Product
Xiaomi Redmi K50 Ultra
Xiaomi Redmi K50 Ultra
Apple iPhone SE (2020)
Apple iPhone SE (2020)
Battery
Charging 120W wired, PD3.0, 100% in 19 min 18W wired, 50% in 30 min 7.5W wireless (Qi)
Type Li-Po 5000 mAh Li-Ion 1821 mAh (6.91 Wh)
Body
Build - Glass front, glass back, aluminum frame
Dimensions 163.1 x 75.9 x 8.6 mm (6.42 x 2.99 x 0.34 in) 138.4 x 67.3 x 7.3 mm (5.45 x 2.65 x 0.29 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + eSIM
Weight 202 g (7.13 oz) 148 g (5.22 oz)
  - IP67 dust/water resistant (up to 1m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.2, A2DP, LE, aptX HD, aptX Adaptive 5.0, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) GPS, GLONASS
Radio No No
USB USB Type-C 2.0, OTG Lightning, USB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot
Display
Protection - Ion-strengthened glass
Resolution 1220 x 2712 pixels, 20:9 ratio (~446 ppi density) 750 x 1334 pixels, 16:9 ratio (~326 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.7% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~65.4% screen-to-body ratio)
Type OLED, 68B colors, 144Hz, HDR10+, Dolby Vision Retina IPS LCD, 625 nits (typ)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, proximity, gyro, compass, barometer
Launch
Announced 2022, August 11 2020, April 15
Status Available. Released 2022, August 25 Available. Released 2020, April 24
Main Camera
Features Color spectrum sensor, LED flash, HDR, panorama Quad-LED dual-tone flash, HDR, panorama
Single - 12 MP, f/1.8 (wide), PDAF, OIS
Triple 108 MP, f/1.6, (wide), 1/1.67", PDAF, OIS 8 MP, f/2.2, 120˚, (ultrawide) 2 MP, f/2.4, (macro) -
Video 4K@30/60fps, 1080p@30/60/120/240/960fps 4K@24/30/60fps, 1080p@30/60/120/240fps, HDR, OIS, stereo sound rec.
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM 64GB 3GB RAM, 128GB 3GB RAM, 256GB 3GB RAM
  UFS 3.1 NVMe
Misc
Colors Black, Gray, Blue, Mercedes AMG Black, White, Red
Models 22081212C A2275, A2296, A2298, iPhone12,8
SAR - 1.17 W/kg (head)     1.16 W/kg (body)    
SAR EU - 0.98 W/kg (head)     0.99 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 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66 - A2296
5G bands 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (5CA) Cat16 1024/150 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE
  CDMA2000 1x 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71 - A2275, A2298
Platform
Chipset Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) Apple A13 Bionic (7 nm+)
CPU Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) Hexa-core (2x2.65 GHz Lightning + 4x1.8 GHz Thunder)
GPU Adreno 730 Apple GPU (4-core graphics)
OS Android 12, MIUI 13 iOS 13, upgradable to iOS 18.5
Selfie camera
Features HDR HDR
Single 20 MP, (wide) 7 MP, f/2.2
Video 1080p@30/60fps, 720p@120fps 1080p@30fps; gyro-EIS
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio Snapdragon Sound -
Tests
Battery (old) - Endurance rating 59h
Camera - Photo / Video
Display - 1544:1 contrast ratio, 670 nits max brightness (measured)
Loudspeaker - -24.1 LUFS (Very good)
Performance - AnTuTu: 462253 (v8) GeekBench: 3237 (v5.1)