Samsung Galaxy J7 Star (SM-J737T1) vs Xiaomi Redmi 7A (12MP 16GB)
Side by side comparison between Samsung Galaxy J7 Star vs Xiaomi Redmi 7A phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
TFT
TFT
720x1280
13
MP
MP
13mp
2GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy J7 Star (SM-J737T1)
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!
13 Advantages 
9 Advantages | 27 Common items in both devices |
| 2GB LPDDR3 |
| eMMC 5.1 |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| +20 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 J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Model | Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) |
| Other model names | Galaxy J7 2018 (MetroPCS) SM-J737TZSATMK, Galaxy J7 Prime | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU |
| Country or region available |  USA |    (Europe), (Global, International), India |
| Brand | Samsung | Xiaomi |
| Release date | 7/1/2018 | 7/1/2019 |
| Depth | 8.6 millimeters (0.34 inches) | 9.55 millimeters (0.38 inches) |
| Size (width x height) | 76.2 x 153.2 millimeters (3 x 6.03 in) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) |
| Weight | 181 grams (6.34 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 5.5" inches | 5.45" inches |
| Screen-to-body ratio | ~71.4% (screen-to-body ratio) | ~74.4% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 720x1440 pixels (18:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| System version | Android 8.0 Oreo | Android 9.0 Pie |
| Firmware update | Android 9.0 Pie | Android 10 |
| User Interface | One UI | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Chipset | 64bit: Samsung Exynos 7870 (14nm) | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) |
| CPU | Octa-core, 1 processor: 8x 1.6GHz ARM Cortex-A53 (Octa-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-T830 MP1 (700MHz) | Qualcomm Adreno 505 650Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| RAM memory | 2GB LPDDR3 | 2GB LPDDR3 |
| Internal storage | 32GB (22GB available) eMMC 5.1 | 16GB (9GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| 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 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 850/1700/1900 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (2, 4, 5, 7, 12, 66, 71) | LTE Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7995IN, MZB7798IN, MZB7799IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (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 850/900/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Back camera (main camera) | 13 megapixels | 12 megapixels |
| Main camera resolution | 4128x3096 pixels | 4000x3000 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/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.9" inches |
| Pixel size | feature not registered | 1.25µm pixel |
| Autofocus | Autofocus | PDAF: phase detection 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 J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| 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 | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| 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 [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 4000 mAh |
| Charger, watts | Wired charging | 5W (5V/1A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 31 hours (1.3 days) | feature not registered |
| Standby | 768 hours (32 days) | 456 hours (19 days) |
➕ Other features | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* |
☢️ Radiation rate | ||
| Galaxy J7 Star (SM-J737T1) | Redmi 7A (12MP 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.36W/kg (head), 1.58W/kg (body) | 1W/kg (head), 1.12W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.56W/kg (head), 1.17W/kg (body) |