Samsung Galaxy Sol (SM-J321AZ) vs Xiaomi Redmi K30S (128GB)
Side by side comparison between Samsung Galaxy Sol vs Xiaomi Redmi K30S phones, differences, pros, cons and full specifications. What's the better?
,
5"
AMOLED
AMOLED
720x1280
5
MP
MP
2mp
1.5GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Removable)
vs
6.67"
IPS
IPS
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
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!
7 Advantages 
25 Advantages | 14 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| Capacitive |
| Multitouch |
| +7 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 Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Change model | ||
| Model | Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) |
| Other model names | Cricket Samsung Galaxy Sol 4G J321AZ | Xiaomi Redmi K30S 5G M2007J3SC |
| Country or region available |  USA |  China |
| Brand | Samsung | Xiaomi |
| Release date | 6/1/2016 | 10/27/2020 |
| Depth | 7.9 millimeters (0.31 inches) | 9.33 millimeters (0.37 inches) |
| Size (width x height) | 71.12 x 142.3 millimeters (2.8 x 5.6 in) | 76.4 x 165.1 millimeters (3.01 x 6.5 in) |
| Weight | 138 grams (4.83 ounces) | 216 grams (7.56 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 5" inches | 6.67" inches |
| Screen-to-body ratio | ~68.1% (screen-to-body ratio) | ~85.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 5-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Dragontrail Glass | Gorilla Glass 5 |
| Refresh rate | feature not registered | 144Hz |
| Display features | feature not registered | 500nits[typ] HDR10 |
🤖 Operating System | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| System version | Android 6.0.1 Marshmallow | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Chipset | 32bit: Samsung Exynos 3 Quad 3475 (28nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | 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) |
| GPU graphical controller | ARM Mali-T720 600Mhz | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| RAM memory | 1.5GB LPDDR3 | 8GB LPDDR5 |
| Internal storage | 16GB (10GB available) | 128GB (106GB available) UFS 3.1 |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 2000/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 41, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Back camera (main camera) | 5 megapixels | (triple camera) 64 megapixels 13MP ultrawide f/2.4123°1.12µm 5MP macro f/2.4AF |
| Main camera resolution | 2592x1944 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| 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 Sol (SM-J321AZ) | Redmi K30S (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 | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, MKV, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.1 + A2DP | 5.1 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2600 mAh | 5000 mAh |
| Charger, watts | Wired charging | 33W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 22 hours | feature not registered |
| Standby | 240 hours (10 days) | feature not registered |
➕ Other features | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (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: Gold | • Colors: Cosmic Black, Lunar Silver • MIUI 12 • Silicone Case included • Screen protector included • Dual stereo speakers • 24-bit/192kHz audio • Mi Pay |
☢️ Radiation rate | ||
| Galaxy Sol (SM-J321AZ) | Redmi K30S (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.75W/kg (head), 1.56W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.588W/kg (head), 0.42W/kg (body) | feature not registered |