CPUBoss Review Our evaluation of L5408 vs 2100 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

6.6

CPUBoss Score

Combination of all six facets

Winner
Intel Core i3 2100 

CPUBoss recommends the Intel Core i3 2100  based on its performance, single-core performance and value.

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VS
Front view of Intel Core i3 2100

Intel Core i3 2100

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon L5408

Reasons to consider the
Intel Xeon L5408

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Much more l2 cache 12 MB vs 0.5 MB 24x 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 32.5W vs 98.28W 3x lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 4 vs 2 Twice as many cores; run more applications at once
Better geekbench 3 Multi-Core score 6,095 vs 4,786 More than 25% better geekbench 3 Multi-Core score
Much lower annual home energy cost 9.64 $/year vs 37.88 $/year 3.9x lower annual home energy cost
Better performance per watt 3.41 pt/W vs 1.41 pt/W Around 2.5x better performance per watt
Much lower annual commercial energy cost 35.04 $/year vs 93.47 $/year 2.7x lower annual commercial energy cost
Significantly better overclocked clock speed (Water) 4.12 GHz vs 3.23 GHz Around 30% better overclocked clock speed (Water)
Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Significantly higher clock speed 3.1 GHz vs 2.13 GHz More than 45% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 1.14 pt/$ vs 0.28 pt/$ Around 4.2x better performance per dollar
Significantly better PassMark (Single core) score 1,583 vs 932 Around 70% better PassMark (Single core) score
Newer Jan, 2011 vs Feb, 2008 Release date over 2 years later

Benchmarks Real world tests of Xeon L5408 vs Core i3 2100

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5408
6,095
Core i3 2100
4,786

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5408
1,324
Core i3 2100
2,258

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5408
105,400 MB/s
Core i3 2100
153,100 MB/s

PassMark Data courtesy Passmark

Xeon L5408
2,987
Core i3 2100
3,664

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L5408  vs
Core i3 2100 
Clock speed 2.13 GHz 3.1 GHz
Cores Quad core Dual core
Socket type
LGA 771
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 40W 65W
Annual home energy cost 9.64 $/year 37.88 $/year
Annual commercial energy cost 35.04 $/year 93.47 $/year
Performance per watt 3.41 pt/W 1.41 pt/W
Typical power consumption 32.5W 98.28W

details

Xeon L5408  vs
Core i3 2100 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 0.5 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 1
Clock multiplier 8 31
Operating temperature Unknown - 72°C Unknown - 69.1°C

overclocking

Overclocked clock speed 3.34 GHz 3.23 GHz
Overclocked clock speed (Water) 4.12 GHz 3.23 GHz
Overclocked clock speed (Air) 3.34 GHz 3.23 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon L5408
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Intel Core i3 2100
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