LG UR640S9 43"

★★★★☆ 3.5 (9)

The 43-inch 4K UHD Direct LED display with 300-nit brightness and the webOS smart platform integrates Wi-Fi and Ethernet for autonomous signage operation. Three HDMI 2.0 ports and TAA compliance provide connection versatility and eligibility for government contracts. This screen suits retail stores and meeting spaces needing a manageable 4K signage display with Crestron control.

Screen 43"
Resolution 3840x2160
Panel LED
Refresh 120 Hz
HDR HDR10, HLG
smart platform webOS
hdmi version 2.0
LG UR640S9 43" tv
42 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.

45/100Our AI sentiment readlow confidence · 5 sources · May 2026

The proof

Performance

Performance Percentiles

HDR 64.7
Audio 38.5
Smart 43
Gaming 70
Display 63.6
User Sentiment 3.3
Connectivity 59.2
Social Proof 25
Picture Quality 36.8

Specifications

Full Specifications

Display

Size 43"
Resolution 4K
Panel Type LED
Backlight Direct LED
Aspect Ratio 16:9
Curved No

Picture Quality

Brightness 300 nits
Contrast Ratio 1200:1

HDR

HDR Formats HDR10, HLG
Dolby Vision No
HDR10+ No
HLG Yes

Gaming

Refresh Rate 120 Hz
Response Time 8

Smart TV

Platform webOS
Screen Mirroring Miracast

Audio

Speaker Config 2
Wattage 20
Dolby Atmos No
eARC No

Connectivity

HDMI Ports 3
HDMI Version 2
USB Ports 1
Wi-Fi Wi-Fi 5
Ethernet Yes
Optical Audio Yes
VESA Mount 200x200

Power & Size

Power 98
Weight 8.8 kg / 19.4 lbs

vs Competition

Spec LG UR640S9 43" TCL QM7K Series 98QM7K Sony BRAVIA 8 K65XR80 Samsung The Frame Pro QN85LS03FWFXZA Hisense U8 Series 65U8QG Roku Pro Series 55R8C5
Screen Size 43 98 65 85 65 55
Resolution 3840x2160 3840x2160 3840x2160 3840x2160 3840x2160 3840x2160
Panel Type LED QLED OLED QD-Mini-LED Mini-LED QLED
Refresh Rate 120 144 120 120 165 120
Hdr HDR10, HLG Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision HDR10, HDR10+, HLG Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG)
Smart Platform webOS Google TV Google TV Tizen Google TV Roku TV
Dolby Vision false true true false true true
Dolby Atmos false true true true true true
Hdmi Version 2.0 2.1 2.1 2.1 2.1 2.1
Compare Compare Compare Compare Compare
Product HDRAudioSmartGamingDisplayUser SentimentConnectivitySocial ProofPicture Quality
LG UR640S9 43" 64.738.5437063.63.359.22536.8
TCL QM7K Series 98QM7K Compare 91.783.797.793.491.891.389.788.697.8
Sony BRAVIA 8 K65XR80 Compare 77.691.692.580.391.879.584.988.671.9
Samsung The Frame Pro QN85LS03FWFXZA Compare 85.691.683.980.39779.599.482.779.7
Hisense U8 Series 65U8QG Compare 91.797.596.296.484.879.58777.799.5
Roku Pro Series 55R8C5 Compare 77.686.686.289.177.891.393.288.636.8

Price

Value & Pricing

From $582 1 offer across 1 retailer
Amazon 1 offer From $582

Price History

$300 $400 $500 $600 $700 $800 May 3May 25Jul 13Sep 21 $582

Usage Scores

Overall (41.9)Budget (44.9)Gaming (55.7)Movies (34.7)Sports (47.2)Outdoor (32)Portable (48.6)Corporate (41.1)Streaming (45.4)Smart Home (44.1)

Other Configurations3

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