Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB) vs Xiaomi Redmi 7A (12MP 32GB)
Side by side comparison between Samsung Galaxy A21s vs Xiaomi Redmi 7A phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.45"
IPS
IPS
720x1440
12
MP
MP
5mp
2GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
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!
21 Advantages 
5 Advantages | 29 Common items in both devices |
| eMMC 5.1 |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +22 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/4GB) | Redmi 7A (12MP 32GB) | |
| Model | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) |
| Other model names | Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 4GB RAM) | Redmi 7A (Global) M1903C3EG, M1903C3EH, M1903C3EI, MZB7813EU |
| Country or region available |       (Europe), Spain, Greece, Israel, Portugal, Taiwan |   (Europe), (Global, International), India |
| Brand | Samsung | Xiaomi |
| Release date | 6/2/2020, Announced: 5/15/2020 | 7/1/2019 |
| Depth | 8.9 millimeters (0.35 inches) | 9.55 millimeters (0.38 inches) |
| Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 70.41 x 146.3 millimeters (2.77 x 5.76 in) |
| Weight | 192 grams (6.72 ounces) | 165 grams (5.78 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Display type | TFT PLS | TFT IPS LCD |
| Screen size | 6.5" inches | 5.45" inches |
| Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~74.4% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 720x1440 pixels (18:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| System version | Android 10 | Android 9.0 Pie |
| Firmware update | Android 12 | Android 10 |
| User Interface | One UI 2.0 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | 64bit: Qualcomm Snapdragon 439 SDM439 (12nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A53 (Dual-core) 6x 1.45GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | ARM Mali-G52 MP1 | Qualcomm Adreno 505 650Mhz |
| Performance (benchmark) | AnTuTu: 124232 (v8) | feature not registered |
💽 Memory and storage | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| RAM memory | 4GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 64GB (48GB available) eMMC 5.1 | 32GB (21GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/150 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | 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 Cat4 VoLTE M1903C3EG, MZB7813EU (Global version): LTE (1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (38, 40) M1903C3EI, MZB7989IN, MZB7800IN, MZB8008IN, M1903C3EH (India, APAC version): LTE (1, 3, 5, 8) TD-LTE (40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| 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, UMTS, HSUPA, HSPA+ |
📷 Camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| 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 | 12 megapixels |
| Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2" inches | 1/2.9" inches |
| Pixel size | 0.8µm pixel | 1.25µm pixel |
| Autofocus | PDAF: phase detection 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 on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2560x1920 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 | feature not registered |
| Sensor size | 1/3.1" inches | 1/5" inches |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | 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 | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| USB | USB 2.0 Type-C reversible connector | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Sensors | Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4000 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging | 5W (5V/1A) Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | 456 hours (19 days) |
➕ Other features | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| 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: Black, White, Blue, Red | • Colors: Black, Blue, Gold • MIUI 12 • Sony IMX486 back camera sensor • WiFi Display • 10W fast charge support, but includes normal 5W charger* |
☢️ Radiation rate | ||
| Galaxy A21s (SM-A217F/DSN 64GB/4GB) | Redmi 7A (12MP 32GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1W/kg (head), 1.12W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head), 1.544W/kg (body) | 0.56W/kg (head), 1.17W/kg (body) |