Phone Comparison - LG K10 LTE vs Xiaomi Redmi 5 Plus vs Samsung Galaxy S21 Ultra 5G

general General Info

Manufacturer LG Xiaomi Samsung
Announced January 2016 February 2018 2021, January 14
Status Available - January 2016 Available - February 2018 Coming soon. Exp. release 2021, January 29
Price Rs. 10,499 ($154.40) [Similarly Priced] Rs. 9,999 ($150.00) [Similarly Priced] Rs. 105,999 ($0.00) [Similarly Priced]
Colors White, Indigo, Gold Black, Gold, Rose Gold Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
Form Factor Candybar Candybar Candybar
Dimension 146 x 74.8 x 8.8 mm
(5.75 x 2.94 x 0.35 in)
158.5 x 75.5 x 8.1 mm
(6.24 x 2.97 x 0.32 in)
165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
Weight 140 g (4.94 oz) 180 g (6.35 oz ) 227 g (8.01 oz)
SIM Type - Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) LTE
5G Network - - SA/NSA/Sub6/mmWave
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor
- Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus support
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
Notification LED - Yes -

hardware Hardware and OS

OS Android OS, v5.1.1 (Lollipop) or Android OS, v6.0 (Marshmallow) Android 7.1.2 (Nougat) Android 11
User Interface - MIUI 9 One UI 3.0
Processor Quad-core 1.2 GHz Cortex-A53 Octa-core 1.8 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA
GPU Adreno 304 Adreno 506 Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 2 GB 3/4 GB 16 GB
Internal Memory 16 GB 32/64 GB 512 GB
External Memory microSD, up to 32 GB (dedicated slot) microSD, up to 128 GB (uses SIM 2 slot) microSDXC (uses shared SIM slot)

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 5.3 inches 5.99 inches 6.8 inches
Resolution 720 x 1280 pixels (277 ppi) 1080 x 2160 pixels (403 ppi) 1440 x 3200 pixels (516 ppi)
Screen-to-Body Ratio 70.96% 77.44% 89.46%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio, RDS FM radio FM radio (Snapdragon model only; market/operator dependent)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP 12 MP 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP
Flash LED flash LED Flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama Phase Detection Autofocus, f/2.0, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama 108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
auto-HDR, panorama
Video 1080p@30fps 1080p@30fps 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Front Camera 5 MP, f/2.4 [Similar] 5 MP, f/2.0, 1080p [Similar] 40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 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 HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth v4.1, A2DP, LE 4.2, A2DP, LE 5.2, A2DP, LE
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB 2.0 USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser HTML5 HTML5 Yes

memory User Memory

Internal 16 GB, 2 GB RAM 32/64 GB, 3/4 GB RAM 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1
Expandable Storage microSD, up to 32 GB (dedicated slot) microSD, up to 128 GB (uses SIM 2 slot) microSDXC (uses shared SIM slot)
USB OTG - Supported Supported

Apps Sensors

Fingerprint fingerprint not 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
Barometer Sensor barometer sensor barometer sensor not present barometer sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Removable Li-Ion Battery Non-removable Li-Po battery Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Capacity 2300 mAh 3300 mAh 5000 mAh
Stand by - - -
Talk Time - - -