TCL QM7K vs. LG C4 OLED vs. Samsung S90D OLED: Which Is Better in 2025?

Alex

 TCL QM7K vs LG C4 vs Samsung S90D

TCL QM7K vs. LG C4 OLED vs. Samsung S90D OLED

Upgrading your home entertainment setup can be overwhelming. In this guide, we compare three top-tier TVs: the TCL QM7KLG C4 OLED, and Samsung S90D OLED. We'll cover their technologies, performance, features, and value so you can make an informed choice.

The Contenders: Quick Overview

  • TCL QM7K (QD-Mini LED): A high-performance, value-focused Mini-LED TV with Quantum Dot enhancement. It offers exceptional brightness and color, competing with OLED in contrast at a more affordable price.
  • LG C4 OLED: A premium OLED TV with self-lit pixels for perfect blacks and stunning cinematic quality. Ideal for dark-room movie lovers and gamers alike.
  • Samsung S90D OLED (QD-OLED): Combines OLED's perfect blacks with Quantum Dot technology for enhanced brightness and vivid color. It’s optimized for both gaming and bright-room environments.

Feature Comparison Table

FeatureTCL QM7KLG C4 OLEDSamsung S90D OLED
Panel TechnologyQD-Mini LED, Full Array DimmingOLED evo (Self-lit)QD-OLED (Self-lit + QD)
HDR BrightnessExcellent (Best for bright rooms)GoodExcellent (Better than C4)
Black LevelsExcellentPerfectPerfect
Color VolumeExcellentGoodSuperior
Refresh Rate144Hz144Hz144Hz
Gaming FeaturesVRR, FreeSync Premium ProVRR, G-Sync, FreeSyncVRR, FreeSync
Smart PlatformGoogle TVWebOS 24Tizen OS
AudioBang & Olufsen (60W)AI Sound Pro, Dolby AtmosObject Tracking Sound, Dolby Atmos
PriceMost AffordableMid-to-High TierMid-to-High Tier

Picture Quality: OLED vs. Mini-LED

OLED (LG C4 & Samsung S90D): Offer true blacks and infinite contrast. The S90D has brighter colors due to its Quantum Dot layer.

TCL QM7K: Offers impressive brightness and color for its class. While it can’t match OLED’s perfect black, it's great in bright environments.

Verdict:

Dark rooms: Go with LG C4 or Samsung S90D.
Bright rooms: TCL QM7K shines.

Gaming Performance

  • LG C4: Best for PC gamers. Offers G-Sync, Game Optimizer, and four HDMI 2.1 ports.
  • Samsung S90D: Also excellent. Has Gaming Hub and supports cloud gaming services.
  • TCL QM7K: Delivers great gaming features for the price, including 144Hz and FreeSync Premium Pro.

Verdict:

All three are excellent for gaming. LG C4 has a slight edge due to broader compatibility and software features.

Smart Platforms Compared

  • Google TV (TCL): Clean interface with great content suggestions.
  • WebOS (LG): Intuitive and quick with a unique Magic Remote.
  • Tizen OS (Samsung): Feature-rich with strong ecosystem integration.

Verdict:

WebOS is the most user-friendly. Google TV wins on content discovery. Tizen is best for tech-savvy users with Samsung gear.

Final Recommendation

  • Samsung S90D: Best overall – balances OLED depth with superior color & brightness.
  • LG C4: Best for film lovers and hardcore gamers.
  • TCL QM7K: Best value – ideal for bright rooms and budget-conscious buyers.
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