The phrase "laggy performance" means that something (like a device, game, or application) is not running smoothly or quickly. It may be slow, have delays, or not respond well.
Sentences with «laggy performance»
In the cabin, there are all the modern bells and whistles, including a touch - screen display with navigation that unfortunately suffers from laggy performance. (autofocus.ca)
Samsung has taken good 7 - inch tablet and made it even better: Light; improved but sometimes laggy performance; excellent 1024x600 display that works indoors and outdoors; expandable storage (up to an additional 32 GB SDHC); reasonably good cameras that record VGA or 720p HD video; updated Android OS that is actually designed for tablets; and enhanced TouchWiz. (androidthoughts.com)
The device had a great screen but problematic bugs caused laggy performance and low scores. (techcrunch.com)