Comparison between:
- Koobee S506m
- Oppo A3s
- Infinix Smart 2
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Koobee S506m | Oppo A3s | Infinix Smart 2 | |
 |  |  | |
| Model alias | - | - | Smart2 X5515F |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 71.3 mm 7.13 cm 0.234 ft 2.807 in | 75.6 mm 7.56 cm 0.248 ft 2.976 in | 71 mm 7.1 cm 0.233 ft 2.795 in |
| Height | 146.8 mm 14.68 cm 0.482 ft 5.78 in | 156.2 mm 15.62 cm 0.512 ft 6.15 in | 148 mm 14.8 cm 0.486 ft 5.827 in |
| Thickness | 8.5 mm 0.85 cm 0.028 ft 0.335 in | 8.2 mm 0.82 cm 0.027 ft 0.323 in | 8.4 mm 0.84 cm 0.028 ft 0.331 in |
| Weight | 160 g 0.35 lbs 5.64 oz | 168 g 0.37 lbs 5.93 oz | 138 g 0.3 lbs 4.87 oz |
| Volume | 88.97 cm³ 5.4 in³ | 96.83 cm³ 5.88 in³ | 88.27 cm³ 5.36 in³ |
| Colors | Purple Champagne | Purple Red | Red Gold Black Blue |
| Body materials | Plastic | Aluminium alloy | Plastic 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 | Nano-SIM |
| Number of SIM cards | 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) |
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 |
| CDMA | CDMA 800 MHz | - | - |
| W-CDMA | W-CDMA 850 MHz W-CDMA 900 MHz W-CDMA 2100 MHz | - | W-CDMA 900 MHz W-CDMA 2100 MHz |
| TD-SCDMA | TD-SCDMA 1880-1920 MHz TD-SCDMA 2010-2025 MHz | - | - |
| UMTS | - | UMTS 850 MHz UMTS 900 MHz UMTS 2100 MHz | - |
| LTE | LTE 850 MHz LTE 900 MHz LTE 1800 MHz LTE 2100 MHz 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 800 MHz LTE 1800 MHz LTE 2100 MHz LTE 2600 MHz LTE-TDD 2300 MHz (B40) |
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 7 | 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) | dido 7.6 (Android 6.0 Marshmallow) | ColorOS 5.1 (Android 8.1 Oreo) | X OS Hummingbird 3.3 (Android 8.1 Oreo) |
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 MT6739 | Qualcomm Snapdragon 450 (SDM450) | MediaTek MT6739 |
| Process technology | 28 nm | 14 nm | 28 nm |
| CPU | 4x 1.5 GHz ARM Cortex-A53 | 8x 1.8 GHz ARM Cortex-A53 | 4x 1.5 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A | ARMv8-A |
| CPU cores | 4 | 8 | 4 |
| CPU frequency | 1500 MHz | 1800 MHz | 1500 MHz |
| GPU | IMG PowerVR GE8100 | Qualcomm Adreno 506 | IMG PowerVR GE8100 |
| GPU frequency | 570 MHz | 600 MHz | 570 MHz |
| RAM capacity | 2 GB 3 GB | 2 GB 3 GB | 2 GB 3 GB |
| RAM type | LPDDR3 | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel | Single channel |
| RAM frequency | 667 MHz | 933 MHz | 667 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB 32 GB | 16 GB 32 GB | 16 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 | 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 |
| Diagonal size | 5.5 in 139.7 mm 13.97 cm | 6.2 in 157.48 mm 15.75 cm | 5.45 in 138.43 mm 13.84 cm |
| Width | 2.46 in 62.48 mm 6.25 cm | 2.65 in 67.42 mm 6.74 cm | 2.44 in 61.91 mm 6.19 cm |
| Height | 4.92 in 124.95 mm 12.5 cm | 5.6 in 142.32 mm 14.23 cm | 4.87 in 123.82 mm 12.38 cm |
| Aspect ratio | 2:1 2:1 (18:9) | 2.111:1 | 2:1 2:1 (18:9) |
| Resolution | 720 x 1440 pixels | 720 x 1520 pixels | 720 x 1440 pixels |
| Pixel density | 293 ppi 115 ppcm | 271 ppi 106 ppcm | 295 ppi 115 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 74.82 % | 81.51 % | 73.18 % |
| Other features | Capacitive Multi-touch | Capacitive Multi-touch | Capacitive Multi-touch |
| 2.5D curved glass screen | 2.5D curved glass screen 90 Hz refresh rate | 2.5D curved glass screen |
Sensors
Different sensors measure different physical quantities and convert them into signals recognizable by the mobile device.
| Sensors | Proximity Light 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 |
| Pixel size | - | 1.12 µm 0.001120 mm | - |
| ISO | - | 100 - 1600 | - |
| Aperture | f/2 | f/2.2 | f/2 |
| Number of lenses | - | 6 | - |
| Flash type | LED | Dual LED | Dual LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 4160 x 3120 pixels 12.98 MP | 4160 x 3120 pixels 12.98 MP |
| Video resolution | 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 |
| Features | 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) | 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) | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus Face detection White balance settings ISO settings Exposure compensation Scene mode |
| Blue filter glass | Secondary rear camera - 2 MP Aperture size - f/2.4 | - |
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.
| Aperture | - | f/2.2 | f/2 |
| Auxiliary light | - | - | Dual LED |
| Image resolution | 1600 x 1200 pixels 1.92 MP | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 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 |
| Features | Face unlock | Face unlock | Face unlock |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece | Loudspeaker Earpiece |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS | GPS A-GPS GLONASS | GPS A-GPS |
Wi-Fi
Wi-Fi is a technology that provides wireless data connections between various devices within a short range.
| Wi-Fi | 802.11b 802.11g 802.11n Wi-Fi Hotspot | 802.11a 802.11b 802.11g 802.11n 802.11n 5GHz Dual band Wi-Fi Hotspot Wi-Fi Display | 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 | 4.0 | 4.2 | 4.1 |
| Features | 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 |
| Version | 2.0 | 2.0 | 2.0 |
| Features | Charging Mass storage | 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 |
Connectivity
Information about other important connectivity technologies supported by the devices.
| Connectivity | Computer sync OTA sync Tethering | Computer sync OTA sync Tethering VoLTE | 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 |
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 AMR eAAC+ FLAC M4A MIDI MP3 OGG WMA WAV | AAC AAC+ AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | AAC AMR eAAC+ MIDI MP3 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 MKV MP4 WMV Xvid | 3GPP AVI DivX Flash Video MKV MP4 WebM WMV Xvid | 3GPP AVI MP4 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 | 2200 mAh | 4230 mAh | 3050 mAh |
| Type | Li-Ion | Li-Polymer | Li-Polymer |
| Charger output power | - | - | 5 V / 1.2 A |
| Features | - | 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) | - | - | 0.551 W/kg |
| Body SAR (EU) | - | - | 0.811 W/kg |
| Head SAR (USA) | - | - | 0.42 W/kg |
| Body SAR (USA) | - | - | 0.983 W/kg |
| Koobee S506m | Oppo A3s | Infinix Smart 2 |