CPUBoss Review Our evaluation of L5640 vs 3470 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

6.9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 3470 

CPUBoss recommends the Intel Core i5 3470  based on its single-core performance and value.

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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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Significantly 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 geekbench 3 Multi-Core score 16,852 vs 9,436 Around 80% better geekbench 3 Multi-Core score
More l3 cache 12 MB vs 6 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much lower typical power consumption 48.75W vs 86.05W Around 45% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much better performance per watt 10.46 pt/W vs 4.41 pt/W More than 2.2x better performance per watt
More threads 12 vs 4 Three times as many threads
More cores 6 vs 4 2 more cores; run more applications at once
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Supports more RAM 294,912 MB vs 32,768 MB Supports 9x more RAM
Much lower annual home energy cost 14.45 $/year vs 31.22 $/year 2.2x lower annual home energy cost
Significantly lower annual commercial energy cost 52.56 $/year vs 84.62 $/year Around 40% lower annual commercial energy cost
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Better overclocked clock speed (Air) 3.9 GHz vs 3.67 GHz More than 5% better overclocked clock speed (Air)
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Significantly higher clock speed 3.2 GHz vs 2.26 GHz More than 40% higher clock speed
Higher turbo clock speed 3.6 GHz vs 2.8 GHz Around 30% higher turbo clock speed
Much better performance per dollar 2.7 pt/$ vs 0.63 pt/$ More than 4.2x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better PassMark (Single core) score 1,906 vs 1,100 Around 75% better PassMark (Single core) score
Newer Jun, 2012 vs Mar, 2010 Release date over 2 years later
Much better overclocked clock speed (Water) 4.09 GHz vs 2.27 GHz More than 80% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon L5640 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5640
16,852
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5640
1,918
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5640
1,250,000 MB/s
Core i5 3470
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon L5640
11,047
Core i5 3470
9,226

GeekBench

Xeon L5640
11,047
Core i5 3470
12,141

PassMark Data courtesy Passmark

Xeon L5640
6,451
Core i5 3470
6,607

PassMark (Single Core)

Xeon L5640
1,100
Core i5 3470
1,906

Specifications Full list of technical specs

summary

Xeon L5640  vs
Core i5 3470 
Clock speed 2.26 GHz 3.2 GHz
Turbo clock speed 2.8 GHz 3.6 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
LGA 1155

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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 60W 77W
Annual home energy cost 14.45 $/year 31.22 $/year
Annual commercial energy cost 52.56 $/year 84.62 $/year
Performance per watt 10.46 pt/W 4.41 pt/W
Typical power consumption 48.75W 86.05W

bus

Architecture QPI DMI 2.0
Number of links 2 1
Data rate 46,928 MB/s 2,560 MB/s
Transfer rate 5,860 MT/s 5,000 MT/s

details

Xeon L5640  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 12 4
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 1
Clock multiplier 17 32
Voltage range 0.75 - 1.35V Unknown - 1.13V
Operating temperature Unknown - 69.4°C Unknown - 67.4°C

overclocking

Overclocked clock speed 3.9 GHz 3.67 GHz
Overclocked clock speed (Water) 2.27 GHz 4.09 GHz
Overclocked clock speed (Air) 3.9 GHz 3.67 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2500
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 294,912 MB 32,768 MB
Intel Xeon L5640
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Intel Core i5 3470
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