Detailed comparison and review of HTC Desire 820 and Samsung Galaxy A31. 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 | HTC Desire 820 | Samsung Galaxy A31 |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | SM-A315G/DS | |
Form Factor | Touch | Touch | |
Height | 157.7 mm | 159.3 mm | Samsung Galaxy A31 has greater height than HTC Desire 820. |
Width | 78.74 mm | 73.1 mm | HTC Desire 820 has greater width than Samsung Galaxy A31. |
Depth | 7.74 mm | 8.6 mm | HTC Desire 820 is narrower than HTC Desire 820. |
Weight | 155 g | 185 g | HTC Desire 820 is lighter than HTC Desire 820. |
Body Colour | Tuxedo grey | Marble white | Prism crush black | |
Body Material | Polycarbonate | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 1.68 W/kg (body), 0.488 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 | Samsung Galaxy A31 |
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Display Type | LCD display | OLED display | |
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Display Technology | Super LCD 2 | Super AMOLED | |
Screen Size (Display Size) | 5.5" | 6.4" | Samsung Galaxy A31 has larger screen size than HTC Desire 820. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | Samsung Galaxy A31 has better screen resolution than HTC Desire 820. |
Display Format | HD | Full HD+ | |
Pixel Density | 267 ppi | - | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Features | - | Night mode, Edge-to-Edge screen, Infinity U Display | |
Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
PROCESSOR | HTC Desire 820 | Samsung Galaxy A31 |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | - | |
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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 | - |
MEMORY | HTC Desire 820 | Samsung Galaxy A31 |
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RAM | 2 GB | 4 GB | Samsung Galaxy A31 has more RAM than HTC Desire 820. |
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Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Samsung Galaxy A31 has more internal memory than HTC Desire 820. |
User Memory | 11.2 GB | 46.2 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 512 GB |
CAMERA | HTC Desire 820 | Samsung Galaxy A31 |
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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 A31 has better camera resolution than HTC Desire 820. |
Sensor Type | BSI-CMOS | - | |
Lens Aperture | F/2.2 | F/2.0 | Samsung Galaxy A31 has better lens aperture than HTC Desire 820. |
Field of View (FoV) | - | 80 degree(s) | |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | 28 mm | - | |
Digital Zoom | - | 8x | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Burst mode | Depth bokeh | |
Face Recognition (Face ID) | Face detection | - | HTC Desire 820 has face detection. |
Light Source | LED light | LED flash | |
Still Image Resolutions | 4160 x 3120 | - | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | 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) | |
Minimum Focal Length (2nd Camera) | - | 40 mm | |
Camera Functions (2nd Camera) | - | Macro camera |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Camera Functions (3rd Camera) | - | Depth camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 5 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) | 8 Megapixel | 20 Megapixel | Samsung Galaxy A31 has better front camera resolution than HTC Desire 820. |
Sensor Type (Front) | BSI-CMOS | - | |
Lens Aperture (Front) | - | F/2.2 | |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | Face fusion | - | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
BATTERY AND CHARGING | HTC Desire 820 | Samsung Galaxy A31 |
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Battery Capacity (Battery Size) | 2600 mAh | 5000 mAh | Samsung Galaxy A31 has larger battery capacity than HTC Desire 820. |
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Standby Time | 455 hours | - | |
Talk Time | 1068 minutes | 1980 minutes | Samsung Galaxy A31 has longer battery life when making calls than HTC Desire 820. |
Run Time Details | Talk (WCDMA): up to 1068 min Standby (WCDMA): up to 455 hrs |
Active online usage (LTE): up to 20 hrs Active online usage (Wi-Fi): up to 20 hrs Playback (video): up to 22 hrs Playback (audio): up to 97 hrs Talk (LTE): up to 1980 min |
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Battery Technology | Lithium polymer | - |
CELLULAR | HTC Desire 820 | Samsung Galaxy A31 |
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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) | Android 10 | |
User Interface | HTC Sense | One UI | |
Payment Technology | - | Samsung Pay | |
Navigation | A-GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | HTC Desire 820 | Samsung Galaxy A31 |
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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 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | |
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 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
Bluetooth Profiles | A2DP | - | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Communication Features | Mobile Email client, Internet browser | - | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | HTC Desire 820 | Samsung Galaxy A31 |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | 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 | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | |
Sound Enhancements | HTC BoomSound | - |
FEATURES | HTC Desire 820 | Samsung Galaxy A31 |
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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, gyro sensor, hall sensor, geomagnetic 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 | Samsung KNOX, Game Booster, Samsung Smart Switch, Virtual Proximity Sensing |
OTHERS | HTC Desire 820 | Samsung Galaxy A31 |
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Included Accessories | Power adapter | Power adapter |
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