RATED

Great

7.8/10

54.6″ TCL 55Q77K – Full Specifications

A 120 Hz native panel gives the TCL 55Q77K a gaming edge among 54.6-inch 4K Direct LED TVs.

54.6″ · 16:9 · MODEL YEAR 2025

tcl●TV

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Display

54.6", 3840 × 2160 (4K UHD), VA, Direct LED

54.6

Refresh rate

48Hz – 120Hz

48Hz

Dimensions

1224 × 709 × 69 mm

1224

Weight

—

Processor

AIPQ with AI

Overview Specifications FAQ Reviews

Pros & Cons

Pros

54.6-inch VA panel with Direct LED
120 Hz native with a published 240 Hz accelerator mode with and ALLM
Dolby Vision, HDR10+, HDR10, HLG format support
2 x HDMI 2.1 + 2 x HDMI 2.0 plus No dedicated output listed
Against the 65Q77K, the practical differences are screen size, stand footprint, weight and VESA pattern rather than the core family platform.

Cons

The DCI-P3 field incorrectly contains “1.07 Billion Colors”, so no valid gamut percentage is available.
No DisplayPort video input is listed
The supplied stand has no published positional adjustment
Response time is not published

Score & Ratings

7.8/10 Great

Design

Display

Color

Performance

Connectivity

Television Identity & Market 5

Specification	Value
Brand	TCL
Series	Q77K
Model	55Q77K
Model Year	2025
Available Colors	Black

Screen Geometry & Format 4

Specification	Value
Screen Size	54.6-inch
Marketed Screen Size	54.6-inch
Aspect Ratio	16:9
Screen-to-Body Ratio	94.84%

54.6" Display Size (138.8 cm) 16:9

Panel Architecture & Light Control 3

Specification	Value
Panel Type	VA
Panel Bit Depth	10-bit (8-bit + FRC)
Display Colors	1.07 Billion Colors

Surface Treatment & Viewing Layer 1

Specification	Value
Screen Coating	Glossy

Resolution, Scaling & Signal 3

Specification	Value
Native Resolution	3840 × 2160 (4K UHD)
Pixel Density	80 PPI
Pixel Pitch	0.315 mm

◑ Luminance, Blacks & Contrast 3

Specification	Value
Static Contrast	High (VA Panel)
Static Contrast Ratio	High (VA Panel)
Viewing Angles	178° / 178°

Color Reproduction & Calibration 1

Specification	Value
DCI-P3 Coverage	1.07 Billion Colors

RECOMMENDED VIEWING DISTANCE 55"

Viewing Distance = 1.5–2.5 × Screen Size

Your seating distance 9.1 ft

25° field of view — Comfortable, relaxed viewing.

HDR Formats & Tone Mapping 1

Specification	Value
HDR Support	Dolby VisionHDR10+HDR10HLG

Motion Processing & Response 3

Specification	Value
Native Refresh Rate	120Hz
Maximum Refresh Rate	240Hz
Motion Processing	240 MR

Console, VRR & Game Tools 4

Specification	Value
Variable Refresh Rate	Yes
Auto Low Latency Mode	Yes
AMD FreeSync	Yes
Game Mode	Yes

Picture Intelligence & AI 1

Specification	Value
AI Upscaling	Yes

Broadcast Tuners & Reception 5

Specification	Value
Built-In TV Tuner	Yes
Tuner Configuration	ATSCAnalog (NTSC / PAL / SECAM)Clear QAM
Analog Tuner	NTSC / PAL / SECAM
North American Digital Tuner	ATSC
Clear QAM	clear qam

Compute, Memory & Storage 1

Specification	Value
Processor Brand Name	AIPQ with AI

Smart Platform & System 2

Specification	Value
Smart TV	Yes
Operating System	Google TV

Streaming & Entertainment 4

Specification	Value
Netflix	Yes
Prime Video	Yes
Disney+	Yes
Apple TV+	Yes

Voice Assistants & Search 1

Specification	Value
Voice Control	Yes

HDMI Signal Interface 5

Specification	Value
Total HDMI Ports	4
HDMI 2.1 Ports	2× HDMI 2.1
HDMI 2.0 Ports	2× HDMI 2.0
Auto Low Latency Mode	Yes
Variable Refresh Rate	Yes

Ports & Connections

USB, Audio & Legacy I/O 3

Specification	Value
Total USB Ports	2
USB-A 2.0 Ports	1× USB 2.0
USB-A 3.0 Ports	1× USB 3.0

Wireless, LAN & Casting 4

Specification	Value
Wi-Fi	Yes
Bluetooth	Yes
Wi-Fi Direct	Yes
DLNA	Yes

Speaker Layout & Output 5

Specification	Value
Built-In Speakers	Yes
Speaker Configuration	2.0 CH
Speaker Channels	2.0 CH
Built-In Subwoofer	Yes
Subwoofer Configuration	20W

Sound Formats & Enhancement 4

Specification	Value
Dolby Atmos	Yes
Dolby Digital	Yes
Dolby Digital Plus	Yes
DTS Virtual:X	DTS Virtual:X

Camera & Video Calling 1

Specification	Value
Built-In Camera	No

Panel-Only Size & Mass 3

Specification	Value
Width Without Stand	1224 mm
Height Without Stand	709 mm
Depth Without Stand	69 mm

Assembled TV Size & Mass 3

Specification	Value
Width With Stand	1224 mm
Height With Stand	769 mm
Depth With Stand	292 mm

Exterior Styling & Stand Footprint 1

Specification	Value
Chassis Color	Black

Wall Mounting & Installation 3

Specification	Value
VESA Mount	300 × 300 mm
VESA Interface	300 × 300 mm
VESA Size	300 × 300 mm

Electrical Load & Efficiency 5

Specification	Value
Power Input	100–240V
AC Frequency	50–60Hz
Typical Power Consumption	225 kWh
Average Power Consumption	225 kWh
Standby Consumption	0.5W

Environmental Operating Limits 4

Specification	Value
Operating Temperature	5 °C - 35 °C (degrees Celsius) / 41 °F - 95 °F (degrees Fahrenheit)
Operating Humidity	20 % - 80 % (percent)
Storage Temperature	-15 °C - 45 °C (degrees Celsius) / 5 °F - 113 °F (degrees Fahrenheit)
Storage Humidity	10 % - 90 % (percent)

Gaming Validation & Compatibility 1

Specification	Value
ALLM	Yes

Regulatory & Industry Approvals 1

Specification	Value
CE	Yes

In-the-Box Components 1

Specification	Value
Screen Size	54.6-inch

⚡

Estimated Running Cost

Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.

Country & rate Hours used per day hrs

Daily—

Monthly—

Annually—

Uses about 18% less power than the average we track in this category.

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DISPLAYINPUT · INDEPENDENT · SPEC-BASED · NO SPONSORED PLACEMENT SHEET № 55Q77K