📱 Model features |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Model | Galaxy A3 (SM-A300YZ) | Galaxy J7 2018 (SM-J737A) |
| Other model names | Galaxy A3 (4G LTE) SM-A300YZ (Single-Sim) | Galaxy J7 (AT&T) SM-J737AZKAATT |
| Country or region available |    
(Latin America), Chile, Guatemala, Panama | 
USA |
| Brand | Samsung | Samsung |
| Release date | 11/1/2014 | 7/1/2018 |
| Depth | 6.9 millimeters (0.27 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 65.5 x 130.1 millimeters (2.58 x 5.12 in) | 76.2 x 153.2 millimeters (3 x 6.03 in) |
| Weight | 110 grams (3.85 ounces) | 181 grams (6.34 ounces) |
| Build, materials | Aluminum body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| System version | Android 4.4.4 KitKat | Android 8.0 Oreo |
| Firmware update | Android 6.0.1 Marshmallow | Android 9.0 Pie |
| User Interface | TouchWiz UX | feature not registered |
⚙️ Processor |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Chipset | 64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm) | 64bit: Samsung Exynos 7870 (14nm) |
| CPU | Quad-core, 1 processor:
4x 1.2GHz ARM Cortex-A53 (Quad-core) | Octa-core, 1 processor:
8x 1.6GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 306 (400MHz) | ARM Mali-T830 MP1 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| RAM memory | 1GB LPDDR2 | 2GB LPDDR3 |
| Internal storage | 16GB (12GB available)
eMMC 4.5 | 16GB (10GB available)
eMMC 5.1 |
| External storage | Until 64GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC
(dedicated slot) |
📲 Display |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 4.5" inches | 5.5" inches |
| Screen-to-body ratio | ~65.5% (screen-to-body ratio) | ~71.4% (screen-to-body ratio) |
| Display resolution | 540x960 pixels (16:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
📶 Mobile networks |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM)
nano-SIM (4FF) | 1 slot (Single-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 (3, 7, 8, 28) | LTE Cat6 (Bands 2, 3, 4, 5, 7, 12, 14) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Back camera (main camera) | 8 megapixels | 13 megapixels |
| Main camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/1.7 (aperture) |
| Focal length | 31mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Front camera (secondary) | 5 megapixels | 13 megapixels |
| Front camera resolution | 2592x1944 pixels | 4128x3096 pixels |
| Video recording (secondary) | WVGA (800x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
| Focal length | 23mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n (2.4Ghz)
WiFi hotspot | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Sensors | Accelerometer
Ambient Light sensor
ANT+
Compass
Proximity sensor | Accelerometer
Ambient Light sensor
ANT+
Compass
Face unlock
Gyroscope
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | Li-Ion: Lithium-Ion (Non removable) |
| Battery capacity | 1900 mAh | 3300 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | Wired charging |
| Talk time autonomy | 12 hours | 31 hours (1.3 days) |
| Standby | feature not registered | 768 hours (32 days) |
➕ Other features |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | - Colors: Black, White, Blue, Silver, Pink, Gold
- Java framework | - Colors: Black, Blue, Gold
- One UI |
☢️ Radiation rate |
| Samsung Galaxy A3 (SM-A300YZ) | Samsung Galaxy J7 2018 (SM-J737A) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.52W/kg (head), 1.08W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.342W/kg (head), 0.231W/kg (body) | feature not registered |