Xiaomi Redmi K30 Pro (128GB/6GB) vs Samsung Galaxy J7 Duo (SM-J720F)
Side by side comparison between Xiaomi Redmi K30 Pro vs Samsung Galaxy J7 Duo phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
6GB
RAM
RAM
Octa-core
4700
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 Redmi K30 Pro (128GB/6GB)
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!
24 Advantages 
7 Advantages | 19 Common items in both devices |
| Super AMOLED |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| f/1.9 (aperture) |
| (front) Full HD (1920x1080) |
| +12 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 | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Model | Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) |
| Other model names | Xiaomi Redmi K30 Pro 5G (128GB + 6GB RAM) | Galaxy J7 Duo J720F Single-Sim, Samsung J720 |
| Country or region available |  (Global, International) |   South Africa, United Arab Emirates |
| Brand | Xiaomi | Samsung |
| Release date | 3/27/2020 | 4/1/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 75.4 x 163.3 millimeters (2.97 x 6.43 in) | 77.2 x 153.5 millimeters (3.04 x 6.04 in) |
| Weight | 218 grams (7.63 ounces) | 174 grams (6.09 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.67" inches | 5.5" inches |
| Screen-to-body ratio | ~87.2% (screen-to-body ratio) | ~70.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels | 720x1280 pixels (16:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| System version | Android 10 | Android 8.0 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | One UI 2.0 |
⚙️ Processor | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Chipset | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) | 64bit: Samsung Exynos 7885 (14nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (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 | Qualcomm Adreno 650 (250-587MHz) | ARM Mali-G71 MP2 |
| Performance (benchmark) | feature not registered | AnTuTu: 98104 (v7) |
💽 Memory and storage | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| RAM memory | 6GB LPDDR4X | 3GB LPDDR4 |
| Internal storage | 128GB (107GB available) UFS 3.0 | 32GB (21GB available) eMMC 5.1 |
| External storage | Not supported | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| 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 | 2000/150 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat20 (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) |
| Primary 5G network | SA/NSA (Bands 1, 3, 41, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Back camera (main camera) | (quad camera) 64 megapixels 5MP telephoto macro 50mmAF 13MP ultrawide 13mm 2MP depth | (dual camera) 13 megapixels 5MP depth f/1.9 |
| Main camera resolution | 10120x6328 pixels | 4128x3096 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash on both cameras |
| Focal aperture | f/1.9 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | 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 | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Front camera (secondary) | 20 megapixels | 8 megapixels |
| Front camera resolution | 5184x3840 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.2 (aperture) | f/1.9 (aperture) |
| Focal length | 27mm lens | feature not registered |
| Sensor size | 1/3.4" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Loudspeaker | Supported | 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 | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| 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 | 5.1 + 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 | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4700 mAh | 3000 mAh |
| Charger, watts | 33W Wired fast charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| 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: Grey, Purple, White, Blue • Display: 20:9, HDR10+, DCI-P3 100% • MIUI 11 • Motorized pop-up front camera • 24-bit/192kHz audio • Quick Charge 4+ • USB Power Delivery | • Colors: Black, Gold, Rose Gold, White • Samsung Pay |
☢️ Radiation rate | ||
| Redmi K30 Pro (128GB/6GB) | Galaxy J7 Duo (SM-J720F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.543W/kg (head), 1.397W/kg (body) |