realme 6i vs Samsung Galaxy M21

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Comparing the realme 6i vs Samsung Galaxy M21 across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: realme 6i scores higher on the Geekbench Multi-Core test with 1,684, while Samsung Galaxy M21 scores 1,100, making realme 6i the better performer.


Display: realme 6i offers a screen size of 6.5 inches, while Samsung Galaxy M21 offers 6.4 inches, making realme 6i the larger display of the two. Samsung Galaxy M21 features a Super AMOLED display compared to realme 6i's IPS LCD, making Samsung Galaxy M21 the better display of the two.


Rear Camera: Both realme 6i and Samsung Galaxy M21 feature a 48 MP primary rear camera.


Front Camera: Samsung Galaxy M21 offers a higher front camera resolution with 20 MP, while realme 6i offers 16 MP, making Samsung Galaxy M21 better for front camera photography.


Battery: Samsung Galaxy M21 delivers longer battery life with 10h 20m, while realme 6i delivers 8h 21m, making Samsung Galaxy M21 the better pick for all day usage.


Storage: Both realme 6i and Samsung Galaxy M21 offer the same internal storage of 64 GB.


Expert Review: The editorial team rates both realme 6i and Samsung Galaxy M21 equally at 7.


User Rating: realme 6i receives a higher user rating of 4.4, while Samsung Galaxy M21 has a rating of 4.2.

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realme 6i
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Summary

Release Date

31 Jul, 2020
18 Mar, 2020
06 May, 2026

Performance

MediaTek Helio G90T
Samsung Exynos 9 Octa 9611
Snapdragon 8 Gen 5
Octa Core (upto 2.05 GHz)
Octa Core (upto 2.3 GHz)
Octa Core (upto 3.8 GHz)
4 GB RAM
4 GB RAM
12 GB RAM

Display

6.5 inches (16.51 cm)
6.4 inches (16.26 cm)
6.31 inches (16.03 cm)
IPS LCD
Super AMOLED
AMOLED
1080x2400 px (FHD+)
1080x2340 px (FHD+)
1216x2640 px (FHD+)
90 Hz Refresh Rate
60 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

48 MP
Wide Angle Primary Camera
48 MP
Primary Camera
50 MP
Primary Camera
8 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
50 MP
Telephoto Camera (upto 3x Optical Zoom)
2 MP
Macro Camera
5 MP
Depth Camera
8 MP
Ultra-Wide Angle Camera
2 MP
Depth Camera
N/A
N/A

Front Camera

16 MP
Wide Angle Lens
20 MP
50 MP

Battery

4300 mAh
6000 mAh
6500 mAh
30W Flash Charging
15W Fast Charging
90W Flash Charging
N/A
No Wireless Charging
Wireless Charging

Storage

64 GB
64 GB
256 GB
UFS 2.1
UFS 2.1
UFS 4.1

Expert Review

7.0/10
7.0/10
8.4/10

Pros

  • Smooth 90Hz display
  • 30W fast charging support
  • Good performance
  • Vivid and colour accurate display
  • Long-lasting battery
  • Decent day-time photography
  • Compact, premium design
  • Excellent battery life
  • Reliable performance
  • Strong portrait photography

Cons

  • Average battery life
  • 20W charger in the box
  • Mediocre macro lens
  • Higher refresh rate would have been nice
  • Dated waterdrop notch design
  • Slow charging speed
  • Video recording inconsistencies
  • Colours can be slightly oversaturated

User Ratings

4.4/5
(61,002 ratings)
4.2/5
(65,210 ratings)
4.4/5
(109 ratings)

Benchmarks (The higher, the better)

284,550
AnTuTu Score
168,633
AnTuTu Score
3,000,897
AnTuTu Score
8h 21m
Battery Life (PC Mark)
10h 20m
Battery Life (PC Mark)
16h 04m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
₹14,980
₹79,999

Video

Videos
5 More Videos
Videos
11 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

Jul 31, 2020
(Official)
Mar 18, 2020
(Official)
May 06, 2026
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)
Android v16

OS Updates

N/A
N/A
5 Year

Security Updates

N/A
4 Year
7 Year

Custom UI

Realme UI
Samsung One UI
Origin OS

Performance

Performance Rating

Good
Good
Excellent

Chipset

MediaTek Helio G90T
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 8 Gen 5 SM8845

Processor

Octa core

2.05 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55
Octa core

2.3 GHz, Quad core, Cortex A73 1.7 GHz, Quad core, Cortex A53
Octa core

3.8 GHz, Dual core, Oryon V3 Phoenix L 3.32 GHz, Hexa Core, Oryon V3 Phoenix M

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

12 nm
10 nm
3 nm

Graphics (GPU)

Mali-G76 MC4
Mali-G72 MP3
Adreno 829

RAM

4 GB / 6 GB
4 GB / 6 GB
12 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR5X Ultra

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

284,550
168,633
3,000,897

Bootup Time (The lower, the better)

23.0 s
23.0 s
14.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A
N/A
4,004

Battery Drain* (The lower, the better)

8.0 %
3.0 %
5.0 %

Heating* (The lower, the better)

16.9 %
11.3 %
17.4 %
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent
Best In Class

Display Type

IPS LCD
Super AMOLED
AMOLED

Screen Size

6.5 inches  (16.51 cm)
6.4 inches  (16.26 cm)
6.31 inches  (16.03 cm)

Resolution

1080x2400 px (FHD+)
1080x2340 px (FHD+)
1216x2640 px (FHD+)

Brightness

480 nits
420 nits
N/A

Peak Brightness

N/A
N/A
5000 nits

Refresh Rate

90 Hz
60 Hz
120 Hz

Aspect Ratio

20:9
19.5:9
19.5:9

Pixel Density

405 ppi
403 ppi
460 ppi

Screen to Body Ratio (calculated)

84.13 %
84.02 %
90.11 %

Screen Protection

Corning Gorilla Glass v3
Corning Gorilla Glass v3
N/A

Bezel-less Display

Yes with punch-hole display
Yes with waterdrop notch
Yes with punch-hole display

HDR 10 / HDR+ Support

N/A
N/A
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

90.5 %
91 %
94.38 %

Design

Height

162.1 mm
159 mm
150.83 mm

Width

74.8 mm
75.1 mm
71.76 mm

Thickness

8.9 mm
8.9 mm
7.99 mm

Weight

191 grams
188 grams
191 grams

Build Material

Back: Plastic
Back: Plastic
Back: Glass

Water Resistance

Yes Splash proof
N/A
Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Very Good
Excellent

Resolution

48 MP
Primary Camera10x Digital Zoomf/1.8 Wide Angle 79° field-of-view1/2" sensor size CMOS image sensor 0.8µm pixel size
48 MP
Primary Camera4x Digital Zoomf/2.026 mm focal length 1/2" sensor size CMOS image sensor 0.8µm pixel size
50 MP
Primary Cameraf/1.57IMX921
8 MP
f/2.3 Ultra-Wide Angle Camera1/4.0" sensor size 1.12µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/4.0" sensor size 1.12µm pixel size
50 MP
f/2.65 Telephoto Camera
2 MP
f/2.4 Macro Camera1/5.0" sensor size 1.75µm pixel size
5 MP
f/2.2 Depth Camera
8 MP
f/2.2 Ultra-Wide Angle Camera
2 MP
f/2.4 Depth Camera1/5.0" sensor size 1.75µm pixel size
N/A
N/A

Autofocus

Yes
Yes Phase Detection Autofocus
Yes

OIS

N/A
No
Yes

Flash

Yes LED Flash
Yes LED Flash
Yes Dual LED Flash

Image Resolution

8000 x 6000 Pixels
8000 x 6000 Pixels
N/A

Settings

ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
N/A

Camera Features

10 x Digital Zoom
Auto Flash
Face detection
Touch to focus
4 x Digital Zoom
Auto Flash
Face detection
Touch to focus
N/A

Video Recording

4k @30 fps
Full HD @60 fps
4k @30 fps
Full HD @30 fps
8k @30 fps
4k @30/60 fps
Full HD @30/60/120 fps

Front Camera

Front Camera Rating

Very Good
Very Good
Best In Class

Resolution

16 MP
f/2.0 Wide Angle Primary Camera1/3.1" sensor size CMOS 1µm pixel size
20 MP
f/2.2 Primary Camera26 mm focal length CMOS
50 MP
f/2.0 Primary Camera

Autofocus

N/A
No
Yes

Flash

N/A
No
Yes Screen flash

Camera Features

Fixed Focus
N/A
N/A

Video Recording

Full HD @30 fps
HD @30 fps
Full HD @30 fps
N/A

Battery

Battery Rating

Very Good
Very Good
Excellent

Capacity

4300 mAh
6000 mAh
6500 mAh

Battery Type

Li-ion
Li-ion
Li-ion

Quick Charging

Yes 30W Flash Charging 100% in 55 minutes
Yes 15W Fast Charging
Yes 90W Flash Charging

Wireless Charging

N/A
N/A
Yes 40W Wireless Charging

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

8h 21m
10h 20m
16h 04m

Charging Time (20% to 100%) (The lower, the better)

1h 5m 36s
2h 9m 47s
0h 41m 0s

Storage

Internal Storage

64 GB
64 GB / 128 GB
256 GB / 512 GB

Storage Type

UFS 2.1
UFS 2.1
UFS 4.1

Expandable Storage

Yes Up to 256 GB
Yes Up to 512 GB
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano/eSIM

Network Support

5G Not Supported 4G
5G Not Supported 4G
5G 4G

VoLTE

Yes
Yes
Yes

SIM 1

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)
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)
N/A

SIM 2

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)
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)
5G Bands:
FDD N1 / N2 / N3 / N5 / N7 / N8 / N18 / N20 / N25 / N26 / N28 / N66 / N71 / N75
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 1500(band 32) / 700(band 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 600(Band 71) / 1900(band 25) / 850(band 26) / 1700(band 66)
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SAR Value

Head: 1.138 W/kg Body: 0.586 W/kg
Head: 0.468 W/kg
N/A

Wi-Fi

Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz MIMO
Yes Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Yes Wi-Fi 4 (802.11 a/n) 5GHz MIMO

Wi-Fi Features

Mobile Hotspot
Wi-Fi Direct Mobile Hotspot
Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0
Yes v6.0

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

N/A
No
Yes

IR Blaster

N/A
N/A
Yes

Multimedia

Audio Jack

3.5 mm
3.5 mm
USB Type-C

Audio Features

Dolby Atmos
N/A
N/A

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

Side
Rear
On-screen

Fingerprint Sensor Type

N/A
N/A
Ultrasonic

Other Sensors

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

Compare Prices

Not Available in any store
₹14,980
₹79,999