Digma Optima 8027 3G vs Nomu T20

Digma Optima 8027 3G

Nomu T20

Network
2G network

GSM 900, 1800

GSM 850, 900, 1800, 1900; CDMA 800
3G network

HSDPA 2100

HSDPA 850, 900, 1900, 2100
4G network

-

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 39(1900), 40(2300), 41(2500)
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE, Cat6, 301.5 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic

Aluminium alloy, polycarbonate
SIM

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

Dual SIM (Nano-SIM/NanoSIM(microSD))
Height

123 mm

156.5 mm
Width

208 mm

77.2 mm
Thickness

10 mm

17.8 mm
Weight

320 g

-
Waterproof

-

Yes, IP69K
Dust proof

-

Yes, IP69K
MIL-STD-810G

-

Yes
Colors

Black

Black, Yellow

Main camera
Main camera

2 MP

8 MP, f/2.0
Primary camera resolution

1600 x 1200 pixels

3264 x 2448 pixels
Primary camera video

720p@30fps

720p@30fps
Primary camera flash

-

dual-LED flash
Camera features

Continuous shooting, digital zoom, geotagging, HDR, white balance settings, scene mode

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

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

Type-C reversible connector
USB On-The-Go

-

Yes
Bluetooth

v4.2

v4.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
Bluetooth EDR

-

Yes
NFC

-

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes