LG UR640S9 65"

The 65-inch 4K IPS panel delivers 400 nits brightness to maintain visibility in bright retail spaces, leveraging webOS for streamlined digital signage control. Triple HDMI ports and built-in Wi-Fi/Ethernet simplify content distribution, while Crestron compatibility allows enterprise-grade remote management. It’s best for corporate and retail environments needing a fixed 4K display for advertising or informational loops, where portability is not a concern.

Screen 65"
Resolution 3840x2160
Panel LED
Refresh 60 Hz
HDR HDR10, HLG
smart platform webOS
hdmi version 2.0
LG UR640S9 65" tv
49 Overall Score

No current retailer price

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Snapshot

The 30-Second Version

The LG UR640S9 is a solid 65-inch 4K display for digital signage, with a bright panel and useful webOS tools. But it's not a great home TV. Gaming is limited to 60Hz, HDR is basic, and the audio is weak. Only worth it if you find it at the low end of the price range.

Pros & Cons

Pros

  • Bright 400-nit panel works well in high-light rooms 73rd
  • webOS is easy to use and great for signage 70th
  • Three HDMI ports give you decent connectivity
  • IPS panel means wide viewing angles

Cons

  • No Dolby Vision, just HDR10 and HLG
  • 60Hz panel with HDMI 2.0 limits gaming
  • Audio is weak at 20W with no sub
  • Smart features feel dated compared to newer TVs

The proof

Performance

Picture quality lands in the 74th percentile, which is solid. The 400 nits of brightness helps in retail spaces, and the 1200:1 contrast ratio is about average for a direct LED panel. HDR support is limited to HDR10 and HLG, no Dolby Vision, and it sits at the 64th percentile there. Gaming is a weak spot. You get a 60Hz panel, 8ms response time, and HDMI 2.0, which puts it in the 41st percentile. Fine for casual play, but don't expect 120Hz or VRR. Audio is a basic 2.0 channel 20W setup, middle of the road at best.

Performance Percentiles

HDR 60.2
Audio 32.9
Smart 36
Gaming 41
Display 70.2
Connectivity 53
Social Proof 27.1
Affordability 45.7
Picture Quality 73.4

Specifications

Full Specifications

Display

Size 65"
Resolution 4K
Panel Type LED
Backlight Direct LED
Aspect Ratio 16:9

Picture Quality

Brightness 400 nits
Peak Brightness 400
Contrast Ratio 1200:1
Motion Tech Motion Eye Care

HDR

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

Gaming

Refresh Rate 60 Hz
Response Time 8

Smart TV

Platform webOS
Voice Assistant ThinQ AI
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 300x300

Power & Size

Power 169
Energy Star No
Weight 21.5 kg / 47.4 lbs

vs Competition

Stacked against the competition, the UR640S9 struggles. The TCL QM6K and Hisense U8 Series both offer better HDR, higher refresh rates, and more modern smart platforms for similar money. The Samsung Neo QLED QN70F blows it away on picture quality, though it costs more. The Roku Pro Series is a better budget pick for home use. The Sony BRAVIA XR is in a completely different league, but it's also way more expensive. For pure signage use, the LG holds its own, but as a home TV, it's outclassed by most rivals in this price range.

Spec LG UR640S9 65" Samsung QN990F Sony BRAVIA 9 K85XR90 Hisense U7 Series 65U75QG TCL QM8K Series 75QM8K Roku Pro Series 55R8C5
Screen Size 65 75 85 65 75 55
Resolution 3840x2160 7680x4320 3840x2160 3840x2160 3840x2160 3840x2160
Panel Type LED Mini-LED Mini-LED Mini-LED Mini-LED Mini-LED
Refresh Rate 60 120 120 165 144 120
Hdr HDR10, HLG HDR10, HDR10+, HLG HDR10, HLG, Dolby Vision Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG)
Smart Platform webOS Tizen Google TV Google TV Google TV Roku TV
Dolby Vision false false true 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 HDRAudioSmartGamingDisplayConnectivitySocial ProofAffordabilityPicture Quality
LG UR640S9 65" 60.232.9364170.25327.145.773.4
Samsung QN990F Compare 82.199.892.488.199.699.999.612.683.3
Sony BRAVIA 9 K85XR90 Compare 8697.490.678.69592.986.612.378
Hisense U7 Series 65U75QG Compare 90.195.295.195.183.796.686.651.397.5
TCL QM8K Series 75QM8K Compare 90.195.298.793.289.392.986.633.399.4
Roku Pro Series 55R8C5 Compare 74.485.783.988.178.192.993.550.136.1

Price

Value & Pricing

Pricing is all over the place. We found listings from USD 661 to USD 1,114, which is a huge spread. At the low end, it's a reasonable deal for a 65-inch 4K screen. At the high end, you're paying way too much for what you get. Amazon has the best price right now. Just make sure you're not overpaying for a TV that's really a signage display in disguise.

Read more

Overview

The LG UR640S9 is a 65-inch 4K TV that's really aimed at businesses, not living rooms. It's built for digital signage, with a bright enough panel and webOS tools for pushing content. But LG sells it as a TV too, so we ran it through our usual tests. The short version: it's a decent screen with some real limitations for home use.

Common Questions

Q: Can I use this as a regular home TV?

Yes, it works as a standard TV with webOS and three HDMI ports. But you'll miss out on features like 120Hz gaming, Dolby Vision, and better audio that similarly priced home TVs offer.

Q: Is this TV good for gaming?

Not really. It has a 60Hz panel, 8ms response time, and HDMI 2.0, which means no 4K at 120Hz or VRR. It's fine for casual gaming, but serious gamers should look at something with HDMI 2.1.

Q: Does it support Dolby Vision?

No. It only supports HDR10 and HLG. If you want Dolby Vision, you'll need to look at other models like the TCL QM6K or Hisense U8 Series.

Who Should Skip This

Skip this if you want a home theater TV. The lack of Dolby Vision, 60Hz panel, and weak audio make it a poor choice for movie nights. Gamers should also pass, since there's no HDMI 2.1 or VRR. If you need a bright, reliable signage display, this is your pick. If you want a TV for your living room, spend your money elsewhere.

Verdict

Buy this if you need a reliable 65-inch display for a business, lobby, or retail space. The webOS signage tools, Crestron support, and bright panel make sense there. For home theater or gaming, look elsewhere. You can get a much better TV for the same money.

Usage Scores

Overall (48.5)Budget (60.7)Gaming (46.1)Movies (42.3)Sports (52)Outdoor (39)Portable (33.1)Corporate (54.5)Streaming (49.8)Smart Home (46.1)
  • Overall48.5
  • Budget60.7
  • Gaming46.1
  • Movies42.3
  • Sports52
  • Outdoor39
  • Portable33.1
  • Corporate54.5
  • Streaming49.8
  • Smart Home46.1

Other Configurations4

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