BLU F91 vs UMIDIGI A7s

BLU F91

UMIDIGI A7s

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, 2, 3, 4, 5, 7, 8, 17, 18, 19, 20, 28, 40, 41
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, Cat6, 301 Mbps download, 51 Mbps upload
GPRS

No

Yes
EDGE

Yes

Yes

Main camera
Camera type

Quad

Triple
Main camera

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

13 MP, f/1.8 , 0.26" , 1.13 µm
(ultrawide) , 5 MP, f/2.2 , 115˚

8 MP, 120˚ , 1/4" , 1.12 µm
(macro) , 2 MP, f/2.4

2 MP
(depth) , 2 MP, f/2.4
Primary camera resolution

8000 x 6000 pixels

4608 x 3456 pixels
Primary camera video

4K@30fps, 1080p@30fps

720p@30fps
Primary camera flash

LED flash

dual-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, phase detection autofocus

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
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v4.0
Bluetooth A2DP

Yes

-
bluetooth HID

-

Yes
bluetooth LE

LE

-
NFC

Yes

No
GPS

Yes, with A-GPS

Yes, with A-GPS

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, compass, fingerprint, gyroscope, infrared thermometer, light, proximity