Product
Xiaomi Redmi K30S
Xiaomi Redmi K30S
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 33W wired, PD3.0, QC4 45W wired
Type Li-Po 5000 mAh 5000 mAh
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame -
Dimensions 165.1 x 76.4 x 9.3 mm (6.5 x 3.01 x 0.37 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 216 g (7.62 oz) 180 g (6.35 oz)
Comms
Bluetooth 5.1, A2DP, LE 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), NavIC GPS, GALILEO, GLONASS, BDS, QZSS
Radio No No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, 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 (~85.2% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type IPS LCD, 144Hz, HDR10, 500 nits (typ), 650 nits (peak) 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, October 27 2024, September 24
Status Available. Released 2020, November 11 Available. Released 2024, September 26
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, PDAF 13 MP, f/2.4, 123˚ (ultrawide), 1.12µm 5 MP, f/2.4, (macro), AF 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@24/30fps, 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 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 -
Misc
Colors Cosmic Black, Lunar Silver Thunder Black, Coral Green
Models M2007J3SC 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 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G bands 1, 3, 41, 78, 79 SA/NSA 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 / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1xEV-DO -
Platform
Chipset Qualcomm SM8250 Snapdragon 865 5G (7 nm+) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 650 Adreno 644
OS Android 10, MIUI 12 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm 50 MP, f/2.4, (wide)
Video 1080p@30fps, 720p@120fps 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 audio -