Device summary

Samsung

Galaxy M55

Redmi

Note 12

Full specifications

Full specifications
Basic information
Release year20242023
Starting price
Display size6.7-inch6.7-inch
Dimensions76.5 mm × 163.9 mm × 7.8 mm76.0 mm × 165.7 mm × 7.8 mm
Weight180 g184 g
Front material
Back material
Display
Display technologySuper AMOLED PlusAMOLED
Resolution1080 × 24002400 × 1080
Refresh rate120 Hz120 Hz
Peak brightness450 nits
Performance
ChipsetQualcomm Snapdragon 7 Gen 1
RAM8 GB
Storage128 GB
Expandable storageYesNo
Cameras
Main cameraWide · 50 MP · ƒ/1.8 · OIS
Ultra-wide cameraUltra Wide · 8 MP · ƒ/2.2Ultra Wide · 50 MP · f/1.8
Macro cameraMacro · 2 MP · ƒ/2.4
Front camerasSelfie · 50 MP · ƒ/2.4Selfie · 13 MP · f/2.45
Battery & charging
Wired charging25 W
Charging standardSuper Fast Charging
Typical capacity5000 mAh
Connectivity
Cellular5G, LTE, 3G, 2G
Wi‑FiWi-Fi 6
BluetoothBluetooth 5.2
USBUSB Type-C
NFCYes

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

  • Height

    Note 12

    1.8 mm taller · minor difference

  • Weight

    Galaxy M55

    4 g lighter · minor difference

  • Width

    Galaxy M55

    0.5 mm wider · minor difference

  • Thickness

    Very similar thickness

Galaxy M55 vs Note 12 Size Comparison

User Experience Summary

Galaxy M55

Strengths

  • Vivid 120Hz Super AMOLED Plus display with punchy colors
  • Dependable all-day battery life with 45W fast-charging support
  • Stereo speakers and under-display fingerprint sensor uncommon at this price

Compromises

  • Camera app is noticeably slow, especially for automatic night-mode shots
  • Battery and camera resolution reduced compared with the previous M54
  • Phone runs warm during extended gaming or camera app use

Compare in Sizometry Tool

See both devices at the same scale.