Asus Zenfone AR (ZS571KL 256GB) vs Samsung Galaxy J7 Duo (SM-J720M)
Side by side comparison between Asus Zenfone AR vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
AMOLED
AMOLED
1440x2560
23
MP
MP
8mp
8GB
RAM
RAM
Quad-core
3300
mAh
mAh
(Non removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
What's the better phone? Asus Zenfone AR (ZS571KL 256GB)
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 
8 Advantages | 24 Common items in both devices |
| Super AMOLED |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| (front) 8MP |
| (front) 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 | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Model | Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) |
| Other model names | Asus Zenfone AR ZS571KL (256GB+8GB RAM) A002A, A002 | Galaxy J7 Duo J720M Single-Sim, Samsung J720 |
| Country or region available |  (Global, International) |  (Latin America) |
| Brand | Asus | Samsung |
| Release date | 5/1/2017, Announced: 1/9/2017 | 4/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 77.4 x 158.7 millimeters (3.05 x 6.25 in) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) |
| Weight | 170 grams (5.95 ounces) | 174 grams (6.09 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.7" inches | 5.5" inches |
| Screen-to-body ratio | ~72.9% (screen-to-body ratio) | ~70.4% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels (16:9) | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 515 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| System version | Android 7.0 Nougat | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | ZenUI 3.0 | One UI 2.0 |
⚙️ Processor | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Chipset | 64bit: Qualcomm Snapdragon 821 MSM8996 (14nm) | 64bit: Samsung Exynos 7885 (14nm) |
| CPU | Quad-core, 2 processors: 2x 2.35GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 530 650Mhz | ARM Mali-G71 MP2 |
| Performance (benchmark) | feature not registered | AnTuTu: 98104 (v7) |
💽 Memory and storage | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| RAM memory | 8GB LPDDR4 | 3GB LPDDR4 |
| Internal storage | 256GB (238GB available) UFS 2.0 | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 600/75 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 | Global version: UMTS 800/850/900/1900/2100 America version: UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (Bands 38, 40, 41) America version: LTE (Bands 1, 2, 3, 4, 5, 7, 12, 13, 20, 29) | LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Back camera (main camera) | 23 megapixels | (dual camera) 13 megapixels 5MP depth f/1.9 |
| Main camera resolution | 5536x4152 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash on both cameras |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/2.6" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): 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 | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | Motion tracking sensors | feature not registered |
📸 Front camera | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Front camera (secondary) | 8 megapixels | 8 megapixels |
| Front camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Loudspeaker | Mono sound (not stereo) Hi-Res audio | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| USB | USB 2.0 Type-C, 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 | 5.0 + A2DP/LE |
| 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 | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3300 mAh | 3000 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| 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 • Tango and Daydream by Google | • Colors: Black, Gold, Rose Gold, White • Samsung Pay |
☢️ Radiation rate | ||
| Asus Zenfone AR (ZS571KL 256GB) | Galaxy J7 Duo (SM-J720M) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.97W/kg (head), 0.55W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |