Intel Atom Z520 

Released April, 2008
  • 1.33 GHz
  • Single core
2.6 Out of 10

CPUBoss Review Our evaluation of the Intel Atom Z520 among laptop CPUs (up to 15W)

Performance

Benchmark performance using all cores

Atom Z520
4.9
Atom N270
4.9
Atom N450
4.9
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Atom Z520
4.9
Atom N270
5.0
Atom N450
5.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Atom Z520
0.0
Atom N270
0.0
Atom N450
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Atom Z520
0.0
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 Z520
5.8
Atom N270
5.5
Atom N450
6.0
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Atom Z520
5.8
Atom N270
5.1
Atom N450
6.6
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

2.6

CPUBoss Score

Combination of all six facets

Atom Z520
2.6
Atom N270
2.4
Atom N450
5.5

Benchmarks Real world tests of the Intel Atom Z520

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom Z520
432
Atom N450
537
Atom N270
516

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom Z520
312
Atom N450
396
Atom N270
369

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom Z520
20,550 MB/s
Atom N450
25,700 MB/s
Atom N270
24,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Atom Z520
415
Atom N450
517
Atom N270
491

GeekBench

Atom Z520
693
Atom N450
1,014
Atom N270
854

3D Mark 06 (CPU)

Atom Z520
391
Atom N450
494
Atom N270
483

PassMark Data courtesy Passmark

Atom Z520
222
Atom N450
292
Atom N270
281

PassMark (Single Core)

Atom Z520
199
Atom N270
240
Atom N450
238

Specifications Full list of technical specs

summary

Clock speed 1.33 GHz
Cores Single core
Socket type 441

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE3
  5. Supplemental SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 2W
Annual home energy cost 0.48 $/year
Performance per watt 11.58 pt/W
Typical power consumption 1.63W

bus

Architecture FSB
Clock speed 533 MHz

details

Architecture x86
Threads 2 threads
L2 cache 0.5 MB
L2 cache per core 0.5 MB/core
Manufacture process 45 nm
Transistor count 47,000,000
Max CPUs 1
Clock multiplier 10
Voltage range 0.75 - 1.1V

overclocking

Overclocked clock speed 1.6 GHz
Overclocked clock speed (Water) 1.33 GHz
Overclocked clock speed (Air) 1.6 GHz

integrated graphics

GPU None
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