Samsung Galaxy J7 Duo (SM-J720M) vs Apple iPhone Air (512GB)
Side by side comparison between Samsung Galaxy J7 Duo vs Apple iPhone Air 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
6.5"
OLED
OLED
1260x2736
48
MP
MP
18mp
12GB
RAM
RAM
Hexa-core
3149
mAh
mAh
(Non removable)
What's the better phone? Apple iPhone Air (512GB)
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!
8 Advantages 
39 Advantages | 14 Common items in both devices |
| Super AMOLED / LTPO Super Retina XDR OLED |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| Proximity sensor |
| +7 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) | iPhone Air (512GB) | |
| Model | Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) |
| Other model names | Galaxy J7 Duo J720M Single-Sim, Samsung J720 | iPhone 17 Air (A3260, A3517, A3518) |
| Country or region available |  (Latin America) |  (Global, International) |
| Brand | Samsung | Apple |
| Release date | 4/1/2018 | 9/19/2025, Announced: 9/9/2025 |
| Depth | 8.2 millimeters (0.32 inches) | 5.6 millimeters (0.22 inches) |
| Size (width x height) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) | 74.7 x 156.2 millimeters (2.94 x 6.15 in) |
| Weight | 174 grams (6.09 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body, glass front | Titanium frame, glass front and back Back: Ceramic Shield |
| 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) | iPhone Air (512GB) | |
| Display type | Super AMOLED | LTPO Super Retina XDR OLED |
| Screen size | 5.5" inches | 6.5" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~88.8% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1260x2736 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 463 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Not supported | Ceramic Shield 2 |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1000nits[typ], 3000nits[peak] Dolby Vision/HDR10 Always-On Display Oleophobic coating screen True-tone Wide color gamut |
🤖 Operating System | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| System version | Android 8.0 Oreo | iOS 26 |
| Firmware update | Android 10 | feature not registered |
| User Interface | One UI 2.0 | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| Chipset | 64bit: Samsung Exynos 7885 (14nm) | 64bit: Apple A19 Pro (3nm) |
| 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 4.26GHz P-Core (Dual-core) 4x 2.2GHz E-Core (Quad-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | A19 Pro GPU (5-core) |
| Performance (benchmark) | AnTuTu: 98104 (v7) | AnTuTu: 2000993 (v10) Geekbench: 9682 (v6.5) |
💽 Memory and storage | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| RAM memory | 3GB LPDDR4 | 12GB LPDDR5X |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 512GB (482GB available) NVMe (SSD) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | e-SIM (Eletronic) |
| Maximum Download / Upload | 150/50 Mbps | 5000/1024 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 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 A3517 (International): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 53, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3260 (USA): LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 53, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) A3518 (Canada, Mexico, EMEA): LTE (1, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 53, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) |
| Primary 5G network | Not supported | A3517 (International): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79) A3260 (USA): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79) A3518 (Canada, Mexico, EMEA): SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP depth f/1.9 | 48 megapixels |
| Main camera resolution | 4128x3096 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash on both cameras | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.6 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.56" inches |
| Pixel size | feature not registered | 1µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization on both cameras |
| 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@24/25/30/60fps 1080p@25/30/60/120/240fps Dolby Vision (60fps) |
📸 Front camera | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| Front camera (secondary) | 8 megapixels | (dual front camera) 18 megapixels 0.3MP SL 3D |
| Front camera resolution | 3264x2448 pixels | 5184x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | f/1.9 (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 |
🔉 Sound and multimedia | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| Loudspeaker | Mono sound (not stereo) | Mono sound (not stereo) Dolby Atmos Spatial Audio 3D |
| Active noise cancellation | Not supported | 2 microphones |
| 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) | iPhone Air (512GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 6.0 + 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/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi hotspot |
| DLNA | Not supported | Not 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) | iPhone Air (512GB) | |
| Sensors | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 3D Gyroscope Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3149 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging 4.5W Reverse charging by cable USB Power Delivery 2.0 |
| Inductive / wireless charging | Not supported | 25W Qi2 wireless charging |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| 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: Space Black, Cloud White, Light Gold, Sky Blue Apple Intelligence • Apple Pay • Face ID • MagSafe |
☢️ Radiation rate | ||
| Galaxy J7 Duo (SM-J720M) | iPhone Air (512GB) | |
| 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 |