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LG G5 OLED Delivers Brightest Panel Yet in 2025 Flagship

Source: rtings.com

TL;DR

LG G5 OLED launches as 2025 flagship with new RGB tandem WOLED panel for higher brightness.
Delivers near-infinite contrast, amazing HDR brightness up to 2019 cd/m² in highlights, excels in gaming at 165Hz.
Tops LG lineup above C5 OLED, ideal for dark rooms, bright rooms, and PC gaming despite minor stutter.

The story at a glance

LG released the G5 OLED TV, its top 2025 model using a new primary RGB tandem WOLED panel for brighter HDR and wider colors than prior OLEDs. Reviewed on the 77-inch size, it scores high across usage with the Alpha 11 AI processor Gen 2 and full HDMI 2.1 features. It's in the news as the brightest LG OLED yet, tested May 2025 and updated March 2026.

Key moments & milestones

May 2025: LG G5 OLED reviewed on 77-inch OLED77G5WUA model.
Firmware 33.10.80: Achieves HDR peak brightness 2019 cd/m² in Hallway Lights scene with Dynamic Tone Mapping.
Firmware 33.11.35: Improves input lag to 4ms at 165Hz, enables PQ EOTF tracking.
Firmware 33.20.67: Slightly lowers some brightness peaks.
Firmware 33.21.81: Fixes most HDR gradient banding.
March 2026: Review writing modified with latest tests.

Signature highlights

Near-infinite contrast with perfect blacks, no blooming; individual pixel control eliminates local dimming issues.
HDR brightness amazing: small highlights hit 2019 cd/m², outperforms many Mini-LEDs like Samsung QN990F for specular peaks.
SDR brightness excellent: Peak 2% 574 cd/m² in Game Optimizer, sustains well across scenes.
Gaming top-tier: 4ms input lag at 4k@165Hz, full VRR (FreeSync, G-SYNC), PS5/Xbox compatibility.
Color accuracy outstanding post-calibration; 99.80% DCI-P3 volume, vibrant across luminance levels.
Wide viewing angle excellent, solid reflections; beats LG C5 OLED in brightness/refresh rate, competes with Samsung S95F OLED.

Category	Score	Key Metric
HDR Brightness	Amazing	2019 cd/m² peak
Input Lag	Very Low	4ms @165Hz
Color Volume	Amazing	99.80% DCI-P3

Why it matters

Flagship OLEDs like the G5 push brightness limits, challenging QD-OLED and Mini-LED rivals in premium TV market. Buyers get versatile performance for movies, sports, and 165Hz gaming without backlight flaws. Watch Samsung S95F comparisons and 97-inch variant tests lacking new panel.