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Differences What are the advantages of each

Front view of Intel Core i5 650

Reasons to consider the
Intel Core i5 650

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Much higher clock speed 3.2 GHz vs 2.7 GHz Around 20% higher clock speed
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 4.31 GHz vs 2.79 GHz Around 55% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 5.08 GHz vs 2.73 GHz More than 85% better overclocked clock speed (Water)
Front view of Intel Celeron G1820

Reasons to consider the
Intel Celeron G1820

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Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 32,768 MB vs 16,773.12 MB Supports more than 95% more RAM
More number of displays supported 3 vs 2 1 more number of displays supported

Benchmarks Real world tests of Core i5 650 vs Celeron G1820

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

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 650
1,550,000 MB/s
Celeron G1820
154,300 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 650  vs
Celeron G1820 
Clock speed 3.2 GHz 2.7 GHz
Cores Dual core Dual core
Socket type
LGA 1156
LGA 1150
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 73W 54W
Annual home energy cost 37.54 $/year 13.01 $/year
Annual commercial energy cost 96.89 $/year 47.3 $/year
Performance per watt 4.67 pt/W 2.59 pt/W
Typical power consumption 100.22W 43.88W

bus

Architecture DMI DMI 2.0
Number of links 1 0
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i5 650  vs
Celeron G1820 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 2 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1
Clock multiplier 24 27
Operating temperature Unknown - 72.6°C Unknown - 72°C

overclocking

Overclocked clock speed 4.31 GHz 2.79 GHz
Overclocked clock speed (Water) 5.08 GHz 2.73 GHz
Overclocked clock speed (Air) 4.31 GHz 2.79 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics HD (Haswell)
Number of displays supported 2 3
GPU clock speed 733 MHz 350 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 32,768 MB
Intel Core i5 650
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Intel Celeron G1820
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