Comparison between:
- Unihertz Jelly Max
- Xiaomi Redmi 4X
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Unihertz Jelly Max | Xiaomi Redmi 4X | |
 |  | |
| Model alias | - | Hongmi 4X Red Rice 4X |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 62.7 mm 6.27 cm 0.206 ft 2.469 in | 69.96 mm 6.996 cm 0.23 ft 2.754 in |
| Height | 128.7 mm 12.87 cm 0.422 ft 5.067 in | 139.24 mm 13.924 cm 0.457 ft 5.482 in |
| Thickness | 16.3 mm 1.63 cm 0.053 ft 0.642 in | 8.65 mm 0.865 cm 0.028 ft 0.341 in |
| Weight | 180 g 0.4 lbs 6.35 oz | 150 g 0.33 lbs 5.29 oz |
| Volume | 131.53 cm³ 7.99 in³ | 84.26 cm³ 5.12 in³ |
| Colors | Black | Black Pink Champagne |
| Body materials | Polycarbonate | Metal |
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 | Micro-SIM Nano-SIM / microSD |
| Number of SIM cards | 2 | 2 |
| Features | 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 GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | CDMA 800 MHz (BC0) CDMA 1900 MHz (BC1) | CDMA 800 MHz |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 1900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | - | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz |
| LTE | LTE-FDD 700 MHz (B12) LTE-FDD 700 MHz (B13) 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 1900 MHz (B25) LTE-FDD 2100 MHz (B1) LTE-FDD 2600 MHz (B7) LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | LTE-TDD 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz |
| 5G NR | 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 1900 MHz (n25) 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) | - |
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 HSPA+ LTE 5G SA 5G NSA | UMTS EDGE GPRS HSPA+ LTE Cat 4 EV-DO Rev. A TD-SCDMA TD-HSDPA |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | Android 14 | MIUI V8 (Android 6.0.1 Marshmallow) MIUI V8.2 (Android 7.1.1 Nougat) MIUI V10 |
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 Dimensity 7300 (MT6878) | Qualcomm Snapdragon 435 (MSM8940) |
| Process technology | 4 nm | 28 nm |
| CPU | 4x 2.5 GHz ARM Cortex-A78, 4x 2.0 GHz ARM Cortex-A55 | 4x 1.4 GHz ARM Cortex-A53, 4x 1.1 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8-A |
| CPU cores | 8 | 8 |
| CPU frequency | 2500 MHz | 1400 MHz |
| GPU | ARM Mali-G615 MC2 | Qualcomm Adreno 505 |
| GPU cores | 2 | - |
| GPU frequency | - | 475 MHz |
| RAM capacity | 12 GB | 2 GB 3 GB |
| RAM type | LPDDR5 | LPDDR3 |
| RAM channels | Quad channel | Single channel |
| RAM frequency | 3200 MHz | 800 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB | 16 GB 32 GB 64 GB |
| UFS 3.1 | - |
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 | IPS | IPS |
| Diagonal size | 5.05 in 128.27 mm 12.83 cm | 5 in 127 mm 12.7 cm |
| Width | 2.16 in 54.91 mm 5.49 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 4.56 in 115.92 mm 11.59 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 2.111:1 | 1.778:1 16:9 |
| Resolution | 720 x 1520 pixels | 720 x 1280 pixels |
| Pixel density | 333 ppi 130 ppcm | 294 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 79.14 % | 70.98 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch |
| 2.5D curved glass screen TDDI | 2.5D curved glass screen 1000:1 contrast ratio 450 cd/m² 72% NTSC |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Pedometer Geomagnetic Magnetometer Fingerprint Gravity | Proximity Light Accelerometer Gyroscope Fingerprint |
| - | Fingerprint sensor model - Fingerprint Cards FPC1035 |
Main rear camera
The main camera of the mobile device is usually placed on its back and can be combined with one or more additional cameras.
| Sensor model | OmniVision OVA0B40 | Samsung S5K3L8 |
| Sensor type | PureCel | ISOCELL |
| Sensor size | 5.98 x 4.49 mm 0.29 in | 4.69 x 3.52 mm 0.23 in |
| Sensor format | 1/1.8" | 1/3.1" |
| Pixel size | 0.612 µm 0.000612 mm | 1.127 µm 0.001127 mm |
| Crop factor | 5.79 | 7.38 |
| ISO | 100 - 2400 | - |
| Aperture | f/1.7 | f/2 |
| Focal length and 35 mm equivalent | 5.21 mm 30.14 mm *(35 mm / full frame) | 3.57 mm 26.34 mm *(35 mm / full frame) |
| Number of lenses | - | 5 |
| Flash type | Dual LED | LED |
| Image resolution | 11584 x 8688 pixels 100.64 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 Optical zoom Digital image stabilization Geotagging Panorama Touch focus White balance settings ISO settings Exposure compensation | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Self-timer Scene mode Phase detection autofocus (PDAF) |
| - | Pixel size - 1.12 µm Sensor type - ISOCELL Fast |
Telephoto camera
Specifications of the telephoto camera. These cameras are used to capture distant objects by using optical zoom to make them look closer without losing resolution and detail.
| Sensor model | SK Hynix Hi-847 | - |
| Sensor format | 1/4" | - |
| Pixel size | 1 µm 0.001000 mm | - |
| Aperture | f/2.2 | - |
| Optical zoom | 3 x | - |
| Image resolution | 8 MP | - |
| Features | Autofocus | - |
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 | Samsung S5KGD1 | OmniVision OV5675 |
| Sensor type | ISOCELL | PureCel |
| Sensor size | 5.25 x 3.94 mm 0.26 in | 2.98 x 2.21 mm 0.15 in |
| Sensor format | 1/2.8" | 1/5" |
| Pixel size | 0.8 µm 0.000800 mm | 1.12 µm 0.001120 mm |
| Crop factor | 6.59 | 11.66 |
| ISO | 100 - 4000 | - |
| Aperture | f/2 | f/2.2 |
| Focal length and 35 mm equivalent | 3.81 mm 25.11 mm *(35 mm / full frame) | 2.64 mm 30.79 mm *(35 mm / full frame) |
| Image resolution | 6560 x 4928 pixels 32.33 MP | 2592 x 1944 pixels 5.04 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 MP |
| Video FPS | 30 fps | 30 fps |
| Features | Face detection Face unlock | - |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
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 Galileo | GPS A-GPS GLONASS BeiDou |
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 Wi-Fi 6E (802.11ax) 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 | 5.4 | 4.2 |
| Features | A2DP LE | A2DP HID |
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 | No | Yes |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Infrared Tethering NFC VoLTE | Computer sync OTA sync Infrared 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 |
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 M4A MIDI MP3 OGG WMA WAV ALAC APE | AAC AC3 AMR eAAC+ FLAC 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 | 3GPP AVI DivX Flash Video H.263 H.264 MKV QuickTime MP4 WebM WMV Xvid FLV ASF RM MOV | 3GPP AVI H.263 H.264 MKV MP4 VC-1 VP8 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 | 4000 mAh | 4100 mAh |
| Type | Li-Ion | Li-Polymer |
| 2G talk time | - | 36 h 2160 min 1.5 days |
| 2G stand-by time | - | 432 h 25920 min 18 days |
| 3G talk time | - | 18 h 1080 min 0.8 days |
| 3G stand-by time | - | 432 h 25920 min 18 days |
| 4G stand-by time | - | 432 h 25920 min 18 days |
| Charger output power | 11 V / 6 A 20 V / 3.25 A 15 V / 3 A 12 V / 3 A 9 V / 3 A | 5 V / 2 A |
| Features | 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) | - | 0.583 W/kg |
| Body SAR (EU) | - | 1.5 W/kg |
| Head SAR (USA) | - | 0.75 W/kg |
| Body SAR (USA) | - | 0.612 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | Customizable button | - |
| Unihertz Jelly Max | Xiaomi Redmi 4X |