Infinix Note 40 screen size
The Infinix Note 40 renders websites at 393×873 CSS pixels in portrait and 873×393 in landscape. It shares the exact same viewport as the Xiaomi 14, Redmi Note 13, Vivo V30, so one test covers them all.
Viewport specs
| CSS viewport (portrait) | 393 × 873 px |
| CSS viewport (landscape) | 873 × 393 px |
| Aspect ratio | 0.450:1 |
| Breakpoint category | mobile |
| Device type | phone |
| Brand | Others |
CSS media query for Infinix Note 40
/* Infinix Note 40 — portrait */
@media (max-width: 393px) {
/* your styles */
}
/* Infinix Note 40 — landscape */
@media (max-width: 873px) and (orientation: landscape) {
/* your styles */
}Testing tips for Infinix Note 40
Viewports this narrow are where layouts most often break: check that nothing scrolls sideways, buttons are at least 44px tall, and body text is 16px or larger.
Compare it against a tablet and a desktop width in the same view to catch breakpoint jumps — Responsivly's multi-view does this in one click.
FAQ
What is the Infinix Note 40 viewport size?
The Infinix Note 40 has a CSS viewport of 393×873 pixels in portrait orientation and 873×393 pixels in landscape.
What media query targets the Infinix Note 40?
Use @media (max-width: 393px) for portrait styles, or @media (min-width: 393px) and (max-width: 393px) to target this exact width.
How do I test my website on the Infinix Note 40?
Open Responsivly, paste your URL and pick Infinix Note 40 from the device list — it renders your site at 393×873 for free, no signup.