Comparison between:
- Cat S48c
- Cat T20
- Cat S41
- Cat S31
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Cat S48c | Cat T20 | Cat S41 | Cat S31 | |
 |  |  |  |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.2 mm 7.62 cm 0.25 ft 3 in | 220 mm 22 cm 0.722 ft 8.661 in | 75 mm 7.5 cm 0.246 ft 2.953 in | 74.42 mm 7.442 cm 0.244 ft 2.93 in |
| Height | 149.86 mm 14.986 cm 0.492 ft 5.9 in | 143 mm 14.3 cm 0.469 ft 5.63 in | 152 mm 15.2 cm 0.499 ft 5.984 in | 146 mm 14.6 cm 0.479 ft 5.748 in |
| Thickness | 13.46 mm 1.346 cm 0.044 ft 0.53 in | 14 mm 1.4 cm 0.046 ft 0.551 in | 12.85 mm 1.285 cm 0.042 ft 0.506 in | 12.6 mm 1.26 cm 0.041 ft 0.496 in |
| Weight | 263 g 0.58 lbs 9.3 oz | 650 g 1.43 lbs 22.93 oz | 218 g 0.48 lbs 7.69 oz | 200 g 0.44 lbs 7.05 oz |
| Volume | 153.7 cm³ 9.33 in³ | 440.44 cm³ 26.75 in³ | 146.49 cm³ 8.9 in³ | 136.9 cm³ 8.31 in³ |
| Colors | Black | Black | Black | Black |
| Body materials | - | Polycarbonate | - | - |
| Certification | IP68 MIL-STD-810G | IP68 | IP68 MIL-STD-810G | 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 | Micro-SIM | Nano-SIM | Nano-SIM |
| Number of SIM cards | 1 | 1 | 1 | 1 |
| Features | - | - | Dual SIM optional (A variant of the model with two SIM card slots is available) | 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 GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz | GSM 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| UMTS | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1700/2100 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | 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 1900 MHz (B25) LTE 850 MHz (B26) LTE 700 MHz (B28) | 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 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) | 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 700 MHz (B12) |
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 Class 12 HSPA+ LTE Cat 4 | UMTS EDGE GPRS HSPA+ LTE Cat 6 | 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) | Android 8.1 Oreo | Microsoft Windows 10 Home Edition | Android 7.1.2 Nougat | 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 | Qualcomm Snapdragon 630 | Intel Atom x5-Z8350 | MediaTek Helio P20 (MT6757) | Qualcomm Snapdragon 210 MSM8909 |
| Process technology | 14 nm | 14 nm | 16 nm | 28 nm |
| CPU | 4x 2.2 GHz ARM Cortex-A53, 4x 1.8 GHz ARM Cortex-A53 | Intel Cherry Trail | 4x 2.3 GHz ARM Cortex-A53, 4x 1.6 GHz ARM Cortex-A53 | ARM Cortex-A7 |
| CPU bits | 64 bit | 64 bit | 64 bit | 32 bit |
| Instruction set | ARMv8 | IA-32 (x86), IA-64 (x64) | ARMv8-A | ARMv7 |
| Level 1 cache memory (L1) | - | 24 KB + 32 KB | 256 KB + 256 KB | - |
| Level 2 cache memory (L2) | - | 2048 KB 2 MB | 2048 KB 2 MB | 1024 KB 1 MB |
| CPU cores | 8 | 4 | 8 | 4 |
| CPU frequency | 2200 MHz | 1440 MHz | 2300 MHz | 1100 MHz |
| GPU | Qualcomm Adreno 508 | Intel HD Graphics 400 | ARM Mali-T880 MP2 | Qualcomm Adreno 304 |
| GPU cores | - | 12 | 2 | - |
| GPU frequency | - | 500 MHz | 900 MHz | 400 MHz |
| RAM capacity | 4 GB | 2 GB | 3 GB | 2 GB |
| RAM type | LPDDR4 | LPDDR3L-RS | LPDDR3 | - |
| RAM channels | Double channel | Single channel | Single channel | Single channel |
| RAM frequency | 1333 MHz | 1600 MHz | 933 MHz | 533 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 32 GB | 64 GB | 32 GB | 16 GB |
| - | eMMC | - | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | microSD microSDHC microSDXC | microSD 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 | TFT | IPS | TFT | TFT |
| Diagonal size | 5 in 127 mm 12.7 cm | 8 in 203.2 mm 20.32 cm | 5 in 127 mm 12.7 cm | 4.7 in 119.38 mm 11.94 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 6.78 in 172.31 mm 17.23 cm | 2.45 in 62.26 mm 6.23 cm | 2.3 in 58.53 mm 5.85 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 4.24 in 107.7 mm 10.77 cm | 4.36 in 110.69 mm 11.07 cm | 4.1 in 104.05 mm 10.4 cm |
| Aspect ratio | 1.778:1 16:9 | 1.6:1 16:10 | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 1080 x 1920 pixels | 1280 x 800 pixels | 1080 x 1920 pixels | 720 x 1280 pixels |
| Pixel density | 441 ppi 173 ppcm | 189 ppi 74 ppcm | 441 ppi 173 ppcm | 312 ppi 122 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 60.55 % | 59.18 % | 60.65 % | 56.23 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch Scratch resistant |
| Corning Gorilla Glass 5 | Corning Gorilla Glass | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light Accelerometer Compass | Accelerometer | Proximity Light Accelerometer Compass | Proximity Light Accelerometer Compass |
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 |
| Flash type | LED | - | LED | LED |
| Image resolution | 4160 x 3120 pixels 12.98 MP | 2592 x 1944 pixels 5.04 MP | 4160 x 3120 pixels 12.98 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 1280 x 720 pixels 0.92 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 | 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) | Digital zoom Geotagging White balance settings ISO settings Exposure compensation Self-timer Scene mode | 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) | Autofocus Continuous shooting Digital zoom Digital image stabilization Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode |
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.
| Image resolution | 2592 x 1944 pixels 5.04 MP | 1280 x 720 pixels 0.92 MP | 3264 x 2448 pixels 7.99 MP | 1600 x 1200 pixels 1.92 MP |
| Video resolution | 1280 x 720 pixels 0.92 MP | 640 x 480 pixels 0.31 MP | 1280 x 720 pixels 0.92 MP | 640 x 480 pixels 0.31 MP |
| Video FPS | 30 fps | 30 fps | 30 fps | 30 fps |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | 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 GLONASS | GPS A-GPS GLONASS BeiDou | 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 | 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Direct | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band | 802.11b 802.11g 802.11n 802.11n 5GHz Dual band 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 | 4.2 | 4.1 | 4.1 | 4.1 |
| Features | A2DP AVRCP EDR GAVDP GATT GOEP HFP HID HSP MAP PAN PBAP SPP SAP HOGP | A2DP | A2DP | A2DP |
USB
The Universal Serial Bus (USB) is an industry standard that allows different electronic devices to exchange data.
| Connector type | Micro USB | Micro USB | Micro USB | Micro USB |
| Version | 2.0 | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage On-The-Go | Charging Mass storage | Charging Mass storage On-The-Go | Charging Mass storage On-The-Go |
HDMI
The High-Definition Multimedia Interface (HDMI) is considered to be the digital alternative of the analog audio/video interface standards.
| HDMI | - | Mini HDMI (Type C) | - | - |
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 NFC | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering NFC | Computer sync OTA sync Tethering |
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 | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AAC+ AMR AMR-WB eAAC+ FLAC MIDI MP3 OGG WMA WAV | 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 H.263 H.264 H.265 MKV VP8 VP9 | 3GPP AVI H.263 H.264 MKV MP4 WMV | 3GPP AVI H.263 H.264 H.265 MKV VP8 VP9 | 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 | 4000 mAh | 7500 mAh | 5000 mAh | 4000 mAh |
| Type | Li-Ion | Li-Polymer | Li-Ion | Li-Ion |
| 2G talk time | 30 h 1800 min 1.3 days | - | 38 h 2280 min 1.6 days | - |
| 2G stand-by time | - | - | 1056 h 63360 min 44 days | - |
| 3G talk time | 30 h 1800 min 1.3 days | - | 38 h 2280 min 1.6 days | - |
| 3G stand-by time | - | - | 1056 h 63360 min 44 days | - |
| Charger output power | 5 V / 3 A 9 V / 2 A 12 V / 1.5 A | - | - | - |
| Quick charge technology | - | - | MediaTek Pump Express Plus 2.0 | - |
| Features | Fast charging Non-removable | 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) | - | - | 0.547 W/kg | - |
| Body SAR (EU) | - | - | 1.08 W/kg | - |
| Head SAR (USA) | 0.98 W/kg | - | 1.19 W/kg | 1.14 W/kg |
| Body SAR (USA) | 1.06 W/kg | - | 0.97 W/kg | 1.19 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | Walkie-Talkie PTT (push-to-talk) | Docking connector | - | - |
| Cat S48c | Cat T20 | Cat S41 | Cat S31 |