📱 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 |