Samsung Galaxy M21 vs OnePlus 6

Here you can compare Samsung Galaxy M21 and OnePlus 6. Comparing Samsung Galaxy M21 vs OnePlus 6 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Samsung Galaxy M21 stands against OnePlus 6 and which one should you buy The current lowest price found for Samsung Galaxy M21 is ₹14,980 and for OnePlus 6 is ₹34,999. The details of both of these products were last updated on Dec 01, 2025.

SpecificationSamsung Galaxy M21OnePlus 6
Rear Camera48 MP ƒ/2 (Wide Angle)
8 MP ƒ/2.2 (Ultra Wide)
5 MP ƒ/2.2 (Depth Sensor)
16 MP + 20 MP
Battery6000 mAh, Li-Po Battery3300 mAh, Li-Po Battery
CPU2.3 GHz, Octa Core Processor2.8 GHz, Octa Core Processor
RAM4 GB6 GB
OSAndroid v10.0, upgradable to v11Android v8.1 (Oreo), upgradable to v10
Price₹14,980₹34,999
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Samsung Galaxy M21
Samsung Galaxy M21₹14,98015%
# 1
OnePlus 6
OnePlus 6₹34,999
# 1
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Samsung Galaxy M21
Samsung Galaxy M21₹14,98015%
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OnePlus 6
OnePlus 6₹34,999
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Overview

Specs Score74 / 10074 / 100
Display Resolution1080 x 2340 pixels
Better Resolution
1080 x 2280 pixels
Screen To Body Ratio~ 84.2%
Less Bezels
RAM4 GB6 GB
More RAM
CPU Clock Speed2.3 GHz2.8 GHz
Faster Clock Speed
Rear Camera48 MP + 8 MP + 5 MP Triple
Better Camera Resolution
20 MP + 16 MP Dual
Front Camera20 MP
Better Front Camera Resolution
16 MP
Weight188 g177 g
Lighter
Thickness8.9 mm7.8 mm
Slimmer
Battery6000 mAh
Bigger Battery
3300 mAh
Unique Features
Fast Charging
FM Radio
No
Memory Card Support
No
No
NFC
No

General

ModelGalaxy M21
Sim TypeDual Sim, GSM+GSMDual Sim, GSM+GSM
Dual SimYesYes
Sim SizeNano+Nano SIMNano SIM
Device TypeSmartphoneSmartphone
Release DateMarch 18, 2020May, 2018

Design

Dimensions75.1 x 159 x 8.9 mm75.4 x 155.69 x 7.8 mm
Weight188 g177 g

Display

TypeColor Super AMOLED Screen (16M Colors)Color AMOLED Screen (16M colors Colors)
TouchYesYes
Size6.4 inches, 1080 x 2340 pixels6.28 inches, 1080 x 2280 pixels
Aspect Ratio19.5:919:9
PPI~ 403 PPI~ 402 PPI
Screen to Body Ratio~ 84.2%
Glass TypeCorning Gorilla Glass 3
Features420 nits (peak)Corning Gorilla Glass 5 Screen Protection
NotchYes, Water Drop Notch

Memory

RAM4 GB6 GB
Storage64 GB64 GB
Card SlotYes, upto 512 GBNo

Connectivity

GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
VoLTEYesYes
WifiYes, with wifi-hotspotYes, with wifi-hotspot
BluetoothYes, v5.0Yes, v5.0
USBYes, USB-C v2.0Yes, Type-C 1.0 reversible connector v2.0
USB FeaturesUSB on-the-go, USB Charging

Extra

GPSYes, with A-GPS, GLONASS, GALILEO, BDSYes, with A-GPS Support
Fingerprint SensorYes, RearYes
Face UnlockYesYes
SensorsAccelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light SensingAccelerometer, Gyroscope, Compass
3.5mm Headphone JackYesYes
NFCYes
ExtraDLNA

Camera

Rear Camera48 MP ƒ/2 (Wide Angle)
8 MP ƒ/2.2 (Ultra Wide)
5 MP ƒ/2.2 (Depth Sensor)
16 MP + 20 MP
Auto FocusYesYes
FeaturesPanorama, HDRFace detection, Geo tagging, Panorama, Touch to focus
Video Recording4K @ 30 fps UHD, 1080p @ 30 fps FHD4K @ 60 fps UHD
FlashYes, LEDYes, Dual LED
Front Camera20 MP ƒ/2 (Wide Angle)16 MP
Front Video Recording1080p @ 30 fps FHD

Technical

OSAndroid v10.0, upgradable to v11Android v8.1 (Oreo), upgradable to v10
ChipsetSamsung Exynos 9611Qualcomm Snapdragon 845
CPU2.3 GHz, Octa Core Processor2.8 GHz, Octa Core Processor
Core Details4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53
GPUMali-G72 MP3Adreno 630
JavaNoYes, via 3rd party
BrowserYes, supports HTML5Yes, supports HTML

Multimedia

SupportsMMS, Instant Messaging
EmailYesYes, with Push Email
MusicMP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTAMP3, eAAC+, WMA, WAV, FLAC
VideoMP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBMDivX, MP4
FM RadioYesNo
Document ReaderYesYes

Battery

TypeNon-Removable BatteryNon-Removable Battery
Size6000 mAh, Li-Po Battery3300 mAh, Li-Po Battery
Fast ChargingYes, 15W Fast Charging

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