Intel Xeon L5520 vs E5520

older Released March, 2009

Intel Xeon L5520

2.26 GHz
Quad core

Front view of Intel Xeon L5520

5.1 Out of 10

Reasons to buy the Intel Xeon L5520

	Lower typical power consumption 48.75W		Better overclocked clock speed (Air) 3.42 GHz
	Lower annual commercial energy cost 52.56 $/year		Lower annual home energy cost 14.45 $/year

VS

older Released March, 2009

Intel Xeon E5520

2.26 GHz
Quad core

Front view of Intel Xeon E5520

5.2 Out of 10

Reasons to buy the E5520

Better overclocked clock speed (Water)

4.27 GHz

	Performance
	Benchmark performance using all cores
Xeon L5520 5.5 Xeon E5520 5.7 Core i7 3770K 6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon L5520 7.7 Xeon E5520 7.7 Core i7 3770K 9.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon L5520 n.d. Xeon E5520 n.d. Core i7 3770K n.d.
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon L5520 0.0 Xeon E5520 0.0 Core i7 3770K 6.1
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon L5520 5.1 Xeon E5520 5.1 Core i7 3770K 5.2
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon L5520 n.d. Xeon E5520 n.d. Core i7 3770K 8.1
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 L5520

CPUBoss Winner

Front view of Intel Xeon L5520

Front view of Intel Xeon E5520

Intel Xeon E5520

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Front view of Intel Xeon L5520

Reasons to consider the
Intel Xeon L5520

Report a correction

Lower typical power consumption

48.75W

vs

65W

25% lower typical power consumption

Better overclocked clock speed (Air)

3.42 GHz

vs

3.28 GHz

Around 5% better overclocked clock speed (Air)

Lower annual commercial energy cost

52.56 $/year

vs

70.08 $/year

Around 25% lower annual commercial energy cost

Lower annual home energy cost

14.45 $/year

vs

19.27 $/year

Around 25% lower annual home energy cost

Front view of Intel Xeon E5520

Reasons to consider the
Intel Xeon E5520

Report a correction

Better overclocked clock speed (Water)

4.27 GHz

vs

4.08 GHz

Around 5% better overclocked clock speed (Water)

GeekBench 3 (Multi-core) Data courtesy Primate Labs

6,798

12,384

GeekBench 3 (Single core) Data courtesy Primate Labs

1,624

1,701

GeekBench 3 (AES single core) Data courtesy Primate Labs

108,400 MB/s

102,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

6,516

7,188

GeekBench (64-bit) Data courtesy Primate Labs

7,962

6,848

GeekBench

7,962

8,874

PassMark Data courtesy Passmark

4,387

4,453

PassMark (Single Core)

1,034

1,024

summary	Xeon L5520	vs	E5520
Clock speed	2.26 GHz		2.26 GHz
Turbo clock speed	2.48 GHz		2.53 GHz
Cores	Quad core		Quad core
Socket type
LGA 1366
features
Has a NX bit	Yes		Yes
Supports trusted computing	No		No
Has virtualization support	Yes		Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	60W		80W
Annual home energy cost	14.45 $/year		19.27 $/year
Annual commercial energy cost	52.56 $/year		70.08 $/year
Performance per watt	2.66 pt/W		2.4 pt/W
Typical power consumption	48.75W		65W
memory controller
Memory controller	Built-in		Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels	Triple Channel		Triple Channel
Supports ECC	Yes		Yes
Maximum bandwidth	25,599.99 MB/s		25,599.99 MB/s
Maximum memory size	147,456 MB		147,456 MB

details	Xeon L5520	vs	E5520
Architecture	x86-64		x86-64
Threads	8		8
L2 cache	1 MB		1 MB
L2 cache per core	0.25 MB/core		0.25 MB/core
L3 cache	8 MB		8 MB
L3 cache per core	2 MB/core		2 MB/core
Manufacture process	45 nm		45 nm
Transistor count	731,000,000		731,000,000
Max CPUs	2		2
Clock multiplier	17		17
Voltage range	0.75 - 1.35V		0.75 - 1.35V
Operating temperature	Unknown - 70°C		Unknown - 72°C
overclocking
Overclocked clock speed	3.42 GHz		3.28 GHz
Overclocked clock speed (Water)	4.08 GHz		4.27 GHz
Overclocked clock speed (Air)	3.42 GHz		3.28 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	46,928 MB/s		46,928 MB/s
Transfer rate	5,860 MT/s		5,860 MT/s
Clock speed	2,930 MHz		2,930 MHz

Intel Xeon L5520

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Intel Xeon E5520

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Comments

Showing 1 comment.

Vitalka (10:51 AM, November 1, 2013)

E5520 помощнее будет за L

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