Product
Xiaomi Poco M4 Pro
Xiaomi Poco M4 Pro
Apple iPhone 4 CDMA
Apple iPhone 4 CDMA
Battery
Charging 33W wired, PD3.0, QC3, 100% in 58 min -
Type Li-Po 5000 mAh Li-Po 1420 mAh, non-removable
Body
Build Glass front (Gorilla Glass 3), plastic frame, plastic back -
Dimensions 159.9 x 73.9 x 8.1 mm (6.30 x 2.91 x 0.32 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 179.5 g (6.31 oz) 137 g (4.83 oz)
  IP53 dust protected and water resistant (vertical water sprays) -
Comms
Bluetooth 5.0, A2DP, LE 2.1, A2DP
Infrared port Yes -
NFC Yes -
Positioning GPS, GLONASS, BDS, GALILEO GPS, A-GPS
Radio FM radio, recording No
USB USB Type-C 2.0, OTG 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 b/g/n
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.43 inches, 99.8 cm2 (~84.5% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type AMOLED, 90Hz, 700 nits, 1000 nits (peak) IPS LCD
Features
Browser - HTML5 (Safari)
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Accelerometer, gyro, proximity, compass
  Virtual proximity sensing iCloud cloud service MP3/WAV player MP4/H.264 player Document viewer
Launch
Announced 2022, February 28 2011, January. Released 2011, February
Status Available. Released 2022, March 16 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, HDR
Single - 5 MP, AF
Triple 64 MP, f/1.8, 26mm (wide), 0.7µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 16GB 512MB RAM, 32GB 512MB RAM
  UFS 2.2 -
Misc
Colors Power Black, Cool Blue, Poco Yellow Black, White
Models MZB0B5VIN, 2201117PI, 2201117PG iPhone 3,3
SAR 0.85 W/kg (head)     0.85 W/kg (body)     1.18 W/kg (head)     0.87 W/kg (body)    
SAR EU 0.59 W/kg (head)     0.84 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International CDMA2000 1xEV-DO
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International -
Speed HSPA, LTE (CA) EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE CDMA / EVDO
  1, 3, 5, 8, 40, 41 - India -
Our Tests
Battery (old) Endurance rating 126h -
Camera Photo / Video -
Display 737 nits max brightness (measured) -
Loudspeaker -25.2 LUFS (Very good) -
Performance AnTuTu: 318444 (v9) GeekBench: 1836 (v5.1) GFXBench: 12fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek MT6781 Helio G96 (12 nm) Apple A4 (45 nm)
CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) 1.0 GHz Cortex-A8
GPU Mali-G57 MC2 PowerVR SGX535
OS Android 11, MIUI 13 for POCO iOS 4, upgradable to iOS 7.1.1
Selfie camera
Features HDR -
Single 16 MP, f/2.5, (wide), 1/3.06" 1.0µm -
Video 1080p@30fps -
  - Videocalling over Wi-Fi only
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio -