Intel Xeon X5650 vs E5-2620

older Released March, 2010

Intel Xeon X5650

2.66 GHz
Hexa core

Front view of Intel Xeon X5650

5.3 Out of 10

Reasons to buy the Intel Xeon X5650

	Much higher clock speed 2.66 GHz		Significantly higher turbo clock speed 3.06 GHz
	Much higher Maximum operating temperature 81.3 °C		Much better overclocked clock speed (Air) 3.84 GHz

VS

older Released March, 2012

Intel Xeon E5-2620

2 GHz
Hexa core
Unlocked

Front view of Intel Xeon E5-2620

5.3 Out of 10

Reasons to buy the E5-2620

	Significantly more l3 cache 15 MB		Supports more RAM 393,216 MB
	More l3 cache per core 2.5 MB/core		Newer Mar, 2012

	Performance
	Benchmark performance using all cores
Xeon X5650 6.2 Xeon E5-2620 6.0 Core i7 3770K 7.4
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon X5650 6.9 Xeon E5-2620 6.7 Core i7 3770K 8.5
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon X5650 0.0 Xeon E5-2620 0.0 Core i7 3770K 7.2
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon X5650 0.0 Xeon E5-2620 0.0 Core i7 3770K 6.7
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon X5650 5.0 Xeon E5-2620 5.0 Core i7 3770K 5.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon X5650 n.d. Xeon E5-2620 n.d. Core i7 3770K 6.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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Intel Xeon X5650

Front view of Intel Xeon X5650

Front view of Intel Xeon E5-2620

Intel Xeon E5-2620

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Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

Report a correction

Much higher clock speed

2.66 GHz

vs

2 GHz

Around 35% higher clock speed

Significantly higher turbo clock speed

3.06 GHz

vs

2.5 GHz

More than 20% higher turbo clock speed

Much higher Maximum operating temperature

81.3 °C

vs

77.4 °C

More than 5% higher Maximum operating temperature

Much better overclocked clock speed (Air)

3.84 GHz

vs

2.28 GHz

Around 70% better overclocked clock speed (Air)

Much better overclocked clock speed (Water)

4.64 GHz

vs

2 GHz

More than 2.2x better overclocked clock speed (Water)

Front view of Intel Xeon E5-2620

Reasons to consider the
Intel Xeon E5-2620

Report a correction

Significantly more l3 cache

15 MB

vs

12 MB

25% more l3 cache; more data can be stored in the l3 cache for quick access later

Supports more RAM

393,216 MB

vs

294,912 MB

Supports around 35% more RAM

More l3 cache per core

2.5 MB/core

vs

2 MB/core

25% more l3 cache per core

Newer

Mar, 2012

vs

Mar, 2010

Release date over 2 years later

GeekBench 3 (Multi-core) Data courtesy Primate Labs

22,313

10,510

GeekBench 3 (Single core) Data courtesy Primate Labs

2,176

1,736

GeekBench 3 (AES single core) Data courtesy Primate Labs

1,470,000 MB/s

1,315,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

13,247

12,059

GeekBench (64-bit) Data courtesy Primate Labs

13,603

13,391

GeekBench

14,009

13,391

PassMark Data courtesy Passmark

7,510

7,957

PassMark (Single Core)

1,234

1,231

summary	Xeon X5650	vs	E5-2620
Clock speed	2.66 GHz		2 GHz
Turbo clock speed	3.06 GHz		2.5 GHz
Cores	Hexa core		Hexa core
Socket type
LGA 1366
LGA 2011
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
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	7.89 pt/W		6.57 pt/W
Typical power consumption	77.19W		77.19W
memory controller
Memory controller	Built-in		Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels	Triple Channel		Quad Channel
Supports ECC	Yes		Yes
Maximum bandwidth	31,999.98 MB/s		42,666.64 MB/s
Maximum memory size	294,912 MB		393,216 MB

details	Xeon X5650	vs	E5-2620
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	12 MB		15 MB
L3 cache per core	2 MB/core		2.5 MB/core
Manufacture process	32 nm		32 nm
Max CPUs	2		2
Clock multiplier	20		25
Voltage range	0.75 - 1.35V		0.6 - 1.35V
Operating temperature	Unknown - 81.3°C		Unknown - 77.4°C
overclocking
Overclock popularity	11		4
Overclocked clock speed	3.84 GHz		2.28 GHz
Overclocked clock speed (Water)	4.64 GHz		2 GHz
Overclocked clock speed (Air)	3.84 GHz		2.28 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
bus
Architecture	QPI		QPI
Number of links	2		2
Data rate	51,200 MB/s		57,600 MB/s
Transfer rate	6,400 MT/s		7,200 MT/s
Clock speed	3,200 MHz		3,600 MHz

Intel Xeon X5650

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Intel Xeon E5-2620

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Intel Xeon E5620 vs E5-2620

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