CPUBoss Review Our evaluation of L5640 vs L5530 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

5.3

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon L5640 

CPUBoss recommends the Intel Xeon L5640  based on its performance, single-core performance and value.

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VS

Intel Xeon L5640

CPUBoss Winner
Front view of Intel Xeon L5640

Differences What are the advantages of each

Front view of Intel Xeon L5640

Reasons to consider the
Intel Xeon L5640

Report a correction
Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 6,451 vs 4,351 Around 50% better PassMark score
Much more l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
Much better performance per watt 10.46 pt/W vs 2.86 pt/W Around 3.8x better performance per watt
Much better overclocked clock speed (Air) 3.9 GHz vs 2.4 GHz Around 65% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More threads 12 vs 8 4 more threads
Higher turbo clock speed 2.8 GHz vs 2.66 GHz More than 5% higher turbo clock speed
Supports more RAM 294,912 MB vs 147,456 MB Supports 2x more RAM
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Newer Mar, 2010 vs Aug, 2009 Release date 7 months later
Front view of Intel Xeon L5530

Reasons to consider the
Intel Xeon L5530

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Higher clock speed 2.4 GHz vs 2.26 GHz More than 5% higher clock speed
Better overclocked clock speed (Water) 2.4 GHz vs 2.27 GHz More than 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon L5640 vs L5530

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5640
16,852
Xeon L5530
11,832

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5640
1,918
Xeon L5530
2,962

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5640
1,250,000 MB/s
Xeon L5530
189.1 MB/s

PassMark Data courtesy Passmark

Xeon L5640
6,451
Xeon L5530
4,351

PassMark (Single Core)

Xeon L5640
1,100
Xeon L5530
1,018

Specifications Full list of technical specs

summary

Xeon L5640  vs
L5530 
Clock speed 2.26 GHz 2.4 GHz
Turbo clock speed 2.8 GHz 2.66 GHz
Cores Hexa 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 60W 60W
Annual home energy cost 14.45 $/year 14.45 $/year
Annual commercial energy cost 52.56 $/year 52.56 $/year
Performance per watt 10.46 pt/W 2.86 pt/W
Typical power consumption 48.75W 48.75W

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

details

Xeon L5640  vs
L5530 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 2 2
Voltage range 0.75 - 1.35V 0.75 - 1.35V
Operating temperature Unknown - 69.4°C Unknown - 70°C

overclocking

Overclocked clock speed 3.9 GHz 2.4 GHz
Overclocked clock speed (Water) 2.27 GHz 2.4 GHz
Overclocked clock speed (Air) 3.9 GHz 2.4 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 25,599.99 MB/s
Maximum memory size 294,912 MB 147,456 MB
Intel Xeon L5640
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Intel Xeon L5530
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