Oppo Reno Ace vs ZTE nubia Z18 mini

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

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

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 19(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSPA speed

-

HSPA
EV-DO speed

3.1 Mbps download, 1.8 Mbps upload

-
LTE speed

LTE Cat15, 798 Mbps download, 226 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass, aluminium alloy
SIM

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

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

161 mm

148 mm
Width

75.7 mm

70.6 mm
Thickness

8.7 mm

7.6 mm
Weight

200 g

153 g
Colors

Purple, Blue

Celadon blue, Diamond black, Glacier White, Provence Edition, Ying Yu powder

Display
Display type

AMOLED capacitive touchscreen

LTPS IPS LCD capacitive touchscreen
Physical size

6.5 inches

5.7 inches
Resolution

1080 x 2400 pixels

1080 x 2160 pixels
Pixel density

405 ppi

424 ppi
Display colors

16777216

16777216
Protection

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

2.5D curved glass screen
Multitouch

Yes

Yes
Display features

HDR, DCI-P3 100%

-

Main camera
Camera type

Quad

Dual
Main camera

48 MP, f/1.7 , 1/2.0" , 0.8 µm, 2x optical zoom

24 MP, f/1.7
13 MP, f/2.4 , 1/3.4" , 1.0 µm

5 MP
8 MP, f/2.2 , 1/3.2" , 1.4 µm
2 MP, f/2.4 , 1/5" , 1.75 µm
Primary camera resolution

8000 x 6000 pixels

5632 x 4224 pixels
Primary camera video

2160p@30/60fps, 1080p@30/60/120fps (gyro-EIS); video rec. only with main camera

2160p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

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

Geo-tagging, HDR, face detection, touch focus

Connectivity
WLAN

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

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

Yes

-
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C reversible connector
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth EDR

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

-
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity