CPUBoss Review Our evaluation of X5667 vs 6600K 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 i5 6600K 

CPUBoss recommends the Intel Core i5 6600K  based on its performance, single-core performance and value.

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VS
Front view of Intel Core i5 6600K

Intel Core i5 6600K

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon X5667

Reasons to consider the
Intel Xeon X5667

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More l3 cache 12 MB vs 6 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much more l3 cache per core 3 MB/core vs 1.5 MB/core 2x more l3 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly higher Maximum operating temperature 82.9 °C vs 64 °C Around 30% higher Maximum operating temperature
More threads 8 vs 4 Twice as many threads
Supports more RAM 294,912 MB vs 65,536 MB Supports 4.5x more RAM
Front view of Intel Core i5 6600K

Reasons to consider the
Intel Core i5 6600K

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Much newer manufacturing process 14 nm vs 32 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
Higher clock speed 3.5 GHz vs 3.06 GHz Around 15% higher clock speed
Higher turbo clock speed 3.9 GHz vs 3.46 GHz Around 15% higher turbo clock speed
Much better performance per dollar 0.89 pt/$ vs 0.18 pt/$ Around 5x better performance per dollar
Significantly better PassMark (Single core) score 2,148 vs 1,309 Around 65% better PassMark (Single core) score
Newer Jul, 2015 vs Mar, 2010 Release date over 5 years later
Better PassMark score 8,012 vs 4,722 Around 70% better PassMark score
Much better overclocked clock speed (Water) 4.57 GHz vs 3.07 GHz Around 50% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon X5667 vs Core i5 6600K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon X5667
17,452

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon X5667
167,600 MB/s
Core i5 6600K
209.7 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X5667  vs
Core i5 6600K 
Clock speed 3.06 GHz 3.5 GHz
Turbo clock speed 3.46 GHz 3.9 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 91W
Annual home energy cost 22.89 $/year 21.92 $/year
Annual commercial energy cost 83.22 $/year 79.72 $/year
Performance per watt 2.75 pt/W 2.45 pt/W
Typical power consumption 77.19W 73.94W

bus

Architecture QPI FSB
Number of links 2 0
Transfer rate 6,400 MT/s 8,000 MT/s

details

Xeon X5667  vs
Core i5 6600K 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 12 MB 6 MB
L3 cache per core 3 MB/core 1.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 2 1
Operating temperature Unknown - 82.9°C Unknown - 64°C

overclocking

Overclocked clock speed 4.46 GHz 4.54 GHz
Overclocked clock speed (Water) 3.07 GHz 4.57 GHz
Overclocked clock speed (Air) 4.46 GHz 4.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 294,912 MB 65,536 MB
Intel Xeon X5667
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Intel Core i5 6600K
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