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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.

ModelIntel Atom Z520Intel Atom Z550
SeriesIntel AtomIntel Atom
CodenameSilverthorneSilverthorne
Series: Atom Silverthorne
Intel Atom Z560 compare2.13 GHz1 / 2
Intel Atom Z5502 GHz1 / 2
Intel Atom Z540 compare1.83 GHz1 / 2
Intel Atom 230 compare1.6 GHz1 / 2
Intel Atom Z530 compare1.6 GHz1 / 2
» Intel Atom Z5201.33 GHz1 / 2
Intel Atom Z510 compare1.1 GHz1 / 1
Intel Atom Z500 compare0.8 GHz1 / 1
Intel Atom Z560 compare2.13 GHz1 / 2
» Intel Atom Z5502 GHz1 / 2
Intel Atom Z540 compare1.83 GHz1 / 2
Intel Atom 230 compare1.6 GHz1 / 2
Intel Atom Z530 compare1.6 GHz1 / 2
Intel Atom Z5201.33 GHz1 / 2
Intel Atom Z510 compare1.1 GHz1 / 1
Intel Atom Z500 compare0.8 GHz1 / 1
Clock1333 MHz2000 MHz
FSB533533
L2 Cache512 KB512 KB
Cores / Threads1 / 21 / 2
TDP2 Watt2.4 Watt
Transistors47 Million47 Million
Technology45 nm0.75-1.1V45 nm
Die Size26 mm226 mm2
max. Temp.90 °C
SocketPBGA441PBGA441
FeaturesMMX, SSE, SSE2, SSE3, SSSE3, HHTMMX, SSE, SSE2, SSE3, SSSE3, HHT, Hyperthreading
Architecturex86x86
Announced
ManufacturerIntel Atom Z520Intel Atom Z550

Benchmarks

Cinebench R10 - Cinebench R10 Rend. Single (32bit)
100%
Z520 +
min: 424     avg: 443     median: 449 (4%)     max: 454 Points
146%
Z550 +
657 Points (6%)
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
100%
Z520 +
min: 635     avg: 706     median: 689.5 (1%)     max: 869 Points
142%
Z550 +
980 Points (1%)
wPrime 2.10 - wPrime 2.0 1024m *
100%
Z520 +
min: 4528     avg: 4595     median: 4594.5 (54%)     max: 4661 s
125%
Z550 +
3625 s (43%)
wPrime 2.10 - wPrime 2.0 32m *
100%
Z520 +
min: 141     avg: 145.8     median: 146.3 (29%)     max: 150.2 s
113%
Z550 +
101.5 s (20%)
3DMark 06 - CPU - 3DMark 06 - CPU
100%
1 Z520 +
391 Points (1%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
100%
Z520 +
min: 113     avg: 121.7     median: 115 (25%)     max: 137 s
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
100%
Z520 +
min: 251     avg: 258     median: 258 (11%)     max: 265 s
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
100%
1 Z520 +
min: 5602     avg: 6153     median: 6153 (27%)     max: 6704 s
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
100%
1 Z520 +
min: 3125     avg: 3279     median: 3353 (2%)     max: 3360 MIPS
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
100%
1 Z520 +
min: 2608     avg: 2738     median: 2797 (2%)     max: 2808 MFLOPS
PCMark 05 - PCMark 05 - Standard
100%
Z520 +
min: 692     avg: 949     median: 1002 (6%)     max: 1099 Points
150%
Z550 +
1506 Points (9%)
Windows Vista Experience Index - Windows Vista Leistungsindex - Prozessor
100%
Z520 +
2.7 Points (39%)
100%
Z550 +
2.7 Points (39%)
Windows 7 Experience Index - Win7 CPU
2.1 Points (27%)
100%
Z550 +
2.7 Points (35%)

Average Benchmarks Intel Atom Z520 → 100% n=8

Average Benchmarks Intel Atom Z550 → 124% n=8

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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show all (including archived), 2022, 2021
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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)