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Marques Brownlee - The Only REAL "Pro" Smartphone?!

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Author: Marques Brownlee
Categories: Technology Productivity Creativity & Design
Tags: technology, productivity, creativity
Views: 2 · Last viewed: 2026-10-16 08:09 UTC

Short Summary

Main recommendation: The Sony Xperia PRO is only worth buying for a very narrow group, such as professional photographers and videographers who need a phone-based 4K HDMI viewfinder and live-streaming workflow for a mirrorless camera, not for typical smartphone buyers. The reviewer calls it the only phone that truly deserves the "Pro" name, but says its $2,500 price and niche features make it a poor fit for most people.

Key Points

  • The phone is essentially a year-old Xperia 1 Mark II with the same Snapdragon 865 chip, 4K display, and triple rear cameras, but modified for camera-related work.
  • It adds a micro HDMI port alongside USB Type-C, a black polycarbonate body with no camera bump, and four beamforming 5G antennas.
  • Its main special function is acting as a 4K HDMI viewfinder for a mirrorless camera, with custom software and an extra side button to trigger it.
  • Its 5G connection supports live streaming at full-frame quality to platforms like Twitch and YouTube via StreamYard and Streamlabs, and FTP transfer of high-resolution photos.
  • The reviewer argues that at $2,500 the price is high for a phone, but justifiable compared to dedicated 4K OLED viewfinders, which are rare, usually lack long battery life (often around half an hour), and don't have built-in 5G.
  • The reviewer jokingly estimates the target audience at about 30 people, such as NFL sideline photographers/videographers, which fits his earlier thesis that Sony builds technically impressive phones that few people buy.

Details Worth Noting

  • Concrete instructions: Connect the phone to a Sony mirrorless camera (the reviewer used an A7S III) using the micro HDMI port; use the custom app and the extra custom side button to trigger the 4K HDMI feed on the phone; to power the camera, connect USB-C from the phone to the camera so the phone's 4,000 mAh battery acts as a power bank; for live blogging, use FTP transfer so high-resolution photos go straight to the phone and then on to a newsroom or online.
  • Mounting requires a cage and a hot shoe mount attached to the phone; the reviewer mounted his hot shoe microphone on the side, which shifted weight distribution somewhat. Setup took a few minutes and required multiple screws and mounts.
  • When the HDMI feed is connected, the camera's own touchscreen is disabled, so you lose touch-to-focus and touch menu selection; buttons still control menus.
  • The phone's HDMI feed offers zoom-in focus assist, but the reviewer says it is far weaker than focus peaking or false color found on professional monitors.
  • The HDMI feed does not fill the phone's 21:9 display, leaving unused space unless shooting 21:9 video.
  • The reviewer's comparison point: a SmallHD on-camera monitor costs about $3,000 but is not 4K or OLED, while a 4K OLED viewfinder with long battery life, camera charging, and 5G is essentially unavailable elsewhere.
  • Wireless charging is removed, which the reviewer says is not a major concern.

Bottom Line

The Sony Xperia PRO is the most professional-focused phone the reviewer has seen, but its niche workflow and high price limit it to a very small group of creators and broadcast professionals, not everyday phone buyers.