alcatel 3x vs vivo iQOO 3 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

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)

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
5G network

-

5G band 1(2100), 3(1800), 41(2500), 77(3700), 78(3500), 79(4700); SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.5 Mbps

5.76 Mbps
LTE speed

LTE, Cat4, 150 Mbps download, 50 Mbps upload

LTE Cat20
5G speed

-

3.3 Gbps download
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Plastic, metal

Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
SIM

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

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

153.5 mm

158.5 mm
Width

71.6 mm

74.9 mm
Thickness

8.5 mm

9.2 mm
Weight

144 g

214.5 g
Colors

Metallic Black, Metallic Blue, Metallic Gold, Spectrum Black, Spectrum Blue, Spectrum Gold

Blue, Orange, Silver

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

5.7 inches

6.44 inches
Resolution

720 x 1440 pixels

1080 x 2400 pixels
Pixel density

282 ppi

409 ppi
Display colors

16777216

16777216
Protection

-

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

Yes

Yes
Display features

-

HDR10+, 180Hz touch-sensing

Main camera
Camera type

Dual

Quad
Main camera

13 MP, f/2.0 , 1/3" , 1.12 µm

48 MP, f/1.8 , 1/2.0" , 0.8 µm
5 MP, f/2.2 , 1/5" , 1.12 µm

13 MP, f/2.5 , 50 mm, 2x optical zoom
13 MP, f/2.2 , 16 mm
2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

8000 x 6000 pixels
Primary camera video

1080p@30fps

2160p@30/60fps, 1080p@30fps; gyro-EIS
Primary camera Autofocus

autofocus

-
Primary camera flash

dual-LED dual-tone flash

LED flash
Camera features

Geo-tagging, HDR, face detection, panorama, touch focus

Autofocus, continuous shooting, digital zoom, optical 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, macro mode, phase detection autofocus super night mode

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

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

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

Yes
Bluetooth

v4.2

v5.1
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes

Features
Messaging SMS

SMS(threaded view)

-
Messaging MMS

MMS

-
Messaging Email

Email

-
Messaging IM

IM

-
Messaging Push Mail

Push Mail

-
Sensors

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

Accelerometer, compass, fingerprint, gyro, proximity