OnePlus Open — 426.0 PPI
The OnePlus Open main folding screen is a 7.82-inch 120Hz Flexi-fluid LTPO3 OLED display at 2268 × 2440 pixels with 426 PPI.
At 426 PPI, this is an exceptionally high pixel density. Well beyond the perceptual limit for most viewing scenarios. Common on flagship phones where manufacturers prioritize display specifications.
How sharp is the OnePlus Open display?
The phone panel measures 426.0 PPI from its2,268 × 2,440 resolution across a 7.82″ diagonal.At a typical phone viewing distance of 10–14 inches (25–35 cm), individual pixels become indistinguishable beyond roughly 8.1″ / 20.5 cm — the 20/20 visual-acuity limit for this density. At 426.0 PPI, the panel is comfortably in Retina-class territory for its use case.
At 426 PPI, this is an exceptionally high pixel density. Well beyond the perceptual limit for most viewing scenarios. Common on flagship phones where manufacturers prioritize display specifications.
OnePlus Open vs the phone lineup
Across the 71 phones in this database, the average pixel density is447.1 PPI. The OnePlus Open sits at 426.0 PPI —21.1 PPI below the category average, sharper than 32% of its peers.
For context outside the phone class: 426.0 PPI is about 2.0× the density of the 27" 5K Monitor reference display (217.6 PPI).
More OnePlus devices
Compare with similar phones
425.7 PPI
Galaxy Z Flip7
1080×2640 · 6.7″ · Retina-class
426.0 PPI
OPPO Find N3 (Inner)
2268×2440 · 7.82″ · Retina-class
425.7 PPI
Galaxy Z Flip7 FE
1080×2640 · 6.7″ · Retina-class
431.4 PPI
Pixel 8a
1080×2400 · 6.1″ · Retina-class
425.7 PPI
Galaxy Z Flip6
1080×2640 · 6.7″ · Retina-class
431.6 PPI
OnePlus Open (Cover)
1116×2484 · 6.31″ · Retina-class
Calculate any screen's PPI
PPI Calculator
√(W² + H²) ÷ size | PPI ±0.1See the pixel density
—Higher PPI packs more pixels into the same physical area, producing smaller pixels and finer detail.