CPUBoss Review Our evaluation of L7455 vs 2700K 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

8.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 2700K 

CPUBoss recommends the Intel Core i7 2700K  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon L7455

Reasons to consider the
Intel Xeon L7455

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 32 vs 1 31 supports more CPUs in SMP configuration
Much more l2 cache per core 2 MB/core vs 0.25 MB/core 8x more l2 cache per core
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
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
More cores 6 vs 4 2 more cores; run more applications at once
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Front view of Intel Core i7 2700K

Reasons to consider the
Intel Core i7 2700K

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Much higher clock speed 3.5 GHz vs 2.13 GHz Around 65% higher clock speed
Much better performance per dollar 2.51 pt/$ vs 0.07 pt/$ Around 36.8x better performance per dollar
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 overclocked clock speed (Air) 5.11 GHz vs 2.13 GHz Around 2.5x better overclocked clock speed (Air)
Much better PassMark (Single core) score 2,003 vs 925 Around 2.2x better PassMark (Single core) score
Much better performance per watt 9.26 pt/W vs 2.87 pt/W Around 3.2x better performance per watt
Significantly better PassMark score 8,930 vs 3,836 More than 2.2x better PassMark score
Newer Oct, 2011 vs Sep, 2008 Release date over 3 years later
Much better overclocked clock speed (Water) 4.78 GHz vs 2.13 GHz Around 2.2x better overclocked clock speed (Water)
More threads 8 vs 6 2 more threads

Benchmarks Real world tests of Xeon L7455 vs Core i7 2700K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L7455
19,744
Core i7 2700K
12,182

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L7455
108 MB/s
Core i7 2700K
2,600,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L7455  vs
Core i7 2700K 
Clock speed 2.13 GHz 3.5 GHz
Cores Hexa core Quad core
Socket type
604
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
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 2.87 pt/W 9.26 pt/W
Typical power consumption 52.81W 77.19W

details

Xeon L7455  vs
Core i7 2700K 
Architecture x86-64 x86-64
Threads 6 8
L2 cache 12 MB 1 MB
L2 cache per core 2 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 32 1
Clock multiplier 8 35
Operating temperature Unknown - 73°C Unknown - 72.6°C

overclocking

Overclocked clock speed 2.13 GHz 5.11 GHz
Overclocked clock speed (Water) 2.13 GHz 4.78 GHz
Overclocked clock speed (Air) 2.13 GHz 5.11 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 3000
Latest DirectX N/A 10.1
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,350 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon L7455
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Intel Core i7 2700K
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