CPUBoss Review Our evaluation of E3-1230 vs L5639


Benchmark performance using all cores

Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Cost to Run

Commercial Energy Cost


Performance Per Dollar

No winner declared

Too close to call

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Differences What are the advantages of each

Front view of Intel Xeon E3-1230

Reasons to consider the
Intel Xeon E3-1230

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Significantly higher clock speed 3.2 GHz vs 2.13 GHz More than 50% higher clock speed
Much better PassMark (Single core) score 2,110 vs 887 Around 2.5x better PassMark (Single core) score
Much better geekbench (32-bit) score 12,431 vs 9,710 Around 30% better geekbench (32-bit) score
Better PassMark score 9,397 vs 5,248 Around 80% better PassMark score
Better performance per watt 18.04 pt/W vs 13.43 pt/W Around 35% better performance per watt
Front view of Intel Xeon 5600 L5639

Reasons to consider the
Intel Xeon 5600 L5639

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More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 48.75W vs 65W 25% lower typical power consumption
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 (Water) 4.13 GHz vs 3.74 GHz More than 10% better overclocked clock speed (Water)
Lower annual commercial energy cost 52.56 $/year vs 70.08 $/year Around 25% lower annual commercial energy cost
Lower annual home energy cost 14.45 $/year vs 19.27 $/year Around 25% lower annual home energy cost

Benchmarks Real world tests of Xeon E3-1230 vs 5600 L5639

Passmark (Single Core)

Specifications Full list of technical specs


Xeon E3-1230  vs
5600 L5639 
Clock speed 3.2 GHz 2.13 GHz
Cores Quad core Hexa core
Socket type
LGA 1155
LGA 1366
Is hyperthreaded Yes Yes


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 60W
Annual home energy cost 19.27 $/year 14.45 $/year
Annual commercial energy cost 70.08 $/year 52.56 $/year
Performance per watt 18.04 pt/W 13.43 pt/W
Typical power consumption 65W 48.75W


Xeon E3-1230  vs
5600 L5639 
Threads 8 12
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.33 MB/core
L3 cache 8 MB 12 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nms 32 nms
Max CPUs 1 2


Overclocked clock speed 3.75 GHz 3.65 GHz
Overclocked clock speed (Water) 3.74 GHz 4.13 GHz
Overclocked clock speed (Air) 3.75 GHz 3.65 GHz


Architecture DMI QPI
Number of links 1 2
Transfer rate 5,000 MT/s 5,860 MT/s
Intel Xeon E3-1230
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Intel Xeon 5600 L5639
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