Samsung Galaxy A21s (SM-A217F/DS 64GB/4GB) vs Xiaomi Mi Note 3 (128GB)
Side by side comparison between Samsung Galaxy A21s vs Xiaomi Mi Note 3 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
5.5"
IPS
IPS
1080x1920
12
MP
MP
16mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi Note 3 (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!
7 Advantages 
20 Advantages | 26 Common items in both devices |
| eMMC 5.1 |
| 16 million |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| 4G LTE-A |
| 300 Mbps |
| +19 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/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| Model | Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) |
| Other model names | Galaxy A21s SM-A217F/Dual-Sim (64GB + 4GB RAM) | Xiaomi Note 3 MCE8 |
| Country or region available |         (Global, International), Angola, Saudi Arabia, Egypt, India, Morocco, Mozambique, Pakistan | (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 6/2/2020, Announced: 5/15/2020 | 9/1/2017 |
| Depth | 8.9 millimeters (0.35 inches) | 7.6 millimeters (0.3 inches) |
| Size (width x height) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) | 74 x 152.6 millimeters (2.91 x 6.01 in) |
| Weight | 192 grams (6.72 ounces) | 163 grams (5.71 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/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| Display type | TFT PLS | TFT IPS LCD |
| Screen size | 6.5" inches | 5.5" inches |
| Screen-to-body ratio | ~82.8% (screen-to-body ratio) | ~73.8% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 270 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 4 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| System version | Android 10 | Android 7.1 Nougat |
| Firmware update | Android 12 | Android 9.0 Pie |
| User Interface | One UI 2.0 / 3.1 / 4.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| Chipset | 64bit: Samsung Exynos 850 (8nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MP1 | Qualcomm Adreno 512 650Mhz |
| Performance (benchmark) | AnTuTu: 124232 (v8) | feature not registered |
💽 Memory and storage | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| RAM memory | 4GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 64GB (48GB available) eMMC 5.1 | 128GB (111GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| 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 | 300/50 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) | LTE Cat6 (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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 850/900/1900/2100 | 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/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| 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 | (dual camera) 12 megapixels 12MP telephoto f/2.652mmAF2x-optical-zoom |
| Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 27mm (lens) |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS (4-axis): 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/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| Front camera (secondary) | 13 megapixels | 16 megapixels |
| Front camera resolution | 4128x3096 pixels | 4608x3456 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| 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.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C reversible connector |
| 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, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| Sensors | Accelerometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 3500 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging | 18W 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/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| 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 • MIUI 10 • Quick Charge 3.0 • 24-bit/192kHz audio |
☢️ Radiation rate | ||
| Galaxy A21s (SM-A217F/DS 64GB/4GB) | Xiaomi Mi Note 3 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.5W/kg (head), 1.54W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.422W/kg (head), 1.544W/kg (body) | feature not registered |