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POWER CONSUMPTION
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Test Results: System Power Consumption (AC)
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Test State
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Seasonic SS-400ET
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picoPSU-120 + 60W brick
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Sleep
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2W
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2W
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Idle
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27W
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20W
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x264 Playback
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32W
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26W
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CPU Load
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38W
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32W
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CPU + GPU Load
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47W
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41W
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Note: testing was conducted with the WiFi adapter enabled, but not connected.
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For a simple system based around a low power motherboard with an integrated CPU, a DC-to-DC converter with an AC to DC power adapter is typically a superior choice to a full-sized ATX or SFX power supply. A picoPSU with only a 60W adapter powered our IONITX-P-E test system with room to spare and without adding any extra noise. It was also a more efficient choice than the SS-400ET, an 80 Plus OEM unit from Seasonic, as it consistently consumed 6W less during various test states.
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ION System Comparison: Power Consumption (AC)
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Test State
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Asus EB1501 (Atom 330 nettop)
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Zotac IONITX-P-E (SU2300 board)
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Zotac IONITX-A (Atom 330 board)
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Zotac ZBOX HD-ND22 (SU2300 nettop)
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Sleep
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2W
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2W
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2W
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1~2W
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Idle
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20W
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20W
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22W
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23W
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x264 Playback
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28W
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26W
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N/A
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28W
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CPU Load
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27W
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32W
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27W
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32W
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CPU + GPU Load
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39W
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41W
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34W
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44W
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IONITX-P-E powered by picoPSU.
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The picoPSU makes our IONITX-P-E test system competitive with the Asus EB1501, an Atom/ION nettop, and gives it a slight advantage over the ZBOX HD-ND22 and IONITX-A when idle. The IONITX-A is similar board with a dual core Atom 330 CPU instead of a CULV chip and DDR2 which is more power hungry than DDR3. All four devices use similar power supplies, though there may be some slight efficient differences between them. However even if you added a few watts to the IONITX-P-E's results, such a small difference is of little consequence when battery life isn't an issue.
VIDEO PLAYBACK
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Comparison: Video Playback
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Test State
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Zotac IONITX-P-E
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Zotac ZBOX HD-ND22
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Avg.
CPU
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System Power (AC)
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Avg.
CPU
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System Power (AC)
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Rush Hour
(H.264 10mbps)
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9%
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24W
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8%
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25W
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Coral Reef
(WMV-HD 8mbps)
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12%
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24W
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9%
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25W
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Spaceship
(x264 14mbps)
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17%
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26W
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17%
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28W
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Crash
(x264 22mbps)
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21%
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27W
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19%
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29W
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Iron Man
(Flash 2mbps)
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24%
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25W
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23%
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26W
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BD: Disturbia
(H.264 33mbps)
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21%
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32W
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N/A
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BD: Jane
(VC-1 36mbps)
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25%
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31W
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N/A
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IONITX-P-E powered by picoPSU.
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Our video playback tests show similar CPU utilization between the IONITX-P-E and comparable ZBOX as expected, but our test system used slightly less power on average. The CULV/ION combination has no trouble with Blu-ray playback.
PERFORMANCE
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Comparison: Performance Benchmarks
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System
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Atom 330 (DIY)
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ZBOX HD-ND22*
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Asus UL30A
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CPU
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Atom 1.6GHz
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Celeron 1.2GHz
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C2D 1.33GHz
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NOD32
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18:38
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12:59
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11:05
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WinRAR
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6:49
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6:00
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5:27
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iTunes
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20:30
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9:07
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8:02
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TMPGEnc
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15:38
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12:54
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10:22
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PCMark05
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2011
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3322
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3452
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*Same specs & performance as IONITX-P-E
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We opted not to run our usual performance benchmarks on the IONITX-P-E, as the specifications are identical to the ZBOX HD-ND22. The dual core Celeron SU2300 holds up very well against the Core 2 Duo CULV in the Asus UL30A, and it dominates the Atom 330.
Subjectively Windows 7 is a much smoother experience on the IONITX-P-E than on the Atom 330 setup. On an Atom based system, we prefer not to run any OS more resource-intensive than XP or Linux.
WiFi
The included WiFi adapter has an Atheros chipset which used an extra 2W in our test system when logged into a network. Disabling the adapter altogether saved 1W. With the board 25~30 feet and a wall away from our 802.11n route, we managed to transfer a 1422MB file in a approximately 6:28 which averages out to about 29.3mbps. This was almost twice as fast as the disappointing radio in the ZBOX HD-ND22, but only about 70% the speed we coaxed out of the dual antennae adapter on the Zotac H55-ITX-C-E, a premium LGA1156 board.
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