Samsung Galaxy M21 vs Xiaomi Redmi Note 8

Share  

Comparing the Samsung Galaxy M21 vs Xiaomi Redmi Note 8 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: Xiaomi Redmi Note 8 scores higher on the Geekbench Multi-Core test with 1,323, while Samsung Galaxy M21 scores 1,100, making Xiaomi Redmi Note 8 the better performer.


Display: Samsung Galaxy M21 offers a screen size of 6.4 inches, while Xiaomi Redmi Note 8 offers 6.3 inches, making Samsung Galaxy M21 the larger display of the two. Samsung Galaxy M21 features a Super AMOLED display compared to Xiaomi Redmi Note 8's IPS LCD, making Samsung Galaxy M21 the better display of the two.


Rear Camera: Both Samsung Galaxy M21 and Xiaomi Redmi Note 8 feature a 48 MP primary rear camera.


Front Camera: Samsung Galaxy M21 offers a higher front camera resolution with 20 MP, while Xiaomi Redmi Note 8 offers 13 MP, making Samsung Galaxy M21 better for front camera photography.


Battery: Xiaomi Redmi Note 8 delivers longer battery life with None, while Samsung Galaxy M21 delivers 10h 20m, making Xiaomi Redmi Note 8 the better pick for all day usage.


Storage: Both Samsung Galaxy M21 and Xiaomi Redmi Note 8 offer the same internal storage of 64 GB.


Expert Review: Xiaomi Redmi Note 8 receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy M21 is rated 7.


User Rating: Xiaomi Redmi Note 8 receives a higher user rating of 4.3, while Samsung Galaxy M21 has a rating of 4.2.

...read more
✕
Samsung Galaxy M21
₹14,980
@ Flipkart
✕
Xiaomi Redmi Note 8
₹9,699
@ Flipkart
✕
Moto G37 Power 5G
₹15,099
Buy Now
Add to Compare

Summary

Spec Score

76%
77%
75%

Release Date

18 Mar, 2020
21 Oct, 2019
16 Jul, 2026

Performance

Samsung Exynos 9 Octa 9611
Snapdragon 665
MediaTek Dimensity 6400
Octa Core (upto 2.3 GHz)
Octa Core (upto 2 GHz)
Octa Core (upto 2.5 GHz)
4 GB RAM
4 GB RAM
4 GB RAM

Display

6.4 inches (16.26 cm)
6.3 inches (16 cm)
6.67 inches (16.94 cm)
Super AMOLED
IPS LCD
IPS LCD
1080x2340 px (FHD+)
1080x2340 px (FHD+)
720x1604 px (HD+)
60 Hz Refresh Rate
60 Hz Refresh Rate
120 Hz Refresh Rate

Rear Camera

48 MP
Primary Camera
48 MP
Primary Camera
50 MP
Primary Camera
8 MP
Ultra-Wide Angle Camera
8 MP
Ultra-Wide Angle Camera
N/A
5 MP
Depth Camera
2 MP
Macro Camera
N/A
N/A
2 MP
Depth Camera
N/A

Front Camera

20 MP
13 MP
8 MP

Battery

6000 mAh
4000 mAh
7000 mAh
15W Fast Charging
18W Fast Charging
30W Turbo Charging
No Wireless Charging
No Wireless Charging
N/A

Storage

64 GB
64 GB
64 GB
UFS 2.1
eMMC 5.1
UFS 2.2

Expert Review

7.0/10
8.0/10
8.1/10

Pros

  • Vivid and colour accurate display
  • Long-lasting battery
  • Decent day-time photography
  • Stunning design
  • Sharp display
  • Reliable performance
  • Good camera setup 
  • Top-class battery life
  • Comfortable to hold
  • Loud stereo speakers
  • Performs well for daily use

Cons

  • Higher refresh rate would have been nice
  • Dated waterdrop notch design
  • Slow charging speed
  • Chunky camera bump 
  • Loaded with ads and bloatware
  • Limited OS upgrades
  • Primary camera may produce dull tones

User Ratings

4.2/5
(65,210 ratings)
4.3/5
(103,843 ratings)
4.2/5
(45 ratings)

Benchmarks (The higher, the better)

168,633
AnTuTu Score
171,024
AnTuTu Score
570,353
AnTuTu Score
10h 20m
Battery Life (PC Mark)
N/A
16h 49m
Battery Life (PC Mark)

Compare Prices

₹14,980
@ Flipkart
₹9,699
@ Flipkart
₹15,099
@ Amazon
Not Available in any other store
Not Available in any other store
₹15,499
@ Flipkart

Video

Videos
11 More Videos
Videos
7 More Videos
Videos
1 Video

User Feedback

General

Launch Date

Mar 18, 2020
(Official)
Oct 21, 2019
(Official)
May 19, 2026
(Official)

Operating System

Android v10 (Q)
Android v9.0 (Pie)
Android v16

OS Updates

N/A
N/A
1 Year

Security Updates

4 Year
N/A
3 Year

Custom UI

Samsung One UI
MIUI
N/A

Performance

Performance Rating

Good
Good
Good

Chipset

Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 665
View Details
MediaTek Dimensity 6400 MT6835
View Details

Processor

Octa core

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

2 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260
Octa core

2.5 GHz, Dual core, Cortex A76 2 GHz, Hexa Core, Cortex A55

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

10 nm
11 nm
6 nm

Graphics (GPU)

Mali-G72 MP3
Adreno 610
Mali-G57 MC2

RAM

4 GB / 6 GB
3 GB / 4 GB / 6 GB
4 GB / 8 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR4X

Performance Test Results

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

168,633
171,024
570,353

Bootup Time (The lower, the better)

23.0 s
21.0 s
26.0 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
383

Battery Drain* (The lower, the better)

3.0 %
4.0 %
N/A

Heating* (The lower, the better)

11.3 %
13.7 %
N/A
* after 30 mins of gaming

Display

Display Rating

Excellent
Excellent
Excellent

Display Type

Super AMOLED
IPS LCD
IPS LCD

Screen Size

6.4 inches  (16.26 cm)
6.3 inches  (16 cm)
6.67 inches  (16.94 cm)

Resolution

1080x2340 px (FHD+)
1080x2340 px (FHD+)
720x1604 px (HD+)

Brightness

420 nits
N/A
N/A

Peak Brightness

N/A
N/A
1050 nits

Refresh Rate

60 Hz
60 Hz
120 Hz

Touch Sampling Rate

N/A
N/A
120 Hz

Aspect Ratio

19.5:9
19.5:9
20:9

Pixel Density

403 ppi
409 ppi
264 ppi

Screen to Body Ratio (calculated)

84.02 %
81.56 %
84.48 %

Screen Protection

Corning Gorilla
Corning Gorilla
Corning Gorilla Glass 7i

Bezel-less Display

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

Screen to Body Ratio (claimed by the brand)

91 %
90 %
84.3 %

Design

Height

159 mm
158.3 mm
166.2 mm

Width

75.1 mm
75.3 mm
76.50 mm

Thickness

8.9 mm
8.3 mm
8.8 mm

Weight

188 grams
188 grams
215 grams

Build Material

Back: Plastic
Back: Gorilla Glass
Back: Vegan Leather

Water Resistance

N/A
Yes Splash proof
Yes Splash proof IP64

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Very Good
Good

Resolution

48 MP
Primary Camera4x Digital Zoomf/2.026 mm focal length 1/2" sensor size CMOS image sensor 0.8µm pixel size
48 MP
Primary Cameraf/1.791/2" sensor size S5KGM2 ISOCELL Plus 0.8µm pixel size
50 MP
Primary Cameraf/1.80.61µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera12 mm focal length 1/4.0" sensor size 1.12µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera1/4.0" sensor size 1.12µm pixel size
N/A
5 MP
f/2.2 Depth Camera
2 MP
f/2.4 Macro Camera1/5.0" sensor size 1.75µm pixel size
N/A
N/A
2 MP
f/2.4 Depth Camera1/5.0" sensor size 1.75µm pixel size
N/A

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus
Yes Phase Detection Autofocus

OIS

No
No
N/A

Flash

Yes LED Flash
Yes Dual LED Flash
Yes Dual LED Flash

Image Resolution

8000 x 6000 Pixels
8000 x 6000 Pixels
N/A

Settings

Exposure compensation ISO control
Exposure compensation ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
High Dynamic Range mode (HDR)

Camera Features

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

Video Recording

4k @30 fps
Full HD @30 fps
4k @30 fps
Full HD @60 fps
HD @120 fps
2k @30 fps

Front Camera

Front Camera Rating

Very Good
Very Good
Very Good

Resolution

20 MP
f/2.2 Primary Camera26 mm focal length CMOS
13 MP
f/2.0 Primary Camera1/3.1" sensor size 1.12µm pixel size
8 MP
f/2.0 Primary Camera1.12µm pixel size

Autofocus

No
N/A
N/A

Flash

No
N/A
Yes Screen flash

Video Recording

Full HD @30 fps
Full HD @30 fps
2k @30 fps

Battery

Battery Rating

Very Good
Very Good
Very Good

Capacity

6000 mAh
4000 mAh
7000 mAh

Battery Type

Li-ion
Li-Polymer
N/A

Quick Charging

Yes 15W Fast Charging
Yes 18W Fast Charging
Yes 30W Turbo Charging

Reverse Charging

N/A
N/A
Yes 6W Reverse 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.

10h 20m
N/A
16h 49m

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

2h 9m 47s
1h 43m 16s
1h 17m

Storage

Internal Storage

64 GB / 128 GB
32 GB / 64 GB / 128 GB
64 GB / 128 GB

Storage Type

UFS 2.1
eMMC 5.1
UFS 2.2

Expandable Storage

Yes Up to 512 GB
Yes Up to 512 GB
Yes Up to 1 TB

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

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) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)
4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5)
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N71 / N75
TDD N38 / N40 / N41 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1500(band 32) / 600(band 71) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20) / 850(band 26)
View More

SIM 2

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)
4G Bands:
TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5)
5G Bands:
FDD N1 / N3 / N5 / N7 / N8 / N20 / N26 / N28 / N71 / N75
TDD N38 / N40 / N41 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 1500(band 32) / 800(band 20) / 600(Band 71) / 850(band 26)
View More

SAR Value

Head: 0.468 W/kg
Head: 1.13 W/kg Body: 0.634 W/kg
N/A

Wi-Fi

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

Wi-Fi Features

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

Bluetooth

Yes v5.0
Yes v5.0
Yes v5.4

GPS

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

NFC

No
N/A
N/A

Multimedia

Stereo Speakers

N/A
N/A
Yes

Audio Jack

3.5 mm
3.5 mm
3.5 mm, USB Type-C

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

Rear
Rear
Side

Other Sensors

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

Compare Prices

₹14,980
@ Flipkart
₹9,699
@ Flipkart
₹15,099
@ Amazon
Not Available in any other store
Not Available in any other store
₹15,499
@ Flipkart