Samsung Galaxy M21 vs vivo U20 6GB RAM

Comparing the Samsung Galaxy M21 vs vivo U20 6GB RAM 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: vivo U20 6GB RAM scores higher on the Geekbench Multi-Core test with 1,566, while Samsung Galaxy M21 scores 1,100, making vivo U20 6GB RAM the better performer.

Display: vivo U20 6GB RAM offers a screen size of 6.53 inches, while Samsung Galaxy M21 offers 6.4 inches, making vivo U20 6GB RAM the larger display of the two. Samsung Galaxy M21 features a Super AMOLED display compared to vivo U20 6GB RAM's IPS LCD, making Samsung Galaxy M21 the better display of the two.

Rear Camera: Samsung Galaxy M21 offers a higher rear camera resolution with 48 MP, while vivo U20 6GB RAM offers 16 MP, making Samsung Galaxy M21 better for rear camera photography.

Front Camera: Samsung Galaxy M21 offers a higher front camera resolution with 20 MP, while vivo U20 6GB RAM offers 16 MP, making Samsung Galaxy M21 better for front camera photography.

Battery: Samsung Galaxy M21 offers a higher battery capacity with 6000 mAh, while vivo U20 6GB RAM offers 5000 mAh, making Samsung Galaxy M21 better for longer battery life.

Storage: Both Samsung Galaxy M21 and vivo U20 6GB RAM offer the same internal storage of 64 GB.

Expert Review: vivo U20 6GB RAM receives a higher expert rating of 8 from the editorial team, while Samsung Galaxy M21 is rated 7.

User Rating: vivo U20 6GB RAM receives a higher user rating of 4.3, while Samsung Galaxy M21 has a rating of 4.2.

Samsung Galaxy M21

₹14,980

@ Flipkart

vivo U20 6GB RAM

₹15,000

(Discontinued)

Summary

Release Date

18 Mar, 2020

28 Nov, 2019

16 Jul, 2026

Performance

		N/A
Samsung Exynos 9 Octa 9611	Snapdragon 675	Unisoc T7100
Octa Core (upto 2.3 GHz)	Octa Core (upto 2 GHz)	Octa Core (upto 1.8 GHz)
4 GB RAM	6 GB RAM	3 GB RAM

Display

		N/A
6.4 inches (16.26 cm)	6.53 inches (16.59 cm)	6.56 inches (16.66 cm)
Super AMOLED	IPS LCD	IPS LCD
1080x2340 px (FHD+)	1080x2340 px (FHD+)	N/A
60 Hz Refresh Rate	N/A	90 Hz Refresh Rate

Rear Camera

		N/A
48 MP Primary Camera	16 MP Primary Camera	8 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

Front Camera

		N/A
20 MP	16 MP	5 MP

Battery

		N/A
6000 mAh	5000 mAh	5000 mAh
15W Fast Charging	18W Fast Charging	10W
No Wireless Charging	No Wireless Charging	N/A

Storage

64 GB	64 GB	64 GB
UFS 2.1	UFS 2.1	eMMC 5.0

Expert Review

7.0/10

Read Expert Review

8.0/10

Read Expert Review

N/A

Pros

Vivid and colour accurate display
Long-lasting battery
Decent day-time photography

Great design
Strong performance
Amazing battery life

Device yet to be reviewed

Cons

Higher refresh rate would have been nice
Dated waterdrop notch design
Slow charging speed

Camera quality could've been better
Heavy UI

Device yet to be reviewed

User Ratings

4.2/5

(65,210 ratings)

4.3/5

(27,693 ratings)

N/A

Benchmarks (The higher, the better)

168,633 AnTuTu Score	210,757 AnTuTu Score	N/A
10h 20m Battery Life (PC Mark)	N/A	N/A

Compare Prices

₹14,980

@ Flipkart

Not Available in any store

₹8,599

@ Amazon

Video

11 More Videos

1 Video

There are no videos available for the device.

User Feedback

General

Launch Date

Mar 18, 2020

(Official)

N/A

Jul 16, 2026

(Official)

Operating System

Android v10 (Q)

Android v9.0 (Pie)

Android v15

Security Updates

4 Year

N/A

Custom UI

Samsung One UI

Funtouch OS

Android Go

Performance

Performance Rating

Good

N/A

Chipset

Samsung Exynos 9 Octa 9611

Qualcomm Snapdragon 675

Unisoc T7100

Processor

Octa core

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

Octa core

2 GHz, Dual core, Kryo 460 1.7 GHz, Hexa Core, Kryo 460

Octa core

1.8 GHz, Quad core, Cortex A75 1.2 GHz, Quad core, Cortex A55

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

10 nm

11 nm

12 nm

Graphics (GPU)

Mali-G72 MP3

Adreno 612

PowerVR GE8322

RAM

4 GB / 6 GB

4 GB / 6 GB / 8 GB

3 GB / 4 GB

RAM Type

LPDDR4X

N/A

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

210,757

N/A

Bootup Time (The lower, the better)

23.0 s

N/A

Gaming Test Results

Battery Drain* (The lower, the better)

3.0 %

7.0 %

N/A

Heating* (The lower, the better)

11.3 %

31.7 %

N/A

* after 30 mins of gaming

Display

Display Rating

Excellent

N/A

Display Type

Super AMOLED

IPS LCD

Screen Size

6.4 inches (16.26 cm)

6.53 inches (16.59 cm)

6.56 inches (16.66 cm)

Resolution

1080x2340 px (FHD+)

N/A

Brightness

420 nits

N/A

400 nits

Refresh Rate

60 Hz

N/A

90 Hz

Aspect Ratio

19.5:9

N/A

Pixel Density

403 ppi

395 ppi

269 ppi

Screen to Body Ratio (calculated)

84.02 %

84.23 %

N/A

Screen Protection

Corning Gorilla Glass v3

N/A

Bezel-less Display

Yes with waterdrop notch

N/A

Screen to Body Ratio (claimed by the brand)

91 %

90.3 %

N/A

Design

Height

159 mm

162.15 mm

N/A

Width

75.1 mm

76.47 mm

N/A

Thickness

8.9 mm

8.89 mm

8.49 mm

Weight

188 grams

193 grams

N/A

Build Material

Back: Plastic

N/A

Battery

Battery Rating

Very Good

N/A

Capacity

6000 mAh

5000 mAh

Battery Type

Li-ion

N/A

Quick Charging

Yes 15W Fast Charging

Yes 18W Fast Charging

Yes 10W

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

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

2h 9m 47s

1h 52m 50s

N/A

Storage

Internal Storage

64 GB / 128 GB

64 GB

Storage Type

UFS 2.1

eMMC 5.0

Expandable Storage

Yes Up to 512 GB

Yes Up to 256 GB

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

Single SIM

SIM Type

SIM1: Nano SIM2: Nano

N/A

Network Support

5G Not Supported 4G

VoLTE

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 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5)

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) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20)

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)

N/A

SAR Value

Head: 0.468 W/kg

Head: 0.821 W/kg Body: 0.549 W/kg

N/A

Wi-Fi

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

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

Yes Wi-Fi 4 (802.11 n)

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot

Mobile Hotspot

N/A

Bluetooth

Yes v5.0

Yes

GPS

Yes with A-GPS Glonass

N/A

NFC

N/A

IR Blaster

N/A

Yes

Multimedia

Audio Jack

3.5 mm

N/A

Sensors

Fingerprint Sensor

Yes

Fingerprint Sensor Position

Rear

Side

Other Sensors

Light sensor Proximity sensor Accelerometer Gyroscope

Light sensor Proximity sensor Accelerometer Compass Gyroscope

N/A

Compare Prices

₹14,980

@ Flipkart

Not Available in any store

₹8,599

@ Amazon