The Vivo X23 comes with 8 GB of RAM and 128 GB of internal memory which can be expanded via MicroSD. The Vivo X23 boasts of the 12/13-megapixels dual rear camera and 12-megapixel front camera for selfies and video calling.
The Xiaomi Black Shark Helo comes with 6/8/10 GB of RAM and 128/256 GB of internal memory which cannot be expanded via microSD. The Xiaomi Black Shark Helo boasts of the 12/20-megapixels dual rear camera and 20-megapixel front camera for selfies and video calling.
Xiaomi Shark Helo
|
Vivo X23
|
|
Brand and Model
|
Brand and Model
|
|
Brand
|
Xiaomi
|
Vivo
|
Model
|
Black Shark Helo
|
X23
|
Model
Alias
|
BlackShark Helo
|
|
Launch
|
Launch
|
|
Announced
|
2018, October
|
2018, September
|
Status
|
Exp. Release Nov. 2018
|
Exp. Release Sep. 2018
|
Price
|
Price
|
|
Price
|
About 500 $
|
About 550 $
|
Design
|
Design
|
|
Colors
|
Black
|
Red
|
Purple
|
||
Blue
|
||
Width
|
75.25 mm
|
74.06 mm
|
7.53 cm
|
7.41 cm
|
|
0.25 ft
|
0.24 ft
|
|
2.96 in
|
2.92 in
|
|
Height
|
160 mm
|
157 mm
|
16 cm
|
15.7 cm
|
|
0.52 ft
|
0.52 ft
|
|
6.3 in
|
6.18 in
|
|
Thickness
|
8.7 mm
|
7.54 mm
|
0.87 cm
|
0.75 cm
|
|
0.03 ft
|
0.02 ft
|
|
0.34 in
|
0.3 in
|
|
Weight
|
190 g
|
|
0.42 lbs
|
||
6.7 oz
|
||
Volume
|
104.75 cm3
|
87.67 cm3
|
6.36 in3
|
5.32 in3
|
|
Body
Materials
|
Aluminium alloy
|
Aluminium alloy
|
Glass
|
||
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)
|
Number
of SIM Cards
|
2
|
2
|
Features
|
Dual SIM stand-by
|
Dual SIM stand-by
|
Networks
|
Networks
|
|
Network
|
GSM / LTE / CDMA / W-SCDMA / TD-SCDMA / LTE
|
GSM / LTE / UMTS / CDMA / TD-SCDMA
|
Mobile Network Technology and Bandwidth
|
Mobile Network Technology and Bandwidth
|
|
Mobile
Network Technologies
|
UMTS (384 kbit/s)
|
UMTS (384 kbit/s)
|
EDGE
|
EDGE
|
|
GPRS
|
GPRS
|
|
HSPA+
|
HSPA+
|
|
LTE Cat 18 (221.0 Mbit/s, 1.2.0 Gbit/s)
|
LTE 15 (266.0 Mbit/s, 798.0 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)
|
|
TD-SCDMA
|
TD-SCDMA
|
|
TD-HSDPA
|
TD-HSDPA
|
|
Operating System
|
Operating System
|
|
Operating
System (OS)
|
Android 8.1 Oreo
|
Funtouch 4.5 OS (Android 8.1 Oreo)
|
System on Chip (SOC)
|
System on Chip (SOC)
|
|
SOC
|
Qualcomm Snapdragon 845
|
Qualcomm Snapdragon 670
|
Process
Technology
|
10 nm
|
10 nm
|
CPU
|
4x 2.8 GHz Kryo 385
|
2x 2.0 GHz Kryo 360
|
4x 1.8 GHz Kryo 385
|
6x 1.7 GHz Kryo 360
|
|
CPU
Bits
|
64 bits
|
64 bits
|
Instruction
Set
|
ARMv8-A
|
ARMv8
|
CPU
Frequency
|
2800 MHz
|
2000 MHz
|
CPU
Cores
|
8
|
8
|
GPU
|
Qualcomm Adreno 630
|
Qualcomm Adreno 615
|
RAM
Capacity
|
6 GB
|
|
8 GB
|
8 GB
|
|
10 GB
|
||
RAM Type
|
LPDDR4X
|
LPDDR4X
|
RAM
Channels
|
Double channel
|
Double channel
|
RAM
Frequency
|
1866 MHz
|
1866 MHz
|
Liquid cooling system
|
||
Storage
|
Storage
|
|
Storage
|
128 GB
|
128 GB
|
256 GB
|
||
Memory Cards
|
Memory Cards
|
|
Types
|
No
|
microSD
|
microSDHC
|
||
microSDXC
|
||
Display
|
Display
|
|
Type /
Technology
|
AMOLED
|
AMOLED
|
Diagonal
Size
|
6.01 in
|
6.41 in
|
152.65 mm
|
162.81 mm
|
|
15.27 cm
|
16.28 cm
|
|
Width
|
2.69 in
|
2.69 in
|
68.27 mm
|
68.23 mm
|
|
6.83 cm
|
6.82 cm
|
|
Height
|
5.38 in
|
5.82 in
|
136.54 mm
|
147.83 mm
|
|
13.65 cm
|
14.78 cm
|
|
Aspect
Ratio
|
2:1
|
2.167:1
|
2:1 (18:9)
|
||
Resolution
|
1080 x 2160 pixels
|
1080 x 2340 pixels
|
Pixel
Density
|
402 ppi
|
402 ppi
|
158 ppcm
|
158 ppcm
|
|
Color
Depth
|
24 bits
|
24 bits
|
16777216 colors
|
16777216 colors
|
|
Display
Area
|
77.67 %
|
87.02 %
|
Other
Features
|
Capacitive
|
Capacitive
|
Multi-touch
|
Multi-touch
|
|
Scratch resistant
|
Scratch resistant
|
|
2.5D curved glass screen
|
||
60000:1 contrast ratio
|
||
430 cd/m square
|
||
101.3% DCI-P3
|
||
Sensors
|
Sensors
|
|
Sensors
|
Proximity
|
Proximity
|
Light
|
Light
|
|
Accelerometer
|
Accelerometer
|
|
Compass
|
Compass
|
|
Gyroscope
|
Gyroscope
|
|
Barometer
|
||
Fingerprint
|
Fingerprint
|
|
Hall
|
In-display fingerprint
sensor
|
|
Primary Camera
|
Primary Camera
|
|
Sensor
type
|
CMOS
|
CMOS
|
Aperture
|
f/1.75
|
f/1.8
|
Flash
Type
|
Dual LED
|
Dual LED
|
Image
Resolution
|
4000 x 3000 pixels
|
4032 x 3024 pixels
|
12 MP
|
12.19 MP
|
|
Video
Resolution
|
3840 x 2160 pixels
|
3840 x 2160 pixels
|
8.29 MP
|
8.29 MP
|
|
Video
FPS
|
30 fps
|
30 fps
|
Features
|
Autofocus
|
Autofocus
|
Continuous shooting
|
Continuous shooting
|
|
Digital zoom
|
Digital zoom
|
|
Optical zoom
|
||
Digital image stabilization
|
||
Optical image stabilization
|
||
Geotagging
|
Geotagging
|
|
Panorama
|
Panorama
|
|
HDR
|
HDR
|
|
Touch focus
|
Touch focus
|
|
Face detection
|
Face detection
|
|
White balance setting
|
White balance setting
|
|
ISO setting
|
ISO setting
|
|
Exposure compensation
|
Exposure compensation
|
|
Self-timer
|
Self-timer
|
|
Scene mode
|
Scene mode
|
|
RAW
|
||
Sensor size- ½.9”
|
Sensor size- ½.55”
|
|
Pixel size- 1.25 um
|
Pixel size- 1.4 um
|
|
Phase detection with Dual Pixel
|
Phase detection
|
|
4-axis OIS
|
||
1080p @ 240 fps
|
||
720p @ 240 fps
|
||
Secondary rear camera- 20 MP (telephoto)
|
Secondary rear camera- 13 MP
|
|
Sensor model- Sony IMX376 Exmor RS (#2)
|
Wide-angle lens- 135 degree (#2)
|
|
Sensor type- CMOS BSI (#2)
|
||
Pixel size- 1.0 um (#2)
|
||
Sensor size- ½.78” (#2)
|
||
Aperture size- f/2.4 (#2)
|
||
6-element lens (#2)
|
||
Secondary Camera
|
Secondary Camera
|
|
Sensor
Type
|
CMOS BSI
|
|
Aperture
|
f/2.2
|
f/2
|
Image
Resolution
|
5120 x 3840 pixels
|
4032 x 3024 pixels
|
19.66 MP
|
12.19 MP
|
|
Video
Resolution
|
1920 x 1080 pixels
|
1920 x 1080 pixels
|
2.07 MP
|
2.07 MP
|
|
Video
FPS
|
30 fps
|
30 fps
|
Pixel size- 1.0 um
|
Face recognition
|
|
Sensor size- ½.78”
|
||
5 - element lens
|
||
Audio
|
Audio
|
|
Speaker
|
Loudspeaker
|
Loudspeaker
|
Earpiece
|
Earpiece
|
|
Stereo speaker
|
||
Biso sound
|
||
Hi-Fi Audio
|
||
Smart PA
|
||
HeadPhone adapter
|
||
Radio
|
Radio
|
|
Radio
|
No
|
No
|
Tracking / Positioning
|
Tracking / Positioning
|
|
Tracking /
Positioning
|
GPS
|
GPS
|
A-GPS
|
A-GPS
|
|
GLONASS
|
GLONASS
|
|
BeiDou
|
BeiDou
|
|
Wi-Fi
|
Wi-Fi
|
|
Wi-Fi
|
802.11a (IEEE 802.11a-1999)
|
802.11a (IEEE
802.11a-1999)
|
802.11b (IEEE 802.11b-1999)
|
802.11b (IEEE
802.11b-1999)
|
|
802.11g (IEEE 802.11g-1999)
|
802.11g (IEEE 802.11g-1999)
|
|
802.11n (IEEE 802.11n-2003)
|
802.11n (IEEE 802.11n-2003)
|
|
802.11n 5GHz
|
802.11n 5GHz
|
|
802.11ac (IEEE 802.11ac)
|
802.11ac (IEEE 802.11ac)
|
|
Dual band
|
Dual band
|
|
Wi-Fi Hotspot
|
Wi-Fi Hotspot
|
|
Wi-Fi-Direct
|
Wi-Fi Direct
|
|
Wi-Fi Display
|
Wi-Fi Display
|
|
2x2 MiMO
|
||
Bluetooth
|
Bluetooth
|
|
Version
|
5.0
|
4.2
|
Features
|
A2DP (Advanced audio distribution profile)
|
A2DP (Advanced audio distribution profile)
|
EDR (Enhanced Data Rate)
|
||
LE (Low Energy)
|
LE (Low Energy)
|
|
USB
|
USB
|
|
Connector
Type
|
USB Type-C
|
USB Type-C
|
Version
|
2.0
|
2.0
|
Features
|
Charging
|
Charging
|
Mass Storage
|
Mass Storage
|
|
Host
|
||
On-The-Go
|
On-The-Go
|
|
Headphone Jack
|
Headphone Jack
|
|
Headphone
Jack
|
No
|
Yes
|
Connectivity
|
Connectivity
|
|
Connectivity
|
Computer sync
|
Computer sync
|
OTA sync
|
OTA sync
|
|
Tethering
|
Tethering
|
|
VoLTE
|
VoLTE
|
|
NFC
|
||
Infrared
|
||
Browser
|
Browser
|
|
Browser
|
HTML
|
HTML
|
HTML5
|
HTML5
|
|
CSS 3
|
CSS 3
|
|
Audio File Formats / Codecs
|
Audio File Formats / Codecs
|
|
Audio
File Formats / Codecs
|
AAC
|
AAC
|
AAC+ / aacPlus / HE-AAC v1
|
AAC+ / aacPlus / HE-AAC v1
|
|
AMR / AMR-NB / GSM-AMR
|
AMR / AMR-NB / GSM-AMR
|
|
AMR-WB
|
||
aptX / apt-X
|
aptX / apt-X
|
|
aptX HD / apt-X HD / aptX Lossless
|
||
eAAC+ / aacPlus v2 / HE-AAC v2
|
eAAC+ / aacPlus v2 / HE-AAC v2
|
|
FLAC
|
FLAC
|
|
MIDI
|
MIDI
|
|
MP3
|
MP3
|
|
OGG
|
OGG
|
|
WMA
|
WMA
|
|
WAV
|
WAV
|
|
Video File Formats / Codecs
|
Video File Formats / Codecs
|
|
Video
File Formats / Codecs
|
3GPP
|
3GPP
|
DivX
|
AVI
|
|
AVI
|
DivX
|
|
H.263
|
Flash Video
|
|
H.264 / MPEG-4 Part 10 / AVC video
|
||
H.265 / MPEG-H Part 2 / HEVC
|
||
MKV
|
MKV
|
|
MP4
|
MP4
|
|
VC-1
|
WebM
|
|
WMV
|
||
Xvid
|
Xvid
|
|
Battery
|
Battery
|
|
Capacity
|
4000 mAh
|
3400 mAh
|
Type
|
Li-Polymer
|
Li-Polymer
|
Features
|
Non-removable
|
Non-removable
|
Fast charging
|
Fast charging
|
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