Sony A80K/A80CK OLED TV Review

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The TV's SDR peak brightness is just okay, as it doesn't get bright enough to fight a ton of glare. It also has an aggressive Automatic Brightness Limiter (ABL) that makes large bright areas dimmer, which isn't ideal if you use it as a PC monitor or watch sports like hockey.

We tested it again in an air-conditioned room at about 73 F (23 C). It didn't change the brightness results in the individual windows compared to our original testing. However, we measured the Real Scene brightness after letting the TV cool down enough following the peak brightness, and this resulted in an increased brightness of nearly 20 nits, which isn't a significant difference, but cooling the display down a bit lets it get brighter.

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These measurements are after calibration with the following settings:

• Picture Mode: Custom
• Brightness: Max
• Contrast: 90 (default)
• Color Temperature: Expert 1
• Peak Luminance: High
• Gamma: 0

Disabling Peak Luminance results in a much dimmer overall image but with no brightness variation between different scenes, as you can see below:

• Peak 2% Window: 116 cd/m²
• Peak 10% Window: 128 cd/m²
• Peak 25% Window: 126 cd/m²
• Peak 50% Window: 126 cd/m²
• Peak 100% Window: 119 cd/m²
• Sustained 2% Window: 114 cd/m²
• Sustained 10% Window: 125 cd/m²
• Sustained 25% Window: 122 cd/m²
• Sustained 50% Window: 122 cd/m²
• Sustained 100% Window: 118 cd/m²

If you want the brightest image possible and you don't care about accuracy, then use the 'Vivid' Picture Mode with the Brightness and Contrast at their max, Live Color, Advanced Contrast Enhancer, and Peak Luminance on 'High', and the Color Temperature on 'Cool'. It results in a peak brightness of 766 cd/m² in the 2% window.

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