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Differences What are the advantages of each

Front view of Intel Core i5 2557M

Reasons to consider the
Intel Core i5 2557M

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 5010U

Reasons to consider the
Intel Core i3 5010U

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CPUBoss is not aware of any important advantages of the Core i3 5010U vs the Core i5 2557M.

Benchmarks Real world tests of Core i5 2557M vs i3 5010U

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 2557M
1,780,000 MB/s
Core i3 5010U
2,730,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 2557M  vs
i3 5010U 
Clock speed 1.7 GHz 2.1 GHz
Cores Dual core Dual core
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
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 15W
Annual home energy cost 4.1 $/year 3.61 $/year
Performance per watt 41.27 pt/W 48.62 pt/W
Typical power consumption 13.81W 12.19W

bus

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

details

Core i5 2557M  vs
i3 5010U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 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 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.4 GHz 2.1 GHz
Overclocked clock speed (Water) 1.7 GHz 2.1 GHz
Overclocked clock speed (Air) 2.4 GHz 2.1 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Intel® HD Graphics 5500
Number of displays supported 2 3
GPU clock speed 350 MHz 300 MHz
Turbo clock speed 1,200 MHz 900 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 8,202.24 MB 16,384 MB
Intel Core i5 2557M
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Intel Core i3 5010U
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