David McCullum

When I see people search for PHOLED vs OLED, they’re usually not looking for lab jargon — they want to know which screen is actually better to buy. I run whatismyscreenresolution.site, and while most visitors come for resolution checks or … Read More

If you have been comparing monitor specs and getting stuck between UWQHD and 4K, you are definitely not the only one. I see this confusion a lot on whatismyscreenresolution.site, especially from readers who assume the monitor with more pixels is … Read More

HDR10 vs HLG is one of those comparisons that sounds simple until you actually watch both on real screens. I see this confusion a lot on whatismyscreenresolution.site because many people assume that if a TV or monitor says “HDR,” every … Read More

HDR Gaming is one of those features that feels confusing on paper but obvious once you see it working properly. I’ve tested HDR on entry-level gaming monitors, brighter HDR TVs, and a few displays that technically supported HDR but barely … Read More

If you have ever looked at a TV spec sheet and wondered why one model costs more just because it says “local dimming,” you are not alone. I see this a lot when I’m comparing TVs and display features for … Read More

I’ve tested enough TVs, display specs, and screen-related tools to know that TV marketing can make a simple buying decision feel way more complicated than it needs to be. Terms like Full Array LED, Mini-LED, local dimming, and HDR sound … Read More

I built whatismyscreenresolution.site to help people understand why two screens with similar specs can look completely different in real life, and HDR tone mapping is one of the clearest examples. I’ve seen two 4K TVs side by side where one … Read More

If you’re comparing Direct Lit vs Edge Lit vs Full Array, the real question is simple: which TV backlight actually gives you the best picture for the way you watch TV? When I started comparing TVs more seriously for my … Read More

If you’ve ever switched on a monitor’s “1ms MPRT” mode and thought, “Okay… why does this suddenly look sharper but dimmer?” — you’re not imagining it. I’ve tested this on multiple gaming displays while working on whatismyscreenresolution.site, and 1ms MPRT … Read More

Quick Answer HDR10 vs HDR400 vs HDR600 vs HDR1000 compares a content format (HDR10) with display performance tiers (DisplayHDR 400/600/1000). HDR10 defines how HDR content is encoded, while HDR400, HDR600, and HDR1000 describe how bright and color-accurate a screen can … Read More