📱 Model features |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Model | Galaxy J7 Star (SM-J737T) | Galaxy A03 Core (SM-A032F/DS) |
| Other model names | Galaxy J7 2018 (T-Mobile) SM-J737TZSATMB | Galaxy A03 Core SM-A032F/Dual-SIM |
| Country or region available | 
USA | 
(Global, International) |
| Brand | Samsung | Samsung |
| Release date | 7/1/2018 | 12/6/2021, Announced: 11/15/2021 |
| Depth | 8.6 millimeters (0.34 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 76.2 x 153.2 millimeters (3 x 6.03 in) | 75.9 x 164.2 millimeters (2.99 x 6.46 in) |
| Weight | 181 grams (6.34 ounces) | 211 grams (7.39 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
🤖 Operating System |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| System version | Android 8.0 Oreo | Android 11 |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | One UI | Android Go edition |
⚙️ Processor |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Chipset | 64bit: Samsung Exynos 7870 (14nm) | 64bit: Unisoc SC9863A (28nm) |
| CPU | Octa-core, 1 processor:
8x 1.6GHz ARM Cortex-A53 (Octa-core) | Octa-core, 2 processors:
4x 1.6GHz ARM Cortex-A55 (Quad-core)
4x 1.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | ARM Mali-T830 MP1 (700MHz) | PowerVR GE8322 MP2 (550MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR4X |
| Internal storage | 16GB (10GB available)
eMMC 5.1 | 32GB (23GB available)
eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC
(dedicated slot) | Until 1TB microSD, microSDXC
(dedicated slot) |
📲 Display |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Display type | TFT LCD | TFT PLS |
| Screen size | 5.5" inches | 6.5" inches |
| Screen-to-body ratio | ~71.4% (screen-to-body ratio) | ~81.8% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
📶 Mobile networks |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card
(dedicated slot) |
| SIM card | 1 slot (Single-SIM)
nano-SIM (4FF) | 2 slots (Dual-SIM)
nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 150/50 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 850/1700/1900 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat6 (2, 4, 5, 7, 12, 66, 71) | LTE Cat4 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Back camera (main camera) | 13 megapixels | 8 megapixels |
| Main camera resolution | 4128x3096 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 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 on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Loudspeaker | Mono sound (not stereo) | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot | 802.11 b/g/n (2.4GHz)
WiFi 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 J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Sensors | Accelerometer
Ambient Light sensor
ANT+
Compass
Face unlock
Gyroscope
Proximity sensor | Accelerometer
Ambient Light sensor
Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 5000 mAh |
| Charger, watts | Wired charging | 7.75W (5V/1.55A) Wired charging |
| Wireless charging | Not supported | Not supported |
| Talk time autonomy | 31 hours (1.3 days) | feature not registered |
| Standby | 768 hours (32 days) | feature not registered |
➕ Other features |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| 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, Blue | • Colors: Black, Blue |
☢️ Radiation rate |
| Samsung Galaxy J7 Star (SM-J737T) | Samsung Galaxy A03 Core (SM-A032F/DS) |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.36W/kg (head), 1.58W/kg (body) | 0.3W/kg (head) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.24W/kg (head), 1.39W/kg (body) |