	Higher clock speed 2.1 GHz		More threads 16
	Better overclocked clock speed (Air) 2.37 GHz		Significantly better overclocked clock speed (Water) 2.58 GHz

summary	E5-2620V4	E5-2609V4
Clock speed	2.1 GHz	1.7 GHz
Cores	Octa core	Octa 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	85W	85W
Annual home energy cost	20.48 $/year	20.48 $/year
Annual commercial energy cost	74.46 $/year	74.46 $/year
Typical power consumption	69.06W	69.06W
bus
Architecture	QPI	QPI
Number of links	2	2
Data rate	64,000 MB/s	51,200 MB/s
Transfer rate	8,000 MT/s	6,400 MT/s
Clock speed	4,000 MHz	3,200 MHz

details	E5-2620V4	E5-2609V4
Architecture	x86-64	x86-64
Threads	16	8
L3 cache	20 MB	20 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 - 74°C	Unknown - 74°C
overclocking
Overclocked clock speed	2.37 GHz	1.7 GHz
Overclocked clock speed (Water)	2.58 GHz	1.7 GHz
Overclocked clock speed (Air)	2.37 GHz	1.7 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 E5-2620V4 vs E5-2609V4

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