Fairphone 4 vs vivo Z3x

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 1900, 2100, TD-SCDMA 1880-1920, 2010-2025
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 28, 32, 38, 40, 41, 71

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

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 71, 77, 78 SA/NSA/Sub6

-
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
EV-DO speed

-

3.1 Mbps download, 1.8 Mbps upload
LTE speed

LTE-A (4CA), Cat18, 1200 Mbps download, 150 Mbps upload

LTE Cat 12, 603.0 Mbps download, 102.0 Mbps upload
5G speed

2.3 Gbps download

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic back, plastic frame

Aluminium alloy, glass
SIM

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

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

162 mm

154.81 mm
Width

75.5 mm

75.03 mm
Thickness

10.5 mm

7.89 mm
Weight

225 g

150 g
Waterproof

IP54

-
Dust proof

IP54

-
MIL-STD-810G

Yes

-
Colors

Gray, Green, Speckled Green

Blue, Black, Red

Display
Display type

IPS LCD

IPS capacitive touchscreen
Physical size

6.3 inches

6.26 inches
Resolution

1080 x 2340 pixels

1080 x 2280 pixels
Pixel density

409 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 5

2.5D curved glass screen
Multitouch

-

Yes

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core 2.2 GHz Kryo 570

Quad-core 2.2 GHz Kryo 260
CPU(second)

Hexa-core 1.8 GHz Kryo 570

quad-core 1.84 GHz Kryo 260
Chipset

Qualcomm SM7225 Snapdragon 750G 5G

Qualcomm Snapdragon 660 MSM8976 Plus
GPU

Adreno 619

Adreno 512
Memory RAM

6, 8 GB

4 GB
Internal storage

128, 256 GB

64 GB
Memory card

microSD, microSDHC, microSDXC

microSD, microSDHC, microSDXC
Memory card max

2 TB

256 GB

Main camera
Camera type

Triple

Dual
Main camera

(wide) , 48 MP, f/1.6 , 1/2.0" , 0.8 µm, 8x digital zoom

13 MP, f/2.2
(ultrawide) , 48 MP, f/2.2 , 120˚ , 1/2.0" , 0.8 µm

2 MP, f/2.4
TOF 3D
Primary camera resolution

8000 x 6000 pixels

4160 x 3120 pixels
Primary camera video

4K@30fps, 1080p@30/60fps, gyro-EIS

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

dual-LED dual-tone flash

dual LED 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, scene-mode, phase detection autofocus

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

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 25 MP, f/2.2 , 1/2.78" , 0.9 µm

16 MP, f/2.0
Selfie camera resolution

-

4608 x 3456 pixels
Selfie camera features

Digital image stabilization, face detection, face unlock, HDR

-
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30fps

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 3.0, DisplayPort

microUSB 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.1

v4.2
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

-