UMIDIGI A9 Max vs vivo V21s

UMIDIGI A9 Max

vivo V21s

Network
2G network

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

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700, 1900, 2100

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

LTE frequency band 1, 2, 3, 4, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G network

-

5G band 1, 28, 40, 41, 77, 78, 79 SA/NSA
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, Cat6, 301 Mbps download, 51 Mbps upload

LTE-A, Cat12, 1200 Mbps download, 150 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass, Metal

Plastic
SIM

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

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

158.70 mm

159.7 mm
Width

74.90 mm

73.9 mm
Thickness

8.60 mm

7.3 mm
Weight

205 g

176 / 177 g
Colors

Black, Blue, Green

Blue, Gradient

Display
Display type

IPS LCD

AMOLED
Physical size

6.3 inches

6.44 inches
Resolution

1080 x 2340 pixels

1080 x 2404 pixels
Pixel density

409 ppi

409 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, LTPS (Low Temperature PolySilicon)

Scratch resistant

Main camera
Camera type

Quad

Triple
Main camera

48 MP, f/1.79 , 1/2" , 0.8 µm

64 MP, f/1.8 , 0.7 µm, (wide) , 26 mm
(ultrawide) , 16 MP, 120˚

(ultrawide) , 8 MP, 120˚ , f/2.2 , 16 mm, 1/4.0" , 1.12 µm
(depth) , 5 MP

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

8000 x 6000 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/60fps
Primary camera flash

dual-LED flash

LED flash
Camera features

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

Autofocus, continuous shooting, digital zoom, digital image stabilization, optical 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

24 MP, f/2.0

44 MP, f/2.0 , (wide) , 150 mm
Selfie camera features

Face unlock

Autofocus, face unlock, HDR, optical image stabilization
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30fps

Connectivity
WLAN

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

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

Yes

-
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth HID

Yes

-
bluetooth LE

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

-

Yes
BDS

Yes

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, non-contact infrared thermometr, proximity

Accelerometer, compass, fingerprint, gyroscope, proximity