Xiaomi Redmi K30S (128GB) vs Samsung Duos B5722
Side by side comparison between Xiaomi Redmi K30S vs Samsung Duos B5722 phones, differences, pros, cons and full specifications. What's the better?
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6.67"
IPS
IPS
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Redmi K30S (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!
27 Advantages 
4 Advantages | 6 Common items in both devices |
| LED flash |
| Capacitive |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| USB 2.0 Type-C, USB OTG On-The-Go / USB 2.0 proprietary connector |
| + 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 K30S (128GB) | Samsung Duos B5722 | |
| Model | Redmi K30S (128GB) | Duos B5722 |
| Other model names | Xiaomi Redmi K30S 5G M2007J3SC | Samsung B5722 Duos, GT-B5722, GT-B5722C |
| Country or region available |  China | feature not registered |
| Brand | Xiaomi | Samsung |
| Release date | 10/27/2020 | 12/1/2009 |
| Depth | 9.33 millimeters (0.37 inches) | 14.4 millimeters (0.57 inches) |
| Size (width x height) | 76.4 x 165.1 millimeters (3.01 x 6.5 in) | 54.9 x 104 millimeters (2.16 x 4.09 in) |
| Weight | 216 grams (7.56 ounces) | 105 grams (3.68 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.67" inches | 2.8" inches |
| Screen-to-body ratio | ~85.2% (screen-to-body ratio) | ~42.5% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 240x320 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Single touch 1-point |
| Pixel density (dot pitch) | 395 PPI | 143 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 144Hz | feature not registered |
| Display features | 500nits[typ] HDR10 | feature not registered |
🤖 Operating System | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| System version | Android 10 | Proprietary OS |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Chipset | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) | 32bit |
| 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) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 650 (250-587MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| RAM memory | 8GB LPDDR5 | feature not registered |
| Internal storage | 128GB (106GB available) UFS 3.1 | 30MB |
| External storage | Not supported | Until 8GB microSD (dedicated slot) |
📶 Mobile networks | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/150 Mbps | 0.236 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G |
| 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 850/900/1700/1900/2100 | Not supported |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 38, 39, 40, 41) VoLTE | Not supported |
| Primary 5G network | SA/NSA (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 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS |
📷 Camera | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Back camera (main camera) | (triple camera) 64 megapixels 13MP ultrawide f/2.4123°1.12µm 5MP macro f/2.4AF | 3.1 megapixels |
| Main camera resolution | 10120x6328 pixels | 2048x1536 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | QVGA (320x240) 15 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.73" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | feature not registered |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | feature not registered |
| BSI sensor | Not supported | feature not registered |
| HDR | HDR photo on both cameras | feature not registered |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Front camera (secondary) | 20 megapixels | Not supported |
| Front camera resolution | 5184x3840 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| 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 K30S (128GB) | Samsung Duos B5722 | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| 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 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 proprietary connector |
| Audio output | Type-C jack with 3.5mm jack adapter | proprietary audio output |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | Not supported |
| DLNA | Not supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Supported | feature not registered |
🧭 Sensors | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1200 mAh |
| Charger, watts | 33W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 4.5 hours |
| Standby | feature not registered | 400 hours (16.7 days) |
➕ Other features | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Cosmic Black, Lunar Silver • MIUI 12 • Silicone Case included • Screen protector included • Dual stereo speakers • 24-bit/192kHz audio • Mi Pay | • Colors: Black, Dark Brown, Elegant Pink • Samsung TouchWiz Lite v1.0 • DNSe (Digital Natural Sound Engine) • Java framework |
☢️ Radiation rate | ||
| Redmi K30S (128GB) | Samsung Duos B5722 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.77W/kg (head), 0.69W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.685W/kg (head) |