Side by side comparison and review of HTC Desire 820 and Vivo X51 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | HTC Desire 820 | Vivo X51 5G |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | - | V2006 | |
Form Factor | Touch | Touch | |
Height | 157.7 mm | 158.46 mm | Vivo X51 5G has greater height than HTC Desire 820. |
Width | 78.74 mm | 72.8 mm | HTC Desire 820 has greater width than Vivo X51 5G. |
Depth | 7.74 mm | 8.04 mm | HTC Desire 820 is narrower than HTC Desire 820. |
Weight | 155 g | 181.5 g | HTC Desire 820 is lighter than HTC Desire 820. |
Body Colour | Tuxedo grey | Marble white | Alpha grey | |
Body Material | Polycarbonate | - | |
Waterproof (Water-resistant) | - | - | |
IP rating | - | IP53 | |
SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 1.205 W/kg (head), 1.239 W/kg (body), 3.086 W/kg (limb) | |
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 | |
SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM |
DISPLAY | HTC Desire 820 | Vivo X51 5G |
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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" | 6.56" | Vivo X51 5G has larger screen size than HTC Desire 820. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2376 x 1080 pixels | Vivo X51 5G has better screen resolution than HTC Desire 820. |
Display Format | HD | - | |
Pixel Density | 267 ppi | 398 ppi | Vivo X51 5G has better pixel density than HTC Desire 820. |
Aspect Ratio | - | 19.8:9 | |
Max Brightness | - | 500 cd/m² | |
Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
PROCESSOR | HTC Desire 820 | Vivo X51 5G |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 765G | |
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Clock Speed | - | 2.4 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 | Vivo X51 5G |
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RAM | 2 GB | 8 GB | Vivo X51 5G has more RAM than HTC Desire 820. |
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Internal Memory Size (Storage Capacity) | 16 GB | 256 GB | Vivo X51 5G 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 | - |
CAMERA | HTC Desire 820 | Vivo X51 5G |
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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 | Vivo X51 5G has better camera resolution than HTC Desire 820. |
Sensor Type | BSI-CMOS | - | |
Lens Aperture | F/2.2 | F/1.6 | Vivo X51 5G has better lens aperture than HTC Desire 820. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | - | Yes | |
Minimum Focal Length (Focal Distance) | 28 mm | - | |
Special Effects | - | HDR | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Burst mode | Panorama, Time-lapse mode, Pro mode, Live Photos, AI makeup, Portrait, Super Night mode, astro mode, pro sports mode, DOC mode | |
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) | - | |
Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | 60x Hyper Zoom, Gimbal Super Night Master, Gimbal Super Sport Expert |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 13 Megapixel | |
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Lens Aperture (2nd Camera) | - | F/2.46 |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 8 Megapixel | |
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Lens Type (3rd Camera) | - | Wide-angle lens | |
Lens Aperture (3rd Camera) | - | F/2.2 |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 8 Megapixel | |
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Lens Type (4th Camera) | - | Telephoto lens | |
Lens Aperture (4th Camera) | - | F/3.4 |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 32 Megapixel | Vivo X51 5G has better front camera resolution than HTC Desire 820. |
Sensor Type (Front) | BSI-CMOS | - | |
Lens Aperture (Front) | - | F/2.45 | |
Special Effects (Front) | Face fusion | HDR | |
Camera Modes (Front) | - | Live Photos, Portrait | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | - | 2 x digital zoom |
BATTERY AND CHARGING | HTC Desire 820 | Vivo X51 5G |
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Battery Capacity (Battery Size) | 2600 mAh | 4315 mAh | Vivo X51 5G has larger battery capacity than HTC Desire 820. |
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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 | Vivo X51 5G |
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Technology | WCDMA (UMTS) / GSM | CDMA2000 1X / GSM / WCDMA (UMTS) | |
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Mobile Broadband Generation | 4G | 5G | Vivo X51 5G has more advanced generation mobile network. |
Operating System | Android 4.4 (KitKat) | Funtouch OS 10 (based on Android 10) | |
User Interface | HTC Sense | - | |
Navigation | A-GPS, GLONASS | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | HTC Desire 820 | Vivo X51 5G |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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, 800 CDMA2000 1X | |
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 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, 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 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
5G NR Band | - | N1, n3, n7, n8, n28, n38, n41, n77, n78 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 900, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500 | |
Wireless Interface | IEEE 802.11a/b/g/n | Wi-Fi | |
Bluetooth | Bluetooth 4.0 | Bluetooth 5.1 | |
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 | - |
MEDIA | HTC Desire 820 | Vivo X51 5G |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | WAV, MPEG 2 Audio, MP3, FLAC, MIDI, APE (Monkey's Audio), AMR-WB, AMR-NB, Vorbis | |
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Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | MKV, AVI, 3GP, TS, MP4 | |
Sound Enhancements | HTC BoomSound | - | |
Audio Amplifier | - | AK4377A |
FEATURES | HTC Desire 820 | Vivo X51 5G |
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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 | |
Security Devices | - | Fingerprint reader | |
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 | - |
OTHERS | HTC Desire 820 | Vivo X51 5G |
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Included Accessories | Power adapter | Headset, USB cable, power adapter, SIM card removal tool, USB-C to 3.5 jack adapter, protective case, protective film | |
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Compliant Standards | - | IP53 |