Product
Oppo A53
Oppo A53
Apple iPhone 6s Plus
Apple iPhone 6s Plus
Battery
Charging 18W wired -
Stand-by - Up to 384 h (3G)
Talk time - Up to 24 h (3G)
Type Li-Po 5000 mAh Li-Ion 2750 mAh, non-removable (10.45 Wh)
Body
Build - Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 163.9 x 75.1 x 8.4 mm (6.45 x 2.96 x 0.33 in) 158.2 x 77.9 x 7.3 mm (6.23 x 3.07 x 0.29 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 186 g (6.56 oz) 192 g (6.77 oz)
  - Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 4.2, A2DP, LE
NFC No Yes (Apple Pay only)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, QZSS
Radio FM radio No
USB USB Type-C 2.0, OTG Lightning, USB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Display
Protection Corning Gorilla Glass 3 Ion-strengthened glass, oleophobic coating
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.5 inches, 102.0 cm2 (~82.9% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~67.7% screen-to-body ratio)
Type IPS LCD, 90Hz IPS LCD
  - 3D Touch display
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2020, August 20 2015, September 09. Released 2015, September 25
Status Available. Released 2020, August 25 Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-LED dual-tone flash, HDR
Single - 12 MP, f/2.2, 29mm (standard), 1/3.0", 1.22µm, PDAF, OIS
Triple 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Video 1080p@30fps 4K@30fps, 1080p@60fps, 1080p@120fps, 720p@240fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM
  UFS 2.1 NVMe
Misc
Colors Fairy White, Electric Black, Fancy Blue Space Gray, Silver, Gold, Rose Gold
Models CPH2127, CPH2131 A1634, A1687, A1690, A1699, iPhone8,2
SAR 0.77 W/kg (head)     0.97 W/kg (body)     1.12 W/kg (head)     1.14 W/kg (body)    
SAR EU - 0.93 W/kg (head)     0.98 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30 - A1633
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41 - A1634
Platform
Chipset Qualcomm SM4250 Snapdragon 460 (11 nm) Apple A9 (14/16 nm - maker dependant)
CPU Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240) Dual-core 1.84 GHz Twister
GPU Adreno 610 PowerVR GT7600 (six-core graphics)
OS Android 10, upgradable to Android 11 iOS 9, upgradable to iOS 15.8.1
Selfie camera
Features HDR Face detection, HDR, panorama
Single 16 MP, f/2.0, (wide), 1/3.06", 1.0µm 5 MP, f/2.2, 31mm (standard)
Video 1080p@30fps 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with stereo speakers Yes
  - 16-bit/44.1kHz audio
Tests
Audio quality - Noise -93.4dB / Crosstalk -71.1dB
Battery (old) - Endurance rating 85h
Camera - Photo / Video
Display - Contrast ratio: 1382:1 (nominal), 3.530 (sunlight)
Loudspeaker - Voice 65dB / Noise 65dB / Ring 64dB
Performance - Basemark OS II 2.0: 2261