Comparison between:
- Oppo A40
- Samsung Galaxy J1 mini
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Oppo A40 | Samsung Galaxy J1 mini | |
 |  | |
| Model alias | - | SM-J105B/DS J105B/DS SM-J105H J105H |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 76.08 mm 7.608 cm 0.25 ft 2.995 in | 63.1 mm 6.31 cm 0.207 ft 2.484 in |
| Height | 165.77 mm 16.577 cm 0.544 ft 6.526 in | 121.6 mm 12.16 cm 0.399 ft 4.787 in |
| Thickness | 7.68 mm 0.768 cm 0.025 ft 0.302 in | 10.8 mm 1.08 cm 0.035 ft 0.425 in |
| Weight | 186 g 0.41 lbs 6.56 oz | 120 g 0.26 lbs 4.23 oz |
| Volume | 96.86 cm³ 5.88 in³ | 82.87 cm³ 5.03 in³ |
| Colors | Sparkle Black Starry Purple Nebula Red | Black White Gold |
| Body materials | Plastic Glass | Plastic |
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 |
| 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 850 MHz GSM 900 MHz GSM 1800 MHz GSM 1900 MHz |
| CDMA | CDMA 1700/2100 MHz (BC15) | - |
| W-CDMA | W-CDMA 850 MHz (B5) W-CDMA 850 MHz (B6) W-CDMA 900 MHz (B8) W-CDMA 900 MHz (B19) W-CDMA 1700 MHz (B4) W-CDMA 1900 MHz (B2) W-CDMA 2100 MHz (B1) | - |
| UMTS | - | UMTS 900 MHz UMTS 2100 MHz UMTS 850 MHz (SM-J105B/DS) UMTS 1900 MHz (SM-J105B/DS) |
| 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 1900 MHz (B39) LTE-TDD 2300 MHz (B40) LTE-TDD 2500 MHz (B41) LTE-TDD 2600 MHz (B38) | - |
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 | EDGE GPRS HSPA+ LTE | UMTS EDGE GPRS HSPA+ |
Operating system
Operating system is the system software, which manages and controls the functioning of the hardware components of the device.
| Operating system (OS) | ColorOS 14 (Android 14) | Android 5.1.1 Lollipop |
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 6s Gen 1 | Spreadtrum SC8830 |
| Process technology | - | 28 nm |
| CPU | 4x ARM Cortex-A73 (Kryo 260), 4x ARM Cortex-A53 (Kryo 260) | 4x 1.2 GHz ARM Cortex-A7 |
| CPU bits | 64 bit | 32 bit |
| Instruction set | ARMv8.2-A | ARMv7-A |
| Level 1 cache memory (L1) | - | 32 KB + 32 KB |
| Level 2 cache memory (L2) | - | 512 KB 0.5 MB |
| CPU cores | 8 | 4 |
| CPU frequency | 2100 MHz | 1200 MHz |
| GPU | Qualcomm Adreno 610 | ARM Mali-400 MP2 |
| GPU cores | - | 2 |
| GPU frequency | 1050 MHz | - |
| RAM capacity | 4 GB | 768 MB |
| RAM type | LPDDR4X | LPDDR2/LPDDR3 |
| RAM channels | Double channel | Single channel |
| RAM frequency | 2133 MHz | - |
| Virtual RAM expansion | - |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 128 GB 256 GB | 8 GB |
| eMMC 5.1 | - |
Memory cards
Memory cards are used in mobile devices for expanding their external storage capacity.
| Types | - | 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 | 6.67 in 169.42 mm 16.94 cm | 4 in 101.6 mm 10.16 cm |
| Width | 2.73 in 69.38 mm 6.94 cm | 2.06 in 52.27 mm 5.23 cm |
| Height | 6.09 in 154.56 mm 15.46 cm | 3.43 in 87.12 mm 8.71 cm |
| Aspect ratio | 2.228:1 | 1.667:1 5:3 |
| Resolution | 720 x 1604 pixels | 480 x 800 pixels |
| Pixel density | 264 ppi 103 ppcm | 233 ppi 91 ppcm |
| Color depth | 24 bit 16777216 colors | 18 bit 262144 colors |
| Display area | 85.3 % | 59.54 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| 2.5D curved glass screen Panda Glass 90 Hz refresh rate 1000 cd/m² peak brightness 83% 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 Fingerprint Gravity | Accelerometer |
| Side-mounted fingerprint 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 type | CMOS | CMOS |
| Aperture | f/1.8 | f/2.2 |
| Field of view | 76 ° | - |
| Number of lenses | 5 | - |
| Flash type | LED | LED |
| Image resolution | 8120 x 6180 pixels 50.18 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 | Autofocus Digital zoom Geotagging Panorama HDR Touch focus | Digital zoom Geotagging Face detection White balance settings ISO settings Exposure compensation Self-timer 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.
| Sensor type | CMOS | - |
| Aperture | f/2.2 | f/2.4 |
| Field of view | 78 ° | - |
| Number of lenses | 3 | - |
| Image resolution | 2560 x 1944 pixels 4.98 MP | 640 x 480 pixels 0.31 MP |
| Video resolution | 1920 x 1080 pixels 2.07 MP | 640 x 480 pixels 0.31 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 |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | No | Yes |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS BeiDou Galileo QZSS | GPS A-GPS GLONASS |
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 | 5.0 | 4.0 |
| Features | A2DP LE | A2DP AVRCP DIP HFP HID HSP MAP OPP PAN PBAP |
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 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 |
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 aptX aptX HD eAAC+ FLAC MIDI MP3 OGG WMA WAV LDAC TWS+ SBC | AAC AMR AMR-WB FLAC M4A 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 MP4 WebM WMV Xvid | 3GPP 3GPP2 AVI MKV QuickTime MP4 WebM |
Battery
The batteries of mobile devices differ in capacity and technology. They provide the electrical charge needed for the functioning of the devices.
| Capacity | 5100 mAh | 1500 mAh |
| Type | Li-Polymer | Li-Ion |
| 2G talk time | - | 8 h 480 min 0.3 days |
| 2G stand-by time | - | 180 h 10800 min 7.5 days |
| 3G talk time | - | 8 h 480 min 0.3 days |
| 3G stand-by time | - | 180 h 10800 min 7.5 days |
| Charger output power | 9 V / 5 A | - |
| Features | Fast charging Non-removable | 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) | - | 0.806 W/kg |
| Body SAR (EU) | - | 0.625 W/kg |
| Head SAR (USA) | - | 1.502 W/kg |
| Body SAR (USA) | - | 1.049 W/kg |
Additional features
Some devices have additional features, different from the standard ones above, but equally important and worth mentioning.
| Additional features | - | SM-J105H - SAR (Specific Absorption Rate) US: head - 1.553 W/kg; body - 1.026 W/kg |
| Oppo A40 | Samsung Galaxy J1 mini |
