vivo NEX Dual Display vs vivo X7

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 900, 1800
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 1900, 2100; CDMA2000 1x; TD-SCDMA
4G network

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 19(800), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)

LTE frequency band 1(2100), 3(1800), 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-A (4CA), Cat16, 1024 Mbps download, 150 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

-
SIM

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

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

157.2 mm

147.3 mm
Width

75.3 mm

71.3 mm
Thickness

8.1 mm

7.2 mm
Weight

199 g

151 g
Colors

Blue

Gold, Rose Gold

Display
Display type

Super AMOLED capacitive touchscreen

Super AMOLED capacitive touchscreen
Physical size

6.39 inches

5.2 inches
Resolution

1080 x 2340 pixels

1080 x 1920 pixels
Pixel density

403 ppi

424 ppi
Display colors

16777216

16777216
Protection

Scratch resistant

-
Multitouch

Yes

Yes
Secondary screen resolution

1080 x 1920 pixels

-
Secondary screen physical size

5.49 inches

-
Secondary display

Super AMOLED

-

Hardware
CPU

Octa-core

-
CPU

Quad-core 2.7 GHz Kryo 385 Gold

Quad-core 1.8 GHz Cortex-A72 ARM
CPU(second)

quad-core 1.7 GHz Kryo 385 Silver

quad-core 1.4 GHz Cortex-A53 ARM
Chipset

Qualcomm SDM845 Snapdragon 845

Qualcomm MSM8976 Snapdragon 652
GPU

Adreno 630

Adreno 510
Memory RAM

10 GB

4 GB
Internal storage

128 GB

64 GB
Memory card

No

microSD
Memory card max

-

256 GB

Main camera
Camera type

Triple

-
Main camera

12 MP, f/1.8 , 1/2.55" , 1.4 µm

13 MP, f/2.2
2 MP, f/1.8
TOF(time of flight) , f/1.3
Primary camera resolution

4032 x 3024 pixels

-
Primary camera video

2160p@30fps, 1080p@30fps

1080p@30fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Primary camera phase detection autofocus

dual pixel phase detection autofocus

-
Camera features

Autofocus, continuous shooting, digital zoom, 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, panorama, touch focus

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging Push Email

-

Push Email
Java

-

No
Sensors

Accelerometer, compass, fingerprint, gyroscope, light, proximity

Fingerprint, accelerometer, compass, gyro, proximity