1280 x 536 or 1280 x 720 pixels, depending on the aspect ratio.
The "720p" designation in your query refers to a specific digital video standard commonly found on platforms like Scribd or through various digital media sources: Bridge of Spies (2015) 720p
Donovan is sent to East Berlin to negotiate a high-stakes prisoner swap: Abel for Powers. He also famously maneuvers to include captured American student Frederic Pryor in the deal. Technical Details & Digital Formats 1280 x 536 or 1280 x 720 pixels,