Comparative form of high-resolution: more high-resolution(adjective)
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Use "higher-resolution" in a sentence
"CNN says it is launching its new live simulcast as part of a broader redesign of its CNN.com website to offer higher-resolution video and better access to clips of past programs."
"Both include Wi-Fi access and cameras capable of taking higher-resolution photos than most handsets: The Kin 1 will include a 5-megapixel camera, while the Kin 2 will have a 8-megapixel camera."
"In addition to offering higher-resolution photos with 60 percent more pixels than the iPhone 4, the iPhone 4S will allow for 1080p HD video recording and has been revamped to let users take better pictures in lower light and snap shots faster than on other phones."