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TCL 85Q5K 85" specifications and in-depth review

TCL 85Q5K 85"

Manufacturer: TCL

The TCL 85Q5K is a large-screen QLED television built around an 84.6″ LED-backlit LCD panel with a native 4K UHD resolution of 3840 x 2160 pixels. Running a built-in smart TV platform with Google Assistant, Amazon Alexa, Chromecast, and AirPlay integration, it covers a wide range of streaming and voice-control use cases without additional hardware. The panel also includes an ambient light sensor and anti-reflection coating, with wide viewing angles of 178° both horizontally and vertically.

On the technical side, the TCL 85Q5K supports a broad set of HDR formats including HDR10, HDR10+, Dolby Vision, and HLG, paired with 10-bit color depth and a claimed 1.07 billion displayable colors. Audio is handled by a stereo speaker system rated at 2 x 15W, with Dolby Atmos, Dolby Audio, Dolby Digital Plus, and DTS:X decoding on board; both HDMI ARC and eARC are available for external audio routing. Connectivity includes three HDMI 2.0 ports, one USB port, Bluetooth 5.2, dual-band Wi-Fi (Wi-Fi 4 and Wi-Fi 5), and a single RJ45 Ethernet port.

Pros
  • Supports all four major HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — covering a wide range of HDR content sources
  • Wide 178° horizontal and vertical viewing angles make the screen usable from most seating positions in a room
  • Comprehensive audio format support including Dolby Atmos and DTS:X, with both HDMI ARC and eARC available for external sound systems
  • Built-in Chromecast and AirPlay allow wireless casting from a broad range of devices without additional hardware
  • Bluetooth 5.2 alongside dual-band Wi-Fi 5 provides reliable wireless connectivity for peripherals and network streaming
  • USB recording support adds practical flexibility for capturing broadcast content directly to an external drive
Cons
  • Refresh rate is limited to 60Hz, which may result in less smooth motion during fast-paced content
  • Only one USB port is available, restricting simultaneous use of multiple USB devices
  • No external memory slot limits local storage expansion options
  • The remote control is not rechargeable, requiring ongoing battery replacement
  • Siri and Apple HomeKit are not supported, limiting integration for users within the Apple ecosystem
  • No built-in subwoofer and a modest 2 x 15W speaker output may require an external audio solution for larger room environments
Who is this for?

The TCL 85Q5K is well suited to home theater setups where a large screen and broad HDR compatibility are priorities, as its 84.6″ panel covers all four major HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — ensuring consistent performance across a wide variety of streaming and physical media sources. Households that rely on a mix of ecosystems will appreciate the combination of Chromecast, AirPlay, Google Assistant, and Alexa support, which allows flexible casting and voice control without being locked into a single platform. The 178° viewing angles and ambient light sensor also make it a practical choice for living rooms with multiple seating positions or variable lighting conditions.

Who is this NOT for?

Users who prioritize smooth motion in fast-paced content — such as competitive gaming or high-frame-rate sports — may find the 60Hz refresh rate a limiting factor, as it does not support the higher frame rates that some modern sources and gaming platforms can deliver. The single USB port and absence of an external memory slot make this TV less convenient for users who rely heavily on local media playback from multiple devices or expanded storage. Additionally, those deeply embedded in the Apple ecosystem will encounter friction, as the TV lacks Siri and Apple HomeKit compatibility, restricting automation and smart home integration on that platform.

Display:

display resolution 4K (UHD)
Display type QLED, LED-backlit, LCD
screen size 84.6"
resolution 3840 x 2160 px
pixel density 52 ppi
display colors 1070 million
bit depth 10-bit
refresh rate 60Hz
supports HDR10 ✓
supports HDR10+ ✓
supports Dolby Vision ✓
supports HLG ✓
has anti-reflection coating ✓
has an ambient light sensor ✓
maximum horizontal viewing angle 178º
maximum vertical viewing angle 178º

The TCL 85Q5K features an 84.6″ QLED, LED-backlit LCD panel with a 4K UHD resolution of 3840 x 2160 pixels and a pixel density of 52 ppi, rendering content across a palette of 1.07 billion colors at 10-bit depth. The display runs at a 60Hz refresh rate and covers a full range of HDR formats — HDR10, HDR10+, Dolby Vision, and HLG — offering broad compatibility with HDR-graded content. Both horizontal and vertical viewing angles reach 178°, and the panel includes an ambient light sensor along with an anti-reflection coating to help maintain image clarity in varying lighting conditions.

Connectivity:

Has Bluetooth ✓
HDMI version HDMI 2.0
HDMI ports 3
supports Wi-Fi ✓
Wi-Fi version Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version 5.2
USB ports 1
RJ45 ports 1
supports Miracast ✓
has a socket for a 3.5 mm audio jack ✓
has an external memory slot ✕
has a VGA connector ✕
has a DVI connector ✕

The TCL 85Q5K offers a practical set of wired and wireless connectivity options, including three HDMI 2.0 ports, one USB port, and a single RJ45 Ethernet port for a direct network connection. Wireless connectivity is handled by dual-band Wi-Fi supporting both Wi-Fi 4 (802.11n) and Wi-Fi 5 (802.11ac), alongside Bluetooth 5.2 and Miracast for screen mirroring. A 3.5mm headset jack is present for direct audio output, while there is no external memory slot, VGA connector, or DVI connector on this model.

Audio:

supports Dolby Digital ✓
audio output power 2 x 15W
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 ✕
has DTS:X ✓
HDMI ARC / eARC HDMI ARC, HDMI eARC

The TCL 85Q5K houses a stereo speaker system rated at 2 x 15W with no built-in subwoofer, and supports a wide range of audio formats including Dolby Digital, Dolby Digital Plus, Dolby Audio, Dolby Atmos, and DTS:X. External audio routing is available through both HDMI ARC and HDMI eARC, though the TV does not include a Digital Out connection. SRS TheaterSound HD and Dolby Virtual are not supported on this model.

Design:

width 1889.8 mm
weight 26499 g
thickness 83.8 mm
height 1087.1 mm
volume 172158.852404 cm³
Supports VESA mount ✓
maximum operating temperature 35 °C
lowest potential operating temperature 5 °C

The TCL 85Q5K measures 1889.8 mm wide, 1087.1 mm tall, and 83.8 mm thick, with a total volume of approximately 172,158 cm³ and a weight of 26,499 g. The TV supports VESA mounting for wall installation, and its specified operating temperature range runs from 5 °C at the low end to a maximum of 35 °C.

Features:

release date April 2025
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 ✓
warranty period 1 years
has voice commands ✓

The TCL 85Q5K runs a built-in smart TV platform with Chromecast and AirPlay support for wireless casting, and is compatible with both Google Assistant and Amazon Alexa for voice control; Siri and Apple HomeKit are not supported. The remote control is not rechargeable, though the TV does support smartphone remote functionality as well as on-device voice commands. Additional everyday features include a built-in web browser, sleep timer, child lock, and USB recording capability, while standby power consumption is rated at 0.5W. The TV comes with a 1-year warranty.

Final Verdict

The TCL 85Q5K presents itself as a capable large-screen television for living room setups where HDR versatility and smart platform breadth are central requirements. Its full HDR format coverage across HDR10, HDR10+, Dolby Vision, and HLG, combined with wide viewing angles and support for both Chromecast and AirPlay, give it a well-rounded feature set for households that stream across multiple ecosystems. Where it falls short — notably the 60Hz refresh rate and limited USB connectivity — reflects trade-offs that will matter more to some users than others. For those seeking a large-format display with comprehensive HDR support and flexible smart TV integration rather than high-frame-rate or gaming-oriented performance, the TCL 85Q5K is a solid and coherent option.