Samsung Galaxy M21 vs vivo X Fold

Samsung Galaxy M21

vivo X Fold

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 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, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 66
5G network

-

5G band 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 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

Display
Display type

Super AMOLED capacitive touchscreen

Foldable LTPO AMOLED
Physical size

6.4 inches

8.03 inches
Resolution

1080 x 2340 pixels

1916 x 2160 pixels
Pixel density

403 ppi

360 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen, Corning Gorilla Glass 3

Scratch resistant
Multitouch

Yes

-
Display features

420 nits max brightness

120Hz, HDR10+
Cover display

-

AMOLED
Cover display physical size

-

6.53 inches
Cover display resolution

-

1080 x 2520 pixels

Main camera
Camera type

Triple

Quad
Main camera

48 MP, f/2.0 , 26 mm, 1/2.0" , 0.8 µm

50 MP, f/1.8 , 1/1.57" , 1.0 µm, (wide)
8 MP, f/2.2 , 12 mm, 1/4.0" , 1.12 µm

8 MP, f/3.4 , 125 mm, (periscope telephoto) , 5x optical zoom
5 MP, f/2.2

12 MP, f/2.0 , (telephoto) , 47 mm, 2x optical zoom
(ultrawide) , 48 MP, f/2.2 , 114˚ , 14 mm
Primary camera resolution

8000 x 6000 pixels

8192 x 6144 pixels
Primary camera video

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

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

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

Selfie camera
Selfie camera type

-

Single
Selfie camera

20 MP, f/2.0 , 26 mm

16 MP, f/2.5 , (wide)
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

-

Digital image stabilization, face detection, face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps

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, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 1.0 reversible connector

Type-C 3.1
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
Beidou

Yes

-
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes