Samsung Galaxy M21 vs vivo Y77e

Samsung Galaxy M21

vivo Y77e

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 2100; CDMA2000 1x
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)

LTE frequency band 1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G network

-

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front, plastic back, plastic frame

Glass front, plastic frame, plastic back
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

159 mm

164 mm
Width

75.1 mm

75.8 mm
Thickness

8.9 mm

8.3 mm
Weight

188 g

194 g
Colors

Black, Blue

Black, Blue gradient, Pink

Display
Display type

Super AMOLED capacitive touchscreen

IPS LCD
Physical size

6.4 inches

6.58 inches
Resolution

1080 x 2340 pixels

1080 x 2408 pixels
Pixel density

403 ppi

401 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 3

2.5D curved glass screen
Multitouch

Yes

-
Display features

420 nits max brightness

-

Main camera
Camera type

Triple

Dual
Main camera

48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm

13 MP, f/2.2 , (wide)
8 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm

2 MP, f/2.4 , (macro)
5 MP, f/2.2
Primary camera resolution

8000 x 6000 pixels

-
Primary camera video

2160p@30fps, 1080p@30fps, gyro-EIS

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

-

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

-

Yes