Sigma Mobile X-style Tab A83 vs Xiaomi Mix 4

Sigma Mobile X-style Tab A83

Xiaomi Mix 4

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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
5G network

-

5G band 1, 3, 5, 8, 28, 41, 77, 78, 79 SA/NSA/Sub6
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE-A, 1174 Mbps download, 210 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Class 8

Design
Build

Plastic, metal

Glass front (Gorilla Glass Victus), ceramic back, aluminum frame
SIM

Micro-SIM

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

123 mm

162.6 mm
Width

207 mm

75.4 mm
Thickness

9 mm

8 mm
Weight

360 g

225 g
Splash resistant

-

IP53
Dust proof

-

IP53
Colors

Black, Gray

Black, Gray, White

Display
Display type

IPS capacitive touchscreen

AMOLED
Physical size

8 inches

6.67 inches
Resolution

1280 x 800 pixels

1080 x 2400 pixels
Pixel density

189 ppi

395 ppi
Display colors

16777216

1073741824
Protection

-

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass Victus
Multitouch

Yes

-
Display features

-

120Hz, HDR10+, Dolby Vision, 800 nits (HBM), Wide color gamut, True-tone

Main camera
Camera type

Single

Triple
Main camera

5 MP

108 MP, (wide) , f/1.9 , 24 mm, 1/1.33" , 0.8 µm
(periscope telephoto) , 8 MP, f/4.1 , 120 mm, 5x optical zoom
123˚ , (ultrawide) , 13 MP, f/2.2 , 12 mm, 1/3.06" , 1.12 µm
Primary camera resolution

2592 x 1944 pixels

-
Primary camera video

720p@30fps

8K@24fps, 4K@30/60fps, 1080p@30/60/120/480fps; gyro-EIS, HDR10+
Primary camera flash

LED flash

dual-LED flash
Camera features

Continuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Autofocus, continuous shooting, digital zoom, optical 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, phase detection autofocus, laser autofocus, AI 2.0, night mode 2.0, stagger HDR

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

microUSB 2.0

Type-C 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
Bluetooth AptX

-

aptX HD
Infrared

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes