CPUBoss Review Our evaluation of L3426 vs L3406 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

4.7

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon L3406 

CPUBoss recommends the Intel Xeon L3406  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Xeon L3426

Reasons to consider the
Intel Xeon L3426

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Much higher turbo clock speed 3.2 GHz vs 2.53 GHz More than 25% higher turbo clock speed
Much more l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Air) 3.08 GHz vs 2.27 GHz More than 35% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
Supports more RAM 32,768 MB vs 16,773.12 MB Supports more than 95% more RAM
Front view of Intel Xeon L3406

Reasons to consider the
Intel Xeon L3406

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Much higher clock speed 2.26 GHz vs 1.86 GHz More than 20% higher clock speed
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower typical power consumption 24.38W vs 36.56W Around 35% lower typical power consumption
Much better overclocked clock speed (Water) 2.27 GHz vs 1.87 GHz More than 20% better overclocked clock speed (Water)
Lower annual commercial energy cost 26.28 $/year vs 39.42 $/year Around 35% lower annual commercial energy cost
Lower annual home energy cost 7.23 $/year vs 10.84 $/year Around 35% lower annual home energy cost
Newer Mar, 2010 vs Sep, 2009 Release date 6 months later

Benchmarks Real world tests of Xeon L3426 vs L3406

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L3426
5,721.5
Xeon L3406
3,657

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L3426
1,576.5
Xeon L3406
1,697

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L3426
97.2 MB/s
Xeon L3406
155.1 MB/s

Specifications Full list of technical specs

summary

Xeon L3426  vs
L3406 
Clock speed 1.86 GHz 2.26 GHz
Turbo clock speed 3.2 GHz 2.53 GHz
Cores Quad core Dual core
Socket type
LGA 1156

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 30W
Annual home energy cost 10.84 $/year 7.23 $/year
Annual commercial energy cost 39.42 $/year 26.28 $/year
Performance per watt 2.5 pt/W 2.57 pt/W
Typical power consumption 36.56W 24.38W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 17,066.66 MB/s
Maximum memory size 32,768 MB 16,773.12 MB

details

Xeon L3426  vs
L3406 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 32 nm
Transistor count 774,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 14 17
Voltage range 0.65 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 58.3°C Unknown - 53.9°C

overclocking

Overclocked clock speed 3.08 GHz 2.27 GHz
Overclocked clock speed (Water) 1.87 GHz 2.27 GHz
Overclocked clock speed (Air) 3.08 GHz 2.27 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 DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s
Intel Xeon L3426
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Intel Xeon L3406
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