Samsung Galaxy J7 Duo (SM-J720M) vs Xiaomi Redmi Note 3 (32GB)
Side by side comparison between Samsung Galaxy J7 Duo vs Xiaomi Redmi Note 3 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
vs
5.5"
IPS
IPS
1080x1920
16
MP
MP
5mp
3GB
RAM
RAM
Hexa-core
4050
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy J7 Duo (SM-J720M)
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!
15 Advantages 
11 Advantages | 24 Common items in both devices |
| 16 million |
| 5.5" |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo only main camera |
| Full HD (1920x1080) |
| +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 J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Model | Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) |
| Other model names | Galaxy J7 Duo J720M Single-Sim, Samsung J720 | Redmi Note 3 Pro (Qualcomm), Xiaomi Hongmi Note 3 (2015116) |
| Country or region available |  (Latin America) |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 4/1/2018 | 1/1/2016 |
| Depth | 8.2 millimeters (0.32 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) | 76 x 150 millimeters (2.99 x 5.91 in) |
| Weight | 174 grams (6.09 ounces) | 164 grams (5.74 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5.5" inches | 5.5" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~73.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| System version | Android 8.0 Oreo | Android 5.1.1 Lollipop |
| Firmware update | Android 10 | Android 6.0.1 Marshmallow |
| User Interface | One UI 2.0 | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Chipset | 64bit: Samsung Exynos 7885 (14nm) | 64bit: Qualcomm Snapdragon 650 MSM8956 (28nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A72 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | AnTuTu: 98104 (v7) | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| RAM memory | 3GB LPDDR4 | 3GB LPDDR3 |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 32GB (26GB available) eMMC 4.5 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (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) micro-SIM (3FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 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 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | 2015112 version: TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 2015116 version: UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41) | LTE Cat4 2015112 version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 39, 40, 41) 2015116 version: LTE (Bands 1, 3, 5, 7, 20, 28) 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 | 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 J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP depth f/1.9 | 16 megapixels |
| Main camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash on both cameras | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Front camera (secondary) | 8 megapixels | 5 megapixels |
| Front camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Sensors | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 4050 mAh |
| Charger, watts | Wired charging | 10W Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 20 hours | 26 hours (1.1 days) |
| Standby | feature not registered | 264 hours (11 days) |
➕ Other features | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| Call control | Voice dialing, Voice recorder | 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, Rose Gold, White • Samsung Pay | • Colors: Silver, Gray, Gold • Xiaomi MIUI 7.0 |
☢️ Radiation rate | ||
| Galaxy J7 Duo (SM-J720M) | Redmi Note 3 (32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.97W/kg (head), 0.55W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |