CPUBoss Review Our evaluation of X5650 vs L5639

Performance

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

Value

Performance Per Dollar

CPUBoss Score

Performance, Single-core Performance, Cost to Run and Value

Winner
Intel Xeon X5650 

CPUBoss recommends the Intel Xeon X5650  based on its .

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VS

Intel Xeon X5650

CPUBoss Winner
Front view of Intel Xeon X5650

Differences What are the advantages of each

Front view of Intel Xeon X5650

Reasons to consider the
Intel Xeon X5650

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Higher clock speed 2.66 GHz vs 2.13 GHz Around 25% higher clock speed
Better geekbench (32-bit) score 12,501 vs 9,710 Around 30% better geekbench (32-bit) score
Better PassMark (Single core) score 1,229 vs 887 Around 40% better PassMark (Single core) score
Better PassMark score 7,644 vs 5,248 More than 45% better PassMark score
Front view of Intel Xeon 5600 L5639

Reasons to consider the
Intel Xeon 5600 L5639

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Lower typical power consumption 48.75W vs 77.19W More than 35% lower typical power consumption
Lower annual home energy cost 14.45 $/year vs 22.89 $/year More than 35% lower annual home energy cost
Lower annual commercial energy cost 52.56 $/year vs 83.22 $/year More than 35% lower annual commercial energy cost

Benchmarks Real world tests of Xeon X5650 vs 5600 L5639

GeekBench (32-bit)

GeekBench (64-bit)

Xeon X5650
14,205

GeekBench

Xeon X5650
14,205

Passmark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5650  vs
5600 L5639 
Clock speed 2.66 GHz 2.13 GHz
Cores Hexa core Hexa core
Socket type
LGA 1366
Is hyperthreaded Yes Yes

features

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

power consumption

TDP 95W 60W
Annual home energy cost 22.89 $/year 14.45 $/year
Annual commercial energy cost 83.22 $/year 52.56 $/year
Performance per watt 12.41 pt/W 13.49 pt/W
Typical power consumption 77.19W 48.75W

details

Xeon X5650  vs
5600 L5639 
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nms 32 nms
Max CPUs 2 2

overclocking

Overclocked clock speed 3.55 GHz 3.65 GHz
Overclocked clock speed (Water) 4.25 GHz 4.13 GHz
Overclocked clock speed (Air) 3.55 GHz 3.65 GHz

bus

Architecture QPI QPI
Number of links 2 2
Data rate 51,200 MB/s 46,928 MB/s
Transfer rate 6,400 MT/s 5,860 MT/s
Clock speed 3,200 MHz 2,933 MHz
Intel Xeon X5650
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Intel Xeon 5600 L5639
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