Samsung Galaxy S7 Duos (SM-G9308) vs Samsung Galaxy A5 2017 (SM-A520K)
Side by side comparison between Samsung Galaxy S7 vs Samsung Galaxy A5 (2017) 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
5.2"
AMOLED
AMOLED
1080x1920
16
MP
MP
16mp
3GB
RAM
RAM
Octa-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!
16 Advantages 
7 Advantages | 33 Common items in both devices |
| 32GB (22GB available) |
| Until 256GB microSD, microSDXC |
| 7.9 millimeters (0.31 inches) |
| Aluminum frame, glass front/back |
| Super AMOLED |
| 60Hz |
| 16 million |
| +26 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) | Galaxy A5 2017 (SM-A520K) | |
| Model | Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) |
| Other model names | Galaxy S7 Dual-Sim G9308 (China Unicom), Samsung Hero | Galaxy A5 2017 (NTT Docomo) SM-A520K |
| Country or region available |   China, Hong Kong |  South Korea |
| Brand | Samsung | Samsung |
| Release date | 3/11/2016, Announced: 2/21/2016 | 1/13/2017 |
| Depth | 7.9 millimeters (0.31 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 69.6 x 142.4 millimeters (2.74 x 5.61 in) | 71.4 x 146.1 millimeters (2.81 x 5.75 in) |
| Weight | 152 grams (5.32 ounces) | 157 grams (5.5 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.1" inches | 5.2" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~71.5% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 1080x1920 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| System version | Android 6.0.1 Marshmallow | Android 6.0.1 Marshmallow |
| Firmware update | Android 8.0 Oreo | Android 8.0 Oreo |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Chipset | 64bit: Qualcomm Snapdragon 820 (MSM8996) (14nm) | 64bit: Samsung Exynos 7 Octa 7880 (14nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 1 processor: 8x 1.9GHz ARM Cortex-A53 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 530 (624MHz) | ARM Mali-T830 MP3 |
| Performance (benchmark) | AnTuTu: 128363 (v6) | feature not registered |
💽 Memory and storage | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| RAM memory | 4GB LPDDR4 | 3GB LPDDR4 |
| Internal storage | 32GB (22GB available) UFS 2.0 | 32GB (22GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 450/50 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 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| 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 Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28) TD-LTE (Bands 38, 40, 41) |
| 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Back camera (main camera) | 12.2 megapixels | 16 megapixels |
| Main camera resolution | 4032x3024 pixels | 4608x3456 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/1.9 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| 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 | 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 only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Front camera (secondary) | 5 megapixels | 16 megapixels |
| Front camera resolution | 2592x1944 pixels | 4608x3456 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/1.9 (aperture) |
| Focal length | 22mm lens | 26mm lens |
| Sensor size | 1/4.1" inches | 1/3.1" inches |
| Pixel size | 1.34µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.2 + A2DP | 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, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Heart rate Proximity sensor SpO2 | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | 15W Wired fast charging Quick Charge 2 | 18W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Not supported |
| Talk time autonomy | 28 hours (1.2 days) | 16 hours |
| Standby | 288 hours (12 days) | feature not registered |
➕ Other features | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| 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, Blue, Pink • Gorilla Glass on the back • Samsung Grace UX |
☢️ Radiation rate | ||
| Galaxy S7 Duos (SM-G9308) | Galaxy A5 2017 (SM-A520K) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.337W/kg (head), 0.987W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.652W/kg (head), 0.693W/kg (body) | feature not registered |