Samsung Galaxy S7 Duos (SM-G9308) vs Asus Zenfone 2 (ZE551ML 16GB)
Side by side comparison between Samsung Galaxy S7 vs Asus Zenfone 2 phones, differences, pros, cons and full specifications. What's the better?
,
5.1"
AMOLED
AMOLED
1440x2560
12.2
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S7 Duos (SM-G9308)
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!
23 Advantages 
5 Advantages | 21 Common items in both devices |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| (front) 5MP |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| +14 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 S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Model | Galaxy S7 Duos (SM-G9308) | Zenfone 2 (ZE551ML 16GB) |
| Other model names | Galaxy S7 Dual-Sim G9308 (China Unicom), Samsung Hero | Asus Zenfone 2 ZE551ML Dual-sim (16GB + 4GB RAM) |
| Country or region available |   China, Hong Kong | feature not registered |
| Brand | Samsung | Asus |
| Release date | 3/11/2016, Announced: 2/21/2016 | 3/1/2015 |
| Depth | 7.9 millimeters (0.31 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 69.6 x 142.4 millimeters (2.74 x 5.61 in) | 77.2 x 152.5 millimeters (3.04 x 6 in) |
| Weight | 152 grams (5.32 ounces) | 170 grams (5.95 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5.1" inches | 5.5" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~70.8% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| System version | Android 6.0.1 Marshmallow | Android 5.0 Lollipop |
| Firmware update | Android 8.0 Oreo | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 820 (MSM8996) (14nm) | 64bit: Intel Atom Z3560 |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Quad-core, 1 processor: 4x 1.8GHz Intel Silvermont (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 (624MHz) | PowerVR G6430 MP4 |
| Performance (benchmark) | AnTuTu: 128363 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| RAM memory | 4GB LPDDR4 | 4GB LPDDR3 |
| Internal storage | 32GB (22GB available) UFS 2.0 | 16GB (10GB available) |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 450/50 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 | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26) TD-LTE (Bands 38, 39, 40, 41) | LTE Cat4 800/850/900/1700/1800/1900/2100/2600 Bands (1,2,3,4,5,7,8,20) - USA: 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20) |
| 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | 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 | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| 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 | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.0 (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: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2592x1944 pixels | 2560x1920 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 22mm lens | feature not registered |
| Sensor size | 1/4.1" inches | feature not registered |
| Pixel size | 1.34µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.2 + A2DP | 4.0 + 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) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | 15W Wired fast charging Quick Charge 2 | Wired charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | feature not registered |
| Talk time autonomy | 28 hours (1.2 days) | feature not registered |
| Standby | 288 hours (12 days) | feature not registered |
➕ Other features | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 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, Gold, Silver • Corning Gorilla Glass back panel • Samsung Gear VR compatible • Fast battery charging: 83% in 30min • OneDrive 115GB • Samsung Pay (Visa, MasterCard) | • Colors: Black, Gold, Gray, Red, White • Asus ZenUI • Fast battery charging: 60% in 40min • 5GB free ASUS WebStorage • OpenGL 3.0 • Asus BoostMaster 18W adapter included |
☢️ Radiation rate | ||
| Galaxy S7 Duos (SM-G9308) | Asus Zenfone 2 (ZE551ML 16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.652W/kg (head), 0.693W/kg (body) | feature not registered |