Product
Samsung Galaxy M51
Samsung Galaxy M51
Xiaomi Redmi K70E
Xiaomi Redmi K70E
Battery
Charging 25W wired, 100% in 115 minReverse wired 90W wired, PD3.0, QC2, 100% in 34 min
Type Li-Po 7000 mAh Li-Po 5500 mAh
Body
Build Glass front (Gorilla Glass 3+), plastic back, plastic frame -
Dimensions 163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in) 160.5 x 74.3 x 8.1 mm (6.32 x 2.93 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 213 g (7.51 oz) 198 g (6.98 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)
Radio FM radio, RDS No
USB USB Type-C 2.0, OTG 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 2400 pixels, 20:9 ratio (~393 ppi density) 1220 x 2712 pixels, 20:9 ratio (~446 ppi density)
Size 6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~90.1% screen-to-body ratio)
Type Super AMOLED Plus OLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 1800 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, proximity, gyro, compass
Launch
Announced 2020, August 31 2023, November 29
Status Available. Released 2020, September 11 Available. Released 2023, November 29
Main Camera
Features LED flash, panorama, HDR LED flash, HDR, panorama
Quad 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth) -
Triple - 64 MP, (wide), 1/2.0", PDAF, OIS 8 MP, 120˚, (ultrawide) 2 MP, (macro)
Video 4K@30fps, 1080p@30fps 4K@24/30fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 6GB RAM, 128GB 8GB RAM 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM
  - UFS 4.0
Misc
Colors Celestial Black, Electric Blue, White Black, White, Mint
Models SM-M515F, SM-M515F/DSN 2311DRK48C
SAR 1.38 W/kg (head)     -
SAR EU 0.61 W/kg (head)     1.45 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, 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 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Platform
Chipset Qualcomm SDM730 Snapdragon 730G (8 nm) Mediatek Dimensity 8300 Ultra (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (1x3.35 GHz Cortex-A715 & 3x3.20 GHz Cortex-A715 & 4x2.20 GHz Cortex-A510)
GPU Adreno 618 Mali G615-MC6
OS Android 10, upgradable to Android 12, One UI 4.1 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 4K@30fps, 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
Tests
Battery (old) Endurance rating 156h -
Camera Photo / Video -
Display 677 nits max brightness (measured) -
Loudspeaker -28.5 LUFS (Average) -
Performance AnTuTu: 266620 (v8)GeekBench: 1774 (v5.1)GFXBench: 15fps (ES 3.1 onscreen) -