Product
Xiaomi Redmi 10X 5G
Xiaomi Redmi 10X 5G
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 22.5W wired -
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type Li-Po 4520 mAh Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5) Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 164.2 x 75.8 x 9 mm (6.46 x 2.98 x 0.35 in) 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
SIM Nano-SIM + Nano-SIM Micro-SIM
Weight 205 g (7.23 oz) 140 g (4.94 oz)
  Water-repellent coating Scratch-resistant glass back panel
Comms
Bluetooth 5.1, A2DP, LE 4.0, A2DP, LE
Infrared port Yes -
NFC No -
Positioning GPS, GLONASS, GALILEO, BDS GPS, A-GPS, GLONASS
Radio FM radio; built-in antenna No
USB USB Type-C 2.0 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n, hotspot
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~401 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.57 inches, 104.2 cm2 (~83.7% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type AMOLED, HDR10+, 600 nits (typ) IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2020, May 26 2011, October 04. Released 2011, October 14
Status Available. Released 2020, June 01 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) -
Video 4K@30fps, 1080p@30/60fps, 720p@960fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  UFS 2.1 -
Misc
Colors Blue, Gold, Pink/Blue Black, White
Models - A1431, A1387, iPhone4,1
SAR - 1.18 W/kg (head)     0.98 W/kg (body)    
SAR EU - 0.99 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 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 -
5G bands 1, 3, 41, 78, 79 SA/NSA -
Speed HSPA, LTE, 5G HSPA 14.4/5.76 Mbps
Technology GSM / CDMA / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO
  CDMA 800 & TD-SCDMA CDMA2000 1xEV-DO
Platform
Chipset Mediatek Dimensity 820 (7 nm) Apple A5 (45 nm)
CPU Octa-core (4x2.6 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G57 MC5 PowerVR SGX543MP2
OS Android 10, MIUI 11 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Features HDR, panorama -
Single 16 MP, f/2.3, (wide), 1/3.06", 1.0µm VGA, videocalling over Wi-Fi and 3G
Video 1080p@30fps 480p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio -
Tests
Audio quality - Noise -91.2dB / Crosstalk -93.0dB
Battery (old) - Endurance rating 45h
Camera - Photo / Video
Display - Contrast ratio: 1261:1 (nominal) / 2.269:1 (sunlight)
Loudspeaker - Voice 65dB / Noise 64dB / Ring 74dB