On sale 30%

TCL Q3K Series 40Q3K 39.5"

★★★★★ 4.5 (1,131)

Quantum Dot technology delivers richer color than standard LEDs in a compact 40-inch FHD panel, framed by a sleek metal bezel-less design. Direct LED backlighting and integrated Google TV with Chromecast provide consistent brightness and seamless streaming access at an entry-level size. This set is best for small-space dwellers or kitchen countertop users who prioritize smart features and color vibrancy over high-resolution gaming.

Screen 40"
Resolution 2880x1800
Panel QLED
Refresh 60 Hz
HDR HDR10
smart platform Google TV
hdmi version 2.0
TCL Q3K Series 40Q3K 39.5" tv
60 Overall Score
Also available in:

Snapshot

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
87/100Our AI sentiment read▼5medium confidence · 15 sources · Jun 2026
1★2★3★4★5★Q1 '26: 4.8★ · 5 reviews (approx. date)Q2 '26: 5.0★ · 2 reviews (approx. date)52Q1 '26Q2 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviewsEstimated date

Based on 7 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

HDR 53.4
Audio 58.1
Smart 91
Gaming 18.5
Display 61.2
User Sentiment 73.4
Connectivity 46.7
Social Proof 82.7
Picture Quality 36.8

Specifications

Full Specifications

Display

Size 40"
Resolution FHD
Panel Type QLED
Backlight Direct LED
Aspect Ratio 16:9
Curved No

Picture Quality

Motion Tech Motion Rate 120
Processor HDR Compatible

HDR

HDR Formats HDR10
Dolby Vision No
HDR10+ No
HLG No

Gaming

Refresh Rate 60 Hz
ALLM No
Game Mode No

Smart TV

Platform Google TV
Voice Assistant Google Assistant
Screen Mirroring Chromecast
Works With Google Home

Audio

Speaker Config 2
Wattage 18
Dolby Atmos No
Surround Sound Dolby Digital Plus
eARC Yes

Connectivity

HDMI Ports 2
HDMI Version 2
USB Ports 1
Wi-Fi Wi-Fi 4
Bluetooth 4.1
Ethernet No
Optical Audio Yes
VESA Mount 100x100

Power & Size

Power 80
Energy Star No
Annual Energy 60
Weight 4.6 kg / 10.1 lbs

vs Competition

Spec TCL Q3K Series 40Q3K 39.5" Hisense QD7 Series 75QD7QF LG QNED evo AI 75QNED85AUA Roku Plus Series 55R6C7 Sony BRAVIA 2 II K55S20M2 Samsung Q8F QN65Q8FAAFXZA
Screen Size 40 75 75 55 55 65
Resolution 2880x1800 3840x2160 3840x2160 3840x2160 3840x2160 3840x2160
Panel Type QLED QLED Mini-LED QLED LED QLED
Refresh Rate 60 144 120 60 60 120
Hdr HDR10 Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) HDR10, HLG Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) HDR10, HLG HDR 10+
Smart Platform Google TV Fire TV webOS Roku TV Google TV Tizen
Dolby Vision false true false true false false
Dolby Atmos false true true true false false
Hdmi Version 2.0 2.1 2.1 2.1 2.1 2.1
Compare Compare Compare Compare Compare
Product HDRAudioSmartGamingDisplayUser SentimentConnectivitySocial ProofPicture Quality
TCL Q3K Series 40Q3K 39.5" 53.458.19118.561.273.446.782.736.8
Hisense QD7 Series 75QD7QF Compare 83.783.788.291.186.591.389.777.787.7
LG QNED evo AI 75QNED85AUA Compare 64.7779185.589.628.896.882.779.7
Roku Plus Series 55R6C7 Compare 77.683.799.859.177.891.389.794.536.8
Sony BRAVIA 2 II K55S20M2 Compare 64.765.683.955.368.297.996.877.736.8
Samsung Q8F QN65Q8FAAFXZA Compare 37.550.99485.582.765.884.982.771.9

Price

Value & Pricing

From $115 7 offers across 2 retailers
Best Buy 6 offers From $115
Amazon 1 offer From $180

Price History

New Refurbished
$100 $120 $140 $160 $180 May 4May 29Jun 29Jul 26Aug 22Oct 4 $160

Usage Scores

Overall (60.2)Budget (65.7)Gaming (33.3)Movies (41.2)Sports (46)Outdoor (36.4)Portable (64.3)Corporate (39.1)Streaming (62.6)Smart Home (68.2)

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