Realme 7i (4GB RAM + 128GB) vs Samsung Galaxy M21 2021

Here you can compare Realme 7i (4GB RAM + 128GB) and Samsung Galaxy M21 2021. Comparing Realme 7i (4GB RAM + 128GB) vs Samsung Galaxy M21 2021 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme 7i (4GB RAM + 128GB) stands against Samsung Galaxy M21 2021 and which one should you buy The current lowest price found for Realme 7i (4GB RAM + 128GB) is ₹14,249 and for Samsung Galaxy M21 2021 is ₹14,499. The details of both of these products were last updated on Jun 23, 2026.

Specification	Realme 7i (4GB RAM + 128GB)	Samsung Galaxy M21 2021
OS	Android v10, upgradable to v11	Android v11
Internal Memory	128 GB	64 GB
Rear Camera	64 MP ƒ/1.8 (Main) 8 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono	48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor)
RAM	4 GB	4 GB
CPU	2 GHz, Octa Core Processor	2.3 GHz, Octa Core Processor
Price	₹14,249	₹14,499

Realme 7i (4GB RAM + 128GB)₹14,249

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Samsung Galaxy M21 2021₹14,4992%

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Realme 7i (4GB RAM + 128GB)₹14,249

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Samsung Galaxy M21 2021₹14,4992%

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Overview

Specs Score	50 / 100	50 / 100
Display Resolution	720 x 1600 pixels	1080 x 2340 pixels Better Resolution
Screen To Body Ratio	~ 90% Less Bezels	~ 84.2%
Storage	128 GB More Storage	64 GB
CPU Clock Speed	2 GHz	2.3 GHz Faster Clock Speed
Rear Camera	64 MP Quad Better Camera Resolution	48 MP + 8 MP + 5 MP Triple
Front Camera	16 MP	20 MP Better Front Camera Resolution
Battery	5000 mAh	6000 mAh Bigger Battery
Unique Features	No	FM Radio

General

Model	7i	Galaxy M21 2021
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
Device Type	Smartphone	Smartphone
Release Date	October 7, 2020	July 21, 2021

Design

Dimensions	75.5 x 164.1 x 8.9 mm	75.1 x 159 x 9 mm
Weight	188 g	192 g

Display

Type	Color IPS LCD Screen (16.7M)	Color Super AMOLED Screen (16M Colors)
Touch	Yes	Yes
Size	6.5 inches, 720 x 1600 pixels, 90 Hz	6.4 inches, 1080 x 2340 pixels, 60 Hz
Aspect Ratio	20:9	19.5:9
PPI	~ 269 PPI	~ 403 PPI
Screen to Body Ratio	~ 90%	~ 84.2%
Glass Type	Corning Gorilla Glass 3	Corning Gorilla Glass 3
Features	NTSC Color Saturation, Sunlight Screen Support	420 nits (peak)
Notch	Yes, Punch Hole	Yes, Water Drop Notch

Memory

RAM	4 GB	4 GB
Storage	128 GB	64 GB
Storage Type	UFS 2.1
Card Slot	Yes, upto 256 GB	Yes, upto 512 GB

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
VoLTE	Yes, Dual Stand-By	Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Bluetooth	Yes, v5.0, A2DP, LE	Yes, v5.0
USB	Yes, USB-C v2.0	Yes, USB-C v2.0
USB Features	USB on-the-go, USB Charging	USB on-the-go, USB Charging

Extra

GPS	Yes, with A-GPS, GLONASS, BDS	Yes, with A-GPS, Glonass, Beidou, Galileo
Fingerprint Sensor	Yes, Rear	Yes, Rear
Face Unlock	Yes	Yes
Sensors	Light sensor, Proximity sensor, Accelerometer, Gyroscope, Compass	Accelerometer, Gyro Sensor, Geomagnetic Sensor, Proximity Sensor, Virtual Light Sensing
3.5mm Headphone Jack	Yes	Yes

Camera

Rear Camera	64 MP ƒ/1.8 (Main) 8 MP ƒ/2.2 (Wide Angle) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono	48 MP ƒ/2 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 5 MP ƒ/2.2 (Depth Sensor)
Auto Focus	Yes	Yes
Features	Portrait Mode, HDR, Ultra Wide, Ultra Macro, AI Scene Recognition, AI Beauty, Filter, Chroma Boost, Slow Motion, Bokeh Effect Control	Panorama, HDR
Video Recording	1080p @ 30/60 fps FHD, 720p @ 30/60 fps HD	4K @ 30 fps UHD, 1080p @ 30 fps FHD
Flash	Yes, LED	Yes, LED
Front Camera	16 MP ƒ/2.1 (Wide Angle) Punch Hole	20 MP ƒ/2 (Wide Angle)
Front Video Recording	1080p, 720p	1080p @ 30 fps FHD

Technical

OS	Android v10, upgradable to v11	Android v11
Chipset	Qualcomm Snapdragon 662	Samsung Exynos 9611
CPU	2 GHz, Octa Core Processor	2.3 GHz, Octa Core Processor
Core Details	4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver	4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53
GPU	Adreno 610	Mali-G72 MP3
Java	No	No
Browser	Yes, supports HTML5	Yes, supports HTML5

Multimedia

Email	Yes	Yes
Music	Yes	MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA
Video	Yes	MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM
FM Radio	No	Yes
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	5000 mAh, Li-Po Battery	6000 mAh, Li-Po Battery
Fast Charging	Yes, 18W Fast Charging	Yes, 15W Fast Charging
Talk Time		49 hours
Music Playback Time		131 hours

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