Phone Comparison - Apple iPhone 6s vs Samsung Galaxy A51 vs Xiaomi Redmi Note 9 Pro (Global Version)

Price Comparison (India) -

general General Info

Manufacturer Apple Samsung Xiaomi
Announced September 2015 December 2019 April 2020
Status Available - September 2015 Coming Soon - December 12, 2019 Coming Soon - May 2020
Price Rs. 41,999 ($617.63) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced] -
Colors Space Gray, Silver, Gold, Rose Gold Prism Crush White, Black, Pink, Blue Tropical Green, Glacier White, Interstellar Gray
Form Factor Candybar Candybar Candybar
Dimension 138.3 x 67.1 x 7.1 mm
(5.44 x 2.64 x 0.28 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
Weight 143 g (5.04 oz) 172 g (6.07 oz) 209 g (7.37 oz)
SIM Type - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900
CDMA 800 / 1700 / 1900 / 2100
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700 / 1900 / 2100
CDMA2000 1xEV-DO
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700) - A1688
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(
LTE (unspecified) 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
SAR US 1.14 W/kg (head)
1.14 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
SAR EU 0.87 W/kg (head)
0.98 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint sensor (TouchID v2)
- 3D Touch display
- Apple Pay (Visa, MasterCard, AMEX certified)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS iOS 9 Android 9.0 (Pie) Android 10
User Interface - One UI MIUI 11
Processor 2 GHz Dual-core, Apple A9 Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm)
GPU - Mali-G72 MP3 Adreno 618
RAM 2 GB 8 GB 6 GB
Internal Memory 16/64/128 GB 128 GB 128 GB
External Memory No microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot)

display Display

Type LED-backlit IPS LCD, Capacitive Touchscreen, Ion-Strengthened Glass, Oleophobic Coating Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 6.5 inches 6.67 inches
Resolution 750 x 1334 pixels (326 ppi) 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio 65.45% 89.06% 84.28%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP, 4608 x 2592 pixels 48 MP + 12 MP + 5 MP + 5 MP 64 MP + 8 MP + 5 MP + 2 MP
Flash Real-tone Flash LED Flash LED flash
Features Phase-Detection AutoFocus, Geo-tagging, Simultaneous HD Video And Image Recording, Touch Focus, Face/smile Detection, HDR (Photo/Panorama) 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 119° (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), 1/5.0", 1.12µm, AF
2 MP, f/2.4, (depth)
HDR, panorama
Video 2160p@30fps, 1080p@60fps, 720p@240fps 2160p@30fps, 1080p@30fps 2160p@30fps, 1080p@30/60/120fps, 720p@960fps
Front Camera 5 MP, 1080p@30fps, 720p@240fps [Similar] 32 MP, f/2.0, 25mm (wide)
HDR
1080p@30fps [Similar]
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, EV-DO Rev.A 3.1 Mbps HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth v4.1, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB v2.0, reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 (Safari) Yes Yes

memory User Memory

Internal 16/64/128 GB, 2 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage No microSD, up to 512 GB (dedicated slot) microSDXC (dedicated slot)
USB OTG - Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery (6.9 Wh) Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 30W
Capacity 1715 mAh 4000 mAh 5020 mAh
Stand by Up to 240 h (3G) - -
Talk Time Up to 14 h (3G) - -