel Xeon E7-4820
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