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Panasonic TV-77Z90BEB 77" specifications and in-depth review

Panasonic TV-77Z90BEB 77"

Manufacturer: Panasonic

The Panasonic TV-77Z90BEB is a 77″ large-screen television built around an OLED/AMOLED panel that delivers a native 3840 x 2160 pixel resolution at a pixel density of 57 ppi. Panasonic has equipped this set with a 144Hz refresh rate alongside AMD FreeSync and AMD FreeSync Premium adaptive sync support, making it a capable option for both broadcast viewing and fast-moving content. The display covers 1,070 million colors at 10-bit depth, and an anti-reflection coating combined with an ambient light sensor helps maintain image consistency across different lighting environments.

On the connectivity side, the TV provides four HDMI 2.1 ports — one of which supports eARC — along with three USB ports, a single RJ45 Ethernet jack, built-in Wi-Fi, Bluetooth, and Miracast. The audio system includes stereo speakers, a subwoofer, and compatibility with Dolby Atmos, Dolby Digital Plus, and Dolby Audio, with Digital Out available for external systems. Smart platform features include Chromecast built-in, AirPlay, Alexa compatibility, USB recording, voice commands, and a built-in browser. The unit measures 1,723 mm wide by 1,048 mm tall with a depth of 68 mm and weighs 46,500 g, with VESA mount support and an EU energy rating of G.

Pros
  • Supports all four major HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — covering a wide range of content sources
  • 144Hz refresh rate combined with AMD FreeSync and AMD FreeSync Premium allows smooth, tear-free motion handling
  • Four HDMI 2.1 ports provide ample connections for high-bandwidth devices simultaneously
  • Comprehensive audio format support including Dolby Atmos, Dolby Digital Plus, and a built-in subwoofer for fuller sound without an external speaker
  • Wireless streaming flexibility with both Chromecast built-in and AirPlay available natively
  • Wide 178° horizontal and vertical viewing angles make the image consistent from off-centre positions
Cons
  • EU energy label rated G, indicating relatively high power consumption during normal use
  • No external memory slot limits local storage options for recordings or media playback
  • Remote control is not rechargeable, requiring regular battery replacement
  • Not compatible with Google Assistant or Siri/Apple HomeKit, limiting smart home integration options for users of those ecosystems
Who is this for?

This TV is well suited to home cinema setups where large-screen image quality is a priority, given its 77″ OLED panel with full HDR format coverage including Dolby Vision and HDR10+. The 144Hz refresh rate and AMD FreeSync Premium support also make it a strong fit for users who connect gaming consoles or PCs and need smooth, responsive visuals. Those who are invested in multi-device ecosystems will benefit from the four HDMI 2.1 ports and the combination of Chromecast built-in, AirPlay, and Alexa compatibility, which allows straightforward integration with a range of streaming and smart home setups.

Who is this NOT for?

Users looking for a space-efficient screen will find the 77″ size and 46,500 g weight impractical for smaller rooms or tight wall-mounting situations. Those who rely on Google Assistant or Apple HomeKit for broader smart home control will encounter limitations, as neither is supported. The set also carries an EU energy rating of G, meaning it draws comparatively high power during use, which makes it a poor fit for anyone prioritising energy efficiency. Additionally, the absence of an external memory slot restricts USB recording flexibility for users who prefer expandable local storage.

Display:

display resolution 4K (UHD)
Display type OLED/AMOLED
screen size 77"
resolution 3840 x 2160 px
pixel density 57 ppi
display colors 1070 million
bit depth 10-bit
refresh rate 144Hz
supports HDR10 ✓
supports HDR10+ ✓
supports Dolby Vision ✓
supports HLG ✓
Adaptive synchronization AMD FreeSync, AMD FreeSync Premium
has anti-reflection coating ✓
has an ambient light sensor ✓
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º

The display on this TV is a 77″ OLED/AMOLED panel with a 4K UHD resolution of 3840 x 2160 pixels and a pixel density of 57 ppi, rendering up to 1,070 million colors at 10-bit depth. It runs at a 144Hz refresh rate and supports AMD FreeSync and AMD FreeSync Premium for adaptive synchronization. HDR coverage is comprehensive, encompassing HDR10, HDR10+, Dolby Vision, and HLG, while both the horizontal and vertical viewing angles reach 178°. An anti-reflection coating and a built-in ambient light sensor further help maintain consistent image quality across varying lighting conditions.

Connectivity:

Has Bluetooth ✓
HDMI version HDMI 2.1
HDMI ports 4
supports Wi-Fi ✓
USB ports 3
RJ45 ports 1
supports Miracast ✓
has a socket for a 3.5 mm audio jack ✓
has an external memory slot ✕
has a VGA connector ✕
DVB standards DVB-T, DVB-T2, DVB-C, DVB-S, DVB-S2
has a DVI connector ✕

The TV offers a well-rounded set of wired and wireless connectivity options, led by four HDMI 2.1 ports alongside three USB ports and a single RJ45 Ethernet jack. Wireless connections are handled through built-in Wi-Fi, Bluetooth, and Miracast support. A 3.5 mm headphone jack is also present, while there is no external memory slot, VGA connector, or DVI connector. For broadcast reception, the set is compatible with DVB-T, DVB-T2, DVB-C, DVB-S, and DVB-S2 tuner standards.

Audio:

supports Dolby Digital ✓
supports Digital Out ✓
supports Dolby Digital Plus ✓
has SRS TheaterSound HD ✕
has stereo speakers ✓
has Dolby Atmos ✓
has Dolby Audio ✓
supports Dolby Virtual ✕
has a subwoofer ✓
HDMI ARC / eARC HDMI ARC, HDMI eARC

The audio setup includes stereo speakers and a subwoofer, with format support spanning Dolby Atmos, Dolby Audio, Dolby Digital, and Dolby Digital Plus, though Dolby Virtual and SRS TheaterSound HD are not supported. Digital Out is available for routing audio to external equipment, and the TV provides both HDMI ARC and HDMI eARC for connecting compatible sound systems.

Design:

width 1723 mm
weight 46500 g
thickness 68 mm
height 1048 mm
volume 122787.872 cm³
Supports VESA mount ✓
maximum operating temperature 35 °C
lowest potential operating temperature 0 °C

The TV measures 1,723 mm wide, 1,048 mm tall, and 68 mm thick, with a total volume of approximately 122,787.872 cm³ and a weight of 46,500 g. It supports VESA mounting for wall installation. Operating temperatures are rated between 0 °C and 35 °C.

Features:

has Chromecast built-in ✓
has AirPlay ✓
has built-in smart TV ✓
compatible with Google Assistant ✕
works with Alexa ✓
works with Siri/Apple HomeKit ✕
supports a remote smartphone ✓
has a rechargeable remote control ✕
supports USB recording ✓
standby power consumption 0.5W
has a search browser ✓
has a sleep timer ✓
has a child lock ✓
has voice commands ✓
EU energy label G

The TV comes with a built-in smart platform and includes Chromecast built-in and AirPlay for wireless streaming, while Alexa compatibility and voice commands are supported — though Google Assistant and Siri/Apple HomeKit are not. A smartphone can be used as a remote control, and USB recording is available for capturing broadcast content directly. Additional convenience features include a sleep timer, child lock, and a built-in web browser. The remote control is not rechargeable. Standby power consumption is rated at 0.5W, and the TV carries an EU energy label of G.

Final Verdict

The Panasonic TV-77Z90BEB is a feature-rich 77″ OLED television that covers most of what a demanding home viewing or gaming setup would require, from comprehensive HDR format support to a full suite of wired and wireless connectivity options. Its 144Hz refresh rate paired with AMD FreeSync Premium and four HDMI 2.1 ports positions it well for users who want a single screen capable of handling both high-quality broadcast content and fast-paced interactive use. Some practical considerations — including its considerable size and weight, the absence of Google Assistant and Apple HomeKit support, and a G-rated energy label — mean it is best suited to dedicated living room or home cinema environments rather than flexible or compact installations. On balance, the Panasonic TV-77Z90BEB represents a technically well-specified large-screen OLED that rewards users who can make full use of its display and connectivity capabilities.

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