Cameras with more dynamic range allow you to take photos with dramatic differences in highlight and shadow areas while retaining detail in both.
Think of a brilliant sunset on a rocky beach: Bright sunset in the background, with dark rocks in the foreground. High dynamic range means more of the extremes will be faithfully reproduced.
Dynamic range test data courtesy of DxO Mark.GH4 test data on DxO Mark T5 test data on DxO Mark
Excellent still image quality for its class; Fantastic, highly-detailed video quality; Superior video recording chops with 4K video (both Cinema 4K and Ultra HD); Responsive all-around performer with great AF performance and burst shooting; Rolling shutter is minimal with 60p and 30p video; Splash- and dust-proof magnesium alloy body; Built-in Wi-Fi with NFC.
High ISO performance not as good as some APS-C models (IQ drops quickly past ISO 3200); Overall still image quality not significantly better than the GH3; Sluggish buffer clearing with RAW files; Rolling shutter noticeable on 4K video; Not as compact as most mirrorless cameras.
Very good image quality with great color accuracy; Lightweight and compact design; Great value for the money; Canon EF-S mount provides access to a vast array of lens options; Feature Guide and Creative Auto helps new users.
Slow burst mode; Shallow buffer; Without AF assist from flash low-light AF can struggle; Dynamic range and high ISO performance not as good as some competing models; No continuous AF in movie mode; Mono sound; No external mic jack.