Samsung Galaxy J7 Duo (SM-J720M) vs Asus Zenfone 9 (128GB/6GB)
Side by side comparison between Samsung Galaxy J7 Duo vs Asus Zenfone 9 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
5.9"
AMOLED
AMOLED
1080x2400
50
MP
MP
12mp
6GB
RAM
RAM
Octa-core
4300
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 9 (128GB/6GB)
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!
6 Advantages 
33 Advantages | 15 Common items in both devices |
| Super AMOLED |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| f/1.9 (aperture) |
| Capacitive |
| Multitouch |
| +8 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) | Asus Zenfone 9 (128GB/6GB) | |
| Model | Galaxy J7 Duo (SM-J720M) | Zenfone 9 (128GB/6GB) |
| Other model names | Galaxy J7 Duo J720M Single-Sim, Samsung J720 | Zenfone 9z AI2202-1A028BR, AI2202-1A006EU, 90AI00C3-M000X0 |
| Country or region available |  (Latin America) |  (Global, International) |
| Brand | Samsung | Asus |
| Release date | 4/1/2018 | 9/15/2022, Announced: 7/28/2022 |
| Depth | 8.2 millimeters (0.32 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) | 68.1 x 146.5 millimeters (2.68 x 5.77 in) |
| Weight | 174 grams (6.09 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.5" inches | 5.9" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 267 PPI | 446 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1100nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| System version | Android 8.0 Oreo | Android 12 |
| Firmware update | Android 10 | Android 13 |
| User Interface | One UI 2.0 | ZenUI 9 |
⚙️ Processor | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Chipset | 64bit: Samsung Exynos 7885 (14nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Octa-core, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 98104 (v7) | AnTuTu: 1083028 (v9) Geekbench: 4338 (v5.1) GFXBench: 89fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| RAM memory | 3GB LPDDR4 | 6GB LPDDR5 |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 128GB (104GB available) UFS 3.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41) | LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) B version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) C version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | Not supported | A version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) B version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78) C version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) B version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) C version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP depth f/1.9 | (dual camera) 50 megapixels 12MP ultrawide f/2.214.4mm113°1/2.93"1.4µmAF |
| Main camera resolution | 4128x3096 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | feature not registered | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60/120fps 1080p@30/60/240fps 720p@480fps |
📸 Front camera | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Front camera (secondary) | 8 megapixels | 12 megapixels |
| Front camera resolution | 3264x2448 pixels | 4000x3000 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.5 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/2.93" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound 24-bit/192kHz |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| 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, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + 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/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Sensors | Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 4300 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| Call control | Voice dialing, Voice recorder | 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: Black, Gold, Rose Gold, White • Samsung Pay | • Colors: Black, Blue, Red, Silver |
☢️ Radiation rate | ||
| Galaxy J7 Duo (SM-J720M) | Asus Zenfone 9 (128GB/6GB) | |
| 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 |