Digma Optima Prime 4 3G vs Xiaomi Black Shark 2 Pro

Digma Optima Prime 4 3G

Xiaomi Black Shark 2 Pro

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 1900

HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
4G network

-

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE Cat18, 1200 Mbps download, 50 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Aluminium alloy
SIM

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

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

107.8 mm

163.6 mm
Width

188 mm

75 mm
Thickness

10 mm

8.8 mm
Weight

270 g

205 g
Colors

Black

Black, Blue, Gold, Green, Orange, Purple, Silver

Display
Display type

TN

Super AMOLED
Physical size

7 inches

6.39 inches
Resolution

1024 x 600 pixels

1080 x 2340 pixels
Pixel density

170 ppi

403 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 6
Multitouch

Yes

Yes
Display features

-

Always-on display, 100% DCI-P3, HDR10

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

-

Yes
WLAN WiFi Direct

-

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

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

-

Yes
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
Beidou

-

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer

Accelerometer, barometer, compass, fingerprint, hall, gyroscope, light, proximity, in-display optical fingerprint sensor

Main camera
Camera type

-

Dual
Main camera

48 MP, f/1.8 , 1/2" , 0.8 µm, 2x optical zoom
12 MP, f/2.2 , 1.0 µm
Primary camera resolution

-

8000 x 6000 pixels
Primary camera video

-

2160p@30/60fps, 1080p@30/60fps, 720p@1920fps
Primary camera flash

-

dual LED flash
Camera features

-

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