Xiaomi Redmi 4 vs Samsung Galaxy A21

Here you can compare Xiaomi Redmi 4 and Samsung Galaxy A21. Comparing Xiaomi Redmi 4 vs Samsung Galaxy A21 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi Redmi 4 stands against Samsung Galaxy A21 and which one should you buy The current lowest price found for Xiaomi Redmi 4 is ₹6,999 and for Samsung Galaxy A21 is ₹13,990. The details of both of these products were last updated on Mar 21, 2024.

SpecificationXiaomi Redmi 4Samsung Galaxy A21
RAM2 GB3 GB
Battery4100 mAh, Li-Po Battery4000 mAh, Li-Po Battery
Internal Memory16 GB32 GB
Rear Camera13 MP f/2 with autofocus16 MP f/1.8 (Wide Angle)
8 MP f/2.2 (Ultra Wide)
2 MP f/2.4 (Macro)
2 MP f/2.4 (Depth Sensor)
Display5 inches, 720 x 1280 pixels6.5 inches, 720 x 1600 pixels
Price₹6,999₹13,990
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Overview

Specs Score55 / 10071 / 100
Better Specs
Display Size5 in6.5 in
Bigger Display
Display Resolution720 x 1280 pixels720 x 1600 pixels
Better Resolution
Screen To Body Ratio~ 70.7%~ 79.3%
Less Bezels
RAM2 GB3 GB
More RAM
Storage16 GB32 GB
More Storage
CPU Clock Speed1.4 GHz2.3 GHz
Faster Clock Speed
Rear Camera13 MP16 MP Quad
Better Camera Resolution
Front Camera5 MP13 MP
Better Front Camera Resolution
Weight150 g
Lighter
193 g
Thickness8.7 mm8.1 mm
Slimmer
Unique Features
No
No
IR Blaster
Fast Charging
NFC
No

General

Sim TypeDual Sim, GSM+GSM (Hybrid Slot)Dual Sim, GSM+GSM
Dual SimYesYes
Sim SizeNano+Micro SIMNano+Nano SIM
Device TypeSmartphoneSmartphone
Release DateMay 23, 2017April 08, 2020

Design

Dimensions70 x 139.2 x 8.7 mm76.7 x 167.8 x 8.1 mm
Weight150 g193 g

Display

TypeColor IPS LCD Screen (16M colors Colors)Color IPS LCD Screen (16M Colors)
TouchYesYes
Size5 inches, 720 x 1280 pixels6.5 inches, 720 x 1600 pixels
Aspect Ratio16:920:9
PPI~ 294 PPI~ 270 PPI
Screen to Body Ratio~ 70.7%~ 79.3%
NotchYes, Punch Hole

Memory

RAM2 GB3 GB
Storage16 GB32 GB
Card SlotYes, (Hybrid Slot), upto 128 GBYes

Connectivity

GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
VoLTEYesYes, Dual Stand-By
WifiYes, with wifi-hotspotYes, with wifi-hotspot
BluetoothYes, v4.2, A2DP, LEYes, v5.0, A2DP, LE
USBYes, microUSB v2.0Yes, USB-C v2.0
USB FeaturesUSB Tethering, USB on-the-go, USB Charging
IR BlasterYes

Extra

GPSYes, with A-GPS SupportYes, with A-GPS, GLONASS, BDS
Fingerprint SensorYes, RearYes, Rear
Face UnlockYes
SensorsAccelerometer, Gyroscope, CompassAccelerometer, Gyro, Proximity, Compass
3.5mm Headphone JackYesYes
NFCYes, Yes (market/region dependent)

Camera

Rear Camera13 MP f/2 with autofocus16 MP f/1.8 (Wide Angle)
8 MP f/2.2 (Ultra Wide)
2 MP f/2.4 (Macro)
2 MP f/2.4 (Depth Sensor)
FeaturesFace detection, Smile detection, Geo tagging, Panorama, Touch to focusPanorama, HDR
Video Recording1080p @ 30 fps FHD1080p @ 30 fps FHD
FlashYes, LEDYes, LED
Front Camera5 MP f/2.2Punch Hole 13 MP f/2 (Wide Angle)
Front Video Recording1080p @ 30 fps FHD1080p @ 30 fps FHD

Technical

OSAndroid v6.0.1 (Marshmallow), upgradable to v7.1.2 (Nougat)Android v10
ChipsetQualcomm Snapdragon 435Mediatek Helio P35
CPU1.4 GHz, Octa Core Processor2.3 GHz, Octa Core Processor
Core DetailsCortex-A534x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53
GPUAdreno 505PowerVR GE8320
JavaNoNo
BrowserYes, supports HTML5Yes

Multimedia

SupportsMMS, Instant Messaging
EmailYes, with Push EmailYes
MusicMP3, WAV, eAAC+, FLACYes
VideoDivX, MP4Yes
FM RadioYesYes
Document ReaderYesYes

Battery

TypeNon-Removable BatteryNon-Removable Battery
Size4100 mAh, Li-Po Battery4000 mAh, Li-Po Battery
Fast ChargingYes, 15W Fast Charging
Music Playback Time87 hours

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