Product
Oppo F7 Youth
Oppo F7 Youth
Apple iPhone 4s
Apple iPhone 4s
Battery
Stand-by - Up to 200 h (3G)
Talk time - Up to 8 h (3G)
Type Li-Ion 3410 mAh, non-removable Li-Po 1432 mAh, non-removable (5.3 Wh)
Body
Build - Glass front (Corning-made glass), glass back, stainless steel frame
Dimensions 156.5 x 75.2 x 7.8 mm (6.16 x 2.96 x 0.31 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 155 g (5.47 oz) 140 g (4.94 oz)
  - Scratch-resistant glass back panel
Comms
Bluetooth 4.2, A2DP, LE 4.0, A2DP, LE
NFC No -
Positioning GPS GPS, A-GPS, GLONASS
Radio FM radio No
USB microUSB 2.0, OTG 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, hotspot
Display
Protection - Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2160 pixels, 18:9 ratio (~402 ppi density) 640 x 960 pixels, 3:2 ratio (~330 ppi density)
Size 6.0 inches, 92.9 cm2 (~78.9% screen-to-body ratio) 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Accelerometer, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2018, May. Released 2018, June 2011, October 04. Released 2011, October 14
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Single 13 MP, f/2.2, PDAF 8 MP, f/2.4, 35mm (standard), 1/3.2", 1.4µm, AF
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 64GB 4GB RAM 8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM, 64GB 512MB RAM
  eMMC 5.1 -
Misc
Colors Solar Red, Diamond Black Black, White
Models - 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 / 1700(AWS) / 1900 / 2100 - Taiwan HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41 - Taiwan -
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps HSPA 14.4/5.76 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO
  1, 3, 5, 7, 8, 38, 40, 41 - Asia Pacific CDMA2000 1xEV-DO
Platform
Chipset Mediatek MT6771 Helio P60 (12 nm) Apple A5 (45 nm)
CPU Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Dual-core 1.0 GHz Cortex-A9
GPU Mali-G72 MP3 PowerVR SGX543MP2
OS Android 8.1 (Oreo), ColorOS 5.2 iOS 5, upgradable to iOS 9.3.6
Selfie camera
Single 8 MP, f/2.2 VGA, videocalling over Wi-Fi and 3G
Video 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