BLU S91 vs Xiaomi Redmi 9

BLU S91

Xiaomi Redmi 9

Network
2G network

GSM 850, 900, 1800, 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, 5, 7, 12, 13, 17, 28, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

IPS LCD capacitive touchscreen
Physical size

6.5 inches

6.53 inches
Resolution

720 x 1600 pixels

1080 x 2340 pixels
Pixel density

270 ppi

395 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 13 MP

13 MP, f/2.2 , 28 mm, 1/3.1" , 1.12 µm
(macro) , 0.3 MP, f/2.4

8 MP, f/2.2 , 1/4.0" , 1.12 µm
(depth) , 0.3 MP, f/2.4

5 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

-

Autofocus, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
USB

Type-C 2.0

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

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

No

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
Beidou

-

Yes