Xiaomi Redmi 7 (32GB) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Side by side comparison between Xiaomi Redmi 7 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?
,
6.26"
IPS
IPS
720x1520
12
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
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!
6 Advantages 
17 Advantages | 27 Common items in both devices |
| eMMC 5.1 |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +20 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 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Model | Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) |
| Other model names | Xiaomi Redmi 7 (32GB + 3GB RAM), Xiaomi onclite | Galaxy A21s SM-A217F/Dual-Sim NFC (64GB + 4GB RAM) |
| Country or region available |  (Global, International) |       (Europe), Spain, Greece, Israel, Portugal, Taiwan |
| Brand | Xiaomi | Samsung |
| Release date | 3/1/2019 | 6/2/2020, Announced: 5/15/2020 |
| Depth | 8.47 millimeters (0.33 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 75.58 x 158.73 millimeters (2.98 x 6.25 in) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) |
| Weight | 180 grams (6.3 ounces) | 192 grams (6.72 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | P2i certified: water repellent nano-coating | Not supported |
📲 Display | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Display type | TFT IPS LCD | TFT PLS |
| Screen size | 6.26" inches | 6.5" inches |
| Screen-to-body ratio | ~81.5% (screen-to-body ratio) | ~82.8% (screen-to-body ratio) |
| Display resolution | 720x1520 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 269 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| System version | Android 9.0 Pie | Android 10 |
| Firmware update | Android 10 | Android 12 |
| User Interface | feature not registered | One UI 2.0 / 3.1 / 4.1 |
⚙️ Processor | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 632 SDM632 (14nm) | 64bit: Samsung Exynos 850 (8nm) |
| CPU | Octa-core, 2 processors: 4x 1.8GHz Kryo 250 Gold (Quad-core) 4x 1.8GHz Kryo 250 Silver (Quad-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 506 725Mhz | ARM Mali-G52 MP1 |
| Performance (benchmark) | feature not registered | AnTuTu: 124232 (v8) |
💽 Memory and storage | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| RAM memory | 3GB LPDDR3 | 4GB LPDDR4X |
| Internal storage | 32GB (21GB available) eMMC 5.1 | 64GB (48GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| 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 | 300/50 Mbps | 300/150 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 | CDMA 800 (China), GSM 850/900/1800/1900 (Global) | GSM 850/900/1800/1900 |
| Primary 3G network | Global version (M1810F6LG, M1810F6LI, M1810F6LH): UMTS 850/900/1700/1900/2100 China version (M1810F6LE): CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat6 VoLTE Global version (M1810F6LG, M1810F6LI, M1810F6LH): LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) China version (M1810F6LE): LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 2MP depth | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 4000x3000 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | 1.25µm pixel | 0.8µm 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 | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Front camera (secondary) | 8 megapixels | 13 megapixels |
| Front camera resolution | 3264x2448 pixels | 4128x3096 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 | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | 1.12µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| 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.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (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 |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 5000 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 15W (9V/1.67A) Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| 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: Lunar Red, Eclipse Black, Comet Blue • 19:9 display ratio • 450nit display brightness • MIUI 9 | • Colors: Black, White, Blue, Red |
☢️ Radiation rate | ||
| Redmi 7 (32GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.422W/kg (head), 1.544W/kg (body) |