Comparison between:
- Samsung Galaxy J3 Achieve
- Samsung Galaxy J7 Perx
Brand and model
Information about the brand, model and model alias (if any) of a specific device.
| Samsung Galaxy J3 Achieve | Samsung Galaxy J7 Perx | |
 |  | |
| Model alias | SM-J337P J337P | Galaxy J7Perx |
Design
Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications.
| Width | 70.1 mm 7.01 cm 0.23 ft 2.76 in | 76 mm 7.6 cm 0.249 ft 2.992 in |
| Height | 142.7 mm 14.27 cm 0.468 ft 5.618 in | 151.38 mm 15.138 cm 0.497 ft 5.96 in |
| Thickness | 8.9 mm 0.89 cm 0.029 ft 0.35 in | 8.63 mm 0.863 cm 0.028 ft 0.34 in |
| Weight | 152 g 0.34 lbs 5.36 oz | 167 g 0.37 lbs 5.9 oz |
| Volume | 89.03 cm³ 5.41 in³ | 99.29 cm³ 6.03 in³ |
| Colors | Black | Gold Black |
| Body materials | Plastic | 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 | Nano-SIM |
| Number of SIM cards | 1 | 1 |
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 |
| UMTS | UMTS 850 MHz UMTS 1700/2100 MHz UMTS 1900 MHz | UMTS 850 MHz UMTS 900 MHz UMTS 1900 MHz UMTS 2100 MHz |
| LTE | LTE 850 MHz LTE 1700/2100 MHz LTE 1900 MHz LTE 2600 MHz LTE-TDD 2500 MHz (B41) LTE 700 MHz (B12) LTE 1900 MHz (B25) LTE 850 MHz (B26) | LTE 850 MHz LTE 900 MHz LTE 1700/2100 MHz LTE 1800 MHz LTE 1900 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 Cat 4 | 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 8.0 Oreo | Android 7.0.1 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 | Samsung Exynos 7 Quad 7570 | Qualcomm Snapdragon 625 (MSM8953) |
| Process technology | 14 nm | 14 nm |
| CPU | 4x 1.4 GHz ARM Cortex-A53 | 8x 2.0 GHz ARM Cortex-A53 |
| CPU bits | 64 bit | 64 bit |
| Instruction set | ARMv8-A | ARMv8-A |
| CPU cores | 4 | 8 |
| CPU frequency | 1400 MHz | 2000 MHz |
| GPU | ARM Mali-T720 MP1 | Qualcomm Adreno 506 |
| GPU cores | 1 | - |
| GPU frequency | 700 MHz | 650 MHz |
| RAM capacity | 2 GB | 2 GB |
| RAM type | LPDDR3 | LPDDR3 |
| RAM channels | Single channel | Single channel |
| RAM frequency | 933 MHz | 933 MHz |
Storage
Every mobile device has a built-in storage (internal memory) with a fixed capacity.
| Storage | 16 GB | 16 GB |
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 | TFT | PLS |
| Diagonal size | 5 in 127 mm 12.7 cm | 5.5 in 139.7 mm 13.97 cm |
| Width | 2.45 in 62.26 mm 6.23 cm | 2.7 in 68.49 mm 6.85 cm |
| Height | 4.36 in 110.69 mm 11.07 cm | 4.79 in 121.76 mm 12.18 cm |
| Aspect ratio | 1.778:1 16:9 | 1.778:1 16:9 |
| Resolution | 720 x 1280 pixels | 1080 x 1920 pixels |
| Pixel density | 294 ppi 115 ppcm | 401 ppi 157 ppcm |
| Color depth | 24 bit 16777216 colors | 24 bit 16777216 colors |
| Display area | 69.12 % | 72.72 % |
| Other features | Capacitive Multi-touch Scratch resistant | Capacitive Multi-touch |
| Corning Gorilla Glass 5 | 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 Fingerprint Hall |
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/1.9 | - |
| Flash type | LED | Dual LED |
| Image resolution | 3264 x 2448 pixels 7.99 MP | 3264 x 2448 pixels 7.99 MP |
| Video resolution | 1920 x 1080 pixels 2.07 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 | Autofocus Continuous shooting Digital zoom Geotagging Panorama HDR Touch focus 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 BSI |
| Aperture | f/2.2 | - |
| Image resolution | 2592 x 1944 pixels 5.04 MP | 2592 x 1944 pixels 5.04 MP |
Audio
Information about the type of speakers and the audio technologies supported by the device.
| Speaker | Loudspeaker Earpiece | Loudspeaker Earpiece |
| HAC (M3/T3) - Hearing Aid Compatibility | HAC (M3/T3) - Hearing Aid Compatibility |
Radio
The radio in a mobile device is a built-in FM radio receiver.
| Radio | Yes | - |
Tracking/Positioning
Information about the positioning and navigation technologies supported by the device.
| Tracking/Positioning | GPS A-GPS GLONASS | 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 | 802.11b 802.11g 802.11n Wi-Fi Hotspot Wi-Fi Direct | 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 | 4.2 | 4.2 |
| Features | A2DP AVRCP EDR HDP HFP HID MAP OPP PBAP SPP | 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 | Micro USB | Micro USB |
| Version | 2.0 | 2.0 |
| Features | Charging Mass storage | 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 | Computer sync OTA sync Tethering ANT+ |
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 AMR eAAC+ FLAC MIDI MP3 OGG WMA WAV | 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 H.263 H.264 MKV MP4 WMV | 3GPP 3GPP2 AVI Flash Video MP4 WebM WMV 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 | 2600 mAh | 3300 mAh |
| Type | Li-Ion | Li-Ion |
| 2G talk time | 29 h 1740 min 1.2 days | 20 h 1200 min 0.8 days |
| 2G stand-by time | 500 h 30000 min 20.8 days | 320 h 19200 min 13.3 days |
| 3G talk time | 29 h 1740 min 1.2 days | 20 h 1200 min 0.8 days |
| 3G stand-by time | 500 h 30000 min 20.8 days | 320 h 19200 min 13.3 days |
| Charger output power | 5 V / 1 A | - |
| Features | 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 (USA) | 1.06 W/kg | 1.24 W/kg |
| Body SAR (USA) | 0.82 W/kg | 1.58 W/kg |
| Samsung Galaxy J3 Achieve | Samsung Galaxy J7 Perx |
