Samsung Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) vs Google Pixel 3a (G020F)
Side by side comparison between Samsung Galaxy J7 Duo vs Google Pixel 3a phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
vs
5.6"
OLED
OLED
1080x2220
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Google Pixel 3a (G020F)
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!
9 Advantages 
19 Advantages | 24 Common items in both devices |
| 4GB LPDDR4 / 4GB LPDDR4X |
| eMMC 5.1 |
| 8.2 millimeters (0.32 inches) |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| Only digital zoom |
| +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-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Model | Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Pixel 3a (G020F) |
| Other model names | Galaxy J7 Duo (32GB + 4GB RAM) Dual-Sim, Samsung J720 | Google Pixel 3a G020F |
| Country or region available |  India |    (Europe), (Global, International), India, Singapore |
| Brand | Samsung | |
| Release date | 4/1/2018 | 5/19/2019, Announced: 5/7/2019 |
| Depth | 8.2 millimeters (0.32 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) | 70.1 x 151.3 millimeters (2.76 x 5.96 in) |
| Weight | 174 grams (6.09 ounces) | 147 grams (5.15 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Display type | Super AMOLED | OLED |
| Screen size | 5.5" inches | 5.6" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~75% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1080x2220 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 267 PPI | 441 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Dragontrail Glass |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Always-On Display |
🤖 Operating System | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| System version | Android 8.0 Oreo | Android 9.0 Pie |
| Firmware update | Android 10 | Android 12 |
| User Interface | One UI 2.0 | feature not registered |
⚙️ Processor | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Chipset | 64bit: Samsung Exynos 7885 (14nm) | 64bit: Qualcomm Snapdragon 670 (SDM670) (10nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Octa-core, 2 processors: 2x 2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | Qualcomm Adreno 615 |
| Performance (benchmark) | AnTuTu: 98104 (v7) | feature not registered |
💽 Memory and storage | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| RAM memory | 4GB LPDDR4 | 4GB LPDDR4X |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 64GB (50GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 150/50 Mbps | 600/75 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 850/900/1900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) | LTE Cat11/5 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 32, 66) TD-LTE (38, 40, 41) VoLTE |
| 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Back camera (main camera) | (dual camera) 13 megapixels 5MP depth f/1.9 | 12.2 megapixels |
| Main camera resolution | 4128x3096 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | Dual-LED flash |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 28mm lens |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm 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 on both cameras |
| Camera extras | feature not registered | 1080p@120fps |
📸 Front camera | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| 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 | LED | Not supported |
| Focal aperture | f/1.9 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 24mm lens |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound |
| 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-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| 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 | 5.0 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Sensors | Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3000 mAh |
| Charger, watts | Wired charging | 18W (9V/2A) Wired fast charging USB Power Delivery 2.0 |
| 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-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| 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: Just Black, Clearly White, Purple-ish |
☢️ Radiation rate | ||
| Galaxy J7 Duo (SM-J720F/DS 32GB/4GB) | Google Pixel 3a (G020F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.18W/kg (head), 0.87W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.543W/kg (head), 1.397W/kg (body) | 0.72W/kg (head), 0.81W/kg (body) |