CPUBoss Review Our evaluation of L5630 vs L5520 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.4

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon L5630 

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

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VS

Intel Xeon L5630

CPUBoss Winner
Front view of Intel Xeon L5630

Differences What are the advantages of each

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
Better overclocked clock speed (Air) 3.68 GHz vs 3.42 GHz Around 10% better overclocked clock speed (Air)
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
Front view of Intel Xeon L5520

Reasons to consider the
Intel Xeon L5520

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Much better performance per dollar 3.28 pt/$ vs 0.93 pt/$ More than 3.5x 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 2.68 pt/W vs 2.15 pt/W Around 25% 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)

Benchmarks Real world tests of Xeon L5630 vs L5520

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5630
1,345.5
Xeon L5520
6,798

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5630
1,354
Xeon L5520
1,624

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5630
90.7 MB/s
Xeon L5520
108,400 MB/s

PassMark Data courtesy Passmark

Xeon L5630
4,420
Xeon L5520
4,387

PassMark (Single Core)

Specifications Full list of technical specs

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 2.15 pt/W 2.68 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 3.68 GHz 3.42 GHz
Overclocked clock speed (Water) 3.48 GHz 4.08 GHz
Overclocked clock speed (Air) 3.68 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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