Xiaomi Mi A3 (128GB) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/4GB)
Side by side comparison between Xiaomi Mi A3 vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?
,
6.088"
AMOLED
AMOLED
720x1560
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4030
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? Xiaomi Mi A3 (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!
29 Common items in both devices |
4GB LPDDR4X |
Until 512GB microSD, microSDXC |
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 | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Model | Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) |
Other model names | Xiaomi Mi A3 (Android One), M1906F9SH, M1906F9SI | 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 | 7/24/2019, Announced: 7/17/2019 | 6/2/2020, Announced: 5/15/2020 |
Depth | 8.5 millimeters (0.33 inches) | 8.9 millimeters (0.35 inches) |
Size (width x height) | 71.85 x 153.48 millimeters (2.83 x 6.04 in) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) |
Weight | 174 grams (6.09 ounces) | 192 grams (6.72 ounces) |
Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Display type | Super AMOLED | TFT PLS |
Screen size | 6.088" inches | 6.5" inches |
Screen-to-body ratio | ~82.5% (screen-to-body ratio) | ~82.8% (screen-to-body ratio) |
Display resolution | 720x1560 pixels (19.5:9) | 720x1600 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 282 PPI | 270 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 5 | Not supported |
Refresh rate | 60Hz | 60Hz |
Display features | Not supported | Not supported |
🤖 Operating System | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
System version | Android 9.0 Pie | Android 10 |
Firmware update | Android 11 | Android 12 |
User Interface | Android One | One UI 2.0 / 3.1 / 4.1 |
⚙️ Processor | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Chipset | 64bit: Qualcomm Snapdragon 665 (SM6125) (11nm) | 64bit: Samsung Exynos 850 (8nm) |
CPU | Octa-core, 2 processors: 4x 2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) |
GPU graphical controller | Qualcomm Adreno 610 | ARM Mali-G52 MP1 |
Performance (benchmark) | feature not registered | AnTuTu: 124232 (v8) |
💽 Memory and storage | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
RAM memory | 4GB LPDDR4X | 4GB LPDDR4X |
Internal storage | 128GB (109GB available) UFS 2.1 | 64GB (48GB available) eMMC 5.1 |
External storage | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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 | 450/50 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
Primary 4G network | LTE Cat9 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE | 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, UMTS, 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 | UMTS 850/900/1700/1900/2100 | 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, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.21/4.0"1.12µm 2MP depth f/2.4 | (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 | 8000x6000 pixels | 8000x6000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/2" inches | 1/2" 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 | 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 | 1080p@120fps | feature not registered |
📸 Front camera | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Front camera (secondary) | 32 megapixels | 13 megapixels |
Front camera resolution | 6528x4896 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 | 26mm lens | feature not registered |
Sensor size | 1/2.8" inches | 1/3.1" inches |
Pixel size | 0.8µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Loudspeaker | Mono sound (not stereo) | 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 | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
USB | USB 2.0 Type-C, 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 | 5.0 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | Supported | Not supported |
🧭 Sensors | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Xiaomi Mi A3 (128GB) | Galaxy A21s (SM-A217F/DSN 64GB/4GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 4030 mAh | 5000 mAh |
Charger, watts | 18W (9V/2A) Wired fast charging Quick Charge 3 | 15W (9V/1.67A) Wired fast charging |
Inductive / wireless charging | Not supported | Not supported |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Xiaomi Mi A3 (128GB) | 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: Gray, White, Blue | • Colors: Black, White, Blue, Red |
☢️ Radiation rate | ||
Xiaomi Mi A3 (128GB) | 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) |