BLU F91 vs Sony Xperia 5 IV

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100
4G network

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

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 - USA, Europe; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 34, 38, 39, 40, 41, 46, 66 - Asia
5G network

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - USA, Europe; 1, 3, 5, 7, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - Asia
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A
GPRS

No

Yes
EDGE

Yes

Yes

Design
Build

-

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

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

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

168.7 mm

156 mm
Width

76.8 mm

67 mm
Thickness

8.9 mm

8.2 mm
Weight

209 g

172 g
Waterproof

-

IP65/IP68 (1.5m and 30 mins)
Dust proof

-

IP65/IP68
Colors

Blue

Black, Green, White

Main camera
Camera type

Quad

Triple
Main camera

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

(wide) , 12 MP, f/1.7 , 1/1.7" , 1.8 µm, 24 mm
(ultrawide) , 5 MP, f/2.2 , 115˚

(telephoto) , 12 MP, f/2.4 , 60 mm, 1/3.5"
(macro) , 2 MP, f/2.4

(ultrawide) , 12 MP, f/2.2 , 124˚ , 16 mm, 1/2.5"
(depth) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

4032 x 3024 pixels
Primary camera video

4K@30fps, 1080p@30fps

4K@24/25/30/60/120fps HDR, 1080p@30/60/120/240fps; 5-axis gyro-EIS, OIS
Primary camera optics

-

Zeiss optics, Zeiss T* lens coating
Primary camera flash

LED flash

LED flash
Camera features

-

Autofocus, continuous 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, Real-time eye AF, Real-time tracking, cinematography pro, object tracking for video, 5-axis stabilization

Selfie camera
Selfie camera type

Single

-
Selfie camera

16 MP, f/2.0

12 MP, f/2.0 , (wide) , 78˚ , 24 mm, 1/2.9" , 1.25 µm
Selfie camera resolution

-

3264 x 2448 pixels
Selfie camera features

-

Face unlock, HDR
Selfie camera video

1080p@30fps

4K@30fps, 1080p@30/60fps, 5-axis gyro-EIS

Connectivity
WLAN

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

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
WiFi Tri-Band

-

Yes
WLAN DLNA

-

Yes
USB

Type-C 2.0

Type-C 3.1, video output
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

LE

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

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