Product
Samsung Galaxy M20
Samsung Galaxy M20
Apple iPhone 6s Plus
Apple iPhone 6s Plus
Battery
Charging 15W wired -
Stand-by - Up to 384 h (3G)
Talk time - Up to 24 h (3G)
Type Li-Po 5000 mAh, non-removable Li-Ion 2750 mAh, non-removable (10.45 Wh)
Body
Build Glass front, plastic back, plastic frame Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 156.4 x 74.5 x 8.8 mm (6.16 x 2.93 x 0.35 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 4.2, A2DP, LE
NFC Yes (market/region dependent) Yes (Apple Pay only)
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, QZSS
Radio FM radio, RDS, recording No
USB USB Type-C 2.0 Lightning, USB 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
Display
Protection - Ion-strengthened glass, oleophobic coating
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.3 inches, 97.4 cm2 (~83.6% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~67.7% screen-to-body ratio)
Type PLS LCD IPS LCD
  - 3D Touch display
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2019, January 28 2015, September 09. Released 2015, September 25
Status Available. Released 2019, February Discontinued
Main Camera
Dual 13 MP, f/1.9, 1/3.1", 1.12µm, PDAF 5 MP, f/2.2, 12mm (ultrawide) -
Features LED flash, panorama, HDR Dual-LED dual-tone flash, HDR
Single - 12 MP, f/2.2, 29mm (standard), 1/3.0", 1.22µm, PDAF, OIS
Video 1080p@30fps 4K@30fps, 1080p@60fps, 1080p@120fps, 720p@240fps
Memory
Card slot microSDXC (dedicated slot) No
Internal 32GB 3GB RAM, 64GB 4GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM
  eMMC 5.1 NVMe
Misc
Colors Ocean Blue, Charcoal Black Space Gray, Silver, Gold, Rose Gold
Models SM-M205F, SM-M205FN, SM-M205G, SM-M205M, SM-M205N A1634, A1687, A1690, A1699, iPhone8,2
SAR - 1.12 W/kg (head)     1.14 W/kg (body)    
SAR EU 0.25 W/kg (head)     1.59 W/kg (body)     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 / 1900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30 - A1633
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/50 Mbps 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, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41 - A1634
Our Tests
Audio quality Noise -90.5dB / Crosstalk -91.7dB -
Battery (old) Endurance rating 103h -
Camera Photo / Video -
Display Contrast ratio: 1333:1 (nominal), 2.960 (sunlight) -
Loudspeaker Voice 67dB / Noise 66dB / Ring 68dB -
Performance AnTuTu: 108658 (v7) GeekBench: 4160 (v4.4) GFXBench: 4.4fps (ES 3.1 onscreen) -
Platform
Chipset Exynos 7904 (14 nm) Apple A9 (14/16 nm - maker dependant)
CPU Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53) Dual-core 1.84 GHz Twister
GPU Mali-G71 MP2 PowerVR GT7600 (six-core graphics)
OS Android 8.1 (Oreo), upgradable to Android 10, One UI 2 iOS 9, upgradable to iOS 15.8.1
Selfie camera
Features HDR Face detection, HDR, panorama
Single 8 MP, f/2.0, 25mm (wide) 5 MP, f/2.2, 31mm (standard)
Video 1080p@30fps 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes 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