LG B4 Series OLED77B4PUA 77.8"
TCL QM8K Series 75QM8K 75"
What Buyers Say
LG B4 Series OLED77B4PUA 77.8"
The LG B4 OLED TV receives overwhelmingly positive feedback for its stunning picture quality, deep blacks, and vibrant colors, making it a favorite for movies and gaming. Many users highlight its excellent value for an OLED, though some report issues with the webOS interface being slow, connectivity problems, and occasional dead pixels or reliability concerns. The built-in sound is considered decent but often paired with a soundbar for an enhanced experience.
Pros
- Stunning picture quality
- Deep blacks and vibrant colors
- Excellent value for OLED
- Great for gaming and movies
- Smooth 120Hz refresh rate
Cons
- Slow webOS interface
- Connectivity and streaming issues
- Dead pixels after short use
- Poor built-in sound quality
- Remote control sensitivity issues
TCL QM8K Series 75QM8K 75"
The TCL QM8K is widely praised for its impressive brightness, vibrant colors, and excellent HDR performance, rivaling OLED at a lower price point. While some users note minor issues with viewing angles, a glossy screen, and occasional dimming quirks, the overall sentiment is highly positive. A few users mention that the built-in speakers are surprisingly good, though the OS can be slow at times.
Pros
- Impressive brightness and HDR
- Vibrant colors near OLED quality
- Excellent gaming performance at 144Hz
- Good built-in sound quality
- Snappy Google TV interface
Cons
- Limited viewing angles off-center
- Glossy screen causing reflections in bright rooms
- Occasional dimming issues in games and movies
- Bulky design from side/back
- Slow operating system at times
Scores
Specifications
| LG B4 Series OLED77B4PUA 77.8" | TCL QM8K Series 75QM8K 75" | |
|---|---|---|
| Display | ||
| Size | 77.8" | 75" |
| Resolution | 4K | 4K |
| Panel Type | OLED★ | Mini-LED |
| Backlight | OLED★ | Full-Array LED |
| Aspect Ratio | — | 16:9 |
| Curved | ✗ | ✗ |
| Picture Quality | ||
| Brightness | — | 5000 nits★ |
| Peak Brightness | — | 5000 nits★ |
| Contrast Ratio | Infinite | infinite |
| Color Gamut | — | DCI-P3 |
| Color Depth | — | 10-bit★ |
| Motion Tech | — | Motion Rate 480 |
| Processor | α8 AI Processor | TCL AIPQ PRO Processor |
| HDR | ||
| HDR Formats | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) |
| Dolby Vision | ✓ | ✓ |
| HDR10+ | ✗ | ✓★ |
| HLG | ✓ | ✓ |
| Gaming | ||
| Refresh Rate | 120 Hz | 144 Hz★ |
| VRR | G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive | FreeSync Premium Pro |
| ALLM | — | ✓★ |
| Game Mode | — | ✓★ |
| Smart TV | ||
| Platform | webOS | Google TV |
| Voice Assistant | Amazon Alexa | Google Assistant, Amazon Alexa |
| Screen Mirroring | Apple AirPlay 2, Chromecast | Apple AirPlay 2, Chromecast |
| Works With | — | Amazon Alexa, Google Home, Apple Home |
| Audio | ||
| Speaker Config | 2.0 | 2.1 |
| Wattage | — | 60W★ |
| Dolby Atmos | ✓ | ✓ |
| Surround Sound | Dolby Atmos | Dolby Atmos, IMAX Enhanced, Dolby Digital Plus, Dolby Digital, DTS:X |
| eARC | ✓ | ✓ |
| Connectivity | ||
| HDMI Ports | 4 | 4 |
| HDMI Version | 2.1 | 2.1 |
| USB Ports | 2 | 2 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6★ |
| Bluetooth | 5.1 | 5.4★ |
| Ethernet | ✓ | ✓ |
| Optical Audio | ✓ | ✓ |
| VESA Mount | 300mm x 200mm | 400x400 |
| Power & Size | ||
| Power | — | 450W★ |
| Energy Star | ✓★ | ✗ |
| Annual Energy | 296 kWh★ | 450 kWh |
| Weight | 22.91 kg★ | 28.39 kg |
Pros & Cons
LG B4 Series OLED77B4PUA 77.8"
- Strong social proof (94th percentile)94th %ile
- Strong smart (90th percentile)90th %ile
- Strong connectivity (86th percentile)86th %ile
- Strong audio (77th percentile)
TCL QM8K Series 75QM8K 75"
- Strong picture quality (99th percentile)99th %ile
- Strong smart (99th percentile)99th %ile
- Strong gaming (93rd percentile)93rd %ile
- Strong connectivity (93rd percentile)93rd %ile
Verdict
Scores 92 overall, wins 9 of 9 usage categories and 11 of 42 specs.