Comparison between:
- Xiaomi Redmi Note 8
- Casper VIA G4
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Xiaomi Redmi Note 8 | Casper VIA G4 | |
 Prices |  | |
| Model alias | Redmi Note8 Red Rice Note 8 Red Rice Note8 C3J M1908C3JH M1908C3JG M1908C3JI | - |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 75.3 mm 7.53 cm 0.247 ft 2.965 in | 75.2 mm 7.52 cm 0.247 ft 2.961 in |
| Height | 158.3 mm 15.83 cm 0.519 ft 6.232 in | 156.6 mm 15.66 cm 0.514 ft 6.165 in |
| Thickness | 8.35 mm 0.835 cm 0.027 ft 0.329 in | 8.4 mm 0.84 cm 0.028 ft 0.331 in |
| Weight | 190 g 0.42 lbs 6.7 oz | 163 g 0.36 lbs 5.75 oz |
| Volume | 99.53 cm³ 6.04 in³ | 98.92 cm³ 6.01 in³ |
| Colors | Meteorite Black Dream Blue White Nebula Purple | Black Blue |
| Body materials | Aluminium alloy Plastic | Polycarbonate Glass |
| Certification | IP52 | - |
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 |
| Number of SIM cards | 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) |
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 900 MHz (B8) GSM 1800 MHz (B3) |
| CDMA | CDMA 800 MHz (BC0) | - |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 2100 MHz (B1) | - |
| TD-SCDMA | TD-SCDMA 1900 MHz TD-SCDMA 2000 MHz | - |
| UMTS | - | 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-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 800 MHz (B20) LTE-FDD 900 MHz (B8) LTE-FDD 1800 MHz (B3) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) |
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 12 EV-DO Rev. A TD-SCDMA TD-HSDPA | UMTS EDGE GPRS HSPA+ LTE Cat 4 |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | MIUI V10 (Android 9.0 Pie) MIUI V11 (Android 9.0 Pie) MIUI V12 (Android 10) | Android 9.0 Pie |
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 665 | MediaTek Helio P22 (MT6762) |
| Process technology | 11 nm | 12 nm |
| CPU | 4x 2.0 GHz Kryo 260, 4x 1.8 GHz Kryo 260 | 4x 2.0 GHz ARM Cortex-A53, 4x 1.5 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8 | ARMv8-A |
| CPU cores | 8 | 8 |
| CPU frequency | 2000 MHz | 2000 MHz |
| GPU | Qualcomm Adreno 610 | PowerVR GE8320 |
| GPU frequency | - | 650 MHz |
| RAM capacity | 4 GB 6 GB | 3 GB |
| RAM type | LPDDR4X | LPDDR3 |
| RAM channels | Double channel | Single channel |
| RAM frequency | 1866 MHz | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 64 GB 128 GB | 32 GB |
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 | IPS | IPS |
| Diagonal size | 6.3 in 160.02 mm 16 cm | 6.22 in 157.99 mm 15.8 cm |
| Width | 2.64 in 67.06 mm 6.71 cm | 2.66 in 67.63 mm 6.76 cm |
| Height | 5.72 in 145.29 mm 14.53 cm | 5.62 in 142.78 mm 14.28 cm |
| Aspect ratio | 2.167:1 | 2.111:1 |
| Resolution | 1080 x 2340 pixels | 720 x 1520 pixels |
| Pixel density | 409 ppi 160 ppcm | 270 ppi 106 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 82 % | 82.26 % |
| Other features | Capacitive Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 2.5D curved glass screen Corning Gorilla Glass 5 TÜV Rheinland certification for low blue light emissions 1500:1 contrast ratio 84% NTSC | In-cell 2.5D curved glass screen 450 cd/m² |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Gyroscope Fingerprint | Proximity Light Accelerometer Fingerprint |
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 S5KGM1 | - |
| Sensor type | ISOCELL | - |
| Sensor format | 1/2.25" | - |
| Pixel size | 0.8 µm 0.000800 mm | 1.12 µm 0.001120 mm |
| Aperture | f/1.79 | f/1.8 |
| Focal length and 35 mm equivalent | 13 mm *(35 mm / full frame) | - |
| Field of view | 79.4 ° | 84 ° |
| Number of lenses | 6 | - |
| Flash type | LED | LED |
| Image resolution | 8000 x 6000 pixels 48 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 3840 x 2160 pixels 8.29 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Autofocus 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 Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode |
| Pixel size - 1.6 μm (4-in-1 pixel binning) Sensor type - ISOCELL PLUS Super Phase Detection 1080p @ 120 fps 720p @ 240 fps Samsung S5KGM1 is also available Secondary rear camera - 8 MP (ultra-wide) Sensor size - 1/4" (#2) Pixel size - 1.12 μm (#2) Aperture size - f/2.2 (#2) Angle of view - 120° (#2) Third rear camera - 2MP (depth-sensing) Sensor size - 1/5" (#3) Pixel size - 1.75 μm (#3) Aperture size - f/2.4 (#3) Fourth rear camera - 2MP (macro) Sensor size - 1/5" (#4) Pixel size - 1.75 μm (#4) Aperture size - f/2.4 (#4) | Secondary rear camera - 2 MP Pixel size - 1.75 μm (#2) Aperture size - f/2.4 (#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 model | OmniVision OV13855 | - |
| Sensor type | PureCel | - |
| Sensor size | 4.75 x 3.54 mm 0.23 in | - |
| Pixel size | 1.12 µm 0.001120 mm | 1.12 µm 0.001120 mm |
| Crop factor | 7.31 | - |
| Aperture | f/2 | f/2 |
| Focal length and 35 mm equivalent | 3.86 mm 28.21 mm *(35 mm / full frame) | - |
| Image resolution | 4224 x 3136 pixels 13.25 MP | - |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Face unlock | Face unlock |
| - | Front camera - 8MP HDR Screen flash |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| Smart PA 1217 ultra-linear speaker | - |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou | GPS A-GPS |
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 | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 4.2 | 4.2 |
| Features | A2DP EDR HID LE | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | USB Type-C | Micro USB |
| Version | 2.0 | 2.0 |
| Features | 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 |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering VoLTE | Computer sync |
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 |
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 | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC | AAC AAC+ AMR eAAC+ MIDI MP3 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 | 3GPP AVI DivX H.263 H.264 H.265 MKV MP4 VC-1 Xvid | 3GPP H.264 MP4 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 4000 mAh | 3500 mAh |
| Type | Li-Ion | Li-Polymer |
| 2G talk time | - | 27 h 1620 min 1.1 days |
| 3G talk time | - | 27 h 1620 min 1.1 days |
| Charger output power | 9 V / 2 A | - |
| Quick charge technology | Qualcomm Quick Charge 4.0 | - |
| Features | Fast charging Non-removable | Fast charging 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) | 0.191 W/kg | - |
| Body SAR (EU) | 1.034 W/kg | - |
| Head SAR (USA) | 0.374 W/kg | - |
| Body SAR (USA) | 0.987 W/kg | - |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | M1908C3JG - SAR (Specific Absorption Rate) EU: head - 0.191 W/kg; body - 1.034 W/kg M1908C3JG - SAR (Specific Absorption Rate) US: head - 0.374 W/kg; body - 0.987 W/kg M1908C3JH - SAR (Specific Absorption Rate) EU: head - 0.191 W/kg; body - 1.089 W/kg M1908C3JH - SAR (Specific Absorption Rate) US: head - 0.387 W/kg; body - 1.056 W/kg Anti-splash coating | - |
| Xiaomi Redmi Note 8 | Casper VIA G4 |