The Vivo NEX Dual Display comes with 10 GB of RAM and 128 GB of internal memory which can be expanded via microSD. The Vivo NEX Dual Display boasts of the 12/2-megapixels rear camera plus TOF 3D camera and no front camera but use main camera for selfies and video calling.
The Vivo NEX comes with 6 GB of RAM and 128 GB of internal memory which can not be expanded via microSD. The Vivo NEX boasts of the 12/5-megapixels dual rear camera and 8-megapixel pop-up front camera for selfies and video calling.
The Vivo X23 Symphony Edition comes with 6 GB of RAM and 128 GB of internal memory which can be expanded via microSD. The Vivo X23 Symphony Edition boasts of the 12/13-megapixels dual rear camera and 25-megapixels front camera for selfies and video calling.
Vivo NEX Dual Display
|
Vivo NEX
|
Vivo X23 Symphony Edition
|
|
Brand and Model
|
Brand and Model
|
Brand and
Model
|
|
Brand
|
Vivo
|
Vivo
|
Vivo
|
Model
|
NEX Dual Display
|
NEX
|
X23 Symphony Edition
|
Model Alias
|
NEX Dual Screen
|
NEX A
|
|
V1821T
|
PD1806
|
||
V1821A
|
|||
SIM Card
|
SIM Card
|
SIM Card
|
|
SIM Card Type
|
Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x
0.67 mm)
|
Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x
0.67 mm)
|
Nano-SIM (4FF-fourth form factor, since 2012, 12.30 x 8.80 x
0.67 mm)
|
Nano-SIM / microSD
|
|||
Number of SIM Cards
|
2
|
2
|
2
|
Features
|
Dual SIM stand-by
|
Dual SIM stand-by
|
Dual SIM stand-by
|
Networks
|
Networks
|
Networks
|
|
Network
|
GSM / LTE / UMTS / TD-SCDMA / CDMA
|
GSM / LTE / UMTS / TD-SCDMA / CDMA
|
GSM / LTE / UMTS / CDMA / TD-SCDMA
|
Mobile Network Technology and Bandwidth
|
Mobile Network Technology and Bandwidth
|
Mobile Network Technology and Bandwidth
|
|
Mobile Network Technologies
|
UMTS (384 kbit/s)
|
UMTS (384 kbit/s)
|
UMTS (384 kbit/s)
|
EDGE
|
EDGE
|
EDGE
|
|
GPRS
|
GPRS
|
GPRS
|
|
HSPA+
|
HSPA+
|
HSPA+
|
|
LTE Cat 16 (150 Mbit/s, 1 Gbit/s)
|
LTE Cat 12 (102.0 Mbit/s, 603.0 Mbit/s)
|
LTE Cat 12 (102.0 Mbit/s, 603-.0 Mbit/s)
|
|
EV-DO Rev. A (1.8 Mbit/s, 3.1 Mbit/s)
|
EV-DO Rev. A (1.8 Mbit/s, 3.1 Mbit/s)
|
EV-Do Rev. A (1.8 Mbit/s, 3.1 Mbit/s)
|
|
TD-SCDMA
|
TD-SCDMA
|
TD-SCDMA
|
|
TD-HSDPA
|
TD-HSDPA
|
TD-HSDPA
|
|
Operating System
|
Operating System
|
Operating System
|
|
Operating System (OS)
|
Funtouch 4.5 OS (Android 9.0 Pie)
|
Funtouch 4.0 OS (Android 8.1 Oreo)
|
Funtouch 4.5 OS (Android 8.1 Oreo)
|
System on Chip (SOC)
|
System on Chip (SOC)
|
System on Chip (SOC)
|
|
SOC
|
Qualcomm Snapdragon 845
|
Qualcomm Snapdragon 710
|
Qualcomm Snapdragon 660 MSM8976
|
Process Technology
|
10 nm
|
10 nm
|
14 nm
|
CPU
|
4x 2.8 GHz Kryo 385
|
2x 2.2 GHz Kryo 360
|
4x 2.2 GHz Kryo 260
|
4x 1.8 GHz Kryo 385
|
6x 1.7 GHz Kryo 360
|
4x 1.84 GHz Kryo 260
|
|
CPU Bits
|
64 bits
|
64 bits
|
64 bits
|
Instruction Set
|
ARMv8-A
|
ARMv8
|
ARMv8
|
CPU Frequency
|
2800 MHz
|
2200 MHz
|
2200 MHz
|
CPU Cores
|
8
|
8
|
8
|
GPU
|
Qualcomm Adreno 630
|
Qualcomm Adreno 616
|
Qualcomm Adreno 512
|
RAM Capacity
|
10 GB
|
6 GB
|
6 GB
|
RAM Type
|
LPDDR4X
|
LPDDR4X
|
LPDDR4X
|
RAM Channels
|
Double channel
|
Double channel
|
Double channel
|
RAM Frequency
|
1866 MHz
|
1866 MHz
|
1866 MHz
|
Storage
|
Storage
|
Storage
|
|
Storage
|
128 GB
|
128 GB
|
128 GB
|
Memory Cards
|
Memory Cards
|
Memory
Cards
|
|
Types
|
microSD
|
No Card
|
microSD
|
microSDHC
|
microSDHC
|
||
microSDXC
|
microSDXC
|
||
Display
|
Display
|
Display
|
|
Type / Technology
|
Super AMOLED
|
Super AMOLED
|
|
Diagonal Size
|
6.39 in
|
6.59 in
|
6.41 in
|
162.31 mm
|
167.39 mm
|
162.81 mm
|
|
16.23 cm
|
16.74 cm
|
16.28 cm
|
|
Width
|
2.68 in
|
2.79 in
|
2.69 in
|
68.02 mm
|
70.74 mm
|
68.23 mm
|
|
6.8 cm
|
7.07 cm
|
6.82 cm
|
|
Height
|
5.8 in
|
5.97 in
|
5.82 in
|
147.37 mm
|
151.7 mm
|
147.83 mm
|
|
14.74 cm
|
15.17 cm
|
14.78 cm
|
|
Aspect Ratio
|
2.167:1
|
2.144:1
|
2.167:1
|
Resolution
|
1080 x 2340 pixels
|
1080 x 2316 pixels
|
1080 x 2340 pixels
|
Pixel Density
|
403 ppi
|
388 ppi
|
402 ppi
|
158 ppcm
|
152 ppcm
|
158 ppcm
|
|
Color Depth
|
24 bits
|
24 bits
|
24 bits
|
16777216 colors
|
16777216 colors
|
16777216 colors
|
|
Display Area
|
84.96 %
|
86.31 %
|
85.15 %
|
Other Features
|
Capacitive
|
Capacitive
|
Capacitive
|
Multi-touch
|
Multi-touch
|
Multi-touch
|
|
Scratch resistant
|
Scratch resistant
|
||
COF (Chip-On-Flex)
|
Corning Gorilla Glass 3
|
||
Secondary Display
|
|||
Type / Technology
|
Super AMOLED
|
||
Diagonal Size
|
5.49 in
|
||
Resolution
|
1080 x 1920 pixels
|
||
2.5D curved glass screen
|
|||
Sensors
|
Sensors
|
Sensors
|
|
Sensors
|
Proximity
|
Proximity
|
Proximity
|
Light
|
Light
|
Light
|
|
Accelerometer
|
Accelerometer
|
Accelerometer
|
|
Compass
|
Compass
|
Compass
|
|
Gyroscope
|
Gyroscope
|
Gyroscope
|
|
In-display fingerprint sensor
|
Fingerprint
|
In-display fingerprint sensor
|
|
Infrared face recognition sensor
|
|||
Fingerprint
|
Fingerprint
|
||
Primary Camera
|
Primary Camera
|
Primary Camera
|
|
Sensor type
|
CMOS
|
CMOS
|
CMOS
|
Aperture
|
f/1.79
|
f/1.8
|
f/1.8
|
Flash Type
|
Dual LED
|
Dual LED
|
LED
|
Image Resolution
|
4032 x 3024 pixels
|
4032 x 3024 pixels
|
4032 x 3024 pixels
|
12.19 MP
|
12.19 MP
|
12.19 MP
|
|
Video resolution
|
3840 x 2160 pixels
|
30 fps
|
1920 x 1080 pixels
|
8.29 MP
|
3840 x 2160 pixels
|
2.07 MP
|
|
Video FPS
|
30 fps
|
8.29 MP
|
30 fps
|
Features
|
Autofocus
|
Autofocus
|
Autofocus
|
Continuous shooting
|
Continuous shooting
|
Continuous shooting
|
|
Digital zoom
|
Digital zoom
|
Digital zoom
|
|
Optical image stabilization
|
Optical image stabilization
|
Optical image stabilization
|
|
Geotagging
|
Geotagging
|
Geotagging
|
|
Panorama
|
Panorama
|
Panorama
|
|
HDR
|
HDR
|
HDR
|
|
Touch focus
|
Touch focus
|
Touch focus
|
|
Face detection
|
Face detection
|
Face detection
|
|
White balance setting
|
White balance setting
|
White balance setting
|
|
ISO setting
|
ISO setting
|
ISO setting
|
|
Exposure compensation
|
Exposure compensation
|
Exposure compensation
|
|
Self-timer
|
Self-timer
|
Self-timer
|
|
Scene mode
|
Scene mode
|
Scene mode
|
|
Sensor size - ½.55”
|
Sensor size - ½.55"
|
Sensor size - ½.6”
|
|
Pixel size - 1.4 um
|
Pixel size- 1.4 um
|
Pixel size - 1.4 um
|
|
Phase detection with Dual Pixel
|
Phase detection with Dual Pixel
|
Phase detection with Dual Pixel
|
|
4-axis OIS
|
Dual-core DSP (256 MB)
|
||
Secondary rear camera - 2 MP
|
Secondary rear camera- 5 MP
|
Secondary rear camera - 13 MP (ultra wide-angle)
|
|
Aperture size - f/1.8 (#2)
|
Aperture size- f/2.4 (#2)
|
||
Pixel size - 2.9 um (#2)
|
|||
TOF (Time of Flight) 3D camera
|
|||
Aperture size - f/1.3 (#TOF)
|
|||
Face unlock
|
Wide-angle lens - 125 degree (#2)
|
||
Secondary Camera
|
Secondary Camera
|
Secondary Camera
|
|
Aperture
|
No - uses main camera
|
f/2
|
f/2
|
Image Resolution
|
3264 x 2448 pixels
|
5760 x 4312 pixels
|
|
7.99 MP
|
24.84 MP
|
||
Video Resolution
|
1920 x 1080 pixels
|
1920 x 1080 pixels
|
|
2.07 MP
|
2.07 MP
|
||
Video FPS
|
30 fps
|
30 fps
|
|
Pop-up front camera
|
|||
Audio
|
Audio
|
Audio
|
|
Speaker
|
Loudspeaker
|
Loudspeaker
|
Loudspeaker
|
Asahi Kasei AK4377A
|
Asahi Kasei AK4376A
|
||
Earpiece
|
Screen Sound Casting Technology
|
Earpiece
|
|
Radio
|
Radio
|
Radio
|
|
Radio
|
No
|
No
|
No
|
Tracking / Positioning
|
Tracking / Positioning
|
Tracking / Positioning
|
|
Tracking / Positioning
|
GPS
|
GPS
|
GPS
|
A-GPS
|
A-GPS
|
A-GPS
|
|
GLONASS
|
GLONASS
|
GLONASS
|
|
BeiDou
|
BeiDou
|
BeiDou
|
|
Wi-Fi
|
Wi-Fi
|
Wi-Fi
|
|
Wi-Fi
|
802.11a (IEEE 802.11a-1999)
|
802.11a (IEEE 802.11a-1999)
|
802.11a (IEEE 802.11a-1999)
|
802.11b (IEEE 802.11b-1999)
|
802.11b (IEEE 802.11b-1999)
|
802.11b (IEEE 802.11b-1999)
|
|
802.11g (IEEE 802.11g-1999)
|
802.11g (IEEE 802.11g-2003)
|
802.11g (IEEE 802.11g-1999)
|
|
802.11n (IEEE 802.11n-2003)
|
802.11n (IEEE 802.1n-2009)
|
802.11n (IEEE 802.11n-2003)
|
|
802.11n 5GHz
|
802.11n 5GHz
|
802.11n 5GHz
|
|
802.11ac (IEEE 802.11ac)
|
802.11ac (IEEE 802.11ac)
|
802.11ac (IEEE 802.11ac)
|
|
Dual band
|
Wi-Fi Hotspot
|
Dual band
|
|
Wi-Fi Hotspot
|
Wi-Fi Direct
|
Wi-Fi Hotspot
|
|
Wi-Fi Direct
|
Wi-Fi Direct
|
Wi-Fi Direct
|
|
2x2 MiMO
|
2x2 MU MiMo
|
2x2 MiMO
|
|
Bluetooth
|
Bluetooth
|
Bluetooth
|
|
Version
|
5.0
|
5.0
|
5.0
|
Features
|
A2DP
|
A2DP
|
A2DP
|
USB
|
USB
|
USB
|
|
Connector Type
|
USB Type-C
|
USB Type-C
|
Micro USB
|
Version
|
2.0
|
2.0
|
2.0
|
Features
|
Charging
|
Charging
|
Charging
|
Mass Storage
|
Mass Storage
|
Mass Storage
|
|
On-The-Go
|
On-The-Go
|
On-The-Go
|
|
Headphone Jack
|
Headphone Jack
|
Headphone Jack
|
|
Headphone Jack
|
No
|
Yes
|
Yes
|
Connectivity
|
Connectivity
|
Connectivity
|
|
Connectivity
|
Computer sync
|
Computer sync
|
Computer sync
|
OTA sync
|
OTA sync
|
OTA sync
|
|
Tethering
|
Tethering
|
Tethering
|
|
VoLTE
|
VoLTE
|
VoLTE
|
|
Browser
|
Browser
|
Browser
|
|
Browser
|
HTML
|
HTML
|
HTML
|
HTML5
|
HTML5
|
HTML5
|
|
CSS 3
|
CSS 3
|
CSS 3
|
|
Audio File Formats / Codecs
|
Audio File Formats / Codecs
|
Audio File Formats / Codecs
|
|
Audio File Formats / Codecs
|
AAC
|
AAC
|
AAC
|
AAC+ / aaPlus / HE-AAC v1
|
AAC+ / aacPlus / HE-AAC v1
|
AAC+ / aacPlus / HE-AAC v1
|
|
AMR / AMR-NB / GSM-AMR
|
AMR / AMR-NB / GSM-AMR
|
AMR / AMR-NB / GSM-AMR
|
|
AMR-WB
|
aptX / apt-X
|
||
eAAC+ / aacPlus v2 / HE-AAC v2
|
eAAC+ / aacPlus v2 / HE-AAC v2
|
eAAC+ / aacPlus v2 / HE-AAC v2
|
|
FLAC
|
FLAC
|
FLAC
|
|
MIDI
|
MIDI
|
MIDI
|
|
MP3
|
MP3
|
MP3
|
|
OGG
|
OGG
|
OGG
|
|
WMA
|
WMA
|
WMA
|
|
WAV
|
WAV
|
WAV
|
|
Video File Formats / Codecs
|
Video File Formats / Codecs
|
Video File Formats / Codecs
|
|
Video File Formats / Codecs
|
3GPP
|
3GPP
|
3GPP
|
AVI
|
AVI
|
AVI
|
|
DivX
|
DivX
|
DivX
|
|
Flash Video
|
Flash Video
|
Flash Video
|
|
H.263
|
H.263
|
H.263
|
|
H.264 / MPEG-4 Part 10 / AVC video
|
H.264 / MPEG-4 Part 10 /AVC video
|
H.264 / MPEG-4 Part 10 / AVC video
|
|
H.265 / MPEG-H Part 2 / HEVC
|
H.265 / MPEG-H Part 2 / HEVC
|
||
MKV
|
MKV
|
MKV
|
|
MP4
|
MP4
|
MP4
|
|
WebM
|
WebM
|
WebM
|
|
WMV
|
WMV
|
WMV
|
|
Xvid
|
Xvid
|
Xvid
|
|
Battery
|
Battery
|
Battery
|
|
Capacity
|
3500 MAh
|
4000 mAh
|
3500 MAh
|
Type
|
Li-Polymer
|
Li-Polymer
|
Li-Polymer
|
Features
|
Non-removable
|
Non-removable
|
Non-removable
|
Fast charging
|
Fast charging
|
Fast charging
|
|
Launch
|
Launch
|
Launch
|
|
Announced
|
2018, December
|
2018, June
|
2018, November
|
Status
|
Exp. Release Dec. 2018
|
Available in stores
|
Release 23 Nov. 2018
|
Price
|
Price
|
Price
|
|
Price
|
About 725 $
|
About 700 $
|
About 400 $
|
Design
|
Design
|
Design
|
|
Colors
|
Blue
|
Black
|
Blue
|
Red
|
Red
|
Pink
|
|
Width
|
75.3 mm
|
77 mm
|
75.4 mm
|
7.53 cm
|
7.7 cm
|
7.54 cm
|
|
0.25 ft
|
0.25 ft
|
0.25 ft
|
|
2.96 in
|
3.03 in
|
2.97 in
|
|
Height
|
157.19 mm
|
162 mm
|
157.6 mm
|
15.72 cm
|
16.2 cm
|
15.76 cm
|
|
0.52 ft
|
0.53 ft
|
0.52 ft
|
|
6.19 in
|
6.38 in
|
6.2 in
|
|
Thickness
|
8.09 mm
|
7.98 mm
|
7.1 mm
|
0.81 cm
|
0.8 cm
|
0.71 cm
|
|
0.03 ft
|
0.03 ft
|
0.02 ft
|
|
0.32 in
|
0.31 in
|
0.28 in
|
|
Weight
|
199 g
|
199 g
|
g
|
0.44 lbs
|
0.44 Ibs
|
lbs
|
|
7.03 oz
|
7.02 oz
|
oz
|
|
Volume
|
95.76 cm3
|
99.54 cm3
|
84.37 cm3
|
5.82 in3
|
6.05 in3
|
5.12 in3
|
|
Body Materials
|
Aluminium alloy
|
Aluminium alloy
|
Aluminium alloy
|
Glass
|
Polycarbonate
|
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