Samsung Galaxy Express 3 (SM-J120A) vs Xiaomi Poco X3 NFC (128GB)
Side by side comparison between Samsung Galaxy Express 3 vs Xiaomi Poco X3 NFC phones, differences, pros, cons and full specifications. What's the better?
,
4.5"
AMOLED
AMOLED
480x800
5
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2050
mAh
mAh
(Removable)
vs
6.67"
IPS
IPS
1080x2400
64
MP
MP
20mp
6GB
RAM
RAM
Octa-core
5160
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco X3 NFC (128GB)
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!
4 Advantages 
31 Advantages | 17 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| +10 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 Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Change model | ||
| Model | Galaxy Express 3 (SM-J120A) | Poco X3 NFC (128GB) |
| Other model names | AT&T Samsung Galaxy J1 4G, Galaxy Express 3 GoPhone | POCO X3 NFC M2007J20CG, M2007J20CT |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 4/1/2016 | 9/8/2020, Announced: 9/7/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 69.3 x 132.6 millimeters (2.73 x 5.22 in) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 131 grams (4.59 ounces) | 215 grams (7.53 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 4.5" inches | 6.67" inches |
| Screen-to-body ratio | ~62.7% (screen-to-body ratio) | ~84.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 207 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| System version | Android 6.0.1 Marshmallow | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | MIUI 12 / 12.5 |
⚙️ Processor | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Chipset | 32bit: Spreadtrum SC9830A (28nm) | 64bit: Qualcomm Snapdragon 732G (SM7150-AC) (8nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-400 MP2 | Qualcomm Adreno 618 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| RAM memory | 1GB | 6GB LPDDR4X |
| Internal storage | 8GB (4GB available) | 128GB (106GB available) UFS 2.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 800/150 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12) | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Back camera (main camera) | 5 megapixels | (quad camera) 64 megapixels 13MP ultrawide f/2.2119°1.0µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 2592x1944 pixels | 10120x6328 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection 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 only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Front camera (secondary) | 2 megapixels | 20 megapixels |
| Front camera resolution | 1600x1200 pixels | 5184x3840 pixels |
| Video recording (secondary) | VGA (640x480) | 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 | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| 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 | 4.0 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Sensors | Accelerometer Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2050 mAh | 5160 mAh |
| Charger, watts | Wired charging | 33W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 12 hours | feature not registered |
| Standby | 240 hours (10 days) | feature not registered |
➕ Other features | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| 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: White | • Colors: Cobalt Blue, Shadow Gray • Silicone Case included • Screen protector included • LiquidCool 1.0 heat pipe • Google Pay |
☢️ Radiation rate | ||
| Galaxy Express 3 (SM-J120A) | Xiaomi Poco X3 NFC (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.99W/kg (head), 1.25W/kg (body) | 0.77W/kg (head), 0.61W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 1.03W/kg (head), 0.439W/kg (body) | 0.56W/kg (head), 0.99W/kg (body) |