Intel Xeon L5630 vs L5520

older Released March, 2010

Intel Xeon L5630

2.13 GHz
Quad core

Front view of Intel Xeon L5630

5.2 Out of 10

Reasons to buy the Intel Xeon L5630

	Much newer manufacturing process 32 nm		Much lower typical power consumption 32.5W
	Supports trusted computing Yes		Newer Mar, 2010

VS

older Released March, 2009

Intel Xeon L5520

2.26 GHz
Quad core

Front view of Intel Xeon L5520

5.4 Out of 10

Reasons to buy the L5520

	Much better performance per dollar 3.26 pt/$		Slightly higher clock speed 2.26 GHz
	Better performance per watt 2.66 pt/W		Significantly better overclocked clock speed (Water) 4.08 GHz

	Performance
	Benchmark performance using all cores
Xeon L5630 5.5 Xeon L5520 5.6 Xeon X5650 6.3
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Xeon L5630 5.8 Xeon L5520 6.1 Xeon X5650 6.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Xeon L5630 0.0 Xeon L5520 0.0 Xeon X5650 0.0
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Xeon L5630 0.0 Xeon L5520 0.0 Xeon X5650 0.0
CompuBench 1.5 Bitcoin mining and 4 more

	Performance per Watt
	How efficiently does the processor use electricity?
Xeon L5630 5.1 Xeon L5520 5.0 Xeon X5650 5.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Xeon L5630 5.3 Xeon L5520 6.0 Xeon X5650 5.9
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.4	CPUBoss Score
	Combination of all six facets
Xeon L5630 5.2 Xeon L5520 5.4 Xeon X5650 5.5

Winner
Intel Xeon L5630

CPUBoss recommends the Intel Xeon L5630 based on its cost to run.

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Intel Xeon L5630

Front view of Intel Xeon L5630

Front view of Intel Xeon L5520

Intel Xeon L5520

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Front view of Intel Xeon L5630

Reasons to consider the
Intel Xeon L5630

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Much newer manufacturing process

32 nm

vs

45 nm

A newer manufacturing process allows for a more powerful, yet cooler running processor

Much lower typical power consumption

32.5W

vs

48.75W

Around 35% lower typical power consumption

Supports trusted computing

Yes

vs

No

Somewhat common; Allows for safer, more reliable computing

Newer

Mar, 2010

vs

Mar, 2009

Release date 11 months later

Supports more RAM

294,912 MB

vs

147,456 MB

Supports 2x more RAM

Much lower annual commercial energy cost

35.04 $/year

vs

52.56 $/year

Around 35% lower annual commercial energy cost

Much lower annual home energy cost

9.64 $/year

vs

14.45 $/year

Around 35% lower annual home energy cost

Better overclocked clock speed (Air)

3.66 GHz

vs

3.42 GHz

More than 5% better overclocked clock speed (Air)

Front view of Intel Xeon L5520

Reasons to consider the
Intel Xeon L5520

Report a correction

Much better performance per dollar

3.26 pt/$

vs

0.84 pt/$

Around 4x better performance per dollar

Slightly higher clock speed

2.26 GHz

vs

2.13 GHz

More than 5% higher clock speed

Better performance per watt

2.66 pt/W

vs

1.92 pt/W

Around 40% better performance per watt

Significantly better overclocked clock speed (Water)

4.08 GHz

vs

3.48 GHz

More than 15% better overclocked clock speed (Water)

GeekBench 3 (Multi-core) Data courtesy Primate Labs

953.5

6,798

GeekBench 3 (Single core) Data courtesy Primate Labs

968.5

1,624

GeekBench 3 (AES single core) Data courtesy Primate Labs

51.5 MB/s

108,400 MB/s

PassMark Data courtesy Passmark

4,420

4,387

PassMark (Single Core)

943

1,034

summary	Xeon L5630	vs	L5520
Clock speed	2.13 GHz		2.26 GHz
Turbo clock speed	2.4 GHz		2.48 GHz
Cores	Quad core		Quad core
Socket type
LGA 1366
features
Has a NX bit	Yes		Yes
Supports trusted computing	Yes		No
Has virtualization support	Yes		Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	40W		60W
Annual home energy cost	9.64 $/year		14.45 $/year
Annual commercial energy cost	35.04 $/year		52.56 $/year
Performance per watt	1.92 pt/W		2.66 pt/W
Typical power consumption	32.5W		48.75W
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	294,912 MB		147,456 MB

details	Xeon L5630	vs	L5520
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	12 MB		8 MB
L3 cache per core	3 MB/core		2 MB/core
Manufacture process	32 nm		45 nm
Max CPUs	2		2
Clock multiplier	16		17
Voltage range	0.75 - 1.35V		0.75 - 1.35V
Operating temperature	Unknown - 63.1°C		Unknown - 70°C
overclocking
Overclocked clock speed	3.66 GHz		3.42 GHz
Overclocked clock speed (Water)	3.48 GHz		4.08 GHz
Overclocked clock speed (Air)	3.66 GHz		3.42 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 L5630

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Intel Xeon L5520

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