BLU F91 vs Samsung Galaxy A31

BLU F91

Samsung Galaxy A31

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 2, 4, 5, 12, 13, 17, 25, 26, 41, 66, 71

LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 25(1900)
5G network

5G band 2, 5, 25, 41, 66, 71, 77 SA/NSA/Sub6

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE, Cat10, 452 Mbps download, 102 Mbps upload
GPRS

No

Yes
EDGE

Yes

Yes

Design
Build

-

Plastic
SIM

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

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

168.7 mm

159.3 mm
Width

76.8 mm

73.1 mm
Thickness

8.9 mm

8.6 mm
Weight

209 g

185 g
Colors

Blue

Black, Blue, Red, White

Main camera
Camera type

Quad

Quad
Main camera

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 30x digital zoom

48 MP, f/2.0 , 1/2.0" , 0.8 µm
(ultrawide) , 5 MP, f/2.2 , 115˚

8 MP, f/2.2 , 13 mm, 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4

5 MP, f/2.4
(depth) , 2 MP, f/2.4

5 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

8000 x 6000 pixels
Primary camera video

4K@30fps, 1080p@30fps

1080p@30fps
Primary camera flash

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

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11ac

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

LE

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes