Comparison between:
- Oukitel WP21 Ultra
- Cat S41
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Oukitel WP21 Ultra | Cat S41 | |
 |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 84.3 mm 8.43 cm 0.277 ft 3.319 in | 75 mm 7.5 cm 0.246 ft 2.953 in |
| Height | 177.3 mm 17.73 cm 0.582 ft 6.98 in | 152 mm 15.2 cm 0.499 ft 5.984 in |
| Thickness | 18.4 mm 1.84 cm 0.06 ft 0.724 in | 12.85 mm 1.285 cm 0.042 ft 0.506 in |
| Weight | 398 g 0.88 lbs 14.04 oz | 218 g 0.48 lbs 7.69 oz |
| Volume | 275.01 cm³ 16.7 in³ | 146.49 cm³ 8.9 in³ |
| Colors | Black | Black |
| Body materials | Metal Polycarbonate TPU | - |
| Certification | IP68 IP69K MIL-STD-810H | IP68 MIL-STD-810G |
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 | 1 |
| Features | Dual SIM stand-by (Both cards are active. When one is busy, the other is not active) | Dual SIM optional (A variant of the model with two SIM card slots is available) |
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 |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 900 MHz (B8) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| UMTS | - | 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 (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 2100 MHz (B1) LTE-FDD 2600 MHz (B7) 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 850 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 (B12) LTE 700 MHz (B28) |
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 | UMTS EDGE GPRS HSPA+ LTE Cat 6 |
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 12 | Android 7.1.2 Nougat |
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 G99 (MT6789) | MediaTek Helio P20 (MT6757) |
| Process technology | 6 nm | 16 nm |
| CPU | 2x 2.2 GHz ARM Cortex-A76, 6x 2.0 GHz ARM Cortex-A55 | 4x 2.3 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8.2-A | ARMv8-A |
| Level 1 cache memory (L1) | - | 256 KB + 256 KB |
| Level 2 cache memory (L2) | - | 2048 KB 2 MB |
| CPU cores | 8 | 8 |
| CPU frequency | 2200 MHz | 2300 MHz |
| GPU | ARM Mali-G57 MC2 | ARM Mali-T880 MP2 |
| GPU cores | 2 | 2 |
| GPU frequency | 1000 MHz | 900 MHz |
| RAM capacity | 12 GB | 3 GB |
| RAM type | LPDDR4X | LPDDR4X |
| RAM channels | Double channel | Double channel |
| RAM frequency | 2133 MHz | 1600 MHz |
| RAM extension - 5GB | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 256 GB | 32 GB |
| 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 | IPS | TFT |
| Diagonal size | 6.78 in 172.21 mm 17.22 cm | 5 in 127 mm 12.7 cm |
| Width | 2.78 in 70.67 mm 7.07 cm | 2.45 in 62.26 mm 6.23 cm |
| Height | 6.18 in 157.04 mm 15.7 cm | 4.36 in 110.69 mm 11.07 cm |
| Aspect ratio | 2.222:1 | 1.778:1 16:9 |
| Resolution | 1080 x 2400 pixels | 1080 x 1920 pixels |
| Pixel density | 388 ppi 152 ppcm | 441 ppi 173 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 74.49 % | 60.65 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| 120 Hz refresh rate Always-on rear display | Corning Gorilla Glass 5 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass Gyroscope Pedometer Fingerprint | Proximity Light Accelerometer Compass |
| Side-mounted fingerpint sensor | - |
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 | Sony IMX686 Exmor RS | - |
| Sensor type | CMOS | CMOS |
| Aperture | f/1.9 | - |
| Field of view | 85 ° | - |
| Flash type | LED | LED |
| Image resolution | 9280 x 6920 pixels 64.22 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 2560 x 1440 pixels 3.69 MP | 1920 x 1080 pixels 2.07 MP |
| Video FPS | 30 fps | 30 fps |
| Features | 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 Phase detection autofocus (PDAF) | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode Phase detection autofocus (PDAF) |
Night Vision camera
Specifications of the Night Vision camera of the device. This type of camera takes photos in the dark by emitting infrared light and capturing its reflection from the objects.
| Sensor model | Sony IMX350 | - |
| Aperture | f/2 | - |
| Image resolution | 20 MP | - |
Thermal camera
Specifications of the thermal camera of the device. Thermal cameras use special sensors that visualize the temperature of various objects by detecting their infrared radiation.
| Sensor model | InfiRay ELF3 | - |
| Image resolution | 256 x 192 pixels 0.05 MP | - |
| Temperature sensing distance | 100 m 328.1 ft | - |
| Fusion sensor resolution - 5 MP | - |
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 | Sony IMX350 | - |
| Sensor type | CMOS | - |
| Aperture | f/2.2 | - |
| Image resolution | 20 MP | 3264 x 2448 pixels 7.99 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 unlock Face detection | - |
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 Dual band Wi-Fi Hotspot Wi-Fi Direct Wi-Fi Display | 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot |
Bluetooth
Bluetooth is a standard for secure wireless data transfer between different types of devices over short distances.
| Version | 5.2 | 4.1 |
| Features | A2DP 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 On-The-Go |
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 Tethering NFC | Computer sync OTA sync Tethering NFC |
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 AAC+ AMR AMR-WB 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 H.265 MKV VP8 VP9 |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 9800 mAh | 5000 mAh |
| Type | Li-Polymer | Li-Ion |
| 2G talk time | - | 38 h 2280 min 1.6 days |
| 2G stand-by time | - | 1056 h 63360 min 44 days |
| 3G talk time | - | 38 h 2280 min 1.6 days |
| 3G stand-by time | - | 1056 h 63360 min 44 days |
| 4G talk time | 68 h 30 min 68.5 h 4110 min 2.9 days | - |
| 4G stand-by time | 1150 h 69000 min 47.9 days | - |
| Charger output power | 11 V / 6 A | - |
| Quick charge technology | - | MediaTek Pump Express Plus 2.0 |
| 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) | 0.311 W/kg | 0.547 W/kg |
| Body SAR (EU) | 1.079 W/kg | 1.08 W/kg |
| Head SAR (USA) | - | 1.19 W/kg |
| Body SAR (USA) | - | 0.97 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 | - |
| Oukitel WP21 Ultra | Cat S41 |