LG OLED77C5PUA vs TCL 65QM8K
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Choosing between the LG OLED77C5PUA and TCL 65QM8K? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG OLED77C5PUA scores higher in value, future-proofing. The TCL 65QM8K leads in form factor, room fit. They score similarly in video quality, gaming performance, ease of use.
On the display side, the LG OLED77C5PUA uses a WOLED panel while the TCL 65QM8K uses VA, and screen sizes differ at 77" vs 65". OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast. Bigger isn't always better — it depends on viewing distance. THX recommends a 36-degree viewing angle; SMPTE suggests 30 degrees minimum. Our viewing distance calculator helps find the sweet spot.
These two TV options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
These two are closely matched — your decision comes down to your specific room setup and speaker pairing and budget.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
LG 77" Class OLED evo AI C5 4K Smart TV 2025
TCL 65" Class QM8K Series QD-Mini LED 4K UHD Smart Google TV, 65 Inch TVs
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $2,199.99 | N/A |
| Screen Size | 77" | 65" |
| Resolution | 4K | 4K |
| Panel Type | WOLED | VA |
| Backlight Type | none | mini-LED |
| Native Contrast Ratio | Infinite | — |
| HDR Formats | HDR10, Dolby Vision, HLG | HDR10, Dolby Vision, HLG |
| Refresh Rate | 120Hz | 144Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync+G-Sync | — |
| ALLM | Yes | No |
| Smart OS | webOS | Google TV |
| Speaker Config | 2.2 | — |
| Dolby Atmos (Speakers) | Yes | Yes |
| HDMI Total Ports | 4 | 4 |
| HDMI 2.1 Ports | 4 | 0 |
| eARC Port | Yes | Yes |
| VESA Pattern | 300x200 | 300x300 |
| Processor | α9 AI Processor 4K Gen8 | — |
| Model Year | — | — |
Key Differences
- Panel Type: LG OLED77C5PUA at WOLED vs TCL 65QM8K at VA. OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast.
- Smart OS: LG OLED77C5PUA at webOS vs TCL 65QM8K at Google TV
- USB Type: LG OLED77C5PUA at 3ea (v 2.0) vs TCL 65QM8K at 1 x USB 3.0, 1 x USB 2.0
- Series Name: LG OLED77C5PUA at C5 vs TCL 65QM8K at QM8K
- USB Ports: LG OLED77C5PUA at 3 vs TCL 65QM8K at 2
Which Should You Choose?
Choose LG OLED77C5PUA if you want:
- + larger 77" screen for more immersive viewing
- + better hdmi 2.1 ports — hDMI 2
- + better depth (w/ stand)
Choose TCL 65QM8K if you want:
- + better refresh rate — 120 Hz provides noticeably smoother motion for sports and gaming
- + better native refresh rate
- + lighter weight for easier placement
- + lighter weight for easier placement
See Where These Rank
Check our editorial rankings to see how LG OLED77C5PUA and TCL 65QM8K compare to the rest of the field.
Best TV RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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