Product
Xiaomi Poco M4 Pro 5G
Xiaomi Poco M4 Pro 5G
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 33W wired, 100% in 59 min -
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type Li-Po 5000 mAh Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 163.6 x 75.8 x 8.8 mm (6.44 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 195 g (6.88 oz) 140 g (4.94 oz)
  IP53 dust protected and water resistant (vertical water sprays) Scratch-resistant glass back panel
Comms
Bluetooth 5.1, A2DP, LE 4.0, A2DP, LE
Infrared port Yes -
NFC Yes (market/region dependent) -
Positioning GPS, GLONASS, GALILEO, BDS GPS, A-GPS, GLONASS
Radio FM radio 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, hotspot
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.6 inches, 105.2 cm2 (~84.8% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type IPS LCD, 90Hz, 450 nits (typ) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2021, November 09 2011, October 04. Released 2011, October 14
Status Available. Released 2021, November 11 Discontinued
Main Camera
Dual 50 MP, f/1.8, 26mm (wide), PDAF 8 MP, f/2.2, 119˚ (ultrawide) -
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single - 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 1080p@30/60fps 1080p@30fps
Memory
Card slot microSDXC No
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  UFS 2.2 -
Misc
Colors Poco Yellow, Power Black, Cool Blue Black, White
Models 21091116AG, MZB0BGVIN A1431, A1387, iPhone4,1
SAR 1.07 W/kg (head)     1.09 W/kg (body)     1.18 W/kg (head)     0.98 W/kg (body)    
SAR EU 0.59 W/kg (head)     1.00 W/kg (body)     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 - International HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 40, 41, 66 - International -
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA - International -
Speed HSPA, LTE (CA), 5G HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO
  1, 3, 5, 8, 28, 40, 78 SA/NSA - India CDMA2000 1xEV-DO
Our Tests
Battery (old) Endurance rating 123h -
Camera Photo / Video -
Display 1553:1 contrast ratio, 510 nits max brightness (measured) -
Loudspeaker -24.9 LUFS (Very good) -
Performance AnTuTu: 296721 (v8), 353663 (v9) GeekBench: 1797 (v5.1) GFXBench: 13fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 810 (6 nm) Apple A5 (45 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G57 MC2 PowerVR SGX543MP2
OS Android 11, upgradable to Android 12, MIUI 13 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Features Panorama -
Single 16 MP, f/2.5, (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, with stereo speakers Yes
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