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Differences What are the advantages of each

Front view of Intel Celeron G1840T

Reasons to consider the
Intel Celeron G1840T

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CPUBoss is not aware of any important advantages of the G1840T vs the G1820T.

Front view of Intel Celeron G1820T

Reasons to consider the
Intel Celeron G1820T

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much higher GPU clock speed 1,050 MHz vs 200 MHz 5.2x higher GPU clock speed

Benchmarks Real world tests of Celeron G1840T vs G1820T

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron G1840T  vs
G1820T 
Clock speed 2.5 GHz 2.4 GHz
Cores Dual core Dual core
Socket type
LGA 1150
Is unlocked No No

features

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

power consumption

TDP 35W 35W
Annual home energy cost 8.43 $/year 8.43 $/year
Annual commercial energy cost 30.66 $/year 30.66 $/year
Performance per watt 3.84 pt/W 3.29 pt/W
Typical power consumption 28.44W 28.44W

bus

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

details

Celeron G1840T  vs
G1820T 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 2 MB 2 MB
L3 cache per core 1 MB/core 1 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 25 24
Operating temperature Unknown - 66.4°C Unknown - 66.4°C

overclocking

Overclocked clock speed 2.5 GHz 2.4 GHz
Overclocked clock speed (Water) 2.5 GHz 2.4 GHz
Overclocked clock speed (Air) 2.5 GHz 2.4 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics HD (Haswell)
Number of displays supported 3 3
GPU clock speed 200 MHz 1,050 MHz
Turbo clock speed 1,050 MHz 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3L-1333
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Celeron G1840T
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Intel Celeron G1820T
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