PWM are used as a cheap way to control the back light, as a dimming circuit cost more to implement. This ASUS monitor, has a PWM going at ~240Hz at 50% brightness. ASUS became widely known in North America when it revolutionized the PC industry in 2007 with its Eee PC. Dedicated to creating products for today’s and tomorrow’s smart life. You don't see the flickering as it's fast, but it can cause headache to some, or sense it. ASUS is a Taiwan-based, multinational computer hardware and consumer electronics company that was established in 1989. ![]() Faster the rate the more bright the backlight gets, the slower the rate, the lower the intensity of the back light. PWM (Pulse Width Modulation) means that the backlight turns on and off, at rapid rate. Most of the ASUS monitors uses a PWM, which is a shame for the price you pay. No hold on your credit card, no deposit, no complications, for all warranty claims).Īlso, I know for sure that the Dell monitor does not use a PWM to control the back light illumination, but rather a true dimmer circuit. ![]() Get the Dell one for the superior warranty coverage (Dell pays shipping both directions, and you get to keep your monitor while you await the replacement one. ![]() The response time on the box is b.s figure much like dynamic contrast ratio. Both have amazing real life response time.
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