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 Note | ZTE Axon 40 Ultra | Samsung Galaxy Note8 SD835 | |
 |  Prices |  | |
| Model alias | V2170A | - | 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.
| Width | 80.31 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 |
| Height | 168.78 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 |
| Thickness | 8.75 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 |
| Weight | 221 g 0.49 lbs 7.8 oz | - | 195 g 0.43 lbs 6.88 oz |
| Volume | 118.6 cm³ 7.2 in³ | 101.01 cm³ 6.13 in³ | 104.53 cm³ 6.35 in³ |
| Colors | Sunny Mountain Blue Earth Grey Starry Night Black | Ink Black Silver | Black Gold Blue Gray |
| Body materials | Aluminium alloy Glass | Aluminium alloy Glass | Glass Aluminium alloy |
| Certification | IP68 | - | IP68 |
SIM card
The Subscriber Identity Module (SIM) is used in mobile devices for storing data authenticating the subscribers of mobile services.
| SIM card type | Nano-SIM | Nano-SIM Nano-SIM / microSD | Nano-SIM |
| Number of SIM cards | 2 | 2 | 1 |
| Features | Dual 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.
| GSM | GSM 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 |
| CDMA | CDMA 800 MHz (BC0) | CDMA 800 MHz (BC0) | - |
| W-CDMA | W-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 |
| LTE | LTE-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 NR | 5G-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 technologies | UMTS 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 12 | Android 12 | Android 7.1.1 Nougat Android 8.0 Oreo Android 9.0 Pie |
| User interface (UI) | OriginOS Ocean | MyOS 12 | Grace 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.
| SoC | Qualcomm Snapdragon 8 Gen 1 | Qualcomm Snapdragon 8 Gen 1 | Qualcomm Snapdragon 835 MSM8998 |
| Process technology | 4 nm | 4 nm | 10 nm |
| CPU | 1x 2.995 GHz Cortex-X2, 3x 2.496 GHz Cortex-A710, 4x 1.78GHz Cortex-A510 | 1x 2.995 GHz Cortex-X2, 3x 2.496 GHz Cortex-A710, 4x 1.78GHz Cortex-A510 | 4x 2.35 GHz Kryo 280, 4x 1.9 GHz Kryo 280 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv9-A | ARMv9-A | ARMv8-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 cores | 8 | 8 | 8 |
| CPU frequency | 3000 MHz | 3000 MHz | 2350 MHz |
| GPU | Qualcomm Adreno 730 | Qualcomm Adreno 730 | Qualcomm Adreno 540 |
| GPU frequency | - | - | 710 MHz |
| RAM capacity | 8 GB 12 GB | 8 GB 12 GB 16 GB | 6 GB |
| RAM type | LPDDR5 | LPDDR5 | LPDDR4X |
| RAM channels | Quad channel | Quad channel | Double channel |
| RAM frequency | 5550 MHz | 5550 MHz | 1866 MHz |
| 47312 sq.mm. cooling system | 36356 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.
| Storage | 256 GB 512 GB | 256 GB 512 GB 1024 GB | 64 GB 128 GB 256 GB |
| UFS 3.1 @ 2Lanes HS-Gear4 | UFS 3.1 | UFS 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/technology | E5 AMOLED | AMOLED | Super AMOLED |
| Diagonal size | 7 in 177.8 mm 17.78 cm | 6.8 in 172.72 mm 17.27 cm | 6.3 in 160.02 mm 16 cm |
| Width | 2.96 in 75.3 mm 7.53 cm | 2.79 in 70.88 mm 7.09 cm | 2.76 in 70 mm 7 cm |
| Height | 6.34 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 ratio | 2.139:1 | 2.222:1 | 2.056:1 |
| Resolution | 1440 x 3080 pixels | 1116 x 2480 pixels | 1440 x 2960 pixels |
| Pixel density | 486 ppi 191 ppcm | 400 ppi 157 ppcm | 522 ppi 205 ppcm |
| Color depth | 30 bit 1073741824 colors | 30 bit 1073741824 colors | 24 bit 16777216 colors |
| Display area | 89.77 % | 93.25 % | 83.14 % |
| Other features | Capacitive 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.
| Sensors | Proximity 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 sensor | In-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 model | Samsung GN1 | Sony IMX787 | - |
| Sensor type | ISOCELL | CMOS BSI | CMOS |
| Sensor format | 1/1.31" | 1/1.72" | 1/3.6" |
| Pixel size | 1.2 µm 0.001200 mm | 0.8 µm 0.000800 mm | 1 µm 0.001000 mm |
| Aperture | f/1.57 | f/1.6 | f/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 lenses | 6 | 7 | - |
| Flash type | Dual LED | Dual LED | Dual LED |
| Image resolution | 8192 x 6144 pixels 50.33 MP | 9280 x 6920 pixels 64.22 MP | 4032 x 3024 pixels 12.19 MP |
| Video resolution | 7680 x 4320 pixels 33.18 MP | 7680 x 3160 pixels 24.27 MP | 3840 x 2160 pixels 8.29 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Autofocus 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 type | CMOS BSI | CMOS BSI | CMOS |
| Sensor format | - | - | 1/3.6" |
| Pixel size | - | 2.24 µm 0.002240 mm | 1.22 µm 0.001220 mm |
| Aperture | f/2.5 | f/2 | f/1.7 |
| Focal length and 35 mm equivalent | - | - | 25 mm *(35 mm / full frame) |
| Field of view | - | - | 80 ° |
| Image resolution | 4608 x 3456 pixels 15.93 MP | 4608 x 3456 pixels 15.93 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 2560 x 1440 pixels 3.69 MP |
| Video FPS | 30 fps | 30 fps | 30 fps |
| Features | Digital image stabilization Face detection Face unlock HDR | Face unlock HDR | - |
| Two identical front cameras - in and out | Under-display selfie camera UDC Pro | Auto HDR |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece Stereo speakers | Loudspeaker Earpiece |
| Hi-Res Audio | Dual 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.
| Radio | No | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS 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-Fi | 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 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.
| Version | 5.2 | 5.2 | 5.0 |
| Features | A2DP 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 type | USB Type-C | USB Type-C | USB Type-C |
| Version | 2.0 | 3.1 | 3.1 |
| Features | Charging 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 jack | No | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer 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.
| Browser | HTML 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/codecs | 3GPP 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/codecs | 3GPP 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.
| Capacity | 5000 mAh | 5000 mAh | 3300 mAh |
| Type | Li-Polymer | Li-Polymer | Li-Polymer |
| 2G talk time | - | - | 22 h 1320 min 0.9 days |
| 3G talk time | - | - | 22 h 1320 min 0.9 days |
| Charger output power | 10 V / 8 A | 10 V / 8 A | 5 V / 2 A 9 V / 1.67 A |
| Quick charge technology | - | - | Qualcomm Quick Charge 2.0 |
| Features | Wireless 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 Note | ZTE Axon 40 Ultra | Samsung Galaxy Note8 SD835 |