General Mobile GM 20 vs Huawei Mate X3

General Mobile GM 20

Huawei Mate X3

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 7, 8, 20, 38, 40

LTE frequency band 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41
5G network

-

5G band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 102 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Polycarbonate

Glass front, glass back or eco leather back, aluminum frame
SIM

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

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

154.5 mm

156.9 mm
Width

73 mm

72.4 mm
Thickness

8.8 mm

11.8 mm
Height unfolded

-

156.9 mm
Width unfolded

-

141.5 mm
Thickness unfolded

-

5.3 mm
Weight

160 g

239/241 g
Waterproof

-

IPX8
Dust proof

-

IPX8
Colors

Black, Blue, Green

Black, Dark Green, Gold, Purple, White

Display
Display type

IPS

Foldable OLED
Physical size

6.09 inches

7.85 inches
Resolution

720 x 1560 pixels

2224 x 2496 pixels
Pixel density

282 ppi

426 ppi
Display colors

16777216

1073741824
Protection

Scratch resistant, 2.5D curved glass screen, Oleophobic coating

Kunlun Glass (cover display only)
Display features

-

120Hz
Cover display

-

OLED
Cover display physical size

-

6.4 inches
Cover display resolution

-

1080 x 2504 pixels

Main camera
Camera type

Triple

Triple
Main camera

13 MP, f/1.8

50 MP, f/1.9 , (wide) , 23 mm, 50x digital zoom
5 MP

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

13 MP, (ultrawide) , f/2.2 , 13 mm
Primary camera resolution

4160 x 3120 pixels

8192 x 6144 pixels
Primary camera video

1080p@30fps

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

dual-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, 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, macro-mode, phase detection autofocus, XMAGE

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 2.0

Type-C 3.1, Display Port 1.2
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Infrared

-

Yes
NFC

-

Yes; NFC-SIM, HCE
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
Beidou

BeiDou

-
BDS

-

Yes
QZSS

-

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

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