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Differences What are the advantages of each

Front view of Intel Pentium G2120

Reasons to consider the
Intel Pentium G2120

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Significantly higher clock speed 3.1 GHz vs 2.7 GHz Around 15% higher clock speed
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Significantly better overclocked clock speed (Water) 3.1 GHz vs 2.7 GHz Around 15% better overclocked clock speed (Water)
Newer Sep, 2012 vs Jan, 2011 Release date over 1 years later
Front view of Intel Core i5 2390T

Reasons to consider the
Intel Core i5 2390T

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Much better turbo clock speed 1,100 MHz vs 1,050 MHz Around 5% better turbo clock speed
More threads 4 vs 2 Twice as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Air) 3.68 GHz vs 3.21 GHz Around 15% better overclocked clock speed (Air)
Significantly lower typical power consumption 28.44W vs 44.69W More than 35% lower typical power consumption
Significantly lower annual commercial energy cost 30.66 $/year vs 48.18 $/year More than 35% lower annual commercial energy cost
Significantly lower annual home energy cost 8.43 $/year vs 13.25 $/year More than 35% lower annual home energy cost

Benchmarks Real world tests of Pentium G2120 vs Core i5 2390T

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

Pentium G2120
161,300 MB/s
Core i5 2390T
2,230,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium G2120  vs
Core i5 2390T 
Clock speed 3.1 GHz 2.7 GHz
Cores Dual core Dual core
Socket type
LGA 1155

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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 55W 35W
Annual home energy cost 13.25 $/year 8.43 $/year
Annual commercial energy cost 48.18 $/year 30.66 $/year
Performance per watt 2.26 pt/W 21.94 pt/W
Typical power consumption 44.69W 28.44W

bus

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

details

Pentium G2120  vs
Core i5 2390T 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 31 27

overclocking

Overclocked clock speed 3.21 GHz 3.68 GHz
Overclocked clock speed (Water) 3.1 GHz 2.7 GHz
Overclocked clock speed (Air) 3.21 GHz 3.68 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics 2000
Number of displays supported 3 2
GPU clock speed 650 MHz 650 MHz
Turbo clock speed 1,050 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 25,600 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Pentium G2120
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Intel Core i5 2390T
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