CPUBoss Review Our evaluation of L7555 vs E7-4830 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

5

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E7-4830 

CPUBoss recommends the Intel Xeon E7-4830  based on its value.

See full details

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VS

Differences What are the advantages of each

Front view of Intel Xeon L7555

Reasons to consider the
Intel Xeon L7555

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Higher turbo clock speed 2.53 GHz vs 2.4 GHz More than 5% higher turbo clock speed
Supports more CPUs in SMP configuration 8 vs 4 Twice as many CPUs in SMP configuration
Lower typical power consumption 77.19W vs 85.31W Around 10% lower typical power consumption
Lower annual commercial energy cost 83.22 $/year vs 91.98 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 22.89 $/year vs 25.29 $/year Around 10% lower annual home energy cost
Front view of Intel Xeon E7-4830

Reasons to consider the
Intel Xeon E7-4830

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Significantly higher clock speed 2.13 GHz vs 1.87 GHz Around 15% higher clock speed
Much better performance per watt 6.75 pt/W vs 2.79 pt/W Around 2.5x better performance per watt
Much better performance per dollar 5.67 pt/$ vs 0.08 pt/$ Around 70.2x better performance per dollar
Much better overclocked clock speed (Air) 2.36 GHz vs 1.87 GHz More than 25% better overclocked clock speed (Air)
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Water) 2.13 GHz vs 1.87 GHz Around 15% better overclocked clock speed (Water)
Newer Apr, 2011 vs Mar, 2010 Release date a year later

Benchmarks Real world tests of Xeon L7555 vs E7-4830

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L7555
16,824
Xeon E7-4830
10,443

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L7555
1,386
Xeon E7-4830
1,426

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L7555
114,400 MB/s
Xeon E7-4830
1,013,550 MB/s

Specifications Full list of technical specs

summary

Xeon L7555  vs
E7-4830 
Clock speed 1.87 GHz 2.13 GHz
Turbo clock speed 2.53 GHz 2.4 GHz
Cores Octa core Octa core
Socket type
LGA 1567

features

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

power consumption

TDP 95W 105W
Annual home energy cost 22.89 $/year 25.29 $/year
Annual commercial energy cost 83.22 $/year 91.98 $/year
Performance per watt 2.79 pt/W 6.75 pt/W
Typical power consumption 77.19W 85.31W

details

Xeon L7555  vs
E7-4830 
Threads 16 16
L2 cache 2 MB 2 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 24 MB 24 MB
L3 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 8 4
Operating temperature Unknown - 70°C Unknown - 64°C

overclocking

Overclocked clock speed 1.87 GHz 2.36 GHz
Overclocked clock speed (Water) 1.87 GHz 2.13 GHz
Overclocked clock speed (Air) 1.87 GHz 2.36 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 QPI QPI
Number of links 4 1
Data rate 93,856 MB/s 25,600 MB/s
Transfer rate 5,860 MT/s 6,400 MT/s
Clock speed 2,930 MHz 3,200 MHz
Intel Xeon L7555
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Intel Xeon E7-4830
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