LG OLED77C5PUA
$1,996.99
Full LG OLED77C5PUA review: 77" OLED evo panel with perfect blacks. See specs, pros & cons, best price.
LG OLED77C5PUA vs TCL 75QM851G
Compare LG OLED77C5PUA and TCL 75QM851G side by side with the specs buyers actually care about, a cleaner breakdown of strengths and tradeoffs, and a clearer verdict on which model fits different priorities.
TCL 75QM851G
Best Value Winner$997.99
The TCL 75QM851G is a compelling choice in the TVs market. With 1,543 Amazon ratings averaging 4.5/5 stars, it has proven itself with real buyers. Mini LED with 1300+ local dimming zones.
Side-by-side specs
The table below puts the core differences in one place so buyers can quickly compare the display, performance, battery, connectivity, and value details that matter most. Highlighted cells mark the stronger value-oriented spec on each row.
| Spec | LG OLED77C5PUA | TCL 75QM851G |
|---|---|---|
| Screen Size | Winner77 inches | 75 Inches |
| Resolution | 4K UHD (3840x2160) | 4K |
| Display Technology | OLED | WinnerQLED Mini LED |
| HDR | Dolby Vision | Dolby Vision |
| Refresh Rate | 120Hz | Winner144 Hz |
| Local Dimming | — | WinnerLocal Dimming |
| Gaming Features | WinnerFreeSync Premium | — |
| Smart Platform | — | WinnerGoogle TV |
| HDMI Ports | Winner4 x HDMI | — |
| HDMI Standard | WinnerHDMI 2.1 | — |
| Model Year | — | Winner2023 |
| User Rating | 4.5/5 | 4.5/5 |
| Current Price | $1,996.99 | Winner$997.99 |
| Model | OLED77C5PUA | 75QM851G |
| Ports | Winner4 (HDMI 2.1) | 4 (2x HDMI 2.1) |
| Isplay Ype | WinnerOLED evo | — |
| Mart Latform | WinnerwebOS 25 | — |
| CPU | Winnerα9 AI Gen8 | — |
| Aming | WinnerNVIDIA G-Sync, FreeSync, VRR, 0.1ms | — |
LG OLED77C5PUA
Standout strengths
- 77" OLED evo panel with perfect blacks
- α9 AI Processor Gen8
- Dolby Vision & Dolby Atmos
- NVIDIA G-Sync & FreeSync Premium for gaming
Main tradeoffs
- Check price, ecosystem fit, and the full spec table before deciding because these details usually determine the better value.
TCL 75QM851G
Standout strengths
- Mini LED with 1300+ local dimming zones
- 144Hz for ultra-smooth gaming
- QLED Quantum Dot color
- Dolby Vision IQ
Main tradeoffs
- ✗ Some blooming in dark scenes
What buyers should focus on
LG OLED77C5PUA vs TCL 75QM851G should be judged on panel tech, screen size, HDR support, smart platform, and how much performance you get for the asking price.
TV shoppers who care about picture quality usually look at Mini-LED/QLED/OLED class differences, gaming readiness, and whether the room is bright or light-controlled.
It also matters whether you are optimizing for cinematic impact, console gaming, or getting the strongest value for everyday streaming.
Which one is better?
Winner: TCL 75QM851G
TCL 75QM851G is the better bang-for-your-buck winner on this page because it comes out ahead on more of the specs and value signals that matter most for buyers shopping this category. It wins here because it comes out ahead on display technology, has the faster motion target on paper, comes out ahead on local dimming.
LG OLED77C5PUA is the stronger pick if you want the larger-screen, more theater-style setup with its 77 inches panel and OLED display class. TCL 75QM851G makes more sense if you care more about keeping cost and size in check, because it lands at a meaningfully lower current price point while still giving you a 75 Inches 4K TV. For most shoppers, the real decision is premium big-screen impact versus value-oriented everyday viewing.
Use the side-by-side table first, then open the deeper review pages if you want more context on setup, long-term ownership, and which model is the smarter buy for your exact priorities.