Asus Zenfone 3 Ultra ZU680KL vs Digma Optima 1024N 4G

Asus Zenfone 3 Ultra ZU680KL

Digma Optima 1024N 4G

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1900, 2100

HSDPA 2100
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500)

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

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
LTE speed

LTE, Cat6, 300 Mbps download, 50 Mbps upload

LTE, Cat4, 150 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Plastic
SIM

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

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

186.4 mm

159 mm
Width

93.9 mm

250 mm
Thickness

6.8 mm

10 mm
Weight

233 g

508 g
Colors

Glacier Silver, Metallic Pink, Titanium Gray

Black

Main camera
Main camera

23 MP, f/2.0
Primary camera resolution

-

640 x 480 pixels
Primary camera video

1080p@30fps

-
Primary camera flash

dual-LED (dual tone) flash

LED
Primary camera optical image stabilization

4-axis optical image stabilization

-
Primary camera phase detection autofocus

phase detection autofocus

-
Primary camera laser autofocus

laser autofocus

-
Camera features

1 µm pixel size, 1/2.6" sensor size, HDR, face detection, geo-tagging, panorama, touch focus

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, scene mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

-
USB

Type-C 1.0 reversible connector

microUSB 2.0
USB On-The-Go

Yes

-
Bluetooth

v4.2

v4.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

-
Bluetooth EDR

Yes

-
Infrared

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

-
BDS

Yes

-