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Differences What are the advantages of each

Front view of Intel E5-2658V4

Reasons to consider the
Intel E5-2658V4

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More l3 cache 35 MB vs 30 MB More than 15% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher Maximum operating temperature 91 °C vs 80 °C Around 15% higher Maximum operating temperature
More cores 14 vs 12 2 more cores; run more applications at once
More threads 28 vs 24 4 more threads
Front view of Intel E5-2650V4

Reasons to consider the
Intel E5-2650V4

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Slightly higher turbo clock speed 2.9 GHz vs 2.8 GHz Around 5% higher turbo clock speed
Slightly better overclocked clock speed (Air) 2.59 GHz vs 2.3 GHz Around 15% better overclocked clock speed (Air)

Features Key features of the E5-2658V4  vs E5-2650V4 

clock speed

E5-2658V4
2.3 GHz
E5-2650V4
2.2 GHz

turbo clock speed

E5-2658V4
2.8 GHz
E5-2650V4
2.9 GHz

L3 cache

E5-2658V4
35 MB
E5-2650V4
30 MB

overclocked clock speed (air)

E5-2658V4
2.3 GHz
E5-2650V4
2.59 GHz

overclocked clock speed (water)

E5-2658V4
2.3 GHz
E5-2650V4
2.2 GHz

TDP

E5-2658V4
105W
E5-2650V4
105W

Specifications Full list of technical specs

summary

E5-2658V4  vs
E5-2650V4 
Clock speed 2.3 GHz 2.2 GHz
Turbo clock speed 2.8 GHz 2.9 GHz
Cores Processing Cores Duodeca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
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 2 2
Data rate 76,800 MB/s 76,800 MB/s
Transfer rate 9,600 MT/s 9,600 MT/s
Clock speed 4,800 MHz 4,800 MHz

details

E5-2658V4  vs
E5-2650V4 
Architecture x86-64 x86-64
Threads 28 24
L3 cache 35 MB 30 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 91°C Unknown - 80°C

overclocking

Overclocked clock speed 2.3 GHz 2.59 GHz
Overclocked clock speed (Water) 2.3 GHz 2.2 GHz
Overclocked clock speed (Air) 2.3 GHz 2.59 GHz

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
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 1,572,864 MB 1,572,864 MB
Intel E5-2658V4
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Intel E5-2650V4
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