Samsung Galaxy S8 (SM-G950A) vs Samsung Galaxy J7 Star (SM-J737T)
Side by side comparison between Samsung Galaxy S8 vs Samsung Galaxy J7 Star phones, differences, pros, cons and full specifications. What's the better?
,
5.8"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
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 S8 (SM-G950A)
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!
28 Advantages 
3 Advantages | 26 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF on back camera and autofocus front camera / Autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +19 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 S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Model | Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) |
| Other model names | AT&T Galaxy S8 G950A (Snapdragon), Samsung Dream | Galaxy J7 2018 (T-Mobile) SM-J737TZSATMB |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 4/21/2017, Announced: 3/29/2017 | 7/1/2018 |
| Depth | 8 millimeters (0.31 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) | 76.2 x 153.2 millimeters (3 x 6.03 in) |
| Weight | 155 grams (5.43 ounces) | 181 grams (6.34 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 5.8" inches | 5.5" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~71.4% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 568 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | HDR10 | Not supported |
🤖 Operating System | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| System version | Android 7.0 Nougat | Android 8.0 Oreo |
| Firmware update | Android 9.0 Pie | Android 9.0 Pie |
| User Interface | feature not registered | One UI |
⚙️ Processor | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Samsung Exynos 7870 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) | Octa-core, 1 processor: 8x 1.6GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 540 (670-710MHz) | ARM Mali-T830 MP1 (700MHz) |
| Performance (benchmark) | AnTuTu: 199022 (v7) Geekbench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| RAM memory | 4GB LPDDR4 | 2GB LPDDR3 |
| Internal storage | 64GB (51GB available) UFS 2.0 | 16GB (10GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| 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 | 1024/150 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 | TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat16 (1,2,3,4,5,7,8,12,18,19,20,28,29,30) TD-LTE (38,39,40,41) | LTE Cat6 (2, 4, 5, 7, 12, 66, 71) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Back camera (main camera) | 12.2 megapixels | 13 megapixels |
| Main camera resolution | 4032x3024 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF on back camera and autofocus front camera | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Front camera (secondary) | 8 megapixels | 13 megapixels |
| Front camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/3.6" inches | feature not registered |
| Pixel size | 1.22µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor ANT+ Compass Face unlock Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 (SM-G950A) | Galaxy J7 Star (SM-J737T) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3300 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | Wired charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Not supported |
| Talk time autonomy | 29 hours (1.2 days) | 31 hours (1.3 days) |
| Standby | 326 hours (13.6 days) | 768 hours (32 days) |
➕ Other features | ||
| Galaxy S8 (SM-G950A) | 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, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio | • Colors: Black, Blue |
☢️ Radiation rate | ||
| Galaxy S8 (SM-G950A) | 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.) | feature not registered | feature not registered |