CPUBoss Review Our evaluation of L5640 vs E5-2630 v3 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Xeon L5640

Reasons to consider the
Intel Xeon L5640

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Much better performance per watt 10.46 pt/W vs 3.53 pt/W Around 3x better performance per watt
Much better overclocked clock speed (Air) 3.9 GHz vs 2.74 GHz More than 40% better overclocked clock speed (Air)
Lower typical power consumption 48.75W vs 69.06W Around 30% lower typical power consumption
Lower annual commercial energy cost 52.56 $/year vs 74.46 $/year Around 30% lower annual commercial energy cost
Lower annual home energy cost 14.45 $/year vs 20.48 $/year Around 30% lower annual home energy cost
Front view of Intel Xeon E5-2630 v3

Reasons to consider the
Intel Xeon E5-2630 v3

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Much more l3 cache 20 MB vs 12 MB More than 65% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark (Single core) score 1,756 vs 1,100 Around 60% better PassMark (Single core) score
Significantly higher turbo clock speed 3.2 GHz vs 2.8 GHz Around 15% higher turbo clock speed
Supports more RAM 786,432 MB vs 294,912 MB Supports around 2.8x more RAM
Higher clock speed 2.4 GHz vs 2.26 GHz More than 5% higher clock speed
More threads 16 vs 12 4 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Newer Jul, 2014 vs Mar, 2010 Release date over 4 years later
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 E5-2630 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5640
16,852

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5640
1,250,000 MB/s
Xeon E5-2630 v3
2,230 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L5640  vs
E5-2630 v3 
Clock speed 2.26 GHz 2.4 GHz
Turbo clock speed 2.8 GHz 3.2 GHz
Cores Hexa core Octa core

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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 60W 85W
Annual home energy cost 14.45 $/year 20.48 $/year
Annual commercial energy cost 52.56 $/year 74.46 $/year
Performance per watt 10.46 pt/W 3.53 pt/W
Typical power consumption 48.75W 69.06W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 46,928 MB/s 64,000 MB/s
Transfer rate 5,860 MT/s 8,000 MT/s
Clock speed 2,930 MHz 4,000 MHz

details

Xeon L5640  vs
E5-2630 v3 
Architecture x86-64 x86-64
Threads 12 16
L3 cache 12 MB 20 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 2
Operating temperature Unknown - 69.4°C Unknown - 72.1°C

overclocking

Overclocked clock speed 3.9 GHz 2.74 GHz
Overclocked clock speed (Water) 2.27 GHz 2.4 GHz
Overclocked clock speed (Air) 3.9 GHz 2.74 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
DDR3-800
DDR
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 6,400 MB/s
Maximum memory size 294,912 MB 786,432 MB
Intel Xeon L5640
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Intel Xeon E5-2630 v3
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