Samsung Star Duos (GT-B7722) vs Samsung Galaxy On8 (SM-J810GF/DS)
Side by side comparison between Samsung Star Duos vs Samsung Galaxy On8 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6"
AMOLED
AMOLED
720x1480
16
MP
MP
16mp
4GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy On8 (SM-J810GF/DS)
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!
2 Advantages 
27 Advantages | 8 Common items in both devices |
| Only digital zoom |
| Autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| FM (RDS) |
| + 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 | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Galaxy J8 J810GF/Dual-SIM 4GB RAM, SM-J810GZBFINS |
| Country or region available | feature not registered |  India |
| Brand | Samsung | Samsung |
| Release date | 6/1/2010 | 6/28/2018, Announced: 5/31/2018 |
| Depth | 14.3 millimeters (0.56 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 75.7 x 159.2 millimeters (2.98 x 6.27 in) |
| Weight | 112 grams (3.92 ounces) | 177 grams (6.2 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Display type | TFT LCD | Super AMOLED |
| Screen size | 3.2" inches | 6" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~75.8% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 720x1480 pixels (18.5:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 274 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| System version | Proprietary OS | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | One UI 2.0 |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 450 (SDM450) (14nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 1 processor: 8x 1.8GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 506 (600MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| RAM memory | feature not registered | 4GB LPDDR3 |
| Internal storage | 270MB | 64GB (51GB available) eMMC 5.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3.6 Mbps | 300/50 Mbps |
| Network technology | 2G, 3G | 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 2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 900/1800 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat6 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 16 megapixels 5MP depth f/1.9 |
| Main camera resolution | 2560x1920 pixels | 4608x3456 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | feature not registered | 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 | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Not supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Front camera (secondary) | Not supported | 16 megapixels |
| Front camera resolution | Not supported | 4608x3456 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | feature not registered | Not supported |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | via Micro-USB | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Sensors | Accelerometer | Accelerometer Face unlock 2D Fingerprint sensor (rear-mounted) Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 3500 mAh |
| Charger, watts | Wired charging | 7.75W (5V/1.55A) Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5.6 hours | 23 hours |
| Standby | 330 hours (13.8 days) | feature not registered |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| Call control | Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • SHP OS • Dolphin 1.0 browser • 3D Sound Technology • Java framework | • Colors: Black, Blue |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Galaxy On8 (SM-J810GF/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.574W/kg (head), 1.176W/kg (body) |