pi@lurity-prod-236:~ $ tvservice --modes=CEA
Group CEA has 23 modes:
           mode 1: 640x480 @ 60Hz 4:3, clock:25MHz progressive 
           mode 2: 720x480 @ 60Hz 4:3, clock:27MHz progressive 
           mode 3: 720x480 @ 60Hz 16:9, clock:27MHz progressive 
           mode 4: 1280x720 @ 60Hz 16:9, clock:74MHz progressive 
           mode 5: 1920x1080 @ 60Hz 16:9, clock:74MHz interlaced 
  (prefer) mode 16: 1920x1080 @ 60Hz 16:9, clock:148MHz progressive 
           mode 17: 720x576 @ 50Hz 4:3, clock:27MHz progressive 
           mode 18: 720x576 @ 50Hz 16:9, clock:27MHz progressive 
           mode 19: 1280x720 @ 50Hz 16:9, clock:74MHz progressive 
           mode 20: 1920x1080 @ 50Hz 16:9, clock:74MHz interlaced 
           mode 21: 720x576 @ 50Hz 4:3, clock:27MHz x2 interlaced 
           mode 31: 1920x1080 @ 50Hz 16:9, clock:148MHz progressive 
           mode 32: 1920x1080 @ 24Hz 16:9, clock:74MHz progressive 
           mode 33: 1920x1080 @ 25Hz 16:9, clock:74MHz progressive 
           mode 34: 1920x1080 @ 30Hz 16:9, clock:74MHz progressive 
           mode 63: 1920x1080 @ 120Hz 16:9, clock:297MHz progressive 
           mode 64: 1920x1080 @ 100Hz 16:9, clock:297MHz progressive 
           mode 93: 3840x2160 @ 24Hz 16:9, clock:297MHz progressive 
           mode 94: 3840x2160 @ 25Hz 16:9, clock:297MHz progressive 
           mode 95: 3840x2160 @ 30Hz 16:9, clock:297MHz progressive 
           mode 98: 4096x2160 @ 24Hz unknown AR, clock:297MHz progressive 
           mode 99: 4096x2160 @ 25Hz unknown AR, clock:297MHz progressive 
           mode 100: 4096x2160 @ 30Hz unknown AR, clock:297MHz progressive