Samsung Star Duos (GT-B7722) vs Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
Side by side comparison between Samsung Star Duos vs Samsung Galaxy M51 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.7"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
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 
32 Advantages | 9 Common items in both devices |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| +2 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 M51 (SM-M515F/DSN 8GB RAM) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Samsung Galaxy M51 SM-M515F/DSN (8GB RAM) |
| Country or region available | feature not registered |    India, Malaysia, Turkey |
| Brand | Samsung | Samsung |
| Release date | 6/1/2010 | 9/11/2020 |
| Depth | 14.3 millimeters (0.56 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 76.3 x 163.9 millimeters (3 x 6.45 in) |
| Weight | 112 grams (3.92 ounces) | 213 grams (7.46 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 M51 (SM-M515F/DSN 8GB RAM) | |
| Display type | TFT LCD | Super AMOLED Plus |
| Screen size | 3.2" inches | 6.7" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~88.1% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 385 PPI |
| Colors | 260 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| System version | Proprietary OS | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| RAM memory | feature not registered | 8GB LPDDR4X |
| Internal storage | 270MB | 128GB (106GB available) eMMC 5.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| 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 | 400/50 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 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Back camera (main camera) | 5 megapixels | (quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | 2560x1920 pixels | 10120x6328 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection 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 M51 (SM-M515F/DSN 8GB RAM) | |
| Front camera (secondary) | Not supported | 32 megapixels |
| Front camera resolution | Not supported | 6528x4896 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | via Micro-USB | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 7000 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging Reverse charging by cable |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5.6 hours | 64 hours (2.7 days) |
| Standby | 330 hours (13.8 days) | feature not registered |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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: Celestial Black, Electric Blue • One UI 2.1, 3.1 |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.609W/kg (head), 1.446W/kg (body) |