Comparison between:
- Vivo X Note
- ZTE Axon 40 Ultra
- Samsung Galaxy Note8 SD835

Brand and model

Information about the brand, model and model alias (if any) of a specific device.

Vivo X NoteZTE Axon 40 UltraSamsung Galaxy Note8 SD835
Vivo X NoteZTE Axon 40 Ultra
Prices
Samsung Galaxy Note8 SD835
Model aliasV2170A-Galaxy Note 8 Snapdragon
SM-N950A
N950A
SM-N950P
N950P
SM-N950T
N950T
SM-N950V
N950V
SM-N9500
N9500

Design

Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.

Width80.31 mm
8.031 cm
0.263 ft
3.162 in
73.56 mm
7.356 cm
0.241 ft
2.896 in
74.8 mm
7.48 cm
0.245 ft
2.945 in
Height168.78 mm
16.878 cm
0.554 ft
6.645 in
163.28 mm
16.328 cm
0.536 ft
6.428 in
162.5 mm
16.25 cm
0.533 ft
6.398 in
Thickness8.75 mm
0.875 cm
0.029 ft
0.344 in
8.41 mm
0.841 cm
0.028 ft
0.331 in
8.6 mm
0.86 cm
0.028 ft
0.339 in
Weight221 g
0.49 lbs
7.8 oz
-195 g
0.43 lbs
6.88 oz
Volume118.6 cm³
7.2 in³
101.01 cm³
6.13 in³
104.53 cm³
6.35 in³
ColorsSunny Mountain Blue
Earth Grey
Starry Night Black
Ink Black
Silver
Black
Gold
Blue
Gray
Body materialsAluminium alloy
Glass
Aluminium alloy
Glass
Glass
Aluminium alloy
CertificationIP68-IP68

SIM card

The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.

SIM card typeNano-SIMNano-SIM
Nano-SIM / microSD
Nano-SIM
Number of SIM cards221
FeaturesDual SIM stand-by (Both cards are active. When one is busy, the other is not active)Dual SIM stand-by (Both cards are active. When one is busy, the other is not active)-

Networks

A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other.

GSMGSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz (B5)
GSM 900 MHz (B8)
GSM 1800 MHz (B3)
GSM 1900 MHz (B2)
GSM 850 MHz
GSM 900 MHz
GSM 1800 MHz
GSM 1900 MHz
CDMACDMA 800 MHz (BC0)CDMA 800 MHz (BC0)-
W-CDMAW-CDMA 850 MHz (B5)
W-CDMA 850 MHz (B6)
W-CDMA 900 MHz (B8)
W-CDMA 900 MHz (B19)
W-CDMA 1700 MHz (B4)
W-CDMA 1800 MHz (B3)
W-CDMA 1900 MHz (B2)
W-CDMA 2100 MHz (B1)
--
UMTS-UMTS 850 MHz (B5)
UMTS 900 MHz (B8)
UMTS 1700 MHz (B4)
UMTS 1900 MHz (B2)
UMTS 2100 MHz (B1)
UMTS 850 MHz
UMTS 900 MHz
UMTS 1700/2100 MHz
UMTS 1900 MHz
UMTS 2100 MHz
LTELTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B17)
LTE-FDD 700 MHz (B28)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 850 MHz (B18)
LTE-FDD 850 MHz (B19)
LTE-FDD 850 MHz (B26)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1700 MHz (B66)
LTE-FDD 1800 MHz (B3)
LTE-FDD 1900 MHz (B2)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE-FDD 700 MHz (B12)
LTE-FDD 700 MHz (B17)
LTE-FDD 800 MHz (B20)
LTE-FDD 850 MHz (B5)
LTE-FDD 900 MHz (B8)
LTE-FDD 1700 MHz (B4)
LTE-FDD 1800 MHz (B3)
LTE-FDD 2100 MHz (B1)
LTE-FDD 2600 MHz (B7)
LTE-TDD 1900 MHz (B39)
LTE-TDD 2000 MHz (B34)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 700 MHz Class 13
LTE 700 MHz Class 17
LTE 800 MHz
LTE 900 MHz
LTE 1700/2100 MHz
LTE 1800 MHz
LTE 1900 MHz
LTE 2100 MHz
LTE 2600 MHz
LTE-TDD 1900 MHz (B39)
LTE-TDD 2300 MHz (B40)
LTE-TDD 2500 MHz (B41)
LTE-TDD 2600 MHz (B38)
LTE 1700/2100 MHz (B66)
LTE 700 MHz (B28)
5G NR5G-FDD 700 MHz (n12)
5G-FDD 700 MHz (n28)
5G-FDD 800 MHz (n20)
5G-FDD 850 MHz (n5)
5G-FDD 900 MHz (n8)
5G-FDD 1700 MHz (n66)
5G-FDD 1800 MHz (n3)
5G-FDD 1900 MHz (n2)
5G-FDD 2100 MHz (n1)
5G-TDD 2300 MHz (n40)
5G-TDD 2500 MHz (n41)
5G-FDD 2600 MHz (n7)
5G-TDD 2600 MHz (n38)
5G-TDD 3500 MHz (n78)
5G-TDD 3700 MHz (n77)
5G-TDD 4700 MHz (n79)
5G-FDD 700 MHz (n28)
5G-FDD 1800 MHz (n3)
5G-FDD 2100 MHz (n1)
5G-TDD 2500 MHz (n41)
5G-TDD 3500 MHz (n78)
5G-TDD 4700 MHz (n79)
-

Mobile network technologies and bandwidth

Communication between devices within mobile networks is realized via various generations of network technologies, which provide different bandwidth.

Mobile network technologiesUMTS
EDGE
GPRS
LTE
5G NSA
5G SA
UMTS
EDGE
GPRS
HSPA+
LTE
EV-DO Rev. A
TD-SCDMA
TD-HSDPA
5G NSA
5G SA
UMTS
EDGE
GPRS
HSPA+
LTE Cat 16

Operating system

Operating system is the system software, which manages and controls the functioning of the hardware components of the device.

Operating system (OS)Anroid 12Android 12Android 7.1.1 Nougat
Android 8.0 Oreo
Android 9.0 Pie
User interface (UI)OriginOS OceanMyOS 12Grace UX
One

System on Chip (SoC)

A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device.

SoCQualcomm Snapdragon 8 Gen 1Qualcomm Snapdragon 8 Gen 1Qualcomm Snapdragon 835 MSM8998
Process technology4 nm4 nm10 nm
CPU1x 2.995 GHz Cortex-X2, 3x 2.496 GHz Cortex-A710, 4x 1.78GHz Cortex-A5101x 2.995 GHz Cortex-X2, 3x 2.496 GHz Cortex-A710, 4x 1.78GHz Cortex-A5104x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 280
CPU bits64 bit64 bit64 bit
Instruction setARMv9-AARMv9-AARMv8-A
Level 1 cache memory (L1)512 KB + 512 KB-32 KB + 32 KB
Level 2 cache memory (L2)1024 KB
1 MB
-3072 KB
3 MB
Level 3 cache memory (L3)4096 KB
4 MB
--
CPU cores888
CPU frequency3000 MHz3000 MHz2350 MHz
GPUQualcomm Adreno 730Qualcomm Adreno 730Qualcomm Adreno 540
GPU frequency--710 MHz
RAM capacity8 GB
12 GB
8 GB
12 GB
16 GB
6 GB
RAM typeLPDDR5LPDDR5LPDDR4X
RAM channelsQuad channelQuad channelDouble channel
RAM frequency5550 MHz5550 MHz1866 MHz
47312 sq.mm. cooling system36356 sq.mm multi-layer cooling system
VC liquid cooling plate
-

Storage

Every mobile device has a built-in storage (internal memory) with a fixed capacity.

Storage256 GB
512 GB
256 GB
512 GB
1024 GB
64 GB
128 GB
256 GB
UFS 3.1 @ 2Lanes HS-Gear4UFS 3.1UFS 2.1

Memory cards

Memory cards are used in mobile devices for expanding their external storage capacity.

Types-microSD
microSDHC
microSDXC
microSD
microSDHC
microSDXC

Display

The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc.

Type/technologyE5 AMOLEDAMOLEDSuper AMOLED
Diagonal size7 in
177.8 mm
17.78 cm
6.8 in
172.72 mm
17.27 cm
6.3 in
160.02 mm
16 cm
Width2.96 in
75.3 mm
7.53 cm
2.79 in
70.88 mm
7.09 cm
2.76 in
70 mm
7 cm
Height6.34 in
161.07 mm
16.11 cm
6.2 in
157.51 mm
15.75 cm
5.67 in
143.9 mm
14.39 cm
Aspect ratio2.139:12.222:12.056:1
Resolution1440 x 3080 pixels1116 x 2480 pixels1440 x 2960 pixels
Pixel density486 ppi
191 ppcm
400 ppi
157 ppcm
522 ppi
205 ppcm
Color depth30 bit
1073741824 colors
30 bit
1073741824 colors
24 bit
16777216 colors
Display area89.77 %93.25 %83.14 %
Other featuresCapacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Capacitive
Multi-touch
Scratch resistant
Display manufacturer - Samsung
LTPO
120 Hz refresh rate
Variable Refresh Rate (VRR)
1500 cd/m² peak brightness
8000000:1
10-bit color
HDR10+
3D curved glass screen
120 Hz refresh rate
10-bit color bit depth
100% DCI-P3
1500 cd/m² peak brightness
3000000:1
1440 Hz PWM
TUV Rheinland Low Blue Light Certified
Corning Gorilla Glass 5
Dual Edge display
Always-On Display

Sensors

Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.

SensorsProximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Magnetometer
Fingerprint
Proximity
Light
Accelerometer
Compass
Gyroscope
Geomagnetic
Fingerprint
Hall
Gravity
Proximity
Light
Accelerometer
Compass
Gyroscope
Barometer
Fingerprint
Hall
Heart rate
Iris sensor
Ultra-sonic under-display fingerprint sensorIn-display optical fingerprint sensor
X-axis linear motor
-

Rear camera

The primary camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.

Sensor modelSamsung GN1Sony IMX787-
Sensor typeISOCELLCMOS BSICMOS
Sensor format1/1.31"1/1.72"1/3.6"
Pixel size1.2 µm
0.001200 mm
0.8 µm
0.000800 mm
1 µm
0.001000 mm
Aperturef/1.57f/1.6f/1.7
Focal length and 35 mm equivalent-35 mm *(35 mm / full frame)26 mm *(35 mm / full frame)
Field of view--77 °
Number of lenses67-
Flash typeDual LEDDual LEDDual LED
Image resolution8192 x 6144 pixels
50.33 MP
9280 x 6920 pixels
64.22 MP
4032 x 3024 pixels
12.19 MP
Video resolution7680 x 4320 pixels
33.18 MP
7680 x 3160 pixels
24.27 MP
3840 x 2160 pixels
8.29 MP
Video FPS30 fps30 fps30 fps
FeaturesAutofocus
Continuous autofocus
Continuous shooting
Digital zoom
Optical zoom
Digital image stabilization
Optical image stabilization
Geotagging
Panorama
HDR
Touch focus
Face detection
Face unlock
White balance settings
ISO settings
Exposure compensation
Self-timer
Scene mode
Phase detection autofocus (PDAF)
Laser autofocus (LAF)
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 (PDAF)
Laser autofocus (LAF)
Autofocus
Continuous shooting
Digital 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
RAW
Phase detection autofocus (PDAF)
Zeiss Vario-Tessar lens
T* anti-reflective coating
Vivo V1 ISP
Secondary rear camera - 48 MP (ultra-wide)
Sensor size - 1/2" (#2)
Pixel size - 0.8 µm (#2)
Aperture size - f/2.2 (#2)
Angle of view - 114° (#2)
Focal length equivalent (35 mm) - 14 mm (#2)
Third rear camera - 12 MP (telephoto)
Sensor model - Sony IMX663 (#3)
Aperture size - f/1.98 (#3)
Focal length equivalent (35 mm) - 47 mm (#3)
PDAF (#3)
Fourth rear camera - 8 MP (periscope telephoto)
Aperture size - f/3.4 (#4)
Focal length equivalent (35 mm) - 125 mm (#4)
5x optical zoom (#4)
60x digital zoom (#4)
OIS (#4)
PDAF (#4)
Secondary rear camera - 64 MP (ultra-wide-angle)
Sensor model - Sony IMX787 (#2)
Aperture size - f/2.35 (#2)
Angle of view - 116° (#2)
Focal length (35 mm equivalent) - 16 mm (#2)
Autofocus (#2)
Third rear camera - 64 MP (periscope telephoto)
Aperture size - f/3.5 (#3)
Focal length (35 mm equivalent) - 91 mm (#3)
OIS (#3)
ToF sensor
Flicker sensor
Phase detection with Dual Pixel
Object tracking AF
Smart OIS
High CRI LED flash
720p @ 240 fps
Secondary rear camera - 12 MP (telephoto)
Optical Image Stabilization (#2)
Aperture size - f/2.4 (#2)
Angle of view - 45° (#2)

Front camera

Modern smartphones have one or more front cameras and their positioning has led to various design concepts – pop-up camera, rotating camera, notch, punch hole, under-display camera, etc.

Sensor typeCMOS BSICMOS BSICMOS
Sensor format--1/3.6"
Pixel size-2.24 µm
0.002240 mm
1.22 µm
0.001220 mm
Aperturef/2.5f/2f/1.7
Focal length and 35 mm equivalent--25 mm *(35 mm / full frame)
Field of view--80 °
Image resolution4608 x 3456 pixels
15.93 MP
4608 x 3456 pixels
15.93 MP
3264 x 2448 pixels
7.99 MP
Video resolution1920 x 1080 pixels
2.07 MP
1920 x 1080 pixels
2.07 MP
2560 x 1440 pixels
3.69 MP
Video FPS30 fps30 fps30 fps
FeaturesDigital image stabilization
Face detection
Face unlock
HDR
Face unlock
HDR
-
Two identical front cameras - in and outUnder-display selfie camera
UDC Pro
Auto HDR

Audio

Information about the type of speakers and the audio technologies supported by the device.

SpeakerLoudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Stereo speakers
Loudspeaker
Earpiece
Hi-Res AudioDual Smart PA
DTS: X Ultra
Three microphones
Qualcomm WCD9341 DAC
192 kHz / 24-bit

Radio

The radio in a mobile device is a built-in FM radio receiver.

RadioNoNoYes

Tracking/Positioning

Information about the positioning and navigation technologies supported by the device.

Tracking/PositioningGPS
A-GPS
GLONASS
BeiDou
Galileo
QZSS
NavIC
GPS
A-GPS
GLONASS
BeiDou
Galileo
GPS
A-GPS
GLONASS
BeiDou
Galileo

Wi-Fi

Wi-Fi is a technology that provides wireless data connections between various devices within a short range.

Wi-Fi802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11ax
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
Wi-Fi Display
802.11ax
802.11a
802.11b
802.11g
802.11n
802.11n 5GHz
802.11ac
Dual band
Wi-Fi Hotspot
Wi-Fi Direct
2x2 MIMO
8 Spatial-stream sounding MU-MIMO
-VHT80 MU-MiMO
1024-QAM

Bluetooth

Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.

Version5.25.25.0
FeaturesA2DP
LE
A2DP
LE
A2DP
AVRCP
DIP
HFP
HID
HSP
LE
MAP
OPP
PAN
PBAP

USB

The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.

Connector typeUSB Type-CUSB Type-CUSB Type-C
Version2.03.13.1
FeaturesCharging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
Charging
Mass storage
On-The-Go
-Gen 1
DP Alt Mode
-

Headphone jack

The headphone jack is an audio phone connector, a.k.a. an audio jack. The most widely used one in mobile devices is the 3.5 mm headphone jack.

Headphone jackNoNoYes

Connectivity

Information about other important connectivity technologies supported by the devices.

ConnectivityComputer sync
OTA sync
NFC
VoLTE
Computer sync
OTA sync
Tethering
NFC
VoLTE
Computer sync
OTA sync
Tethering
NFC
ANT+

Browser

A web browser is a software application for accessing, fetching, displaying and navigating through information on the World Wide Web.

BrowserHTML
HTML5
CSS 3
HTML
HTML5
CSS 3
HTML
HTML5
CSS 3

Audio file formats/codecs

Mobile devices support various audio file formats and codecs, which respectively store and code/decode digital audio data.

Audio file formats/codecs3GPP
AAC
AAC+
AMR-WB
aptX
aptX HD
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
eAAC+
FLAC
MIDI
MP3
OGG
WMA
WAV
AAC
AAC+
AMR
AMR-WB
aptX
eAAC+
FLAC
M4A
MIDI
MP3
OGG
WMA
WAV
XMF

Video file formats/codecs

Mobile devices support various video file formats and codecs, which respectively store and code/decode digital video data.

Video file formats/codecs3GPP
3GPP2
AVI
H.263
H.264
H.265
QuickTime
MP4
MPEG-4
VC-1
WebM
WMV
Xvid
3GPP
AVI
H.263
H.264
H.265
MP4
WebM
WMV
Xvid
3GPP
3GPP2
AVI
DivX
Flash Video
H.263
H.264
MKV
MP4
WebM
WMV
Xvid
ASF

Battery

The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.

Capacity5000 mAh5000 mAh3300 mAh
TypeLi-PolymerLi-PolymerLi-Polymer
2G talk time--22 h
1320 min
0.9 days
3G talk time--22 h
1320 min
0.9 days
Charger output power10 V / 8 A10 V / 8 A5 V / 2 A
9 V / 1.67 A
Quick charge technology--Qualcomm Quick Charge 2.0
FeaturesWireless charging
Fast charging
Non-removable
Fast charging
Non-removable
Wireless charging
Fast charging
Non-removable
50W wireless charging
10W reverse wireless charging
-Qi/PMA wireless charging

Specific Absorption Rate (SAR)

The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg.

Head SAR (USA)--0.7 W/kg
Body SAR (USA)--0.93 W/kg

Additional features

Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.

Additional features--S Pen stylus (4096 pressure levels)
SM-N950U - SAR (Specific Absorption Rate) US: head - 0.700 W/kg; body - 0.930 W/kg
SM-N9500 - SAR (Specific Absorption Rate) US: head - 0.860 W/kg; body - 0.720 W/kg
 Vivo X NoteZTE Axon 40 UltraSamsung Galaxy Note8 SD835