Product
Xiaomi Redmi K40 Pro+
Xiaomi Redmi K40 Pro+
Apple iPhone 11
Apple iPhone 11
Battery
Charging 33W wired, PD3.0, QC3, 100% in 52 min Wired, PD2.0, 50% in 30 min Wireless (Qi)
Type Li-Po 4520 mAh Li-Ion 3110 mAh, non-removable (11.91 Wh)
Body
Build - Glass front (Corning-made glass), glass back (Corning-made glass), aluminum frame (7000 series)
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 150.9 x 75.7 x 8.3 mm (5.94 x 2.98 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + eSIMNano-SIM + Nano-SIM (China)
Weight 196 g (6.91 oz) 194 g (6.84 oz)
  IP53 dust protected and water resistant (vertical water sprays) IP68 dust tight and water resistant (immersible up to 2m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.2, A2DP, LE 5.0, A2DP, LE
Infrared port Yes -
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) 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/6e, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot
Display
Protection Corning Gorilla Glass 5 Scratch-resistant glass
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 828 x 1792 pixels, 19.5:9 ratio (~326 ppi density)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) 6.1 inches, 90.3 cm2 (~79.0% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) Liquid Retina IPS LCD, 625 nits (typ)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Face ID, accelerometer, gyro, proximity, compass, barometer
  - Ultra Wideband (UWB) support
Launch
Announced 2021, February 25 2019, September 10
Status Available. Released 2021, March 04 Available. Released 2019, September 20
Main Camera
Dual - 12 MP, f/1.8, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.4, 120˚, 13mm (ultrawide), 1/3.6"
Features Color spectrum sensor, LED flash, HDR, panorama Dual-LED dual-tone flash, HDR (photo/panorama)
Triple 108 MP, f/1.8, 26mm (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm -
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+ 4K@24/30/60fps, 1080p@30/60/120/240fps, HDR, stereo sound rec.
Memory
Card slot No No
Internal 256GB 12GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
  UFS 3.1 NVMe
Misc
Colors Black, White, Aurora Black, Green, Yellow, Purple, Red, White
Models - A2221, A2111, A2223, iPhone12,1
SAR - 1.09 W/kg (head)     1.18 W/kg (body)    
SAR EU - 0.95 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, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 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 - A2221
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (CA) 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 - A2111, A2223
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Apple A13 Bionic (7 nm+)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Hexa-core (2x2.65 GHz Lightning + 4x1.8 GHz Thunder)
GPU Adreno 660 Apple GPU (4-core graphics)
OS Android 11, MIUI 12 iOS 13, upgradable to iOS 18.5
Selfie camera
Features HDR HDR
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 12 MP, f/2.2, 23mm (wide), 1/3.6", 1.0µm SL 3D, (depth/biometrics sensor)
Video 1080p@30fps, 720p@120fps 4K@24/30/60fps, 1080p@30/60/120fps, gyro-EIS
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -
Tests
Audio quality - Noise -94.2dB / Crosstalk -80.8dB
Battery (old) - Endurance rating 94h
Camera - Photo / Video
Display - 1505:1 contrast ratio, 644 nits max brightness (measured)
Loudspeaker - Voice 70dB / Noise 72dB / Ring 76dB
Performance - AnTuTu: 419453 (v7) GeekBench: 13882 (v4.4) GFXBench: 60fps (ES 3.1 onscreen)