Product
Oppo A9
Oppo A9
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 4020 mAh, non-removable Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build Glass front (Gorilla Glass 5), plastic back, plastic frame Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 162 x 76.1 x 8.3 mm (6.38 x 3.00 x 0.33 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 190 g (6.70 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 4.2, A2DP, LE 4.0, A2DP, LE
NFC Yes -
Positioning GPS, GLONASS, BDS GPS, A-GPS, GLONASS
Radio FM radio No
USB microUSB 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 5 Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.53 inches, 104.7 cm2 (~84.9% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type IPS LCD, 480 nits (typ) IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2019, April. Released 2019, April 2011, October 04. Released 2011, October 14
Status Discontinued Discontinued
Main Camera
Dual 16 MP, f/1.8, (wide), 1/2.8", 1.12µm, AF 2 MP, f/2.4, (depth) -
Features Dual-LED dual-tone flash, panorama, HDR LED flash, panorama, HDR
Single - 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  eMMC 5.1 -
Misc
Colors Mica Green, Ice Jade White, Fluorite Purple Black, White
Models PCAM10, CPH1938 A1431, A1387, iPhone4,1
SAR 1.19 W/kg (head)     0.60 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 850 / 900 / 1700(AWS) / 1800 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 4, 5, 8, 34, 38, 39, 40, 41 -
Speed HSPA 42.2/11.5 Mbps, LTE Cat4 150/75 Mbps HSPA 14.4/5.76 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / CDMA / HSPA / EVDO
  1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - India CDMA2000 1xEV-DO
Platform
Chipset Mediatek MT6771V Helio P70 (12 nm) Apple A5 (45 nm)
CPU Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G72 MP3 PowerVR SGX543MP2
OS Android 9.0 (Pie), ColorOS 6 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Features HDR -
Single 16 MP, f/2.0, 26mm (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
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