CPUBoss Review Our evaluation of L3426 vs C2750 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

4.6

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon L3426 

CPUBoss recommends the Intel Xeon L3426  based on its performance and single-core performance.

See full details

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VS

Intel Xeon L3426

CPUBoss Winner
Front view of Intel Xeon L3426

Differences What are the advantages of each

Front view of Intel Xeon L3426

Reasons to consider the
Intel Xeon L3426

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Significantly higher turbo clock speed 3.2 GHz vs 2.6 GHz Around 25% higher turbo clock speed
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much better overclocked clock speed (Air) 3.08 GHz vs 2.4 GHz Around 30% better overclocked clock speed (Air)
Front view of Intel Atom C2750

Reasons to consider the
Intel Atom C2750

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Much higher clock speed 2.4 GHz vs 1.86 GHz Around 30% higher clock speed
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better performance per watt 11.79 pt/W vs 2.5 pt/W Around 4.8x better performance per watt
Much better performance per dollar 1.38 pt/$ vs 0.37 pt/$ Around 3.8x better performance per dollar
Much higher Maximum operating temperature 97 °C vs 58.3 °C More than 65% higher Maximum operating temperature
Newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 16.25W vs 36.56W 2.2x lower typical power consumption
Much better overclocked clock speed (Water) 2.4 GHz vs 1.87 GHz Around 30% better overclocked clock speed (Water)
Newer Jul, 2013 vs Sep, 2009 Release date over 3 years later
Lower annual commercial energy cost 17.52 $/year vs 39.42 $/year 2.2x lower annual commercial energy cost
Lower annual home energy cost 4.82 $/year vs 10.84 $/year 2.2x lower annual home energy cost

Benchmarks Real world tests of Xeon L3426 vs Atom C2750

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L3426
5,721.5
Atom C2750
6,808

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L3426
1,576.5
Atom C2750
1,089

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L3426
97.2 MB/s
Atom C2750
412,200 MB/s

PassMark Data courtesy Passmark

Xeon L3426
3,837
Atom C2750
3,344

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L3426  vs
Atom C2750 
Clock speed 1.86 GHz 2.4 GHz
Turbo clock speed 3.2 GHz 2.6 GHz
Cores Quad core Octa core

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes No

power consumption

TDP 45W 20W
Annual home energy cost 10.84 $/year 4.82 $/year
Annual commercial energy cost 39.42 $/year 17.52 $/year
Performance per watt 2.5 pt/W 11.79 pt/W
Typical power consumption 36.56W 16.25W

bus

Architecture DMI FSB
Number of links 1 1

details

Xeon L3426  vs
Atom C2750 
Architecture x86-64 x86-64
Threads 8 8
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 58.3°C Unknown - 97°C

overclocking

Overclocked clock speed 3.08 GHz 2.4 GHz
Overclocked clock speed (Water) 1.87 GHz 2.4 GHz
Overclocked clock speed (Air) 3.08 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 Dual Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Intel Xeon L3426
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Intel Atom C2750
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