LG PK640S Series PK640S 50"

Screen 50
Resolution 3840x2160
Panel LED
Refresh 60 Hz
HDR HDR10, HLG
smart platform webOS
hdmi version 2.0
LG PK640S Series PK640S 50" tv
38 Overall Score
Also available in:

Snapshot

Pros & Cons

Pros

Cons

  • Below average user sentiment (3th percentile)
  • Below average smart (30th percentile)
  • Below average social proof (33th percentile)
  • Below average audio (33th 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.

25/100Our AI sentiment readlow confidence · 7 sources · May 2026
111Q1 '25Q2 '25Q3 '25
Happy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 3 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Hdr 62.8
Audio 33.4
Smart 29.8
Gaming 35.9
Display 63.7
User Sentiment 2.7
Connectivity 51.1
Social Proof 33.2
Picture Quality 36.3

Specifications

Full Specifications

Display

Size 50"
Resolution 4K
Panel Type LED
Backlight Direct LED
Aspect Ratio 16:9

Picture Quality

Brightness 300 nits
Peak Brightness 300
Contrast Ratio 5000:1

HDR

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

Gaming

Refresh Rate 60 Hz
Response Time 9.5

Smart TV

Platform webOS

Audio

Speaker Config 2
Wattage 20
Dolby Atmos No

Connectivity

HDMI Ports 2
HDMI Version 2
USB Ports 1
Wi-Fi Wi-Fi 5
Bluetooth Yes
Ethernet Yes
Optical Audio Yes
VESA Mount 200x300

Power & Size

Power 102
Weight 8.6 kg / 19.0 lbs

vs Competition

Spec LG PK640S Series PK640S 50" Samsung Neo QLED QN900F Sony BRAVIA 9 K85XR90 Hisense U8 Series 75U8QG TCL QM7K Series 98QM7K Roku Pro Series 55R8C5
Screen Size 50 85 85 75 97.5 55
Resolution 3840x2160 7680x4320 3840x2160 3840x2160 4K 3840x2160
Panel Type LED MiniLED MiniLED QLED QLED QLED
Refresh Rate 60 120 120 165 144 120
Hdr HDR10, HLG HDR10, HDR10+, HLG HDR 10, Hybrid Log-Gamma (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 HdrAudioSmartGamingDisplayUser SentimentConnectivitySocial ProofPicture Quality
LG PK640S Series PK640S 50" 62.833.429.835.963.72.751.133.236.3
Samsung Neo QLED QN900F Compare 94.299.179.588.499.169.196.899.993.7
Sony BRAVIA 9 K85XR90 Compare 76.296.892.37982.169.193.298.379.3
Hisense U8 Series 75U8QG Compare 91.698.195.895.487.6086.394.798.6
TCL QM7K Series 98QM7K Compare 91.681.597.493.752.693.583.998.397.7
Roku Pro Series 55R8C5 Compare 76.284.785.988.478.7093.298.336.3

Usage Scores

Overall (37.8)Budget (43.1)Gaming (39.1)Movies (37)Sports (43.1)Outdoor (32.6)Portable (39.4)Corporate (36)Streaming (41.9)Smart Home (37.8)

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

Other Configurations5

Similar Products