CPUBoss Review Our evaluation of N470 vs N450 among laptop CPUs (up to 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

Atom N470
n.d.
Atom N450
n.d.
Atom N270
0.0
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Atom N470
n.d.
Atom N450
n.d.
Atom N270
0.0
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

5.3

CPUBoss Score

Combination of all six facets

Winner
Intel Atom N470 

CPUBoss recommends the Intel Atom N470  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Atom N470

Reasons to consider the
Intel Atom N470

Report a correction

CPUBoss is not aware of any important advantages of the N470 vs the N450.

Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

Report a correction

CPUBoss is not aware of any important advantages of the N450 vs the N470.

Benchmarks Real world tests of Atom N470 vs N450

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom N470
603.5
Atom N450
537

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom N470
28.85 MB/s
Atom N450
25,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Atom N470
945
Atom N450
1,014

3D Mark 06 (CPU)

Atom N470
537.5
Atom N450
494

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Atom N470  vs
N450 
Clock speed 1.83 GHz 1.66 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
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 6.5W 5.5W
Annual home energy cost 1.57 $/year 1.32 $/year
Performance per watt 2.75 pt/W 4.63 pt/W
Typical power consumption 5.28W 4.47W

bus

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

details

Atom N470  vs
N450 
Architecture x86-64 x86-64
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 123,000,000 123,000,000
Max CPUs 1 1

overclocking

Overclocked clock speed 1.83 GHz 1.9 GHz
Overclocked clock speed (Water) 1.83 GHz 1.67 GHz
Overclocked clock speed (Air) 1.83 GHz 1.9 GHz

integrated graphics

GPU GPU GPU
Label Integrated Integrated

memory controller

Memory controller Built-in Built-in
Memory type
DDR2-667
DDR2
Channels Single Channel Single Channel
Maximum bandwidth 5,333.33 MB/s 5,333.33 MB/s
Maximum memory size 2,048 MB 2,048 MB
Intel Atom N470
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Intel Atom N450
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Comments

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