Galaxy A55 5G — 390.5 PPI
The Galaxy A55 5G features a 6.6-inch Super AMOLED 120Hz display at 1080 × 2340 pixels.
At 390 PPI, this exceeds the ~300 PPI threshold where individual pixels become imperceptible at hand-held distance. This is Retina-class density — sharp enough that increasing PPI further yields diminishing visible returns.
How sharp is the Galaxy A55 5G display?
The phone panel measures 390.5 PPI from its1,080 × 2,340 resolution across a 6.6″ diagonal.At a typical phone viewing distance of 10–14 inches (25–35 cm), individual pixels become indistinguishable beyond roughly 8.8″ / 22.4 cm — the 20/20 visual-acuity limit for this density. At 390.5 PPI, the panel is comfortably in Retina-class territory for its use case.
At 390 PPI, this exceeds the ~300 PPI threshold where individual pixels become imperceptible at hand-held distance. This is Retina-class density — sharp enough that increasing PPI further yields diminishing visible returns.
Galaxy A55 5G vs the phone lineup
Across the 71 phones in this database, the average pixel density is447.1 PPI. The Galaxy A55 5G sits at 390.5 PPI —56.6 PPI below the category average, sharper than 10% of its peers.
For context outside the phone class: 390.5 PPI is about 1.8× the density of the 27" 5K Monitor reference display (217.6 PPI).
More Samsung devices
Compare with similar phones
390.5 PPI
Galaxy A37 5G
1080×2340 · 6.6″ · Retina-class
390.5 PPI
Galaxy A57 5G
1080×2340 · 6.6″ · Retina-class
388.2 PPI
Asus ROG Phone 8 Pro
1080×2400 · 6.78″ · Retina-class
394.4 PPI
Nothing Phone (2)
1080×2412 · 6.7″ · Retina-class
388.2 PPI
Asus Zenfone 11 Ultra
1080×2400 · 6.78″ · Retina-class
394.4 PPI
Nothing Phone (2a)
1080×2412 · 6.7″ · 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.