Intel Atom Z520 vs N450

	Performance
	Benchmark performance using all cores
Atom Z520 3.9 Atom N450 4.0 Atom N270 4.0
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

	Single-core Performance
	Individual core benchmark performance
Atom Z520 4.2 Atom N450 4.4 Atom N270 4.3
PassMark (Single Core), Geekbench 3 Single Core and 1 more

	Integrated Graphics
	Integrated GPU performance for graphics
Atom Z520 0.0 Atom N450 n.d. Atom N270 0.0
Sky Diver and Cloud Gate

	Integrated Graphics (OpenCL)
	Integrated GPU performance for parallel computing
Atom Z520 0.0 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?
Atom Z520 6.0 Atom N450 6.3 Atom N270 5.6
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

	Value
	Are you paying a premium for performance?
Atom Z520 7.1 Atom N450 9.5 Atom N270 5.3
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

5.3	CPUBoss Score
	Combination of all six facets
Atom Z520 1.6 Atom N450 5.3 Atom N270 0.9

Winner
Intel Atom Z520

CPUBoss recommends the Intel Atom Z520 based on its .

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Intel Atom Z520

Front view of Intel Atom Z520

Front view of Intel Atom N450

Intel Atom N450

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Front view of Intel Atom Z520

Reasons to consider the
Intel Atom Z520

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Has virtualization support

Yes

vs

No

Somewhat common; Boosts performance of virtual machines

Front view of Intel Atom N450

Reasons to consider the
Intel Atom N450

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Has a built-in GPU

Yes

vs

No

Somewhat common; A separate graphics adapter is not required

GeekBench 3 (Multi-core) Data courtesy Primate Labs

432

537

GeekBench 3 (Single core) Data courtesy Primate Labs

312

396

GeekBench 3 (AES single core) Data courtesy Primate Labs

20,550 MB/s

25,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

415

517

GeekBench

693

1,014

3D Mark 06 (CPU)

391

494

PassMark Data courtesy Passmark

215

297

PassMark (Single Core)

193

242

summary	Atom Z520	vs	N450
Clock speed	1.33 GHz		1.66 GHz
Cores	Single core		Single core
features
Has a NX bit	Yes		Yes
Supports trusted computing	No		No
Has virtualization support	Yes		No
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling	Yes		Yes
power consumption
TDP	2W		5.5W
Annual home energy cost	0.48 $/year		1.32 $/year
Performance per watt	10.05 pt/W		4.63 pt/W
Typical power consumption	1.63W		4.47W

details	Atom Z520	vs	N450
Architecture	x86		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	47,000,000		123,000,000
Max CPUs	1		1
Clock multiplier	10		10
Voltage range	0.75 - 1.1V		0.8 - 1.18V
overclocking
Overclocked clock speed	1.6 GHz		1.9 GHz
Overclocked clock speed (Water)	1.33 GHz		1.67 GHz
Overclocked clock speed (Air)	1.6 GHz		1.9 GHz
integrated graphics
GPU	None		GPU
Label	N/A		Integrated
bus
Architecture	FSB		DMI
Number of links	1		1

Intel Atom Z520

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Intel Atom N450

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Intel Atom Z520 vs N270

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Intel Atom N450 vs N270

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