It looks like the Raspberry Pi 3 may be powerful enough to output 4K video, but I haven't seen anything about it anywhere.

Does anyone know if the Raspberry Pi 3 can output video over HDMI at 4K resolution? If so, is it 30Hz or 60Hz?


The best information I can find suggests that it's possible to output 4K resolutions, but at fairly miserable frame rates. The Pi 3 has the same GPU as the Pi 2, so the information should still be valid:

Source: https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=79330

I have managed to get 3840 x 2160 (4k x 2k) at 15Hz on a Seiki E50UY04 working under two distributions on the Raspberry Pi... (Latest Wheezy/Openelec). The television shows it is receiving this resolution and hertz level, and it looks very crisp.

This is my config.txt for wheezy:

# uncomment if you get no picture on HDMI for a default "safe" mode

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border

# uncomment to force a console size. By default it will be display's size minus
# overscan.

# uncomment if hdmi display is not detected and composite is being output

# uncomment to force a specific HDMI mode (this will force VGA)

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display

# uncomment for composite PAL

#uncomment to overclock the arm. 700 MHz is the default.

# for more options see http://elinux.org/RPi_config.txt
hdmi_cvt 3840 2160 15
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  • It does run the same gpu but at 400 instead of 250mhz – Emanuele Ciurleo Mar 15 '16 at 15:24
  • 2
    True. I've yet to see any analysis on what performance impact that might have on 4K frame rates. – goobering Mar 15 '16 at 15:28
  • The 400 vs 250mhz won't affect what HDMI can scan out. HDMI's clocks are independent and also derive from elsewhere in the clock tree. – Eric Anholt Mar 17 '16 at 0:16

Try Chromecast 4k, you can stream from the RPi to Chromecast.

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  • This isn't a very complete answer. Is the RPi cable of processing/transmitting that level of bandwidth? Is there a particular service needed to do so? – Jacobm001 Dec 27 '16 at 17:05

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