In depth comparison and review of HTC Desire 820 and Xiaomi MI A3. 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 | HTC Desire 820 | Xiaomi MI A3 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 157.7 mm | 153.48 mm | HTC Desire 820 has greater height than Xiaomi MI A3. |
Width | 78.74 mm | 71.85 mm | HTC Desire 820 has greater width than Xiaomi MI A3. |
Depth | 7.74 mm | 8.475 mm | HTC Desire 820 is narrower than HTC Desire 820. |
Weight | 155 g | 173.8 g | HTC Desire 820 is lighter than HTC Desire 820. |
Body Colour | Tuxedo grey | Marble white | Kind of grey | |
Body Material | Polycarbonate | Corning Gorilla Glass 5 | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | |
Integrated Components | FM radio | - | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM |
DISPLAY | HTC Desire 820 | Xiaomi MI A3 |
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Display Type | LCD display | OLED display | |
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Display Technology | Super LCD 2 | AMOLED | |
Screen Size (Display Size) | 5.5" | 6.088" | Xiaomi MI A3 has larger screen size than HTC Desire 820. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1560 x 720 pixels | Xiaomi MI A3 has better screen resolution than HTC Desire 820. |
Display Format | HD | HD+ | |
Pixel Density | 267 ppi | - | |
Aspect Ratio | - | 19.5:9 | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 60000:1 | |
Display Features | - | 2.5D Glass, Dot Drop display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | HTC Desire 820 | Xiaomi MI A3 |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 665 | |
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Clock Speed | - | 2 GHz | |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 405 | Qualcomm ADRENO 610 |
MEMORY | HTC Desire 820 | Xiaomi MI A3 |
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RAM | 2 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI A3 has more RAM than HTC Desire 820. |
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Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi MI A3 has more internal memory than HTC Desire 820. |
User Memory | 11.2 GB | - | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | Up to 256 GB |
CAMERA | HTC Desire 820 | Xiaomi MI A3 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 3 | |
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Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than HTC Desire 820. |
Sensor Size | - | 1/2" | |
Sensor Type | BSI-CMOS | - | |
Lens Aperture | F/2.2 | F/1.79 | Xiaomi MI A3 has better lens aperture than HTC Desire 820. |
Lens Construction | - | 6-element | |
Pixel Size | - | 1.6 μm | |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | 28 mm | - | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Burst mode | AI portrait mode | |
Face Recognition (Face ID) | Face detection | - | HTC Desire 820 has face detection. |
Light Source | LED light | Flash | |
Still Image Resolutions | 4160 x 3120 | - | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
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) | - | 118 degree(s) |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Camera Functions (3rd Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than HTC Desire 820. |
Sensor Type (Front) | BSI-CMOS | - | |
Lens Aperture (Front) | - | F/2.0 | |
Lens Element Qty (Front) | - | 5-element | |
Field of View (Front) | - | 79 degree(s) | |
Pixel Size (Front) | - | 1.6 μm | |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | Face fusion | - | |
Camera Modes (Front) | - | Selfie panorama, AI portrait mode, AI Beautify | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
Camera Features (Front) | - | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
BATTERY AND CHARGING | HTC Desire 820 | Xiaomi MI A3 |
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Battery Capacity (Battery Size) | 2600 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than HTC Desire 820. |
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Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
Standby Time | 455 hours | - | |
Talk Time | 1068 minutes | - | |
Run Time Details | Talk (WCDMA): up to 1068 min Standby (WCDMA): up to 455 hrs |
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Battery Technology | Lithium polymer | - |
CELLULAR | HTC Desire 820 | Xiaomi MI A3 |
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Technology | 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 4.4 (KitKat) | - | |
User Interface | HTC Sense | - | |
Intelligent Assistant | - | Google Assistant | |
Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
COMMUNICATIONS | HTC Desire 820 | Xiaomi MI A3 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 3, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
4G LTE Frequency | FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | |
Wireless Interface | IEEE 802.11a/b/g/n | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
Bluetooth Profiles | A2DP | - | |
NFC | Yes | - | HTC Desire 820 has NFC reader for mobile payments. |
Communication Features | Mobile Email client, Internet browser | - | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | HTC Desire 820 | Xiaomi MI A3 |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
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Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | |
Sound Enhancements | HTC BoomSound | - |
FEATURES | HTC Desire 820 | Xiaomi MI A3 |
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Phone Functions | Speakerphone, voice control, call timer, conference call, voice dialing, 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
Security Devices | - | Fingerprint reader (under display) | |
Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
Additional Phone Features | DLNA Certified, sharing media via DLNA, Wi-Fi Miracast, HTC BlinkFeed, HTC Sense Voice | AI face unlock |
OTHERS | HTC Desire 820 | Xiaomi MI A3 |
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Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
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