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  1. Home
  2. /TVs
  3. /TCL QM7 65 vs LG B4 OLED 55

TCL QM7 65 vs LG B4 OLED 55

Verdict

Our overall take, at a glance

Key takeaways

  • TCL QM7 65 leads LG B4 OLED 55 overall by 13 points (79 vs 66 out of 100).
  • TCL QM7 65 stands out on Panel Screen Size: 65 in, Panel Screen-to-body ratio: 97%, Picture Quality Peak Brightness (HDR): 2,400 nits.
TCL QM7 65 leads overall
TCL QM7 65
79
LG B4 OLED 55
66
Why it stands out
  • Panel Screen Size: 65 in
  • Panel Screen-to-body ratio: 97%
  • Picture Quality Peak Brightness (HDR): 2,400 nits

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.

TCL QM7 65

The TCL QM7 65 is a mid-range television designed for home theater enthusiasts and gamers looking for high-end performance without the flagship price. Equipped with the AIPQ PRO processor, it features Mini-LED backlighting with up to 1,500 local dimming zones and can reach a peak brightness of up to 2,400 nits. It serves as a highly capable centerpiece for mixed-use living spaces, offering strong gaming features alongside deep black levels.

Best for High-refresh-rate console and PC gamingBest for HDR movie watching in brightly lit rooms
Pros
  • High peak brightness of up to 2,400 nits that helps HDR content pop
  • Up to 1,500 local dimming zones for refined contrast and deeper blacks
  • Excellent gaming features including support for 4K at 144Hz and VRR
  • Noticeable upgrade in brightness and contrast control over previous generations
Cons
  • Narrow viewing angles restrict optimal picture quality to dead-on seating
  • The updated QM7K version commands a higher price tag compared to the previous model
Video — reviews used (3)

Two video reviews from RTINGS Home Theater detailing the specifications, processor, gaming capabilities, and performance differences between the QM7/QM751G and the QM7K.

Generated Jun 30, 2026

LG B4 OLED 55

The LG B4 OLED TV is described as an affordable premium model with various sizes available in 48, 55, 65, 77, and 83 inches. It features a super thin design, virtually non-existent bezels, and a broad range of connectivity options. The model offers high-quality picture capabilities suitable for multiple viewing environments.

Best for large group settingBest for gamingBest for movie viewing
Pros
  • Features super wide viewing angles, making it good for large group settings.
  • Includes a 120Hz refresh rate and OLED motion capability, providing smooth video play.
  • Equipped with four HDMI 2.1 ports, allowing connection of multiple high-refresh-rate devices.
  • Offers various connectivity options, including Wi-Fi 5, Bluetooth, Ethernet, and optical audio.
  • Features LG's WebOS 24 operating system with the Alpha 8 AI processor for smooth use.
Cons
  • The side inputs may require special consideration when choosing a thin profile wall mount.
  • Audio performance is limited by the necessity of connecting an external soundbar.
Video — reviews used (3)

Video overview covering features, specs, and usage scenarios.

Generated Jun 28, 2026

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

TCL QM7 65

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LG B4 OLED 55

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Physical Comparison

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Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Panel

Feature
TCL QM7 65
LG B4 OLED 55
Screen Size
65 in
55 in
Resolution
3840 × 2160 px
3840 × 2160 px
Panel Technology
Refresh Rate
120 Hz
120 Hz
Dimensions
144.5 × 83.1 × 7.1 cm
122.8 × 70.8 × 4.6 cm
Screen-to-body ratio
97%96%

Picture Quality

Feature
TCL QM7 65
LG B4 OLED 55
Peak Brightness (HDR)
2,400 nits
650 nits
Local Dimming
Yes
Yes
Processor
N/A
Alpha 8 AI Processor Gen7

HDR

Feature
TCL QM7 65
LG B4 OLED 55
HDR Formats
Dolby Vision, HDR10+, HDR10, HLG
Dolby Vision, HDR10, HLG
Dolby Vision
Yes
Yes

Gaming

Feature
TCL QM7 65
LG B4 OLED 55
Gaming Refresh Rate (VRR Max)
144 Hz
120 Hz
HDMI 2.1 Ports
2
4
ALLM
Yes
Yes

Connectivity

Feature
TCL QM7 65
LG B4 OLED 55
Total HDMI Ports
4
4
Wi-Fi
Wi-Fi 6
Wi-Fi 5
Bluetooth
Yes
Yes
Ethernet
Yes
Yes
Release Date
March 1, 2024
May 1, 2024

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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