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I measured the power draw of the Omni 27 using a Kill-A-Watt consumption meter. At idle, the system draw averaged around 49 watts. I used Prime 95 and OCCT's PSU stress tool to generate a full load on the system which pulled 131 watts. Compared to the smaller TouchSmart 520, this system draws around 10-15 watts less at idle and nearly the same at full load.
This is impressive as the display on the Omni is larger and the processor is clocked 200MHz higher. We can thank Ivy Bridge for this. The system remained virtually silent throughout stress testing, with the cooling fan only spinning up slightly under full load.
|Synthetic Tests||Omni 27||TouchSmart 520||IdeaCentre K330|
|3DMark Score||7489 3DMarks||4095 3DMarks||21840 3DMarks|
|PCMark Suite||12038 PCMarks||9105 PCMarks||10904 PCMarks|
|Application Tests||Omni 27||TouchSmart 520||IdeaCentre K330|
|iTunes Encoding Test||58 sec||01 min 1 sec||01 min 2 sec|
|File Transfer Test|
|Small files||50.8 sec||1 min 28 sec||1 min 4 sec|
|Large file||33.6 sec||52 sec||38 sec|
The iTunes encoding tests consist of converting 14 MP3s (119MB) to 128Kbps ACC files and measuring the operation's duration in seconds. For the file transfer test, we measure how long it takes to copy two sets of files from one location to another on the same hard drive. On the small files test we transfer 557 MP3s, totaling 2.56GB. For the large file, these same MP3s were zipped into a single file measuring 2.52GB.
|Gaming Performance||Omni 27||TouchSmart 520||IdeaCentre K330|
|Far Cry 2|
|1024x768 Medium Quality||47.93 fps||24.0 fps||--|
|1920x1080 Resolution, High Quality||27.42 fps||13.6 fps||58.9 fps|
|1024x768 Medium Quality||62.65 fps||39.0 fps||--|
|1920x1080, High Quality||30.46 fps||23.1 fps||60.8 fps|
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