In depth comparison and review of Xiaomi MI 4i and Samsung Galaxy A21s. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
DESIGN AND DIMENSIONS | Xiaomi MI 4i | Samsung Galaxy A21s |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | SM-A217F/DSN | |
Form Factor | Touch | Touch | |
Height | 138.1 mm | 163.7 mm | Samsung Galaxy A21s has greater height than Xiaomi MI 4i. |
Width | 69.6 mm | 75.3 mm | Samsung Galaxy A21s has greater width than Xiaomi MI 4i. |
Depth | 7.8 mm | 8.9 mm | Xiaomi MI 4i is narrower than Xiaomi MI 4i. |
Weight | 130 g | 192 g | Xiaomi MI 4i is lighter than Xiaomi MI 4i. |
Body Colour | Black | Dark grey | White | White | Blue | Black | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.29 W/kg | 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) | |
Integrated Components | FM radio | - | |
Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Micro SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 4i | Samsung Galaxy A21s |
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Display Type | LCD display | LCD display | |
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Display Technology | IPS | PLS TFT | |
Screen Size (Display Size) | 5" | 6.5" | Samsung Galaxy A21s has larger screen size than Xiaomi MI 4i. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Xiaomi MI 4i has better screen resolution than Samsung Galaxy A21s. |
Display Format | Full HD | HD+ | |
Pixel Density | 441 ppi | - | |
Aspect Ratio | - | 20:9 | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Features | - | Infinity O display | |
Display Protection (Screen Protector) | Corning Concore Glass | - |
PROCESSOR | Xiaomi MI 4i | Samsung Galaxy A21s |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | - | |
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Clock Speed | 1.7 GHz | 2 GHz | Samsung Galaxy A21s has higher clock speed than Xiaomi MI 4i. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Xiaomi MI 4i has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 405 | - |
MEMORY | Xiaomi MI 4i | Samsung Galaxy A21s |
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RAM | 2 GB | 3 GB | Samsung Galaxy A21s has more RAM than Xiaomi MI 4i. |
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Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Samsung Galaxy A21s has more internal memory than Xiaomi MI 4i. |
User Memory | - | 19.5 GB | |
Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 512 GB |
CAMERA | Xiaomi MI 4i | Samsung Galaxy A21s |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 13 Megapixel | 48 Megapixel | Samsung Galaxy A21s has better camera resolution than Xiaomi MI 4i. |
Lens Type | - | Wide-angle lens | |
Lens Aperture | F/2.0 | F/2.0 | Both phones have the same camera lens aperture. |
Lens Construction | 5-element | - | |
Field of View (FoV) | - | 80 degree(s) | |
Focus Adjustment | Automatic | Automatic | |
Digital Zoom | - | 8x | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Panorama, manual mode | Live Focus mode | |
Face Recognition (Face ID) | Face detection, smile detection | - | Xiaomi MI 4i has face detection. |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Functions) | - | Live Focus |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 123 degree(s) |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Camera Functions (3rd Camera) | - | Macro camera | |
Camera Features (3rd Camera) | - | 4cm macro photography |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Lens Aperture (4th Camera) | - | F/2.4 | |
Camera Functions (4th Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | Samsung Galaxy A21s has better front camera resolution than Xiaomi MI 4i. |
Lens Type (Front) | Wide-angle lens | - | |
Lens Aperture (Front) | F/1.8 | F/2.2 | Xiaomi MI 4i has better front lens aperture than Xiaomi MI 4i. |
Lens Element Qty (Front) | 5-element | - | |
Focus Adjustment | - | Focus free |
BATTERY AND CHARGING | Xiaomi MI 4i | Samsung Galaxy A21s |
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Battery Capacity (Battery Size) | 3120 mAh | 5000 mAh | Samsung Galaxy A21s has larger battery capacity than Xiaomi MI 4i. |
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Talk Time | 2100 minutes | 3240 minutes | Samsung Galaxy A21s has longer battery life when making calls than Xiaomi MI 4i. |
Run Time Details | Talk (WCDMA): up to 2100 min | Active online usage (4G): up to 23 hrs Active online usage (Wi-Fi): up to 23 hrs Playback (video): up to 21 hrs Playback (audio): up to 109 hrs Talk (4G): up to 3240 min |
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Battery Technology | Lithium Ion | Lithium Ion |
CELLULAR | Xiaomi MI 4i | Samsung Galaxy A21s |
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Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 5.0.2 (Lollipop) | - | |
User Interface | MIUI V6 | One UI | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Xiaomi MI 4i | Samsung Galaxy A21s |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | - | Band 1, Band 2, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 850, 900 | |
4G LTE Band | Band 3, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
4G LTE Frequency | FDD 1800+, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 LE | |
Bluetooth Profiles | A2DP, HID | - | |
NFC | - | Yes | Samsung Galaxy A21s has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI 4i | Samsung Galaxy A21s |
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Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
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Supported Digital Video Standards | XviD, MPEG-4, DivX, H.264 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
Sound Enhancements | - | Dolby Atmos sound technology |
FEATURES | Xiaomi MI 4i | Samsung Galaxy A21s |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor | |
Security Devices | - | Face recognition, fingerprint reader | |
Additional Phone Features | MIMO technology, Active noise-cancellation | Samsung KNOX, Virtual Light Sensing |
OTHERS | Xiaomi MI 4i | Samsung Galaxy A21s |
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Included Accessories | Power adapter | Power adapter |
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