Xiaomi Poco X3 Pro (Global 256GB) vs Samsung Galaxy J3 Aura (SM-J337R4)
Side by side comparison between Xiaomi Poco X3 Pro vs Samsung Galaxy J3 Aura phones, differences, pros, cons and full specifications. What's the better?
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6.67"
IPS
IPS
1080x2400
48
MP
MP
20mp
8GB
RAM
RAM
Octa-core
5160
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Poco X3 Pro (Global 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!
26 Advantages 
3 Advantages | 20 Common items in both devices |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| +13 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 Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Model | Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) |
| Other model names | POCO X3 Pro M2102J20SG NFC (256GB+8GB RAM) | Galaxy J3 2018 (US Cellular) SM-J337RZKAUSC |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 3/24/2021, Announced: 3/22/2021 | 5/1/2018 |
| Depth | 9.4 millimeters (0.37 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) | 70.2 x 142.8 millimeters (2.76 x 5.62 in) |
| Weight | 215 grams (7.53 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 6.67" inches | 5" inches |
| Screen-to-body ratio | ~84.6% (screen-to-body ratio) | ~68.8% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 450nits[typ] HDR10 | feature not registered |
🤖 Operating System | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| System version | Android 11 | Android 8.0 Oreo |
| Firmware update | Android 13 | feature not registered |
| User Interface | MIUI 12.5 / 13 / 14 | feature not registered |
⚙️ Processor | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Chipset | 64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm) | 64bit: Samsung Exynos 7570 (14nm) |
| CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 Gold (Single-core) 3x 2.42GHz Kryo 485 Gold (Triple-core) 4x 1.78GHz Kryo 485 Silver (Quad-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (250-672MHz) | ARM Mali-T720 MP1 (830MHz) |
| Performance (benchmark) | AnTuTu: 483527 (v8) Geekbench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| RAM memory | 8GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 256GB (230GB available) UFS 3.1 | 16GB (9GB available) eMMC 5.0 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Poco X3 Pro (Global 256GB) | 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 | 800/150 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 Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | 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 | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.2119°1.0µm 2MP macro f/2.4 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 | Dual-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@960fps | feature not registered |
📸 Front camera | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Front camera (secondary) | 20 megapixels | 5 megapixels |
| Front camera resolution | 5184x3840 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.4" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Loudspeaker | Stereo sound with dual speakers | 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 Poco X3 Pro (Global 256GB) | 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 | USB Type-C (reversible) | 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, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5160 mAh | 2600 mAh |
| Charger, watts | 33W Wired fast charging | 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 Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| 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: Phantom Black, Frost Blue, Metal Bronze • Silicone Case included • Cooling up to 6 °C • LiquidCool 1.0 Plus | • Colors: Black |
☢️ Radiation rate | ||
| Xiaomi Poco X3 Pro (Global 256GB) | Galaxy J3 Aura (SM-J337R4) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.99W/kg (head), 0.67W/kg (body) | 0.93W/kg (head), 1.56W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.57W/kg (head), 0.9W/kg (body) | feature not registered |