Samsung Galaxy S7 Active (SM-G891A) vs Samsung Galaxy A8 Duos (SM-A8000 32GB)
Side by side comparison between Samsung Galaxy S7 Active vs Samsung Galaxy A8 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
4000
mAh
mAh
(Non removable)
vs
5.7"
AMOLED
AMOLED
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3050
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S7 Active (SM-G891A)
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!
17 Advantages 
7 Advantages | 28 Common items in both devices |
| Until 256GB microSD, microSDXC |
| Aluminum body, glass front, plastic back |
| Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| +21 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 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Change model | ||
| Model | Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) |
| Other model names | AT&T Galaxy S7 active G891A | Samsung Galaxy A8 SM-A8000 (Dual-Sim) |
| Country or region available |  USA |  China |
| Brand | Samsung | Samsung |
| Release date | 6/10/2016 | 8/1/2015 |
| Depth | 9.9 millimeters (0.39 inches) | 5.9 millimeters (0.23 inches) |
| Size (width x height) | 74.9 x 148.8 millimeters (2.95 x 5.86 in) | 76.8 x 158 millimeters (3.02 x 6.22 in) |
| Weight | 185 grams (6.48 ounces) | 151 grams (5.29 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum body, glass front, plastic back |
| Protection against water and others | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.1" inches | 5.7" inches |
| Screen-to-body ratio | ~64.3% (screen-to-body ratio) | ~73.8% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 386 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 4 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| System version | Android 6.0.1 Marshmallow | Android 5.1.1 Lollipop |
| Firmware update | Android 7.0 Nougat | Android 6.0 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 820 MSM8996 (14nm) | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 530 | Qualcomm Adreno 405 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| RAM memory | 4GB LPDDR4 | 2GB LPDDR3 |
| Internal storage | 32GB (22GB available) UFS 2.0 | 32GB (25GB available) eMMC 4.5 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 29, 30) TD-LTE (Bands 38, 39, 40, 41) | LTE Cat4 (Bands 1, 3, 7, 8) TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| 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 | 31mm 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 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Front camera (secondary) | 5 megapixels | 5 megapixels |
| Front camera resolution | 2592x1944 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/1.9 (aperture) |
| Focal length | 22mm lens | 23mm lens |
| Sensor size | 1/4.1" inches | feature not registered |
| Pixel size | 1.34µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.264, H.263, MKV, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Heart rate Proximity sensor SpO2 | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 3050 mAh |
| Charger, watts | 15W Wired fast charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | feature not registered |
| Talk time autonomy | 32 hours (1.3 days) | 17 hours |
| Standby | 384 hours (16 days) | feature not registered |
➕ Other features | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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: Sandy gold, Green camo, Titanium gray • Fast battery charging: 60% in 30min • Quick Charge 2.0 • OneDrive 115GB • Samsung Pay | • Colors: Black, White, Gold • Samsung TouchWiz UX |
☢️ Radiation rate | ||
| Galaxy S7 Active (SM-G891A) | Galaxy A8 Duos (SM-A8000 32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.25W/kg (head), 1.55W/kg (body) | 0.81W/kg (head), 1.19W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.316W/kg (head), 0.981W/kg (body) | 0.252W/kg (head), 0.672W/kg (body) |