Product
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
₹31,171
Samsung Galaxy M55s
Samsung Galaxy M55s
₹28,999
Battery
Charging 100W wired, PD3.0 Bypass charging 45W wired
Type Si/C Li-Ion 7410 mAh 5000 mAh
Body
Build Glass front, aluminum frame -
Dimensions 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in) 163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 219 g (7.72 oz) 180 g (6.35 oz)
  IP68 dust tight and water resistant (immersible up to 2m for 30 min) -
Comms
Bluetooth 5.4, A2DP, LE, LHDC 5 5.2, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS GPS, GALILEO, GLONASS, BDS, QZSS
Radio Unspecified No
USB USB Type-C USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Scratch/drop-resistant glass -
Resolution 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak) Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2025, June 26 2024, September 24
Status Available. Released 2025, June 26 Available. Released 2024, September 26
Main Camera
Dual 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm -
Features Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama LED flash, panorama, HDR
Triple - 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP, f/2.4, (macro)
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 4.1 -
Misc
Colors Gray, White, Blue, Green Thunder Black, Coral Green
Models - SM-M558B, SM-M558B/DS
SAR - 0.93 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G bands 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Mediatek Dimensity 9400+ (3 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Immortalis-G925 Adreno 644
OS Android 15, HyperOS 2 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 20 MP, (wide), 1/2.0", 0.8µm 50 MP, f/2.4, (wide)
Video 1080p@30/60fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res & Hi-Res Wireless audio -
Offers No offers available See on Amazon