Choosing between the LG 43" UR640S UHD Signage TV and the Samsung QMC Series 43"? Here's how they differ on platforms, screen and price, and which one fits your room.

Short answer: pick the LG 43" UR640S UHD Signage TV if you want the one that costs $173 less. Pick the Samsung QMC Series 43" if you want a 43" 4K signage, 500 nits, 24/7, Tizen.
Both are conference room displays; the difference is screen and price.
Side by side
| LG 43" UR640S UHD Signage TV | Samsung QMC Series 43" | |
|---|---|---|
| Price | $594 | $767 |
| Screen size | 43" | 43" class |
| Resolution | 3840 x 2160 (UHD) | 3840 x 2160 (4K UHD) |
| Brightness | 300 nits | 500 nits |
| Panel | IPS (per LG feature description), contrast 1200:1 | VA, contrast 4,000:1 |
| Operating hours | 16/7 | 24/7 |
| Speakers | 2x 10W | — |
| Dimensions | — | 969.5 x 557.8 x 28.5 mm |
| Weight | 19.4 lbs / 8.8 kg | — |
| Warranty | 3-year limited | — |
| Connections | Inputs: 2x HDMI (side), HDMI ARC, 1x USB-A, RJ45, RS-232C, Wi-Fi | Inputs: 3x HDMI 2.0, 1x DisplayPort 1.2, 2x USB, RJ45, RS232C in/out, Wi-Fi, Bluetooth |
Specs are LG and Samsung's published figures. Prices can change.
Which should you buy?
- Choose the LG 43" UR640S UHD Signage TV if you want the one that costs $173 less. See the LG 43" UR640S UHD Signage TV
- Choose the Samsung QMC Series 43" if you want a 43" 4K signage, 500 nits, 24/7, Tizen. See the Samsung QMC Series 43"
Also compared
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- LG 43" UL3Q-E UHD Signage vs Samsung QMC Series 43"
- LG 50" UL3Q-E UHD Signage vs Samsung QMC Series 43"
Still deciding? Read the LG 43" UR640S UHD Signage TV guide and the Samsung QMC Series 43" guide, see 43" UR640S UHD Signage TV alternatives and QMC Series 43" alternatives, compare them interactively, or send us your room details for a recommendation.
Related guides
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- LG 43" UR640S UHD Signage TV vs Samsung QBC Series 50"
- LG 43" UL3Q-E UHD Signage vs Samsung QMC Series 43"
- LG 50" UL3Q-E UHD Signage vs Samsung QMC Series 43"
- LG 50" UR640S UHD Signage TV vs Samsung QBC Series 43"
- LG 50" UR640S UHD Signage TV vs Samsung QHC Series 43"
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