Xiaomi Poco F4 (256GB/12GB) vs Samsung Galaxy Express 3 (SM-J120A)
Side by side comparison between Xiaomi Poco F4 vs Samsung Galaxy Express 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
4.5"
AMOLED
AMOLED
480x800
5
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2050
mAh
mAh
(Removable)
What's the better phone? Xiaomi Poco F4 (256GB/12GB)
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!
34 Advantages 
6 Advantages | 13 Common items in both devices |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Proximity sensor |
| +6 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 F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Model | Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) |
| Other model names | POCO F4 5G (256GB+12GB RAM) | AT&T Samsung Galaxy J1 4G, Galaxy Express 3 GoPhone |
| Country or region available |  India |  USA |
| Brand | Xiaomi | Samsung |
| Release date | 6/27/2022, Announced: 6/23/2022 | 4/1/2016 |
| Depth | 7.7 millimeters (0.3 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 75.95 x 163.2 millimeters (2.99 x 6.43 in) | 69.3 x 132.6 millimeters (2.73 x 5.22 in) |
| Weight | 195 grams (6.83 ounces) | 131 grams (4.59 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP53 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.67" inches | 4.5" inches |
| Screen-to-body ratio | ~86.7% (screen-to-body ratio) | ~62.7% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 207 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 900nits[typ], 1300nits[peak] Dolby Vision/HDR10+ 100% DCI-P3 | feature not registered |
🤖 Operating System | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| System version | Android 12 | Android 6.0.1 Marshmallow |
| Firmware update | Android 13 | feature not registered |
| User Interface | MIUI 13 / 14 | feature not registered |
⚙️ Processor | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Chipset | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) | 32bit: Spreadtrum SC9830A (28nm) |
| CPU | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 650 (670MHz) | ARM Mali-400 MP2 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| RAM memory | 12GB LPDDR5 | 1GB |
| Internal storage | 256GB (218GB available) UFS 3.1 | 8GB (4GB available) |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) India version: LTE (1, 3, 5, 8) TD-LTE (40, 41) | LTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12) |
| Primary 5G network | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) India version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, 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 Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (38, 40, 41) India version: LTE (1, 3, 5, 8) TD-LTE (40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2119°1/4"1.12µm 2MP macro f/2.4 | 5 megapixels |
| Main camera resolution | 10120x6328 pixels | 2592x1944 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | 1080p@60fps | feature not registered |
📸 Front camera | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Front camera (secondary) | 20 megapixels | 2 megapixels |
| Front camera resolution | 5184x3840 pixels | 1600x1200 pixels |
| Video recording (secondary) | Full HD (1920x1080) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (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, QZSS, NavIC | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 2050 mAh |
| Charger, watts | 67W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 12 hours |
| Standby | feature not registered | 240 hours (10 days) |
➕ Other features | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| 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: Moonlight Silver, Night Black, Nebula Green | • Colors: White |
☢️ Radiation rate | ||
| Xiaomi Poco F4 (256GB/12GB) | Galaxy Express 3 (SM-J120A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.99W/kg (head), 1.25W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.03W/kg (head), 0.439W/kg (body) |