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Differences What are the advantages of each

Front view of Intel Core i5 3550S

Reasons to consider the
Intel Core i5 3550S

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Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 4 vs 2 Twice as many cores; run more applications at once
Supports more RAM 32,768 MB vs 16,773.12 MB Supports more than 95% more RAM
More number of displays supported 3 vs 2 1 more number of displays supported
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i3 550

Reasons to consider the
Intel Core i3 550

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Much higher clock speed 3.2 GHz vs 3 GHz More than 5% higher clock speed
Much better overclocked clock speed (Water) 3.2 GHz vs 3 GHz More than 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i5 3550S vs i3 550

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

Core i5 3550S
2,260,000 MB/s
Core i3 550
128,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3550S  vs
i3 550 
Clock speed 3 GHz 3.2 GHz
Cores Quad core Dual core
Socket type
LGA 1155
LGA 1156
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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 73W
Annual home energy cost 38.63 $/year 17.59 $/year
Annual commercial energy cost 105.12 $/year 63.95 $/year
Performance per watt 6.29 pt/W 1.98 pt/W
Typical power consumption 106.75W 59.31W

bus

Architecture DMI 2.0 DMI
Number of links 1 1
Transfer rate 5,000 MT/s 2,500 MT/s

details

Core i5 3550S  vs
i3 550 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 4 MB
L3 cache per core 1.5 MB/core 2 MB/core
Manufacture process 22 nm 32 nm
Transistor count 1,400,000,000 382,000,000
Max CPUs 1 1
Clock multiplier 30 24
Operating temperature Unknown - 69.1°C Unknown - 72.6°C

overclocking

Overclocked clock speed 3.52 GHz 4.53 GHz
Overclocked clock speed (Water) 3 GHz 3.2 GHz
Overclocked clock speed (Air) 3.52 GHz 4.53 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Intel® HD Graphics
Number of displays supported 3 2
GPU clock speed 650 MHz 733 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 16,773.12 MB
Intel Core i5 3550S
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Intel Core i3 550
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