CPUBoss Review Our evaluation of N470 vs N270 among laptop CPUs (up to 15W)

Performance

Benchmark performance using all cores
Atom N470
4.0
Atom N270
4.0
Atom N450
4.0
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Atom N470
4.4
Atom N270
4.3
Atom N450
4.4
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Atom N470
n.d.
Atom N270
0.0
Atom N450
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Atom N470
n.d.
Atom N270
0.0
Atom N450
n.d.
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Atom N470
5.9
Atom N270
5.6
Atom N450
6.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Atom N470
7.7
Atom N270
5.3
Atom N450
9.5
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more
4.6

CPUBoss Score

Combination of all six facets
Atom N470
4.6
Atom N270
0.9
Atom N450
5.3

Winner
Intel Atom N470 

CPUBoss recommends the Intel Atom N470  based on its .

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VS

Intel Atom N470

Front view of Intel Atom N470
Front view of Intel Atom N270

Intel Atom N270

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Differences What are the advantages of each

Front view of Intel Atom N470

Reasons to consider the
Intel Atom N470

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of Intel Atom N270

Reasons to consider the
Intel Atom N270

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CPUBoss is not aware of any important advantages of the N270 vs the N470.

Benchmarks Real world tests of Atom N470 vs N270

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom N470
603.5
Atom N270
516

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom N470
423
Atom N270
369

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom N470
28.85 MB/s
Atom N270
24,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Atom N470
589
Atom N270
491

GeekBench

Atom N470
945
Atom N270
854

3D Mark 06 (CPU)

Atom N470
537.5
Atom N270
483

PassMark Data courtesy Passmark

Atom N470
307
Atom N270
271

PassMark (Single Core)

Atom N470
254
Atom N270
236

Specifications Full list of technical specs

summary

 Atom N470  vs
N270 
Clock speed 1.83 GHz 1.6 GHz
Cores Single core Single core

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 6.5W 2.5W
Annual home energy cost 1.57 $/year 0.6 $/year
Performance per watt 2.75 pt/W 9.71 pt/W
Typical power consumption 5.28W 2.03W

details

 Atom N470  vs
N270 
Architecture x86-64 x86
Threads 2 2
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 123,000,000 47,000,000
Max CPUs 1 1

overclocking
Overclocked clock speed 1.83 GHz 1.87 GHz
Overclocked clock speed (Water) 1.83 GHz 1.6 GHz
Overclocked clock speed (Air) 1.83 GHz 1.87 GHz

integrated graphics
GPU GPU None
Label Integrated N/A
GPU clock speed 200 MHz N/A

bus
Architecture DMI FSB
Number of links 1 1
Intel Atom N470
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Intel Atom N270
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