CPUBoss Review Our evaluation of 5820K vs 6500 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

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 5820K 

CPUBoss recommends the Intel Core i7 5820K  based on its performance, single-core performance and value.

See full details

Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Intel Core i7 5820K

Reasons to consider the
Intel Core i7 5820K

Report a correction
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better performance per dollar 3.96 pt/$ vs 0.63 pt/$ More than 6.2x better performance per dollar
More l3 cache 15 MB vs 6 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 10.81 pt/W vs 3.9 pt/W More than 2.8x better performance per watt
Significantly more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
More threads 12 vs 4 Three times as many threads
More cores 6 vs 4 2 more cores; run more applications at once
Better geekbench 3 Multi-Core score 19,546 vs 13,537 Around 45% better geekbench 3 Multi-Core score
Front view of Intel Core i5 6500

Reasons to consider the
Intel Core i5 6500

Report a correction
Much newer manufacturing process 14 nm vs 22 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
Significantly lower typical power consumption 52.81W vs 113.75W 2.2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better CompuBench 1.5 video composition score 12.24 fps vs 3.71 fps More than 3.2x better CompuBench 1.5 video composition score
Newer Jul, 2015 vs Jul, 2014 Release date a year later
Significantly lower annual home energy cost 15.66 $/year vs 33.73 $/year 2.2x lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 122.64 $/year 2.2x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 5820K vs i5 6500

CompuBench 1.5 (Face detection)

Core i7 5820K
6.74 mPixels/s
Core i5 6500
22.75 mPixels/s

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 5820K
3.71 fps
Core i5 6500
12.24 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 5820K
19,546
Core i5 6500
13,537

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 5820K
4,050,000 MB/s
Core i5 6500
5,880 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 5820K  vs
i5 6500 
Clock speed 3.3 GHz 3.2 GHz
Turbo clock speed 3.6 GHz 3.6 GHz
Cores Hexa core Quad core
Is unlocked Yes No

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
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 140W 65W
Annual home energy cost 33.73 $/year 15.66 $/year
Annual commercial energy cost 122.64 $/year 56.94 $/year
Performance per watt 10.81 pt/W 3.9 pt/W
Typical power consumption 113.75W 52.81W

bus

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

details

Core i7 5820K  vs
i5 6500 
Architecture x86-64 x86-64
Threads 12 4
L3 cache 15 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.34 GHz 3.8 GHz
Overclocked clock speed (Water) 4.53 GHz 4.33 GHz
Overclocked clock speed (Air) 4.34 GHz 3.8 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 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR4-1333
DDR4-1600
DDR4-2133
Channels Quad Channel Dual Channel
Supports ECC No No
Maximum memory size 65,536 MB 65,536 MB
Intel Core i7 5820K
Report a correction
Intel Core i5 6500
Report a correction

Comments

comments powered by Disqus