Digma Optima Prime 4 3G vs UMIDIGI A7s

Digma Optima Prime 4 3G

UMIDIGI A7s

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 1900

HSDPA 850, 900, 1900, 2100
4G network

-

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 17, 18, 19, 20, 28, 40, 41
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
LTE speed

-

LTE, Cat6, 301 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Plastic, metal
SIM

Dual SIM (Micro-SIM/Mini-SIM, dual stand-by)

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

107.8 mm

164 mm
Width

188 mm

77.14 mm
Thickness

10 mm

9.45 mm
Weight

270 g

195 g
Colors

Black

Blue, Gray, Green

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.0

v4.0
Bluetooth A2DP

Yes

-
bluetooth HID

-

Yes
NFC

-

No
GPS

Yes, with A-GPS

Yes, with A-GPS

Features
Sensors

Accelerometer

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

Main camera
Camera type

-

Triple
Main camera

13 MP, f/1.8 , 0.26" , 1.13 µm
8 MP, 120˚ , 1/4" , 1.12 µm
2 MP
Primary camera resolution

-

4608 x 3456 pixels
Primary camera video

-

720p@30fps
Primary camera 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

UMIDIGI A7s comparisons