Honor 400 Pro Display and Battery Life
- Muhammad Rehman
- 8 hours ago
- 3 min read
The Honor 400 Pro features a 6.7-inch OLED screen with 1,280 x 2,800 pixels resolution or 460ppi density. The display has a color depth of 10 bits, a refresh rate of 120 Hz, HDR Vivid, and HDR10 certifications for YouTube, Prime, and Netflix. Honor advertises this display for its 5,000nits of peak brightness, 1.5nits minimum brightness, DCI-P3 color gamut coverage, color correction during sunlight brightness boost, natural tone (color temperature correction), 3840Hz PWM dimming, and some good reduction in eye fatigue via Honor Eye Care mode.
We captured exactly 1.5nits of minimal brightness, 616nits of maximum manual and 1,481nits of maximum automatic brightness. Reducing the white patch down to 30% and less, yields more than 3,000nits of brightness.
Oddly both High and Standards are fixed at 120Hz and 60Hz, respectively. Usually, those still drop the refresh rate to a lower level for idle screen, but not on this Honor. For streaming video and static images, the Dynamic one reduces the refresh rate to 60 Hz. We saw 90Hz and 120Hz used in most compatible apps.
The Honor 400 Pro is successfully recognized as HDR10 and HDR10+ certified device and we can confirm it streams high-resolution HDR10 content on YouTube, Netflix and Prime Video.
An additional 5,300mAh Si/C battery powers the Honor 400 Pro, up from the Honor 200 Pro's 5,200mAh. The Honor 400 Pro scored an Active Use Rating of 13:54 hours. It did beat some of its competitors, but for the most part, it matches most handsets in the price bracket.The Realme GT 7 phones are outliers in this case, with considerably bigger batteries.
Overall, the Honor 400 Pro provides an adequate battery life for the given hardware and it scored very well across all tests. The Honor 400 Pro supports up to 100W fast wired and up to 50W fast wireless charging. It can also reverse wired and wireless charged other devices.
The phone ships without a charger in the box, but Honor is giving away a free 100W Honor SuperCharge power adapter with the phone via its official web stores. When using this 100W Honor charger, we clocked 53% of charge in 15 mins, 93% in 30 mins and 100% in just 38 mins with the Honor 400 Pro.
Keep in mind that the Honor 400, which has the same battery capacity but only supports "only" up to 66W charging, reached 100% just 3 minutes slower. This means that the maximum power of 100W is only used for the first few minutes and then drops to 66W or lower. The charging time will be slightly different if you buy the Honor charger with 66W or 100W.
The Honor 400 Pro has a host of measures that you can enable in settings to prolong the lifespan of its battery. When turned on, the Smart Battery Capacity feature stops charging a notch below the cell's actual full capacity. Safe charging, meanwhile, cuts off power once the battery is full and starts over when the level drops below 95% - ensuring you won't be constantly pumping power in if you have your phone plugged in for longer. Additionally, you can have the phone cut off charging at 70%, 80% or 90% limit.
Honor offers 200% High Volume sound mode at the last step of the volume bar. This mode magnifies the higher frequencies at the expense of vocals and bass. It is a tradeoff you should be aware of, even though it appears a little louder to our ears. However, this comes at the expense of perceived sound quality.
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