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Realme 7i vs OnePlus Nord (OnePlus Z) vs Samsung Galaxy M21

Key Feature Comparison

7.7

OnePlus Nord

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6.8

Samsung Galaxy M21

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At a Glance

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Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)

Qualcomm Snapdragon 662, Adreno 610

Octa core (2.4 GHz, Single core, Kryo 475 + 2.2 GHz, Single core, Kryo 475 + 1.8 GHz, Hexa Core, Kryo 475)

Qualcomm Snapdragon 765G, Adreno 620

Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Samsung Exynos 9 Octa 9611, Mali-G72 MP3

5000 mAh

Li-ion, Quick, 18W

4115 mAh

Li-ion, Warp, 30W

6000 mAh

Li-ion, Fast, 15W

6.5 inches

270 ppi

6.44 inches

409 ppi, FHD

6.4 inches

403 ppi, FHD

Quad, 64MP + 8MP + 2MP + 2MP

1920x1080 @ 30 fps, 1280x720 @ 60 fps

Quad, 48MP + 8MP + 5MP + 2MP

3840x2160 @ 30 fps, 1920x1080 @ 60 fps

Triple, 48MP + 8MP + 5MP

3840x2160 @ 30 fps, 1920x1080 @ 30 fps

4G

Dual SIM, GSM+GSM

5G

Dual SIM, GSM+GSM

4G

Dual SIM, GSM+GSM

Detailed Specs

Screen Size

6.5 inches
6.44 inches
6.4 inches

Screen Type

IPS LCD
AMOLED
Super AMOLED

Screen Resolution

720 x 1600 pixels
1080 x 2400 pixels
1080 x 2340 pixels

Pixel Density

270 ppi
409 ppi
403 ppi

Aspect Ratio

20:09
20:09
19.5:9

Screen Protection

Gorilla Glass 3
Gorilla Glass 5
Gorilla Glass 3

Screen to Body Ratio

90%
86.29%
91%

Screen Design

Punch hole
Punch hole
Waterdrop notch

Screen Refresh Rate

90 Hz
90 Hz
-

Peak Brightness

480 nits
-
420 nits

Screen Quality

-
FHD
FHD

Phone Variants

4GB 128GB, 4GB 64GB
6GB 64GB, 12GB 256GB, 8GB 128GB
4GB 64GB, 6GB 128GB

Expandable Storage

Yes
No
Yes

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Storage Type

UFS 2.1
UFS 2.1
UFS 2.1

Expandable Storage Capacity

Yes, 256 GB
-
Yes, 512 GB

OTG Support

Yes
Yes
Yes

Sensors

Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope

Operating System

Android v10 (Q)
Android v10 (Q)
Android v10 (Q)

GPU

Adreno 610
Adreno 620
Mali-G72 MP3

Chipset

Qualcomm Snapdragon 662
Qualcomm Snapdragon 765G
Samsung Exynos 9 Octa 9611

CPU

Octa core (2 GHz, Quad core, Kryo 260 + 1.8 GHz, Quad core, Kryo 260)
Octa core (2.4 GHz, Single core, Kryo 475 + 2.2 GHz, Single core, Kryo 475 + 1.8 GHz, Hexa Core, Kryo 475)
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)

Custom User Interface

Realme UI
Oxygen OS
Samsung One UI

Clock Speed

2 GHz
2.4 GHz
2.3 GHz

Architecture

64 bit
64 bit
64 bit

Process Technology

11 nm
7 nm
10 nm

Battery Capacity

5000 mAh
4115 mAh
6000 mAh

Battery Removable

No
No
No

Battery Type

Li-ion
Li-ion
Li-ion

Charger Type

Quick, 18W
Warp, 30W
Fast, 15W

USB Type-C

Yes
Yes
Yes

Fast Charging

Yes
Yes
Yes

Charging Time

-
70 % in 30 minutes
-

Announced On

17-Sep-20
21-Jul-20
18-Mar-20

Market Status

Available
Available
Available

Brand

Realme
OnePlus
Samsung

Model Number

RMX2103
AC2001
SM-M215FZKDINS

Price Status

Confirmed
Confirmed
Confirmed

Price

Rs. 11,999
Rs. 27,999
Rs. 13,499

GPS

Yes A-GPS, Glonass
Yes A-GPS, Glonass
Yes A-GPS, Glonass

NFC

No
Yes
No

Network Support

4G
5G
4G

Bluetooth

Yes
Yes
Yes

3.5mm Audio Jack

Yes
No
Yes

SIM Size

SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano

Wi-Fi

Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz, MIMO
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz

Bluetooth Type

v5.0
v5.1
v5.0

Audio Jack

3.5 mm
USB Type-C
3.5 mm

SIM Slot(s)

Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM

eSIM

No
No
No

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot

VoLTE

Yes
Yes
Yes

SIM 1 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / ...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

SIM 2 Bands

4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / ...
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...

Audio Features

-
Super linear speaker Noise cancellation support
Dolby Atmos

Front Video Recording

1920x1080 @ 30 fps, 1280x720 @ 30 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
1920x1080 @ 30 fps

Front Camera Features

Fixed Focus
Fixed Focus
HDR

Front Camera Setup

Single, 16MP
Dual, 32MP + 8MP
Single, 20MP

Front Camera 1 Resolution

16 MP
32 MP
20 MP

Front Camera 1 Type

f/2.1, Wide Angle Primary Camera
f/2.45, Wide Angle (105 degree field-of-view) Primary Camera
f/2.2 Primary Camera

Front Camera 1 Lens

3" sensor size, 1 micrometre pixel size
2.8" sensor size, 0.8 micrometre pixel size
26 mm focal length

Front Sensor

Exmor RS
Exmor RS
CMOS

Front Aperture

f/2.1
f/2.45
f/2.2

Front Flash

Yes, Screen flash
Yes, Screen flash
No

Front Camera 2 Resolution

-
8 MP
-

Front Camera 2 Type

-
f/2.45, Wide Angle, Ultra-Wide Angle (105 degree field-of-view) Camera
-

Front Camera 2 Lens

-
4.0" sensor size, 1.12 micrometre pixel size
-

Weight

188 grams
184 grams
188 grams

Colors

Fusion Green, Fusion Blue
Blue Marble, Gray Onyx
Midnight Blue, Raven Black

Dimensions

164.1 x 75.5 x 8.5 mm
158.3 x 73.3 x 8.2 mm
159 x 75.1 x 8.9 mm

SAR Value

Head: 1.098 W/kg, Body: 0.531 W/kg
-
Head: 0.468 W/kg

Build

-
Back: Gorilla Glass
Back: Plastic

Rear Flash

Yes, LED Flash
Yes, Dual LED Flash
Yes, LED Flash

Rear Video Recording

1920x1080 @ 30 fps, 1280x720 @ 60 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
3840x2160 @ 30 fps, 1920x1080 @ 30 fps

Rear Camera Features

Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus

Rear Camera Setup

Quad, 64MP + 8MP + 2MP + 2MP
Quad, 48MP + 8MP + 5MP + 2MP
Triple, 48MP + 8MP + 5MP

Rear Camera 1 Resolution

64 MP
48 MP
48 MP

Rear Camera 1 Type

f/1.8, Wide Angle (80 degree field-of-view) Primary Camera
f/1.75, Wide Angle Primary Camera
f/2.0 (upto 4x Digital Zoom) Primary Camera

Rear Camera 1 Lens

25.1 mm focal length, 2" sensor size
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size

Rear Camera 2 Resolution

8 MP
8 MP
8 MP

Rear Camera 2 Type

f/2.2, Wide Angle, Ultra-Wide Angle Camera
f/2.25, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera

Rear Camera 2 Lens

15.62 mm focal length, 4.0" sensor size
-
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size

Rear Camera 3 Resolution

2 MP
5 MP
5 MP

Rear Camera 3 Type

f/2.4, Macro Camera
f/2.4, Depth Camera
f/2.2, Depth Camera

Rear Camera 3 Lens

21.88 mm focal length, 5.0" sensor size
-
-

Rear Camera 4 Resolution

2 MP
2 MP
-

Rear Camera 4 Type

f/2.4 Mono Camera
f/2.4, Macro Camera
-

Rear Camera 4 Lens

21.88 mm focal length, 5.0" sensor size
-
-

Rear Sensor

CMOS image sensor
Exmor-RS CMOS Sensor
CMOS image sensor

Rear Aperture

f/1.8
f/1.75
f/2.0

OIS

-
Yes
No

Fingerprint Scanner

Yes
Yes
Yes

Fingerprint Scanner Position

Rear
On-Screen
Rear

Face Unlock

Yes
Yes
Yes

Fingerprint Scanner Type

-
Optical
-

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