Product
Oppo A3
Oppo A3
Apple iPhone 4s
Apple iPhone 4s
Battery
Charging 45W wired, PD2.0, 50% in 30 min -
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type 5100 mAh Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build - Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 165.7 x 76 x 7.7 mm (6.52 x 2.99 x 0.30 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 187 g (6.60 oz) 140 g (4.94 oz)
  IP54 dust protected and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions Scratch-resistant glass back panel
Comms
Bluetooth 5.3, A2DP, LE 4.0, A2DP, LE
NFC No -
Positioning GPS, GALILEO, GLONASS, BDS, QZSS GPS, A-GPS, GLONASS
Radio No No
USB USB Type-C 2.0, OTG 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 b/g/n, hotspot
Display
Protection Panda glass Corning Gorilla Glass, oleophobic coating
Resolution 720 x 1604 pixels, 20:9 ratio (~264 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.67 inches, 107.2 cm2 (~85.2% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type IPS LCD, 120Hz, 1000 nits (HBM) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2024, August 20 2011, October 04. Released 2011, October 14
Status Available. Released 2024, August 20 Discontinued
Main Camera
Dual 50 MP, f/1.8, (wide), PDAF Auxiliary lens -
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 128GB 4GB RAM, 128GB 6GB RAM, 256GB 6GB RAM, 256GB 8GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  eMMC 5.1 -
Misc
Colors Ocean Blue, Nebula Red Black, White
Models CPH2683, CPH2693 A1431, A1387, iPhone4,1
SAR 1.05 W/kg (head)     0.78 W/kg (body)     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 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 40, 41 -
5G bands 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / EVDO
  - CDMA2000 1xEV-DO
Platform
Chipset Mediatek Dimensity 6300 (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 14, ColorOS 14 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 5 MP, f/2.2, (wide) 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