Product
Xiaomi Redmi K50i
Xiaomi Redmi K50i
Apple iPhone 8
Apple iPhone 8
Battery
Charging 67W wired, 50% in 15 min, 100% in 46 min 15W wired, PD2.0, 50% in 30 minWireless (Qi)
Talk time - Up to 14 h (3G)
Type Li-Po 5080 mAh Li-Ion 1821 mAh, non-removable (6.96 Wh)
Body
Build - Glass front (Corning-made glass), glass back (Corning-made glass), aluminum frame
Dimensions 163.6 x 74.3 x 8.9 mm (6.44 x 2.93 x 0.35 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
Weight 200 g (7.05 oz) 148 g (5.22 oz)
  - IP67 dust/water resistant (up to 1m for 30 min)Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.3, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC No Yes
Positioning GPS (L1), GLONASS (L1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1) GPS, GLONASS, GALILEO, QZSS
Radio No No
USB USB Type-C 2.0, OTG Lightning, USB 2.0
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, dual-band, hotspot
Display
Protection Corning Gorilla Glass 5 Ion-strengthened glass
Resolution 1080 x 2460 pixels (~407 ppi density) 750 x 1334 pixels, 16:9 ratio (~326 ppi density)
Size 6.6 inches, 103.4 cm2 (~85.1% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~65.4% screen-to-body ratio)
Type FFS LCD, 144Hz, HDR10, Dolby Vision, 500 nits (typ), 650 nits (HBM) Retina IPS LCD, 625 nits (typ)
  - 3D Touch display & home button
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, gyro, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2022, July 20 2017, September 12. Released 2017, September 22
Status Available. Released 2022, July 23 Discontinued
Main Camera
Features Color spectrum sensor, LED flash, HDR, panorama Quad-LED dual-tone flash, HDR
Single - 12 MP, f/1.8, 28mm (wide), PDAF, OIS
Triple 64 MP, f/1.9, (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide) 2 MP, f/2.4, (macro) -
Video 4K@30fps, 1080p@30/60fps 4K@24/30/60fps, 1080p@30/60/120/240fps
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 64GB 2GB RAM, 128GB 2GB RAM, 256GB 2GB RAM
  UFS 3.1 NVMe
Misc
Colors Phantom Blue, Stealth Black, Quick Silver Silver, Space Gray, Gold, Red
Models 22041216I A1863, A1905, A1906, A1907, iPhone10,1, iPhone10,4
SAR - 1.32 W/kg (head)     1.36 W/kg (body)    
SAR EU - 1.19 W/kg (head)     1.17 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, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA -
Speed HSPA, LTE (CA), 5G HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
Platform
Chipset Mediatek Dimensity 8100 (5 nm) Apple A11 Bionic (10 nm)
CPU Octa-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Hexa-core (2x Monsoon + 4x Mistral)
GPU Mali-G610 MC6 Apple GPU (three-core graphics)
OS Android 12, upgradable to Android 13, MIUI 14 iOS 11, up to iOS 16.7.11
Selfie camera
Features - Face detection, HDR, panorama
Single 16 MP, f/2.5, (wide) 7 MP, f/2.2
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -
Tests
Audio quality - Noise -93.5dB / Crosstalk -80.4dB
Battery (old) - Endurance rating 66h
Camera - Photo / Video
Display - Contrast ratio: 1395:1 (nominal), 3.957 (sunlight)
Loudspeaker - Voice 71dB / Noise 77dB / Ring 80dB
Performance - AnTuTu: 237594 (v7)GeekBench: 10214 (v4.4)GFXBench: 20fps (ES 3.1 onscreen)