Samsung Star Duos (GT-B7722) vs Asus ROG Phone 2 (512GB)
Side by side comparison between Samsung Star Duos vs Asus ROG Phone 2 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.59"
AMOLED
AMOLED
1080x2340
48
MP
MP
24mp
12GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
What's the better phone? Asus ROG Phone 2 (512GB)
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!
4 Advantages 
33 Advantages | 6 Common items in both devices |
| Only digital zoom |
| Autofocus / LDAF/PDAF: laser/phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| + 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) | Asus ROG Phone 2 (512GB) | |
| Change model | ||
| Model | Star Duos (GT-B7722) | ROG Phone 2 (512GB) |
| Other model names | Samsung GT-B7722/H, Samsung B7722i Duos | Asus ROG Phone II ZS660KL (512GB + 12GB RAM) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Samsung | Asus |
| Release date | 6/1/2010 | 8/1/2019, Announced: 7/22/2019 |
| Depth | 14.3 millimeters (0.56 inches) | 9.78 millimeters (0.39 inches) |
| Size (width x height) | 55.5 x 113.5 millimeters (2.19 x 4.47 in) | 77.6 x 170.99 millimeters (3.06 x 6.73 in) |
| Weight | 112 grams (3.92 ounces) | 240 grams (8.4 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back Back: Gorilla Glass 3 |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Display type | TFT LCD | AMOLED |
| Screen size | 3.2" inches | 6.59" inches |
| Screen-to-body ratio | ~46.3% (screen-to-body ratio) | ~80.3% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 146 PPI | 391 PPI |
| Colors | 260 thousand | 1 billion |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 600nits[typ] HDR10 108% DCI-P3 1ms response |
🤖 Operating System | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| System version | Proprietary OS | Android 9.0 Pie |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | ROG UI |
⚙️ Processor | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) |
| CPU | Single-core, 1 processor: Single-core | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 640 (672MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 398936 (v7), 483248 (v8) Geekbench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| RAM memory | feature not registered | 12GB LPDDR4X |
| Internal storage | 270MB | 512GB (484GB available) UFS 3.0 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3.6 Mbps | 1200/150 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) |
| 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm125° |
| Main camera resolution | 2560x1920 pixels | 8000x6000 pixels |
| Video recording (primary) | QVGA (320x240) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/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 | Supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | 4K@30/60fps 1080p@30/60 1080p@240fps (slow motion) 720p@480fps (slow motion) Sony IMX586 sensor |
📸 Front camera | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Front camera (secondary) | Not supported | 24 megapixels |
| Front camera resolution | Not supported | 5632x4224 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz DTS:X |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| USB | MicroUSB 2.0 | USB 3.1 Type-C reversible connector |
| Audio output | via Micro-USB | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Sensors | Accelerometer | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 6000 mAh |
| Charger, watts | Wired charging | 30W (10V/3A) Wired fast charging 10W Reverse charging by cable Quick Charge 4 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5.6 hours | feature not registered |
| Standby | 330 hours (13.8 days) | feature not registered |
➕ Other features | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| 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: Black |
☢️ Radiation rate | ||
| Samsung Star Duos (GT-B7722) | Asus ROG Phone 2 (512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |