Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) vs Samsung Galaxy J7 Star (SM-J737T)
Side by side comparison between Samsung Galaxy A02 vs Samsung Galaxy J7 Star phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
13
MP
MP
5mp
3GB
RAM
RAM
Quad-core
5000
mAh
mAh
(Non removable)
vs
5.5"
TFT
TFT
720x1280
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy J7 Star (SM-J737T)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
12 Advantages 
14 Advantages | 22 Common items in both devices |
| eMMC 5.1 |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| +15 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Model | Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) |
| Other model names | Galaxy A02 SM-A022F/Dual-SIM (32GB + 3GB RAM) | Galaxy J7 2018 (T-Mobile) SM-J737TZSATMB |
| Country or region available |  (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 1/27/2021 | 7/1/2018 |
| Depth | 9.1 millimeters (0.36 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 75.9 x 164 millimeters (2.99 x 6.46 in) | 76.2 x 153.2 millimeters (3 x 6.03 in) |
| Weight | 206 grams (7.21 ounces) | 181 grams (6.34 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Display type | TFT PLS | TFT LCD |
| Screen size | 6.5" inches | 5.5" inches |
| Screen-to-body ratio | ~81.9% (screen-to-body ratio) | ~71.4% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| System version | Android 10 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 9.0 Pie |
| User Interface | feature not registered | One UI |
⚙️ Processor | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Chipset | 64bit: MediaTek MT6739 (28nm) | 64bit: Samsung Exynos 7870 (14nm) |
| CPU | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 1 processor: 8x 1.6GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | PowerVR GE8100 MP1 (570MHz) | ARM Mali-T830 MP1 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| RAM memory | 3GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (22GB available) eMMC 5.1 | 16GB (10GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-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 details Collapse 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 850/900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | LTE Cat6 (2, 4, 5, 7, 12, 66, 71) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Back camera (main camera) | (dual camera) 13 megapixels 2MP macro f/2.4 | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.7 (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 | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Front camera (secondary) | 5 megapixels | 13 megapixels |
| Front camera resolution | 2560x1920 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.7 (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 | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| 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 | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| 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 | 5.1 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Sensors | Accelerometer Face unlock Virtual proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 3300 mAh |
| Charger, watts | 10W Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 31 hours (1.3 days) |
| Standby | feature not registered | 768 hours (32 days) |
➕ Other features | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| 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, Red, Gray • One UI 2.0 • Mono sound (not stereo) | • Colors: Black, Blue |
☢️ Radiation rate | ||
| Galaxy A02 (SM-A022F/DS 32GB/3GB) | Galaxy J7 Star (SM-J737T) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.36W/kg (head), 1.58W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.645W/kg (head), 1.707W/kg (body) | feature not registered |