LG B4 Series OLED77B4PUA 77.8"
Roku Pro Series 55R8C5 55"
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
Roku Pro Series 55R8C5 55"
The Roku Pro Series TV receives overwhelmingly positive feedback for its exceptional picture quality, vibrant colors, and deep blacks. Users praise the built-in sound, often finding it good enough to skip a soundbar, and highlight the responsive, user-friendly Roku interface. The rechargeable, backlit remote with a locator feature is a standout convenience. A few minor criticisms include the glossy screen causing reflections, non-customizable shortcut buttons, and occasional initial issues like local dimming quirks that resolved quickly.
Pros
- Exceptional picture quality with vibrant colors
- Deep blacks and excellent contrast
- Great built-in sound, often no soundbar needed
- Responsive and fast Roku interface
- Rechargeable backlit remote with locator
Cons
- Glossy screen causes reflections
- Non-customizable shortcut buttons on remote
- Initial local dimming artifacts (resolved quickly)
- Heavier than expected
- Bass can struggle at times
Scores
Specifications
| LG B4 Series OLED77B4PUA 77.8" | Roku Pro Series 55R8C5 55" | |
|---|---|---|
| Display | ||
| Size | 77.8" | 55" |
| Resolution | 4K | 4K |
| Panel Type | OLED★ | QLED |
| Backlight | OLED★ | Full-Array LED |
| Aspect Ratio | — | 16:9 |
| Curved | ✗ | ✗ |
| Screen Finish | — | glossy |
| Picture Quality | ||
| Contrast Ratio | Infinite | infinite |
| Motion Tech | — | Roku Smart Picture Max |
| Processor | α8 AI Processor | Roku Smart Picture Max |
| HDR | ||
| HDR Formats | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG) |
| Dolby Vision | ✓ | ✓ |
| HDR10+ | ✗ | ✓★ |
| HLG | ✓ | ✓ |
| Gaming | ||
| Refresh Rate | 120 Hz | 120 Hz |
| VRR | G-SYNC Compatible (NVIDIA Adaptive Sync), FreeSync (AMD Adaptive | FreeSync Premium Pro, VRR |
| ALLM | — | ✓★ |
| Game Mode | — | ✓★ |
| Smart TV | ||
| Platform | webOS | Roku TV |
| Voice Assistant | Amazon Alexa | Not Applicable, Not Applicable |
| Screen Mirroring | Apple AirPlay 2, Chromecast | Apple AirPlay 2, Miracast |
| Works With | — | Apple Home, Amazon Alexa, Google Home |
| Audio | ||
| Speaker Config | 2.0 | 4 |
| Dolby Atmos | ✓ | ✓ |
| Surround Sound | Dolby Atmos | Dolby Atmos, Dolby Audio |
| 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 | 5.2★ |
| Ethernet | ✓ | ✓ |
| Optical Audio | ✓ | ✓ |
| VESA Mount | 300mm x 200mm | 200x200 |
| Power & Size | ||
| Power | — | 235W★ |
| Energy Star | ✓★ | ✗ |
| Annual Energy | 296 kWh | 238 kWh★ |
| Weight | 22.91 kg | 18.55 kg★ |
Pros & Cons
LG B4 Series OLED77B4PUA 77.8"
- Strong social proof (94th percentile)94th %ile
- Strong smart (89th percentile)89th %ile
- Strong connectivity (86th percentile)86th %ile
- Strong audio (78th percentile)
- Below average affordability (0th percentile)0th %ile
Roku Pro Series 55R8C5 55"
- Strong user sentiment (95th percentile)95th %ile
- Strong social proof (94th percentile)94th %ile
- Strong connectivity (93rd percentile)93rd %ile
- Strong gaming (88th percentile)88th %ile
Verdict
Scores 78 overall, wins 5 of 9 usage categories and 8 of 38 specs.