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
41 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

  • Strong gaming (70th percentile) 70th

Cons

  • Below average user sentiment (3rd percentile)
  • Below average social proof (27th percentile)

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
Audio 38.2
Smart 42.2
Gaming 69.9
Display 62.8
User Sentiment 3.4
Connectivity 58.2
Social Proof 26.6
Picture Quality 36.5

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" Sony BRAVIA 9 K85XR90 Samsung Neo QLED QN70F TCL QM6K Series 55QM6K Hisense U8 Series 65U8QG Roku Plus Series 65R6C7
Screen Size 43 85 75 55 65 65
Resolution 3840x2160 3840x2160 3840x2160 3840x2160 3840x2160 3840x2160
Panel Type LED Mini-LED Mini-LED QLED Mini-LED Mini-LED
Refresh Rate 120 120 120 144 165 60
Hdr HDR10, HLG HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision HDR10+ 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 Tizen Google TV Google TV Roku TV
Dolby Vision false true false true 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" 6438.242.269.962.83.458.226.636.5
Sony BRAVIA 9 K85XR90 Compare 77.297.191.880.294.865.293.182.379.2
Samsung Neo QLED QN70F Compare 71.379.293.488.889.597.889.494.679.2
TCL QM6K Series 55QM6K Compare 98.988.697.593.777.478.989.488.398.8
Hisense U8 Series 65U8QG Compare 91.997.395.896.584.778.986.677.499.5
Roku Plus Series 65R6C7 Compare 77.283.199.85984.778.989.494.636.5

Price

Value & Pricing

From CA$951 1 offer across 1 retailer
B&H Photo 1 offer From CA$951

We started tracking prices for this product on May 15, 2026. The chart appears once we have more data.

Usage Scores

Overall (41.4)Budget (44.6)Gaming (53)Movies (34.4)Sports (46.8)Outdoor (31.8)Portable (44.8)Corporate (40.6)Streaming (45)Smart Home (43.4)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Other Configurations3

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