Nokia 5.3 vs ZTE nubia X

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1900, 2100 - global; HSDPA 850, 900, 1700(AWS), 1900, 2100 - Americas; HSDPA 850, 900, 2100 - India

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

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - global; LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 28(700), 38(2600), 66(1700/2100) - Americas; LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 40(2300), 41(2500) - India

LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE-A (6CA), Cat18, 1200 Mbps download, 150 Mbps upload
5G speed

2.4 Gbps download, 1.2 Gbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 3), plastic back, plastic frame

Aluminium alloy, glass
SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

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

164.3 mm

154.1 mm
Width

76.6 mm

73.3 mm
Thickness

8.5 mm

8.4 mm
Weight

185 g

181 g
Colors

Charcoal, Cyan, Sand

Black, Blue, Gray

Display
Display type

IPS LCD capacitive touchscreen

LTPS IPS LCD capacitive touchscreen
Physical size

6.55 inches

6.26 inches
Resolution

720 x 1600 pixels

1080 x 2280 pixels
Pixel density

268 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3, LTPS(Low temperature PolySilicon)
Multitouch

Yes

Yes
Display features

450 nits typ. brightness

-
Secondary screen resolution

-

720 x 1520 pixels
Secondary screen physical size

-

5.1 inches
Secondary display

-

OLED
Secondary display protection

-

Corning Gorilla Glass 3

Hardware
CPU

Octa-core

Octa-core
CPU

Quad-core 2.0 GHz Kryo 260 Gold

Quad-core 2.65 GHz Kryo 385 Gold
CPU(second)

quad-core 1.8 GHz Kryo 260 Silver

quad-core 1.8 GHz Kryo 385 Silver
Chipset

Qualcomm SM6125 Snapdragon 665

Qualcomm SDM845 Snapdragon 845
GPU

Adreno 610

Adreno 630
Memory RAM

3, 4, 6 GB

6, 8 GB
Internal storage

64 GB

64, 128, 256 GB
Memory card

microSD, microSDHC, microSDXC

-
Memory card max

512 GB

-

Main camera
Camera type

Quad

Dual
Main camera

13 MP, f/1.8

24 MP, f/1.8
5 MP, 13 mm

24 MP, f/1.7
2 MP
2 MP
Primary camera resolution

4160 x 3120 pixels

4608 x 3456 pixels
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30fps
Primary camera flash

LED flash

dual-LED flash
Primary camera phase detection autofocus

-

phase detection autofocus
Camera features

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

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

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 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 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

Yes

-
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
Beidou

-

Yes
BDS

Yes

-