CPUBoss Review Our evaluation of 3427U vs 3337U among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

7.3

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 3427U 

CPUBoss recommends the Intel Core i5 3427U  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Core i5 3427U

Reasons to consider the
Intel Core i5 3427U

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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
Higher turbo clock speed 2.8 GHz vs 2.7 GHz Around 5% higher turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better sky diver score 1,772 vs 1,653 More than 5% better sky diver score
Slightly better turbo clock speed 1,150 MHz vs 1,100 MHz Around 5% better turbo clock speed
Slightly better geekbench 3 single core score 2,345 vs 2,166 Around 10% better geekbench 3 single core score
Front view of Intel Core i5 3337U

Reasons to consider the
Intel Core i5 3337U

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Significantly better CompuBench 1.5 T-Rex score 0.69 fps vs -1 fps Around 175% better CompuBench 1.5 T-Rex score
Better overclocked clock speed (Air) 2.7 GHz vs 2.48 GHz Around 10% better overclocked clock speed (Air)
Newer Jan, 2013 vs Jun, 2012 Release date 7 months later

Benchmarks Real world tests of Core i5 3427U vs 3337U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i5 3427U
11.96 mHash/s
Core i5 3337U
11.19 mHash/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 3427U
-1 fps
Core i5 3337U
0.69 fps

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Sky Diver Data courtesy FutureMark

Cloud Gate 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 3427U
1,900,000 MB/s
Core i5 3337U
1,750,000 MB/s

Specifications Full list of technical specs

summary

Core i5 3427U  vs
3337U 
Clock speed 1.8 GHz 1.8 GHz
Turbo clock speed 2.8 GHz 2.7 GHz
Cores Dual core Dual core
Socket type
BGA 1023
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 17W 17W
Annual home energy cost 4.1 $/year 4.1 $/year
Performance per watt 24.73 pt/W 23.64 pt/W
Typical power consumption 13.81W 13.81W

bus

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

details

Core i5 3427U  vs
3337U 
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 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 18 18
Operating temperature Unknown - 105°C Unknown - 105°C

overclocking

Overclocked clock speed 2.48 GHz 2.7 GHz
Overclocked clock speed (Water) 1.8 GHz 1.8 GHz
Overclocked clock speed (Air) 2.48 GHz 2.7 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 1,150 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 12,800 MB/s 25,600 MB/s
Intel Core i5 3427U
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Intel Core i5 3337U
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