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Differences What are the advantages of each

Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Much higher clock speed 3.3 GHz vs 2.5 GHz More than 30% higher clock speed
Much better PassMark (Single core) score 1,690 vs 790 Around 2.2x better PassMark (Single core) score
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
Much better overclocked clock speed (Air) 3.42 GHz vs 2.85 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.37 GHz vs 2.2 GHz Around 55% better overclocked clock speed (Water)
Front view of AMD A6 3620

Reasons to consider the
AMD A6 3620

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Much more l2 cache 4 MB vs 0.5 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Higher Maximum operating temperature 70.5 °C vs 69.1 °C Almost the same
Newer Dec, 2011 vs Jan, 2011 Release date 11 months later

Benchmarks Real world tests of Core i3 2120 vs A6 3620

CompuBench 1.5 (Face detection)

Core i3 2120
2 mPixels/s
A6 3620
2.78 mPixels/s

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i3 2120
5,074
A6 3620
4,173

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i3 2120
2,371
A6 3620
1,201

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 2120
162,800 MB/s
A6 3620
94,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i3 2120
5,008
A6 3620
3,994

GeekBench

Core i3 2120
8,526
A6 3620
4,374

PassMark Data courtesy Passmark

Core i3 2120
3,901
A6 3620
2,825

PassMark (Single Core)

Core i3 2120
1,690
A6 3620
790

Specifications Full list of technical specs

summary

Core i3 2120  vs
A6 3620 
Clock speed 3.3 GHz 2.5 GHz
Cores Dual core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 2.79 pt/W 1.94 pt/W
Typical power consumption 52.81W 52.81W

details

Core i3 2120  vs
A6 3620 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 3 MB 1 MB
L3 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 70.5°C

overclocking

Overclocked clock speed 3.42 GHz 2.85 GHz
Overclocked clock speed (Water) 3.37 GHz 2.2 GHz
Overclocked clock speed (Air) 3.42 GHz 2.85 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2000 Radeon™ HD 6530D
GPU clock speed 850 MHz 443 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3-1066
DDR3
Intel Core i3 2120
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AMD A6 3620
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