Samsung Galaxy S7 Duos (SM-G930FD) vs Xiaomi Mi A2 (128GB)
Side by side comparison between Samsung Galaxy S7 vs Xiaomi Mi A2 phones, differences, pros, cons and full specifications. What's the better?
,
5.1"
AMOLED
AMOLED
1440x2560
12.2
MP
MP
5mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S7 Duos (SM-G930FD)
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!
19 Advantages 
14 Advantages | 24 Common items in both devices |
| Aluminum frame, glass front/back / Aluminum body, glass front |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +17 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-G930FD) | Xiaomi Mi A2 (128GB) | |
| Model | Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) |
| Other model names | Galaxy S7 Dual Sim G930FD (Exynos), Samsung Hero | Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne |
| Country or region available |      (Europe), China, India, Indonesia, Taiwan |  (Global, International), India |
| Brand | Samsung | Xiaomi |
| Release date | 3/11/2016, Announced: 2/21/2016 | 7/27/2018, Announced: 7/24/2018 |
| Depth | 7.9 millimeters (0.31 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 69.6 x 142.4 millimeters (2.74 x 5.61 in) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) |
| Weight | 152 grams (5.32 ounces) | 166 grams (5.81 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front |
| 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-G930FD) | Xiaomi Mi A2 (128GB) | |
| Display type | Super AMOLED | LTPS IPS LCD |
| Screen size | 5.1" inches | 5.99" inches |
| Screen-to-body ratio | ~72.3% (screen-to-body ratio) | ~77.4% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 1080x2160 pixels (19:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 576 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| System version | Android 6.0.1 Marshmallow | Android 8.1 Oreo |
| Firmware update | Android 8.0 Oreo | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| Chipset | 64bit: Samsung Exynos 8890 (14nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz M1 Mongoose (Quad-core) 4x 1.6GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-T880 MP12 (650MHz) | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | AnTuTu: 80582 (v5), 175184 (v8) | AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| RAM memory | 4GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 32GB (22GB available) UFS 2.0 | 128GB (111GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| 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 |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 450/50 Mbps | 600/150 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 850/900/1700/1900/2100 | Global version: UMTS 850/900/1700/1900/2100 India version: 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, 28) TD-LTE (Bands 38, 39, 40, 41) | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 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 | 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-G930FD) | Xiaomi Mi A2 (128GB) | |
| Back camera (main camera) | 12.2 megapixels | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm |
| Main camera resolution | 4032x3024 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.55" inches | 1/2.9" inches |
| Pixel size | 1.4µm pixel | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| Front camera (secondary) | 5 megapixels | 20 megapixels |
| Front camera resolution | 2592x1944 pixels | 5164x3872 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | 22mm lens | feature not registered |
| Sensor size | 1/4.1" inches | 1/2.8" inches |
| Pixel size | 1.34µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| 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 | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| 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 Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| 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 | 18W Wired fast charging Quick Charge 4 |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Not supported |
| 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-G930FD) | Xiaomi Mi A2 (128GB) | |
| 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, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display |
☢️ Radiation rate | ||
| Galaxy S7 Duos (SM-G930FD) | Xiaomi Mi A2 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.64W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.406W/kg (head), 0.621W/kg (body) | 1.16W/kg (head), 0.66W/kg (body) |