BLU Vivo X vs vivo NEX 3S 5G

Network
2G network

GSM 850, 900, 1800, 1900

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

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

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(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), 26(850), 20(800), 25(1900), 28(700), 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 Cat18, 1.2 Gbps download, 221 Mbps upload
LTE-A speed

LTE-A, (2CA) Cat6, 300 Mbps download, 50 Mbps upload

-
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, plastic

Glass front, glass back, aluminum frame
SIM

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

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

160 mm

167.4 mm
Width

76.8 mm

76.1 mm
Thickness

8.2 mm

9.4 mm
Weight

188 g

219.5 g
Colors

Black

Black, Blue, Orange

Display
Display type

IPS LCD capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.0 inches

6.89 inches
Resolution

720 x 1440 pixels

1080 x 2256 pixels
Pixel density

268 ppi

363 ppi
Display colors

16777216

16777216
Protection

Corning Gorilla Glass 3

Scratch resistant, 3D curved glass screen
Multitouch

Yes

Yes

Main camera
Camera type

Dual

Triple
Main camera

13 MP, 1/3" , 1.12 µm

64 MP, 1/1.72" , 0.8 µm, f/1.8 , 26 mm
5 MP, 1/5" , 1.12 µm

13 MP, f/2.5 , 52 mm, 2x optical zoom
13 MP, f/2.2 , 13 mm
Primary camera resolution

4160 x 3120 pixels

-
Primary camera video

1080p@30fps

2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Primary camera Autofocus

phase detection autofocus

-
Primary camera flash

LED flash

LED flash
Camera features

Geo-tagging, HDR, face detection, 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, phase detection autofocus

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
Wi-Fi display

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

microUSB 2.0

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

-

Yes
Bluetooth

v4.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

-

Yes
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 Email

Push Email

-
Sensors

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

Accelerometer, compass, fingerprint, gyroscope, light, proximity, in-display fingerprint sensor