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Galaxy M55 vs Note 15

Device summary

Samsung

Galaxy M55

Redmi

Note 15

Full specifications

Full specifications
Basic information
Release year20242026
Starting price——
Display size—6.8-inch
Dimensions76.5 mm × 163.9 mm × 7.8 mm75.4 mm × 164.0 mm × 7.9 mm
Weight180 g184 g
Front material——
Back material——
Display
Display technology—AMOLED
Resolution—2392 × 1080
Refresh rate—120 Hz
Peak brightness—3200 nits
Performance
Chipset—MediaTek Helio G100-Ultra
RAM—6 GB, 8 GB
Storage—128 GB, 256 GB, 512 GB
Expandable storage—Yes
Cameras
Main camera—Wide · 108 MP · ƒ/1.76
Depth camera—Depth · 2 MP · ƒ/2.4
Front cameras—Front · 20 MP
Battery & charging
Typical capacity—6000 mAh
Wired charging—33 W
Connectivity
Cellular—LTE
Wi‑Fi—Wi-Fi 5
Bluetooth—Bluetooth 5.3
NFC—Yes
Build & durability
Ingress protection—IP64

Basic information

Release year

Galaxy M55
2024
Note 15
2026

Starting price

Galaxy M55
—
Note 15
—

Display size

Galaxy M55
—
Note 15
6.8-inch

Dimensions

Galaxy M55
76.5 mm × 163.9 mm × 7.8 mm
Note 15
75.4 mm × 164.0 mm × 7.9 mm

Weight

Galaxy M55
180 g
Note 15
184 g

Front material

Galaxy M55
—
Note 15
—

Back material

Galaxy M55
—
Note 15
—

Display

Display technology

Galaxy M55
—
Note 15
AMOLED

Resolution

Galaxy M55
—
Note 15
2392 × 1080

Refresh rate

Galaxy M55
—
Note 15
120 Hz

Peak brightness

Galaxy M55
—
Note 15
3200 nits

Performance

Chipset

Galaxy M55
—
Note 15
MediaTek Helio G100-Ultra

RAM

Galaxy M55
—
Note 15
6 GB, 8 GB

Storage

Galaxy M55
—
Note 15
128 GB, 256 GB, 512 GB

Expandable storage

Galaxy M55
—
Note 15
Yes

Cameras

Main camera

Galaxy M55
—
Note 15
Wide · 108 MP · ƒ/1.76

Depth camera

Galaxy M55
—
Note 15
Depth · 2 MP · ƒ/2.4

Front cameras

Galaxy M55
—
Note 15
Front · 20 MP

Battery & charging

Typical capacity

Galaxy M55
—
Note 15
6000 mAh

Wired charging

Galaxy M55
—
Note 15
33 W

Connectivity

Cellular

Galaxy M55
—
Note 15
LTE

Wi‑Fi

Galaxy M55
—
Note 15
Wi-Fi 5

Bluetooth

Galaxy M55
—
Note 15
Bluetooth 5.3

NFC

Galaxy M55
—
Note 15
Yes

Build & durability

Ingress protection

Galaxy M55
—
Note 15
IP64

Key differences

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

  • Width

    Galaxy M55

    1.1 mm wider · minor difference

  • Weight

    Galaxy M55

    4 g lighter · minor difference

  • Height

    Very similar height

  • Thickness

    Very similar thickness

View Galaxy M55 detailsView Note 15 details

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
Read user experience

Note 15

Strengths

  • 6000mAh battery on Helio G100-Ultra
  • IP64 durability upgrade over entry Note 14
  • 6.77-inch 3200-nit AMOLED brightness

Compromises

  • Camera gains feel incremental over Note 14
  • Limited long-term reliability data
  • HyperOS 2 promotional clutter persists
Read user experience

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Dimensions and weight are based on manufacturer specifications. Handling estimates are derived from physical measurements. Methodology