The Samsung Galaxy S24 finally copies a much-needed iPhone display feature

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What you need to know

  • The Samsung Galaxy S24 series sports a new AMOLED display with an improved PWM rate of 492Hz.
  • All previous Samsung AMOLED panels on Galaxy phones ran at 240Hz PWM, giving some users headaches, eye aches, and other issues.
  • Apple used the same 240Hz PWM rate for years, finally improving it to 480Hz with the iPhone 13 series.

If you pick up any of the three new Samsung Galaxy S24 models this year and notice that the display seems a little easier on the eyes, there’s a good reason. That’s because Samsung finally increased its AMOLED display panel’s PWM (pulse width modulation) refresh rate, now exceeding the iPhone’s 492Hz PWM frequency.

If you’re unfamiliar with pulse width modulation, better known as PWM, you’re not alone. When Apple switched to OLED displays on the iPhone X back in 2017, some users suddenly found that their favorite phone was making them feel sick or giving them headaches. It turns out the OLED display wasn’t dimming like an LCD display and instead rapidly turned on and off 240 times per second to trick users’ eyes into thinking the display looked dimmer or brighter.



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