Samsung Galaxy S8 vs Xiaomi Redmi K40

Price Comparison (India)

Manufacturer
Samsung	Xiaomi
Announced
March 2017	2021, February 25
Status
Available - April 2017	Coming soon. Exp. release 2021, March
Price
Rs. 57,900 ($720.00) [Similarly Priced]	-
Colors
Black, White, Gold, Silver, Pink Gold	Black, White, Aurora
Form Factor
Candybar	Candybar
Dimension
148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in)	163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Weight
155 g (5.47 oz)	196 g (6.91 oz)
SIM Type
Dual-SIM	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
3G Network
HSDPA	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network
LTE	1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42
5G Network
-	1, 3, 28, 38, 41, 77, 78 SA/NSA
Messaging
SMS, MMS, EMail, IM
Build Features
-	- Fingerprint Sensor (side-mounted)
Notification LED
Yes	-

OS
Android OS, v7.0 (Nougat)	Android 11
User Interface
-	MIUI 12
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 [Similar]	Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) [Similar]
GPU
Adreno 540 [Similar]	Adreno 650 [Similar]
RAM
4 GB [Browse Similar]	12 GB [Browse Similar]
Internal Memory
64 GB	256 GB
External Memory
microSD, up to 256 GB (dedicated slot)	No

Type
Super AMOLED capacitive touchscreen, Gorilla Glass 5	FHD+ IPS LCD Screen 144Hz Refresh Rate HDR10 Corning Gorilla Glass
Colors
16M colors	16M Colour
Size
5.8 inches [Similar]	6.67 inches [Similar]
Resolution
1440 x 2960 pixels (568 ppi)	1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio
84.06%	85.70%
Multi-Touch

Rear Camera
12 MP [Similar]	48 MP + 8 MP + 5 MP [Similar]
Flash
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	48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, 119˚ (ultrawide) 5 MP, 50mm (macro), 1/5.0", 1.12µm HDR, panorama
Video
2160p@60fps, 1080p@120fps, HDR, dual-video rec.	4K@30fps, 1080p@30/60/120fps; gyro-EIS
Front Camera
8 MP, AF [Similar]	20 MP, f/2.0, (wide), 1/3", 0.9µm HDR 1080p@30fps, 720p@120fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, LTE, VoLTE	HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth
v4.2, A2DP, LE, aptX	5.1, A2DP, LE, aptX HD
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/6, dual-band, Wi-Fi Direct, hotspot
USB
v3.1, Type-C 1.0 reversible connector	USB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS, BDS	Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS
Browser
HTML5	Yes

Internal
64 GB, 4 GB RAM	256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 8 GB RAM UFS 3.1
Expandable Storage
microSD, up to 256 GB (dedicated slot)	No
USB OTG
Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

Barometer Sensor

Heart-rate Sensor

NFC

Type
Non-removable Li-Ion battery	Non-removable Li-Po Battery Fast battery charging 33W, 100% in 52 min (advertised) Power Delivery 3.0 Quick Charge 3+
Capacity
3000 mAh	4520 mAh
Stand by
-	-
Talk Time
-	-