Comparison between:
- Vivo Y21 (2021)
- Oppo A16
- Wiko Power U30
- Samsung Galaxy A03
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Vivo Y21 (2021) | Oppo A16 | Wiko Power U30 | Samsung Galaxy A03 | |
 |  |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.08 mm 7.608 cm 0.25 ft 2.995 in | 75.6 mm 7.56 cm 0.248 ft 2.976 in | 78.6 mm 7.86 cm 0.258 ft 3.094 in | 75.9 mm 7.59 cm 0.249 ft 2.988 in |
| Height | 164.26 mm 16.426 cm 0.539 ft 6.467 in | 163.88 mm 16.388 cm 0.538 ft 6.452 in | 173.8 mm 17.38 cm 0.57 ft 6.843 in | 164.2 mm 16.42 cm 0.539 ft 6.465 in |
| Thickness | 8 mm 0.8 cm 0.026 ft 0.315 in | 8.4 mm 0.84 cm 0.028 ft 0.331 in | 9.45 mm 0.945 cm 0.031 ft 0.372 in | 9.1 mm 0.91 cm 0.03 ft 0.358 in |
| Weight | 182 g 0.4 lbs 6.42 oz | 190 g 0.42 lbs 6.7 oz | 214 g 0.47 lbs 7.55 oz | 196 g 0.43 lbs 6.91 oz |
| Volume | 99.98 cm³ 6.07 in³ | 104.07 cm³ 6.32 in³ | 129.09 cm³ 7.84 in³ | 113.41 cm³ 6.89 in³ |
| Colors | Diamond Glow Midnight Blue | Pearl Blue Crystal Black | Carbon Blue Midnight Blue Mint | Black Blue Red |
| Body materials | Plastic | Plastic | Plastic | Plastic |
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 / microSD | Nano-SIM Nano-SIM / microSD | Nano-SIM | Nano-SIM |
| Number of SIM cards | 2 | 2 | 2 | 2 |
| 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) | 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 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 (B5) GSM 900 MHz (B8) GSM 1800 MHz (B3) GSM 1900 MHz (B2) |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | - | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) |
| UMTS | - | - | UMTS 850 MHz (B5) UMTS 900 MHz (B8) UMTS 1900 MHz (B2) UMTS 2100 MHz (B1) | - |
| LTE | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-FDD 700 MHz (B28) LTE-FDD 800 MHz (B20) LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 2300 MHz (B40) | LTE-FDD 850 MHz (B5) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) |
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 HSPA+ LTE Cat 4 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | FunTouch OS 11.1 (Android 11) | ColorOS 11.1 (Android 11) | Android 11 | Android 11 |
| User interface (UI) | - | - | - | One UI 3.1 Core |
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 | MediaTek Helio P35 (MT6765) | MediaTek Helio G35 | MediaTek Helio G35 | Samsung Exynos 7 Octa 7884B |
| Process technology | 12 nm | 12 nm | 12 nm | 14 nm |
| CPU | 4x 2.3 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53 | 4x 2.3 GHz Cortex-A53, 4x 1.8 GHz Cortex-A53 | 4x 2.3 GHz Cortex-A53, 4x 1.8 GHz Cortex-A53 | 2x 1.6 GHz ARM Cortex-A73, 6x 1.6 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8.2-A | ARMv8.2-A | ARMv8-A |
| CPU cores | 8 | 8 | 8 | 8 |
| CPU frequency | 2300 MHz | 2300 MHz | 2300 MHz | 1600 MHz |
| GPU | PowerVR GE8320 | IMG PowerVR GE8320 | IMG PowerVR GE8320 | ARM Mali-G71 |
| GPU frequency | 680 MHz | 680 MHz | 680 MHz | - |
| RAM capacity | 4 GB | 3 GB 4 GB | 4 GB | 3 GB 4 GB |
| RAM type | LPDDR4X | LPDDR4X | LPDDR4X | - |
| RAM channels | Double channel | Double channel | Double channel | - |
| RAM frequency | 1866 MHz | 1866 MHz | 1800 MHz | - |
| Multi-Turbo 5.0 Ultra Game Mode | - | - | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 32 GB 64 GB | 64 GB | 32 GB 64 GB |
| - | eMMC 5.1 | - | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | miniSD microSDHC microSDXC | 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 | IPS | IPS | IPS | TFT |
| Diagonal size | 6.51 in 165.35 mm 16.54 cm | 6.52 in 165.61 mm 16.56 cm | 6.82 in 173.23 mm 17.32 cm | 6.5 in 165.1 mm 16.51 cm |
| Width | 2.67 in 67.86 mm 6.79 cm | 2.68 in 67.96 mm 6.8 cm | 2.74 in 69.64 mm 6.96 cm | 2.67 in 67.75 mm 6.78 cm |
| Height | 5.94 in 150.79 mm 15.08 cm | 5.95 in 151.02 mm 15.1 cm | 6.24 in 158.62 mm 15.86 cm | 5.93 in 150.56 mm 15.06 cm |
| Aspect ratio | 2.222:1 | 2.222:1 | 2.278:1 | 2.222:1 |
| Resolution | 720 x 1600 pixels | 720 x 1600 pixels | 720 x 1640 pixels | 720 x 1600 pixels |
| Pixel density | 270 ppi 106 ppcm | 269 ppi 105 ppcm | 263 ppi 103 ppcm | 270 ppi 106 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 82.14 % | 83.11 % | 81.12 % | 82.11 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch | Capacitive Multi-touch |
| 2.5D curved glass screen Halo FullView Display Eye Protection Mode | 2.5D curved glass screen 71% NTSC 480 cd/m² 1500:1 | 2.5D curved glass screen | Infinity-V Display |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Fingerprint | Proximity Light Accelerometer Pedometer Geomagnetic Fingerprint Gravity | Proximity Light Accelerometer | Proximity Light Accelerometer |
| Side-mounted fingerprint sensor | Side-mounted fingerprint sensor | - | - |
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 type | CMOS | CMOS | CMOS | CMOS |
| Sensor format | - | - | 1/3.1" | 1/2" |
| Pixel size | - | 1.2 µm 0.001200 mm | - | 0.8 µm 0.000800 mm |
| ISO | - | - | 100 - 16000 | - |
| Aperture | f/2.2 | f/2.2 | f/2 | f/1.8 |
| Focal length and 35 mm equivalent | - | - | 3.54 mm | - |
| Field of view | - | 80 ° | - | - |
| Number of lenses | 5 | 5 | - | - |
| Flash type | LED | LED | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP | 8000 x 6000 pixels 48 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Autofocus Continuous shooting Digital zoom Digital 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) | Autofocus Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) | Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Macro mode |
| Secondary rear camera - 2 MP (macro) 4 cm shooting distance (#2) Aperture size - f/2.4 (#2) 3-element lens (#2) | Secondary rear camera - 2 MP (macro) Aperture size - f/2.4 (#2) 3-element lens (#2) Angle of view - 89° (#2) Third rear camera - 2 MP (depth-sensing) Aperture size - f/2.4 (#3) 3-element lens (#3) Angle of view - 89° (#3) | Secondary rear camera - 2 MP (depth-sensing) Third rear camera - AI lens | Secondary rear camera - 2 MP (depth-sensing) Aperture size - f/2.4 (#2) Pixel size - 1.75 µm (#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 | CMOS | - | CMOS |
| Pixel size | - | 1.12 µm 0.001120 mm | - | - |
| Aperture | f/2 | f/2 | f/2.2 | f/2.2 |
| Field of view | - | 79 ° | - | - |
| Number of lenses | - | 5 | - | - |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP | 2560 x 1920 pixels 4.92 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
| Features | Face unlock | Face unlock HDR | - | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
| - | - | - | Dolby Atmos |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS BeiDou Galileo | GPS A-GPS GLONASS |
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 | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz 802.11ac Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11b 802.11g 802.11n Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.0 | 5.0 | 4.2 | 5.0 |
| Features | A2DP LE | A2DP EDR HID LE | A2DP | A2DP LE |
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 | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go | Charging Mass storage |
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 | Yes | Yes | Yes | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering VoLTE | Computer sync OTA sync Tethering VoLTE |
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 | 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 | FLAC MIDI MP3 WAV MP2 AMR-NB Vorbis APE | AAC AAC+ AMR AMR-WB aptX eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR AMR-WB eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV |
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 | AVI MKV MP4 3GP FLV | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP AVI DivX H.263 H.264 MKV QuickTime MP4 VP8 WMV Xvid | 3GPP 3GPP2 AVI Flash Video H.263 H.264 H.265 MKV MP4 VC-1 VP8 VP9 WebM WMV WMV7 WMV8 Xvid |
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 | 6000 mAh | 5000 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer | Li-Ion |
| 2G talk time | - | - | 77 h 42 min 77.7 h 4662 min 3.2 days | - |
| 3G talk time | - | - | 74 h 36 min 74.6 h 4476 min 3.1 days | - |
| 4G stand-by time | - | - | 8199 h 491940 min 341.6 days | - |
| Charger output power | 9 V / 2 A | 9 V / 2 A | 5 V / 3 A | 5 V / 1.5 A |
| Features | Fast charging Non-removable | Fast charging Non-removable | Fast charging Non-removable | Non-removable |
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 (EU) | - | - | 0.577 W/kg | - |
| Body SAR (EU) | - | - | 1.362 W/kg | - |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | - | Google Assistant button | - |
| Vivo Y21 (2021) | Oppo A16 | Wiko Power U30 | Samsung Galaxy A03 |