Phone Comparison - Samsung Galaxy S8 vs Xiaomi Mi A1 vs Xiaomi Redmi 5a

Price Comparison (India) -

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced March 2017 September 2017 October 2017
Status Available - April 2017 Coming Soon - September 2017 Available - October 2017
Price Rs. 57,900 ($720.00) [Similarly Priced] Rs. 14,999 ($245.00) [Similarly Priced] Rs. 4,999 ($90.00) [Similarly Priced]
Colors Black, White, Gold, Silver, Pink Gold Gold, Pink, Black Gold, Rose Gold, Gray
Form Factor Candybar Candybar Candybar
Dimension 148.9 x 68.1 x 8 mm
(5.86 x 2.68 x 0.31 in)
155.4 x 75.8 x 7.3 mm
(6.12 x 2.98 x 0.29 in)
140.4 x 70.1 x 8.4 mm
(5.53 x 2.76 x 0.33 in)
Weight 155 g (5.47 oz) 165 g (5.82 oz) 137 g (4.83 oz)
SIM Type Dual-SIM Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
3G Network HSDPA HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor -
Notification LED Yes Yes Yes

hardware Hardware and OS

OS Android OS, v7.0 (Nougat) Android OS, v7.1.1 Nougat Android 7.1 (Nougat)
User Interface - Android One (Stock Android) MIUI 9
Processor Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo)
Octa-core (4x2.3 GHz & 4x1.7 GHz), Qualcomm MSM8998 Snapdragon 835
Exynos 8895 Octa
Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425
GPU Adreno 540 Adreno 506 Adreno 308
RAM 4 GB 4 GB 2 GB
Internal Memory 64 GB 64 GB 16 GB
External Memory microSD, up to 256 GB (dedicated slot) microSD, up to 128 GB microSD, up to 256 GB (uses SIM 2 slot)

display Display

Type Super AMOLED capacitive touchscreen, Gorilla Glass 5 IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.8 inches 5.5 inches 5.0 inches
Resolution 1440 x 2960 pixels (568 ppi) 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 84.06% 70.63% 69.89%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No N/A FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 12 MP Dual 12 MP 13 MP
Flash Dual-LED (Dual Tone) Dual-LED (Dual Tone) LED Flash
Features Phase Detection Autofocus, OIS, f/1.7 aperture, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama Phase Detection Autofocus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR, Wide-angle lens - 12MP, 1.25μm, f/2.2 aperture; Telephoto lens - 12MP, 1.0μm, f/2.6 aperture Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama
Video 2160p@60fps, 1080p@120fps, HDR, dual-video rec. 2160p@30fps, 1080p@30fps, 720p@120fps 1080p@30fps
Front Camera 8 MP, AF [Similar] 16 MP [Similar] 5 MP, f/2.0 [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE HSPA, LTE, VoLTE
Bluetooth v4.2, A2DP, LE, aptX v4.2, A2DP, LE 4.1, A2DP, LE
Wi-Fi 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, WiFi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB v3.1, Type-C 1.0 reversible connector Type-C 1.0 reversible connector, USB On-The-Go microUSB 2.0
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 64 GB, 4 GB RAM 64 GB, 4 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 256 GB (dedicated slot) microSD, up to 128 GB microSD, up to 256 GB (uses SIM 2 slot)
USB OTG Supported Yes Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Light Sensor light sensor present light sensor present light sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor not present
Barometer Sensor barometer sensor present barometer sensor barometer sensor not present
Heart-rate Sensor heart rate sensor present heart rate sensor heart rate sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3000 mAh 3080 mAh 3000 mAh
Stand by - - -
Talk Time - - -