Xiaomi Poco X4 GT (128GB) vs Samsung Galaxy J7 Duo (SM-J720M/DS)
Side by side comparison between Xiaomi Poco X4 GT vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?
,
6.6"
IPS
IPS
1080x2460
64
MP
MP
16mp
8GB
RAM
RAM
Octa-core
5080
mAh
mAh
(Non removable)
vs
5.5"
AMOLED
AMOLED
720x1280
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Removable)
What's the better phone? Xiaomi Poco X4 GT (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!
28 Advantages 
8 Advantages | 21 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| f/1.9 (aperture) |
| (front) Full HD (1920x1080) |
| +14 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 X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Model | Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) |
| Other model names | POCO X4 GT 5G (8GB RAM) | Galaxy J7 Duo J720M/Dual-Sim, Samsung J720 |
| Country or region available |  (Global, International) |   (Latin America), Brazil |
| Brand | Xiaomi | Samsung |
| Release date | 6/27/2022, Announced: 6/23/2022 | 4/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 74.29 x 163.64 millimeters (2.92 x 6.44 in) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) |
| Weight | 200 grams (7 ounces) | 174 grams (6.09 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.6" inches | 5.5" inches |
| Screen-to-body ratio | ~85.1% (screen-to-body ratio) | ~70.4% (screen-to-body ratio) |
| Display resolution | 1080x2460 pixels (20.5:9) | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 407 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 144Hz | 60Hz |
| Display features | 500nits[typ] Dolby Vision/HDR10 DCI-P3 | Not supported |
🤖 Operating System | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| System version | Android 12 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | MIUI 13 | One UI 2.0 |
⚙️ Processor | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Chipset | 64bit: MediaTek Dimensity 8100 (5nm) | 64bit: Samsung Exynos 7885 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.85GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-G610 MC6 | ARM Mali-G71 MP2 |
| Performance (benchmark) | feature not registered | AnTuTu: 98104 (v7) |
💽 Memory and storage | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| RAM memory | 8GB LPDDR5 | 3GB LPDDR4 |
| Internal storage | 128GB (101GB available) UFS 3.1 | 32GB (21GB available) eMMC 5.1 |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE | LTE Cat4 (1, 3, 4, 5, 7, 8, 12, 13, 17, 28, 66) TD-LTE (38, 40, 41) |
| 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+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 2MP macro f/2.41.75µm | (dual camera) 13 megapixels 5MP depth f/1.9 |
| Main camera resolution | 10120x6328 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash on both cameras |
| Focal aperture | f/1.9 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.72" 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 | 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 X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Front camera (secondary) | 16 megapixels | 8 megapixels |
| Front camera resolution | 4608x3456 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.5 (aperture) | f/1.9 (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 X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | 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 X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| 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 | 5.3 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (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, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer ANT+ Face unlock 2D Fingerprint sensor (front-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5080 mAh | 3000 mAh |
| Charger, watts | 67W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| 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: Black, Blue, Silver • LiquidCool Technology 2.0 | • Colors: Black, Gold, Rose Gold, White • Samsung Pay |
☢️ Radiation rate | ||
| Xiaomi Poco X4 GT (128GB) | Galaxy J7 Duo (SM-J720M/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.97W/kg (head), 0.55W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |