Xiaomi Mi A3 (64GB) vs Samsung Galaxy J3 Aura (SM-J337R4)
Side by side comparison between Xiaomi Mi A3 vs Samsung Galaxy J3 Aura phones, differences, pros, cons and full specifications. What's the better?
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6.088"
AMOLED
AMOLED
720x1560
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4030
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Mi A3 (64GB)
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!
26 Advantages 
3 Advantages | 22 Common items in both devices |
| Until 512GB microSD, microSDXC |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| +15 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 | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Model | Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) |
| Other model names | Xiaomi Mi A3 (Android One), M1906F9SH, M1906F9SI | Galaxy J3 2018 (US Cellular) SM-J337RZKAUSC |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 7/24/2019, Announced: 7/17/2019 | 5/1/2018 |
| Depth | 8.5 millimeters (0.33 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 71.85 x 153.48 millimeters (2.83 x 6.04 in) | 70.2 x 142.8 millimeters (2.76 x 5.62 in) |
| Weight | 174 grams (6.09 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.088" inches | 5" inches |
| Screen-to-body ratio | ~82.5% (screen-to-body ratio) | ~68.8% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 282 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| System version | Android 9.0 Pie | Android 8.0 Oreo |
| Firmware update | Android 11 | feature not registered |
| User Interface | Android One | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Chipset | 64bit: Qualcomm Snapdragon 665 (SM6125) (11nm) | 64bit: Samsung Exynos 7570 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 610 | ARM Mali-T720 MP1 (830MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| RAM memory | 4GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 64GB (49GB available) UFS 2.1 | 16GB (9GB available) eMMC 5.0 |
| External storage | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 450/50 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 | CDMA2000 1xEV-DO UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE | LTE Cat4 (Bands 2, 4, 5, 12, 25) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP depth f/2.4 | 8 megapixels |
| Main camera resolution | 8000x6000 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | 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 on both cameras | HDR photo only main camera |
| Camera extras | 1080p@120fps | feature not registered |
📸 Front camera | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Front camera (secondary) | 32 megapixels | 5 megapixels |
| Front camera resolution | 6528x4896 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, 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 | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| 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 | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4030 mAh | 2600 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 29 hours (1.2 days) |
| Standby | feature not registered | 228 hours (9.5 days) |
➕ Other features | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| 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: Gray, White, Blue | • Colors: Black |
☢️ Radiation rate | ||
| Xiaomi Mi A3 (64GB) | Galaxy J3 Aura (SM-J337R4) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.93W/kg (head), 1.56W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |