Intel Atom Z520 vs Intel Atom Z550

Intel Atom Z520

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The Intel Atom Z520 is a power saving netbook / MID single-core processor. Compared to the Atom N-series, the Z-series supports Virtualization in hardware and got the Idle States and Demand Based Switching functions.

The Atom core was designed for a low power consumption and cheap production. The downside is the relative low performance per Watt (due to the in-order execution) compared to similar clocked Celeron processors, e.g.. Still the integrated Hyper-Threading (the operating system sees the CPU as a dual core CPU) decreases the penalty of the in-order execution a bit.

The performance of the Z520 is only compareable to a 800-900 MHz clocked Celeron M and therfore only sufficient for non demanding applications like Office or web surfing. HD videos, advanced photo editing, video cutting may not run fluently. 

Intel Atom Z550

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The Intel Atom Z550 is a power saving netbook / MID single-core processor. Compared to the Atom N-series, the Z-series supports Virtualization in hardware and got the Idle States and Demand Based Switching functions. Therefore, the Z-Series also has a lower TDP rating.

The Atom core was designed for a low power consumption and cheap production. The downside is the relative low performance per Watt (due to the in-order execution) compared to similar clocked Celeron processors, e.g.. Still the integrated Hyper-Threading (the operating system sees the CPU as a dual core CPU) decreases the penalty of the in-order execution a bit.

Intel Atom Z520Intel Atom Z550
Intel AtomIntel Atom
SilverthorneSilverthorne
: Atom Silverthorne
Intel Atom Z560 compare2130 MHz1 / 2
Intel Atom Z5502000 MHz1 / 2
Intel Atom Z540 compare1830 MHz1 / 2
Intel Atom 230 compare1600 MHz1 / 2
Intel Atom Z530 compare1600 MHz1 / 2
» Intel Atom Z5201333 MHz1 / 2
Intel Atom Z510 compare1100 MHz1 / 1
Intel Atom Z500 compare800 MHz1 / 1
Intel Atom Z560 compare2130 MHz1 / 2
» Intel Atom Z5502000 MHz1 / 2
Intel Atom Z540 compare1830 MHz1 / 2
Intel Atom 230 compare1600 MHz1 / 2
Intel Atom Z530 compare1600 MHz1 / 2
Intel Atom Z5201333 MHz1 / 2
Intel Atom Z510 compare1100 MHz1 / 1
Intel Atom Z500 compare800 MHz1 / 1
1333 MHz2000 MHz
533533
512 KB512 KB
1 / 21 / 2
2 2.4
47 47
45 0.75-1.1V45
26 mm226 mm2
90 °C
PBGA441PBGA441
MMX, SSE, SSE2, SSE3, SSSE3, HHTMMX, SSE, SSE2, SSE3, SSSE3, HHT, Hyperthreading
Intel Atom Z520Intel Atom Z550

Cinebench R10 - Rendering Single 32Bit
100%
Z520 +
min: 424     avg: 443     median: 449 (5%)     max: 454 Points
146%
Z550 +
657 Points (7%)
Cinebench R10 - Rendering Multiple CPUs 32Bit
100%
Z520 +
min: 635     avg: 706     median: 689.5 (1%)     max: 869 Points
142%
Z550 +
980 Points (2%)
wPrime 2.10 - 1024m *
100%
Z520 +
min: 4528.41     avg: 4595     median: 4594.7 (54%)     max: 4660.92 seconds
125%
Z550 +
3625 seconds (43%)
wPrime 2.10 - 32m *
100%
Z520 +
min: 141     avg: 146     median: 146.3 (29%)     max: 150.184 seconds
113%
Z550 +
102 seconds (21%)
3DMark 06 - CPU - CPU Score
100%
Z520 +
391 Points (3%)
Super Pi mod 1.5 XS 1M - 1M *
100%
Z520 +
min: 113     avg: 122     median: 115 (25%)     max: 137 Seconds
109%
Z550 +
82 Seconds (18%)
Super Pi mod 1.5 XS 2M - 2M *
100%
Z520 +
min: 251     avg: 258     median: 258 (11%)     max: 265 Seconds
104%
Z550 +
182 Seconds (8%)
Super Pi Mod 1.5 XS 32M - 32M *
100%
Z520 +
min: 5602     avg: 6153     median: 6153 (27%)     max: 6704 Seconds
SiSoft Sandra Dhrystone (MIPS)
100%
Z520 +
min: 3125     avg: 3279     median: 3353 (2%)     max: 3360 MIPS
SiSoft Sandra Whetstone (MFLOPS)
100%
Z520 +
min: 2608     avg: 2738     median: 2797 (2%)     max: 2808 MFLOPS
PCMark 05 - Standard 1024x768
100%
Z520 +
min: 692     avg: 949     median: 1002 (6%)     max: 1099 Points
150%
Z550 +
1506 Points (9%)
Windows Vista Experience Index - CPU
100%
Z520 +
2.7 Points (39%)
100%
Z550 +
2.7 Points (39%)
Windows 7 Experience Index - Processor
2.1 points (27%)
100%
Z550 +
2.7 points (35%)

Average Benchmarks Intel Atom Z520 → 100%

Average Benchmarks Intel Atom Z550 → 121%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)