Samsung Galaxy M21s (SM-F415F/DS) vs Xiaomi Redmi K30 Pro Zoom (256GB)
Side by side comparison between Samsung Galaxy M21s vs Xiaomi Redmi K30 Pro Zoom phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
4GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4700
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi K30 Pro Zoom (256GB)
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!
8 Advantages 
20 Advantages | 22 Common items in both devices |
| 8.9 millimeters (0.35 inches) |
| Super AMOLED |
| 16 million |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| 1/1.72" inches |
| (front) Full HD (1920x1080) |
| +15 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 M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Change model | ||
| Model | Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) |
| Other model names | Galaxy M21s SM-F415F/Dual-Sim (4GB RAM) | Xiaomi Redmi K30 Pro Zoom 5G (256GB + 8GB RAM) |
| Country or region available |   (Latin America), Brazil |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 11/6/2020 | 4/4/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 75.1 x 159.2 millimeters (2.96 x 6.27 in) | 75.4 x 163.3 millimeters (2.97 x 6.43 in) |
| Weight | 191 grams (6.69 ounces) | 218 grams (7.63 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.4" inches | 6.67" inches |
| Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 420nits[peak] | feature not registered |
🤖 Operating System | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 12 | feature not registered |
| User Interface | One UI 2.5 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (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-G72 MP3 (850MHz) | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| RAM memory | 4GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 64GB (49GB available) UFS 2.1 | 256GB (230GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 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 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat20 (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA (Bands 1, 3, 41, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2123°12mm1/4"1.12µm 5MP depth f/2.2 | (quad camera) 64 megapixels 8MP telephoto PDAFOIS3x-optical-zoom 13MP ultrawide 13mm 2MP depth |
| Main camera resolution | 10120x6328 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.72" inches | 1/1.72" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical 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 on both cameras |
| Camera extras | 4K@30fps 1080p@30fps | feature not registered |
📸 Front camera | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Front camera (secondary) | 32 megapixels | 20 megapixels |
| Front camera resolution | 6528x4896 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | 1/2.8" inches | 1/3.4" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Loudspeaker | Mono sound (not stereo) | 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.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 4700 mAh |
| Charger, watts | 15W Wired fast charging | 33W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 48 hours (2 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Black, Blue | • 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 |
☢️ Radiation rate | ||
| Galaxy M21s (SM-F415F/DS) | Redmi K30 Pro Zoom (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.383W/kg (head) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |