Product
Motorola Moto G31
Motorola Moto G31
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 10W wired -
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 (Corning-made glass), glass back, stainless steel frame
Dimensions 161.9 x 73.9 x 8.6 mm (6.37 x 2.91 x 0.34 in) 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
SIM Nano-SIMNano-SIM + Nano-SIM Micro-SIM
Weight 181 g (6.38 oz) 140 g (4.94 oz)
  Water-repellent design Scratch-resistant glass back panel
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP, LE
NFC Yes -
Positioning GPS, GLONASS, GALILEO GPS, A-GPS, GLONASS
Radio FM radio 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, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.4 inches, 98.9 cm2 (~82.7% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type AMOLED IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2021, November 18 2011, October 04. Released 2011, October 14
Status Available. Released 2021, December 06 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 50 MP, f/1.8, (wide), 0.64µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
Misc
Colors Mineral Grey, Baby Blue Black, White
Models XT2173-3 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 800 / 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41 -
Speed HSPA 42.2/5.76 Mbps, LTE Cat7 300/150 Mbps HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO
  - CDMA2000 1xEV-DO
Platform
Chipset Mediatek MT6769Z Helio G85 (12 nm) Apple A5 (45 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G52 MC2 PowerVR SGX543MP2
OS Android 11, upgradable to Android 12 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 13 MP, f/2.2, (wide), 1.12µm VGA, videocalling over Wi-Fi and 3G
Video 1080p@30fps 480p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes 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