Samsung Galaxy A40 vs Xiaomi Redmi Note 8T vs LG K51S

General Info

Manufacturer
Samsung	Xiaomi	LG
Announced
March 2019	November 2019	February 2020
Status
Coming Soon - April 2019	Coming Soon - November 2019	Coming Soon - March 2020
Colors
Black, White, Blue, Coral	Stellar blue, Moon white, Midnight gray	Titanium, Pink, Blue
Form Factor
Candybar	Candybar	Candybar
Dimension
144.3 x 69.1 x 7.9 mm (5.68 x 2.72 x 0.31 in)	161.1 x 75.4 x 8.6 mm (6.34 x 2.97 x 0.34 in)	165.2 x 76.7 x 8.2 mm (6.5 x 3.02 x 0.32 in)
Weight
-	200 g (7.05 oz)	-
SIM Type
Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-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	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
4G Network
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300)	LTE (unspecified)
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor	- Fingerprint Sensor MIL-STD-810G compliant

OS
Android 9.0 (Pie)	Android 9.0 (Pie)	Android 10.0
User Interface
-	MIUI 10	-
Processor
Octa-core (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm)	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SDM665 Snapdragon 665 (11 nm)	Octa-core 2.3 GHz,
GPU
Mali-G71	Adreno 610	-
RAM
4 GB	4 GB	3 GB
Internal Memory
64 GB	128 GB	64 GB
External Memory
microSD, up to 512 GB (dedicated slot)	microSD, up to 256 GB (dedicated slot)	microSDXC (dedicated slot)

Type
Super AMOLED Capacitive Touchscreen	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5	IPS LCD Capacitive Touchscreen
Colors
16M colors	16M colors	16M colors
Size
5.9 inches	6.3 inches	6.5 inches
Resolution
1080 x 2280 pixels (428 ppi)	1080 x 2340 pixels (409 ppi)	720 x 1600 pixels (270 ppi)
Screen-to-Body Ratio
86.97%	80.24%	80.46%
Multi-Touch

Rear Camera
16 MP + 5 MP	48 MP + 8 MP + 2 MP + 2 MP	32 MP + 5 MP + 2 MP + 2 MP
Flash
LED Flash	Led Flash	LED flash
Features
16 MP, f/2.0, PDAF 5 MP, f/2.2, 12mm, (ultrawide) Panorama, HDR	48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor HDR, Panorama	32 MP, (wide), PDAF 5 MP, (ultrawide) 2 MP (macro) 2 MP (depth) panorama, HDR
Video
2160p@30fps, 1080p@30fps	2160p@30fps, 1080p@30/60/120fps, gyro-EIS	1080p@30fps
Front Camera
25 MP, 1080p@30fps	13 MP, f/2.0, 1.12µm 1080p@30fps HDR, panorama	13 MP HDR 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps	HSPA 42.2/11.5 Mbps, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth
4.2, A2DP, LE	4.2, A2DP, LE	5.0, A2DP, LE
Wi-Fi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB
Type-C 1.0 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, BDS	Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS
Browser
Yes	Yes	Yes

Internal
64 GB, 4 GB RAM	128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 32 GB, 3 GB RAM	64 GB, 3 GB RAM
Expandable Storage
microSD, up to 512 GB (dedicated slot)	microSD, up to 256 GB (dedicated slot)	microSDXC (dedicated slot)
USB OTG
Supported	Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery	Non-removable Li-Po Battery Fast battery charging 18W	Non-removable Li-Po Battery
Capacity
3100 mAh	4000 mAh	4000 mAh
Stand by
-	-	-
Talk Time
-	-	-