Detailed comparison and review of Xiaomi MI A1 and Samsung Galaxy S21 FE 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | SM-G990B/DS | |
Form Factor | Touch | Touch | |
Height | 155.4 mm | 155.7 mm | Samsung Galaxy S21 FE 5G has greater height than Xiaomi MI A1. |
Width | 75.8 mm | 74.5 mm | Xiaomi MI A1 has greater width than Samsung Galaxy S21 FE 5G. |
Depth | 7.3 mm | 7.9 mm | Xiaomi MI A1 is narrower than Xiaomi MI A1. |
Weight | 165 g | 177 g | Xiaomi MI A1 is lighter than Xiaomi MI A1. |
Body Colour | Black | Olive | Graphite | White | Lavender | |
Body Material | Metal | - | |
Protection | - | Dustproof, splashproof, water-resistant | |
Waterproof (Water-resistant) | - | - | |
IP rating | - | IP68 | |
SAR Value | 0.76 W/kg (body), 1.75 W/kg (head) | 1.48 W/kg (body), 0.952 W/kg (head), 2.91 W/kg (limb) | |
Integrated Components | FM radio | - | |
Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM | |
SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
DISPLAY | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Display Type | LCD display | OLED display | |
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Display Technology | LTPS IPS | Infinity-O Dynamic AMOLED 2X | |
Screen Size (Display Size) | 5.5" | 6.4" | Samsung Galaxy S21 FE 5G has larger screen size than Xiaomi MI A1. |
Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Samsung Galaxy S21 FE 5G has better screen resolution than Xiaomi MI A1. |
Display Format | Full HD | Full HD+ | |
Pixel Density | 403 ppi | 401 ppi | Xiaomi MI A1 has better pixel density than Samsung Galaxy S21 FE 5G. |
Max Brightness | 450 cd/m² | - | |
Colour Depth | - | 16.7 million colours | |
HDR Technology | - | HDR10+ | |
Display Enhancement Technology | - | Eye Comfort Shield | |
Display Refresh Rate | - | 120 Hz | |
Display Features | 2.5D curved glass | AOD(Always On Display), Infinity O display, Video Wallpaper | |
Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
PROCESSOR | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Processor Type (CPU) | Qualcomm Snapdragon 625 | - | |
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Clock Speed | 2 GHz | 2.84 GHz | Samsung Galaxy S21 FE 5G has higher clock speed than Xiaomi MI A1. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 506 | - |
MEMORY | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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RAM | 4 GB | 6 GB | Samsung Galaxy S21 FE 5G has more RAM than Xiaomi MI A1. |
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Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | Samsung Galaxy S21 FE 5G has more internal memory than Xiaomi MI A1. |
User Memory | - | 101.1 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | - |
CAMERA | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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MAIN CAMERA |
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Number of Main Cameras | 2 | 3 | |
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Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
Sensor Size | - | 1/1.76" | |
Lens Type | Wide-angle lens | Wide-angle lens | |
Lens Aperture | F/2.2 | F/1.8 | Samsung Galaxy S21 FE 5G has better lens aperture than Xiaomi MI A1. |
Lens Construction | 5-element | - | |
Field of View (FoV) | - | 79 degree(s) | |
Pixel Size | - | 1.8 μm | |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Samsung Galaxy S21 FE 5G has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Optical Zoom | 2x | 3x | Samsung Galaxy S21 FE 5G has better optical zoom than Xiaomi MI A1. |
Digital Zoom | 10x | 30x | Samsung Galaxy S21 FE 5G has better digital zoom than Xiaomi MI A1. |
Special Effects | HDR, Beautify 3.0 | Face retouch, Grid Line | |
HDR Mode | - | Auto HDR mode | |
Camera Modes | Panorama, Continuous shot, low-light shots | Night mode, portrait mode | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
Light Source | Dual LED flash | LED flash | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), geotagging, Two-tone flash | Dual recording |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | 12 Megapixel | Both phones have the same second camera resolution. |
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Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.6 | F/2.2 | Samsung Galaxy S21 FE 5G has better second camera lens aperture than Xiaomi MI A1. |
Field of View (2nd Camera) | - | 123 degree(s) | |
Pixel Size (2nd Camera) | - | 1.12 μm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
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Lens Type (3rd Camera) | - | Telephoto lens | |
Lens Aperture (3rd Camera) | - | F/2.4 | |
Field of View (3rd Camera) | - | 32 degree(s) | |
Pixel Size (3rd Camera) | - | 1 μm | |
Camera Features (3rd Camera) | - | Space Zoom x30 |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Samsung Galaxy S21 FE 5G has better front camera resolution than Xiaomi MI A1. |
Lens Aperture (Front) | - | F/2.2 | |
Field of View (Front) | - | 81 degree(s) | |
Pixel Size (Front) | - | 0.8 μm | |
Focus Adjustment | - | Focus free | |
Camera Modes (Front) | Beautify with 36 smart beauty profiles | - | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI A1 has face detection. |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | Self-timer | - |
BATTERY AND CHARGING | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Battery Capacity (Battery Size) | 3080 mAh | 4500 mAh | Samsung Galaxy S21 FE 5G has larger battery capacity than Xiaomi MI A1. |
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Fast Charging Technology | - | Samsung Fast Charging | Samsung Galaxy S21 FE 5G has fast charging technology. |
Wireless Charging | - | Yes | Samsung Galaxy S21 FE 5G can be charged wirelessly. |
Wireless Charging Standards | - | Wireless PowerShare | |
Talk Time | - | 2220 minutes | |
Run Time Details | - | Talk (LTE): up to 2220 min Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 16 hrs Playback (audio): up to 79 hrs |
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Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | Samsung Galaxy S21 FE 5G has more advanced generation mobile network. |
Operating System | Google Android | Android 12 | |
Intelligent Assistant | Google Assistant | Bixby | |
Payment Technology | - | Samsung Pay | |
Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo, QZSS |
COMMUNICATIONS | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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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 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3500, TDD 2300 | |
Wireless Interface | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
Bluetooth Profiles | HID | - | |
NFC | - | Yes | Samsung Galaxy S21 FE 5G has NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID | |
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Supported Digital Video Standards | MKV, XviD, MPEG-4, M4V | MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4 | |
Sound Enhancements | Dirac HD Sound | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
FEATURES | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor | |
Security Devices | Fingerprint reader | Fingerprint reader | |
Additional Phone Features | Noise suppression by Fortemedia | MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode |
OTHERS | Xiaomi MI A1 | Samsung Galaxy S21 FE 5G |
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Included Accessories | Power adapter | SIM card removal tool, USB-C cable | |
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Compliant Standards | - | IP68 | |
Max Depth of Water Resistance | - | 1.5 m |