CPUBoss Review Our evaluation of 3337U vs 3227U among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores
Core i5 3337U
6.4
Core i3 3227U
6.0
Core i5 3230M
6.8
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i5 3337U
7.3
Core i3 3227U
6.1
Core i5 3230M
7.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i5 3337U
5.9
Core i3 3227U
6.0
Core i5 3230M
6.1
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i5 3337U
6.9
Core i3 3227U
7.0
Core i5 3230M
6.9
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i5 3337U
9.5
Core i3 3227U
9.3
Core i5 3230M
6.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i5 3337U
5.6
Core i3 3227U
6.1
Core i5 3230M
n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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Intel Core i5 3337U

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 Front view of Intel Core i5 3337U
Front view of Intel Core i3 3227U

Intel Core i3 3227U

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Differences What are the advantages of each

Front view of Intel Core i5 3337U

Reasons to consider the
Intel Core i5 3337U

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Significantly better geekbench 2 (32-bit) score 4,136 vs 3,133 More than 30% better geekbench 2 (32-bit) score
Better geekbench 3 AES single core score 1,750,000 MB/s vs 99,400 MB/s More than 17.5x better geekbench 3 AES single core score
Better PCMark 8 home 3.0 accelerated score 2,109 vs 1,943 Around 10% better PCMark 8 home 3.0 accelerated score
Significantly better overclocked clock speed (Air) 2.7 GHz vs 1.9 GHz More than 40% better overclocked clock speed (Air)
Better geekbench 2 (64-bit) score 4,116 vs 3,593 Around 15% better geekbench 2 (64-bit) score
Better 3DMark06 CPU score 3,145 vs 2,413 More than 30% better 3DMark06 CPU score
Better performance per dollar 1.77 pt/$ vs 0.7 pt/$ More than 2.5x better performance per dollar
Better performance per watt 23.37 pt/W vs 9.28 pt/W More than 2.5x better performance per watt
Front view of Intel Core i3 3227U

Reasons to consider the
Intel Core i3 3227U

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More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Slightly higher clock speed 1.9 GHz vs 1.8 GHz More than 5% higher clock speed
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better CompuBench 1.5 T-Rex score 0.83 fps vs 0.69 fps More than 20% better CompuBench 1.5 T-Rex score
Better sky diver score 1,766 vs 1,653 More than 5% better sky diver score

Benchmarks Real world tests of Core i5 3337U vs i3 3227U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i5 3337U
11.19 mHash/s
Core i3 3227U
11.31 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 3337U
0.69 fps
Core i3 3227U
0.83 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Core i5 3337U
2,109
Core i3 3227U
1,943

Sky Diver Data courtesy FutureMark

Core i5 3337U
1,653
Core i3 3227U
1,766

Cloud Gate Data courtesy FutureMark

Core i5 3337U
3,371
Core i3 3227U
3,356

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 3337U
4,478
Core i3 3227U
3,242

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 3337U
2,166
Core i3 3227U
1,530

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 3337U
1,750,000 MB/s
Core i3 3227U
99,400 MB/s

Specifications Full list of technical specs

summary

 Core i5 3337U  vs
i3 3227U 
Clock speed 1.8 GHz 1.9 GHz
Cores Dual core Dual core
Socket type
BGA 1023
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
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 17W 17W
Annual home energy cost 4.1 $/year 4.1 $/year
Performance per watt 23.37 pt/W 9.28 pt/W
Typical power consumption 13.81W 13.81W

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

details

 Core i5 3337U  vs
i3 3227U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 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 22 nm
Max CPUs 1 1
Clock multiplier 18 19
Operating temperature Unknown - 105°C Unknown - 105°C

overclocking
Overclocked clock speed 2.7 GHz 1.9 GHz
Overclocked clock speed (Water) 1.8 GHz 1.9 GHz
Overclocked clock speed (Air) 2.7 GHz 1.9 GHz

integrated graphics
GPU GPU GPU
Label Intel® HD Graphics 4000 Intel® HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,100 MHz 1,100 MHz

memory controller
Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3L-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,600 MB/s 12,800 MB/s
Intel Core i5 3337U
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Intel Core i3 3227U
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Comments

Showing 1 comment.
steven (05:41 AM, May 6, 2014)
are you guys builders or unit buyers?
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