CPUBoss Review Our evaluation of L7555 vs 4790K 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

8.8

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4790K 

CPUBoss recommends the Intel Core i7 4790K  based on its value.

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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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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much more l3 cache 24 MB vs 8 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Significantly more l3 cache per core 3 MB/core vs 2 MB/core 50% more l3 cache per core
Better geekbench 3 Multi-Core score 16,824 vs 15,490 Around 10% better geekbench 3 Multi-Core score
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Much higher clock speed 4 GHz vs 1.87 GHz Around 2.2x higher clock speed
Much higher turbo clock speed 4.4 GHz vs 2.53 GHz Around 75% higher turbo clock speed
Much better performance per dollar 3.69 pt/$ vs 0.08 pt/$ More than 45.8x better performance per dollar
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better geekbench 3 single core score 4,004 vs 1,386 Around 3x better geekbench 3 single core score
Much better overclocked clock speed (Air) 4.63 GHz vs 1.87 GHz Around 2.5x better overclocked clock speed (Air)
Much better performance per watt 11.42 pt/W vs 2.79 pt/W More than 4x better performance per watt
Newer Apr, 2014 vs Mar, 2010 Release date over 4 years later
Much better overclocked clock speed (Water) 4.8 GHz vs 1.87 GHz More than 2.5x better overclocked clock speed (Water)
Lower typical power consumption 71.5W vs 77.19W More than 5% lower typical power consumption
Higher Maximum operating temperature 74.04 °C vs 70 °C More than 5% higher Maximum operating temperature
Lower annual commercial energy cost 77.09 $/year vs 83.22 $/year More than 5% lower annual commercial energy cost
Lower annual home energy cost 21.2 $/year vs 22.89 $/year More than 5% lower annual home energy cost

Benchmarks Real world tests of Xeon L7555 vs Core i7 4790K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L7555
16,824
Core i7 4790K
15,490

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L7555
114,400 MB/s
Core i7 4790K
5,140,000 MB/s

Specifications Full list of technical specs

summary

Xeon L7555  vs
Core i7 4790K 
Clock speed 1.87 GHz 4 GHz
Turbo clock speed 2.53 GHz 4.4 GHz
Cores Octa core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 88W
Annual home energy cost 22.89 $/year 21.2 $/year
Annual commercial energy cost 83.22 $/year 77.09 $/year
Performance per watt 2.79 pt/W 11.42 pt/W
Typical power consumption 77.19W 71.5W

details

Xeon L7555  vs
Core i7 4790K 
Threads 16 8
L2 cache 2 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 24 MB 8 MB
L3 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 8 1
Operating temperature Unknown - 70°C Unknown - 74.04°C

overclocking

Overclocked clock speed 1.87 GHz 4.63 GHz
Overclocked clock speed (Water) 1.87 GHz 4.8 GHz
Overclocked clock speed (Air) 1.87 GHz 4.63 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,250 MHz

bus

Architecture QPI DMI 2.0
Number of links 4 0
Transfer rate 5,860 MT/s 5,000 MT/s
Intel Xeon L7555
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Intel Core i7 4790K
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