Monitorture45″ monitor: WQHD (UltraWide) vs 5K2K WUHD
A 45″ monitor is the same physical size — about 41.5″ wide by 17.5″ tall — whatever resolution you pick. What changes is pixel density: more pixels in that fixed area means smaller pixels, sharper text and finer detail. Here's how WQHD (UltraWide) vs 5K2K WUHD compare on a 45″ screen.
| Resolution | Pixels | PPI | Pixel pitch | How it feels |
|---|---|---|---|---|
| WQHD (UltraWide) | 3440 × 1440 | 83 | 0.306 mm | On the coarse side — pixels and soft text are visible |
| 5K2K WUHD | 5120 × 2160 | 123 | 0.206 mm | Sharp — you may prefer slight UI scaling |
Which resolution should you get at 45″?
Because the diagonal is fixed, a higher resolution doesn't make the screen bigger — it makes each pixel smaller, so text and edges look crisper. The trade-off is that the interface also shrinks: past roughly ~150 PPI you'll usually want to turn on OS scaling to keep menus and text readable.
For a normal desk viewing distance, about ~95–120 PPI is the comfortable band where the UI reads well at 100% scaling. On a 45″ panel that means WQHD (UltraWide) sits at ~83 PPI (on the coarse side — pixels and soft text are visible), while 5K2K WUHD reaches ~123 PPI (sharp — you may prefer slight UI scaling) — same screen, noticeably different sharpness.
Viewing distance matters too: the farther you sit, the less a lower PPI shows, so a higher resolution pays off most when the screen is close.