Digma Optima 7018N 4G vs Infinix S4

Digma Optima 7018N 4G

Infinix S4

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900
3G network

HSDPA 1900

WCDMA 850, 900, 2100
4G network

LTE frequency band 1(2100), 3(1800), 7(2600)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 38(2600), 40(2300), 41(2500)
HSDPA speed

-

42 Mbps
HSUPA speed

-

11.5 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 51 Mbps upload

LTE Cat 6, 301.5 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

-
SIM

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

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

109 mm

156 mm
Width

190 mm

75 mm
Thickness

9.2 mm

7.9 mm
Weight

270 g

154 g
Colors

Black

Black, Red, Purple, Blue

Main camera
Camera type

-

Triple
Main camera

2 MP

13 MP, f/1.9 , 1.12 µm
8 MP, f/2.4
2 MP, f/2.8
Primary camera resolution

1600 x 1200 pixels

4160 x 3120 pixels
Primary camera video

720p@30fps

1080p@30fps
Primary camera flash

-

Quad LED flash
Camera features

Continuous shooting, digital zoom, geotagging, HDR, scene mode

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

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

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.0

v4.2
Bluetooth A2DP

Yes

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes