BLU G91 Max vs ZTE Blade A31 Plus

BLU G91 Max

ZTE Blade A31 Plus

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 28, 38

LTE frequency band 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
HSDPA speed

42.2 Mbps

21.1 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE, 151 Mbps download, 51 Mbps upload
GPRS

No

Yes
EDGE

Yes

Yes

Main camera
Camera type

Quad

Single
Main camera

(wide) , 108 MP, f/1.8 , 1/1.52" , 0.7 µm, 30x digital zoom

5 MP, f/1.8
(ultrawide) , 5 MP, f/2.2 , 115˚
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Interpolated resolution

-

8 MP
Primary camera resolution

12000 x 9000 pixels

3264 x 2448 pixels
Primary camera video

4K@30fps, 1080p@30fps

720p@30fps
Primary camera flash

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, night mode

HDR

Connectivity
WLAN

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

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
USB

Type-C 2.0

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.1

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

LE

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes