ALERT
Best For
Best for Gaming
LG OLED55C6XLA
Better Built-in Sound
LG OLED55C6XLA
Advanced Picture Processing
LG OLED55C6XLA
Higher VRR Support
LG OLED55C6XLA
Core OLED Features
LG OLED55B6PLA
The LG OLED55C6XLA and LG OLED55B6PLA are both 55-inch 4K OLED TVs with 120Hz panels, Dolby Vision, Dolby Atmos and four HDMI 2.1 ports. The main differences are in processing, brightness and gaming performance. The OLED55C6XLA uses the Alpha 11 AI Processor, includes Brightness Booster and supports VRR up to 165Hz, while the OLED55B6PLA uses the Alpha 8 processor and supports VRR up to 144Hz. The C6XLA also has a more powerful 40W 2.2-channel audio system compared with the B6PLA's 20W 2.0-channel setup. Both are strong choices for movies and gaming, but they target slightly different priorities.
Verdict
The LG OLED55C6XLA is the more feature-rich option, with a stronger processor, Brightness Booster, 40W audio and higher 165Hz VRR support. It is better suited to users who want enhanced picture processing, stronger built-in sound and advanced gaming features. The LG OLED55B6PLA still offers the core OLED experience, 4K 120Hz gaming, Dolby Vision and similar smart features, making it suitable for buyers who do not need the C6XLA's additional performance features.
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| Model No | OLED55C6XLA | OLED55B6PLA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TV Type | Smart TV | Smart TV | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Screen Size | 55 Inch (139 cm) | 55 Inch (139 cm) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Resolution | 4K 3840 x 2160 | 4K 3840 x 2160 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Aspect Ratio | 16:9 | 16:9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Motion Rate | 120 Hz | 120 Hz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Viewing Angle | 178°/178° | 178°/178° | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Frequently Asked Questions
Which product is better for gaming?
The LG OLED55C6XLA has an advantage for gaming because it supports VRR up to 165Hz, compared with up to 144Hz on the OLED55B6PLA. Both support 4K 120Hz, ALLM, AMD FreeSync, Nvidia G-Sync and Dolby Vision for gaming.
Which TV has better picture processing?
The LG OLED55C6XLA uses the Alpha 11 AI Processor 4K Gen3, while the OLED55B6PLA uses the Alpha 8 AI Processor 4K Gen3. The C6XLA also includes Brightness Booster, giving it a more advanced picture-processing feature set.
Which TV has better sound quality?
The OLED55C6XLA has a 40W 2.2-channel speaker system, while the OLED55B6PLA has a 20W 2.0-channel system. On paper, the C6XLA offers the more powerful built-in audio setup.
Do both TVs support Dolby Vision?
Yes. Both the LG OLED55C6XLA and OLED55B6PLA support Dolby Vision for compatible content.
Do both TVs have HDMI 2.1?
Yes. Both models have four HDMI 2.1 ports supporting features including 4K 120Hz, VRR, ALLM, QMS and QFT.
Which LG OLED TV is better for most demanding users?
The OLED55C6XLA has the broader feature set, including the Alpha 11 processor, Brightness Booster, 40W 2.2-channel audio and VRR support up to 165Hz. The OLED55B6PLA retains many of the key OLED, smart TV and gaming features.
Top Differences
- Gaming Refresh Rate: 120Hz Native ( VRR 165Hz ) Vs 120Hz Native ( VRR 144Hz )
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