Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB) vs Xiaomi Redmi K30 Pro Zoom (256GB)
Side by side comparison between Samsung Galaxy A21s vs Xiaomi Redmi K30 Pro Zoom phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
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!
5 Advantages 
25 Advantages | 20 Common items in both devices |
| 8.9 millimeters (0.35 inches) |
| 16 million |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| +13 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 A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Model | Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) |
| Other model names | Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM) | Xiaomi Redmi K30 Pro Zoom 5G (256GB + 8GB RAM) |
| Country or region available |  Hong Kong |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 6/2/2020, Announced: 5/15/2020 | 4/4/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 75.4 x 163.3 millimeters (2.97 x 6.43 in) |
| Weight | 192 grams (6.72 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 A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Display type | TFT PLS | Super AMOLED |
| Screen size | 6.5" inches | 6.67" inches |
| Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x2400 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 12 | feature not registered |
| User Interface | One UI 2.0 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-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-G52 MP1 | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 64GB (48GB available) eMMC 5.1 | 256GB (230GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | 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 | 300/150 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 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | 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 850/900/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 | (quad camera) 64 megapixels 8MP telephoto PDAFOIS3x-optical-zoom 13MP ultrawide 13mm 2MP depth |
| Main camera resolution | 8000x6000 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2" 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 | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Front camera (secondary) | 13 megapixels | 20 megapixels |
| Front camera resolution | 4128x3096 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | 1/3.1" inches | 1/3.4" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | 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 A21s (SM-A217F/DSN 64GB/6GB) | 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 | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Sensors | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4700 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging | 33W Wired fast charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A21s (SM-A217F/DSN 64GB/6GB) | 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, White, Blue, Red | • 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 A21s (SM-A217F/DSN 64GB/6GB) | Redmi K30 Pro Zoom (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head), 1.544W/kg (body) | feature not registered |