CPUBoss Review Our evaluation of E5-2450 vs 6700K 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

8.2

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5-2450 

CPUBoss recommends the Intel Xeon E5-2450  based on its value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-2450

Reasons to consider the
Intel Xeon E5-2450

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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
Significantly more l3 cache 20 MB vs 8 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better geekbench 3 Multi-Core score 23,632 vs 17,583 Around 35% better geekbench 3 Multi-Core score
Much better performance per watt 12.51 pt/W vs 3.49 pt/W More than 3.5x better performance per watt
More cores 8 vs 4 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 16 vs 8 Twice as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Supports more RAM 393,216 MB vs 65,536 MB Supports 6x more RAM
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Better performance per dollar 1 pt/$ vs 0.91 pt/$ Around 10% better performance per dollar
Front view of Intel Core i7 6700K

Reasons to consider the
Intel Core i7 6700K

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Much higher clock speed 4 GHz vs 2.1 GHz More than 90% higher clock speed
Significantly higher turbo clock speed 4.2 GHz vs 2.9 GHz Around 45% higher turbo clock speed
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
Much better geekbench 3 single core score 4,510 vs 1,991 More than 2.2x better geekbench 3 single core score
Much better overclocked clock speed (Air) 4.61 GHz vs 2.84 GHz More than 60% better overclocked clock speed (Air)
Newer Jul, 2015 vs May, 2012 Release date over 3 years later
Much better overclocked clock speed (Water) 4.77 GHz vs 2.1 GHz More than 2.2x better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5-2450 vs Core i7 6700K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2450
23,632
Core i7 6700K
17,583

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2450
1,610,000 MB/s
Core i7 6700K
6,010 MB/s

Specifications Full list of technical specs

summary

Xeon E5-2450  vs
Core i7 6700K 
Clock speed 2.1 GHz 4 GHz
Turbo clock speed 2.9 GHz 4.2 GHz
Cores Octa 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 12.51 pt/W 3.49 pt/W
Typical power consumption 77.19W 73.94W

bus

Architecture QPI FSB
Number of links 1 0
Transfer rate 8,000 MT/s 8,000 MT/s

details

Xeon E5-2450  vs
Core i7 6700K 
Architecture x86-64 x86-64
Threads 16 8
L2 cache 2 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 20 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 2.84 GHz 4.61 GHz
Overclocked clock speed (Water) 2.1 GHz 4.77 GHz
Overclocked clock speed (Air) 2.84 GHz 4.61 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
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 38,400 MB/s 25,600 MB/s
Maximum memory size 393,216 MB 65,536 MB
Intel Xeon E5-2450
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Intel Core i7 6700K
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