Intel Xeon E5-4620 v2 vs E5 2650 v2

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Intel Xeon E5-4620 v2

Intel Xeon E5 2650 v2

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Reasons to consider the
Intel Xeon E5-4620 v2

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Supports more CPUs in SMP configuration

Twice as many CPUs in SMP configuration

Reasons to consider the
Intel Xeon E5 2650 v2

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Significantly higher turbo clock speed

3.4 GHz

3 GHz

Around 15% higher turbo clock speed

Much better performance per watt

8.85 pt/W

4.06 pt/W

Around 2.2x better performance per watt

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-4620 v2

25,457

Xeon E5 2650 v2

9,380

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-4620 v2

2,175

Xeon E5 2650 v2

2,285

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-4620 v2

143,500 MB/s

Xeon E5 2650 v2

1,800,000 MB/s

summary	Xeon E5-4620 v2	E5 2650 v2
Clock speed	2.6 GHz	2.6 GHz
Turbo clock speed	3 GHz	3.4 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
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling	Yes	Yes
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels	Quad Channel	Quad Channel
Supports ECC	Yes	Yes
Maximum bandwidth	51,200 MB/s	59,733.32 MB/s
Maximum memory size	786,432 MB	786,432 MB

details	Xeon E5-4620 v2	E5 2650 v2
Architecture	x86-64	x86-64
Threads	16	16
L3 cache	20 MB	20 MB
L3 cache per core	2.5 MB/core	2.5 MB/core
Manufacture process	22 nm	22 nm
Max CPUs	4	2
Operating temperature	Unknown - 75°C	Unknown - 75°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
power consumption
TDP	95W	95W
Annual home energy cost	22.89 $/year	22.89 $/year
Annual commercial energy cost	83.22 $/year	83.22 $/year
Performance per watt	4.06 pt/W	8.85 pt/W
Typical power consumption	77.19W	77.19W
bus
Architecture	QPI	QPI
Number of links	2	2
Data rate	57,600 MB/s	64,000 MB/s
Transfer rate	7,200 MT/s	8,000 MT/s
Clock speed	3,600 MHz	4,000 MHz

Intel Xeon E5-4620 v2

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Intel Xeon E5 2650 v2

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	VS
		$1,155
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Intel Xeon E5-4620 v2 vs E5 2650 v2