Xiaomi Mix Fold 2 vs vivo V21 5G

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42

LTE frequency band 1, 2, 3, 4, 5, 8, 34, 38, 40, 41 - India
5G network

5G band 1, 3, 5, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA

5G band 78 Sub6 - India
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (CA)

LTE-A, 1200 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass, aluminium alloy

Glass front, plastic frame, plastic back
SIM

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

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

161.1 mm

159.7 mm
Width

73.9 mm

73.9 mm
Thickness

11.2 mm

7.3 mm
Height unfolded

161.1 mm

-
Width unfolded

144.7 mm

-
Thickness unfolded

5.4 mm

-
Weight

262 g

176 g
Colors

Black, Gold

Blue, Sunset Dazzle, White

Display
Display type

Foldable LTPO2 OLED

AMOLED
Physical size

8.02 inches

6.44 inches
Resolution

1914 x 2160 pixels

1080 x 2400 pixels
Pixel density

360 ppi

409 ppi
Display colors

1073741824

16777216
Protection

Schott UTG glass, Corning Gorilla Glass Victus

Scratch resistant, 2.5D curved glass screen
Display features

120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)

90Hz, HDR10+, 500 nits (typ)
Cover display

AMOLED

-
Cover display physical size

6.56 inches

-
Cover display resolution

1080 x 2520 pixels

-
Cover display features

120Hz, HDR10+, Dolby Vision, 1000 nits (HBM), 1300 nits (peak)

-

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 50 MP, f/1.8 , 1/1.56" , 1.0 µm

(wide) , 64 MP, f/1.8 , 1/1.72" , 0.8 µm, 26 mm
(telephoto) , 8 MP, f/2.6 , 45 mm, 2x optical zoom

(ultrawide) , 8 MP, f/2.2 , 16 mm, 120˚ , 1/4.0" , 1.12 µm
123 , (ultrawide) , 13 MP, f/2.4 , 15 mm, 1.12 µm

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

8190 x 6120 pixels

9280 x 6920 pixels
Primary camera video

8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS

4K@30fps (no OIS), 1080p@30/60fps
Primary camera flash

dual LED flash

LED flash
Camera features

Autofocus, continuous autofocus, 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, Dolby Vision, Leica Native Dual Quality, super night 2.0

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

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 20 MP, f/2.4 , 27 mm, 1/3.4" , 0.8 µm

(wide) , 44 MP, f/2.0
Selfie camera resolution

5184 x 3880 pixels

-
Selfie camera features

Face unlock, HDR, Dolby Vision

Autofocus, face unlock, HDR
Selfie camera video

1080p@30/60fps, 720p@120fps

4K@30fps (no OIS), 1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

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

Yes
USB

Type-C

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

Yes

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

-
NavIC

Yes

-

Features
Sensors

Accelerometer, barometer, compass, color spectrum, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

4000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

Quick Charge 4+, 67W (100% in 40 min)

Yes (63% in 30 min)