CPUBoss Review Our evaluation of L5420 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 performance, single-core performance and value.

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VS
Front view of Intel Core i5 3470

Intel Core i5 3470

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon L5420

Reasons to consider the
Intel Xeon L5420

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
Much lower typical power consumption 40.63W vs 86.05W 2.1x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much lower annual home energy cost 12.04 $/year vs 31.22 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 43.8 $/year vs 84.62 $/year Around 50% lower annual commercial energy cost
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 3.2 GHz vs 2.5 GHz Around 30% higher clock speed
Much better performance per dollar 2.7 pt/$ vs 0.33 pt/$ More than 8x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly better PassMark (Single core) score 1,906 vs 1,043 Around 85% better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 6,607 vs 3,506 Around 90% better PassMark score
Newer Jun, 2012 vs Mar, 2008 Release date over 4 years later
Higher Maximum operating temperature 67.4 °C vs 57 °C Around 20% higher Maximum operating temperature
Better performance per watt 4.41 pt/W vs 2.75 pt/W More than 60% better performance per watt
Better overclocked clock speed (Water) 4.09 GHz vs 3.85 GHz More than 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon L5420 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5420
4,968
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5420
1,380
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5420
107,200 MB/s
Core i5 3470
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon L5420
4,473
Core i5 3470
9,226

GeekBench (64-bit) Data courtesy Primate Labs

Xeon L5420
5,037
Core i5 3470
10,031

GeekBench

Xeon L5420
5,037
Core i5 3470
12,141

PassMark Data courtesy Passmark

Xeon L5420
3,506
Core i5 3470
6,607

PassMark (Single Core)

Xeon L5420
1,043
Core i5 3470
1,906

Specifications Full list of technical specs

summary

Xeon L5420  vs
Core i5 3470 
Clock speed 2.5 GHz 3.2 GHz
Cores Quad core Quad core
Socket type
LGA 771
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing No 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 50W 77W
Annual home energy cost 12.04 $/year 31.22 $/year
Annual commercial energy cost 43.8 $/year 84.62 $/year
Performance per watt 2.75 pt/W 4.41 pt/W
Typical power consumption 40.63W 86.05W

details

Xeon L5420  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Transistor count 820,000,000 1,400,000,000
Max CPUs 2 1
Clock multiplier 7 32
Voltage range 0.85 - 1.35V Unknown - 1.13V
Operating temperature Unknown - 57°C Unknown - 67.4°C

overclocking

Overclocked clock speed 3.67 GHz 3.67 GHz
Overclocked clock speed (Water) 3.85 GHz 4.09 GHz
Overclocked clock speed (Air) 3.67 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

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Xeon L5420
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Intel Core i5 3470
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