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 i5 655K

Reasons to consider the
Intel Core i5 655K

Report a correction
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much lower typical power consumption 59.31W vs 100.22W More than 40% lower typical power consumption
Much better overclocked clock speed (Air) 4.63 GHz vs 4.31 GHz More than 5% better overclocked clock speed (Air)
Much lower annual home energy cost 17.59 $/year vs 37.54 $/year 2.1x lower annual home energy cost
Much lower annual commercial energy cost 63.95 $/year vs 96.89 $/year Around 35% lower annual commercial energy cost
Front view of Intel Core i5 650

Reasons to consider the
Intel Core i5 650

Report a correction
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 5.08 GHz vs 3.2 GHz Around 60% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i5 655K vs 650

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 655K
1,570,000 MB/s
Core i5 650
1,550,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 655K  vs
650 
Clock speed 3.2 GHz 3.2 GHz
Turbo clock speed 3.46 GHz 3.46 GHz
Cores Dual core Dual core
Socket type
LGA 1156
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
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 73W 73W
Annual home energy cost 17.59 $/year 37.54 $/year
Annual commercial energy cost 63.95 $/year 96.89 $/year
Performance per watt 8.89 pt/W 4.67 pt/W
Typical power consumption 59.31W 100.22W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 2,500 MT/s

details

Core i5 655K  vs
650 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Transistor count 382,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 24 24
Voltage range 0.65 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 72.6°C Unknown - 72.6°C

overclocking

Overclock popularity 4 21
Overclocked clock speed 4.63 GHz 4.31 GHz
Overclocked clock speed (Water) 3.2 GHz 5.08 GHz
Overclocked clock speed (Air) 4.63 GHz 4.31 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 2
GPU clock speed 733 MHz 733 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,773.12 MB 16,773.12 MB
Intel Core i5 655K
Report a correction
Intel Core i5 650
Report a correction

Read more

Comments

comments powered by Disqus