Product
Xiaomi Redmi K30i 5G
Xiaomi Redmi K30i 5G
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 30W wired 45W wired
Type Li-Po 4500 mAh 5000 mAh
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame -
Dimensions 165.3 x 76.6 x 8.8 mm (6.51 x 3.02 x 0.35 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 208 g (7.34 oz) 180 g (6.35 oz)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.2, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5) GPS, GALILEO, GLONASS, BDS, QZSS
Radio Unspecified No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.67 inches, 107.4 cm2 (~84.8% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type IPS LCD, 120Hz, HDR10 Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2020, May 25 2024, September 24
Status Available. Released 2020, June 07 Available. Released 2024, September 26
Main Camera
Features Dual-LED flash, HDR, panorama LED flash, panorama, HDR
Quad 48 MP, f/1.9, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
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 4K@30fps, 1080p@30fps; gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.1 -
Misc
Colors Blue, White, Red, Purple 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 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G bands 41, 78 Sub6 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G (2+ Gbps DL) HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SM7250 Snapdragon 765G 5G (7 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 620 Adreno 644
OS Android 10, MIUI 11 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Dual 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm 2 MP, f/2.4, 1/5.0", 1.75µm, depth sensor -
Features HDR -
Single - 50 MP, f/2.4, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -