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Differences What are the advantages of each

Front view of Intel Core i5 4308U

Reasons to consider the
Intel Core i5 4308U

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CPUBoss is not aware of any important advantages of the Core i5 4308U vs the Core i3 4020Y.

Front view of Intel Core i3 4020Y

Reasons to consider the
Intel Core i3 4020Y

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CPUBoss is not aware of any important advantages of the Core i3 4020Y vs the Core i5 4308U.

Benchmarks Real world tests of Core i5 4308U vs i3 4020Y

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i5 4308U
23.19 mHash/s
Core i3 4020Y
10.74 mHash/s

CompuBench 1.5 (Face detection)

Core i5 4308U
16.96 mPixels/s
Core i3 4020Y
11.47 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 4308U
1.38 fps
Core i3 4020Y
0.9 fps

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 4308U
4,120,000 MB/s
Core i3 4020Y
1,965,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 4308U  vs
i3 4020Y 
Clock speed 2.8 GHz 1.5 GHz
Cores Dual core Dual core
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
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 28W 11.5W
Annual home energy cost 6.75 $/year 2.77 $/year
Performance per watt 39.87 pt/W 47.56 pt/W
Typical power consumption 22.75W 9.34W

bus

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

details

Core i5 4308U  vs
i3 4020Y 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 3 MB 3 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.8 GHz 1.5 GHz
Overclocked clock speed (Water) 2.8 GHz 1.5 GHz
Overclocked clock speed (Air) 2.8 GHz 1.5 GHz

integrated graphics

GPU GPU GPU
Label Intel® Iris™ Graphics 5100 Intel® HD Graphics 4200
Number of displays supported 3 3
GPU clock speed 200 MHz 200 MHz
Turbo clock speed 1,200 MHz 850 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3L-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core i5 4308U
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Intel Core i3 4020Y
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