Product
Samsung Galaxy M21s
Samsung Galaxy M21s
Xiaomi Redmi K70E
Xiaomi Redmi K70E
Battery
Charging 15W wired 90W wired, PD3.0, QC2, 100% in 34 min
Type Li-Po 6000 mAh Li-Po 5500 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame -
Dimensions 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 160.5 x 74.3 x 8.1 mm (6.32 x 2.93 x 0.32 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 191 g (6.74 oz) 198 g (6.98 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE
Infrared port - Yes
NFC No Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)
Radio FM radio No
USB USB Type-C 2.0 USB Type-C, 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 3 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Size 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~90.1% screen-to-body ratio)
Type Super AMOLED, 420 nits (peak) OLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1800 nits (peak)
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, proximity, gyro, compass
Launch
Announced 2020, November 06 2023, November 29
Status Available. Released 2020, November 06 Available. Released 2023, November 29
Main Camera
Features LED flash, panorama, HDR LED flash, HDR, panorama
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth) 64 MP, (wide), 1/2.0", PDAF, OIS 8 MP, 120˚, (ultrawide) 2 MP, (macro)
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@24/30fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 64GB 4GB RAM, 128GB 6GB RAM 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
  eMMC 5.1 UFS 4.0
Misc
Colors Blue, Black Black, White, Mint
Models SM-F415F, SM-F415F/DS 2311DRK48C
SAR 0.38 W/kg (head)     -
SAR EU 0.48 W/kg (head)     1.13 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands - 1, 3, 5, 8, 28, 38, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Platform
Chipset Exynos 9611 (10 nm) Mediatek Dimensity 8300 Ultra (4 nm)
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (1x3.35 GHz Cortex-A715 & 3x3.20 GHz Cortex-A715 & 4x2.20 GHz Cortex-A510)
GPU Mali-G72 MP3 Mali G615-MC6
OS Android 10, One UI 2.5 Android 14, HyperOS
Selfie camera
Features HDR HDR, panorama
Single 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm 16 MP, (wide)
Video 1080p@30fps 1080p@30/60fps, gyro-EIS
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res audio