Side by side comparison and review of HTC Desire 820 and ASUS ZenFone AR (ZS571KL). 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 | ASUS ZenFone AR (ZS571KL) |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | ZS571KL | |
| Form Factor | Touch | Touch | |
| Height | 157.7 mm | 158.67 mm | ASUS ZenFone AR (ZS571KL) has greater height than HTC Desire 820. |
| Width | 78.74 mm | 77.4 mm | HTC Desire 820 has greater width than ASUS ZenFone AR (ZS571KL). |
| Depth | 7.74 mm | 7.99 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 | Black | |
| Body Material | Polycarbonate | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 1.59 W/kg (body), 0.85 W/kg (head) | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
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 (SIM1 and SIM2/MicroSD slots) | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super LCD 2 | Quad HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.7" | ASUS ZenFone AR (ZS571KL) has larger screen size than HTC Desire 820. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2560 x 1440 pixels | ASUS ZenFone AR (ZS571KL) has better screen resolution than HTC Desire 820. |
| Display Format | HD | QHD | |
| Pixel Density | 267 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Enhancement Technology | - | Bluelight Filter for Eye Care | |
| Display Features | - | ASUS Glove Touch technology, ASUS Tru2Life | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 4 (scratch resistant glass) |
| PROCESSOR | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 821 | |
|---|---|---|---|
| Processor Number | - | MSM8996 Pro | |
| Clock Speed | - | 2.35 GHz | |
| Processor Core Qty | 8-core | Quad-core | HTC Desire 820 has higher processor core quantity than ASUS ZenFone AR (ZS571KL). |
| 64-bit Architecture | - | Yes | ASUS ZenFone AR (ZS571KL) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | Qualcomm ADRENO 530 |
| MEMORY | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| RAM | 2 GB | LPDDR4 SDRAM - 6 GB | ASUS ZenFone AR (ZS571KL) has more RAM than HTC Desire 820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | ASUS ZenFone AR (ZS571KL) 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 | microSDHC, microSDXC - up to 2 TB |
| CAMERA | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 23 Megapixel | ASUS ZenFone AR (ZS571KL) has better camera resolution than HTC Desire 820. |
| Sensor Size | - | 1/2.6" | |
| Sensor Type | BSI-CMOS | - | |
| Sensor Name | - | Sony Exmor RS IMX318 sensor | |
| Lens Aperture | F/2.2 | F/2.0 | ASUS ZenFone AR (ZS571KL) has better lens aperture than HTC Desire 820. |
| Lens Construction | - | 6-element | |
| Optical Image Stabiliser (OIS) | - | 4 Stop OIS (Optical Image Stabilisation) | ASUS ZenFone AR (ZS571KL) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | 28 mm | 27 mm | |
| Special Effects | - | Depth of field | |
| HDR Mode | Auto HDR mode | HDR Pro | |
| Camera Modes | Burst mode | Panorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification | |
| Face Recognition (Face ID) | Face detection | - | HTC Desire 820 has face detection. |
| Light Source | LED light | Dual LED flash | |
| Still Image Resolutions | 4160 x 3120 | - | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | Zero Shutter Lag, Phase Detect Auto-Focus (PDAF), Smart Remove, Time Rewind, PixelMaster 3.0 camera, 3-axis electronic image stabilisation, Blue Glass IR Filter, Continuous Auto Focus (CAF), RAW image capture, ASUS TriTech technology |
| SECOND CAMERA |
|---|
| Camera Features (2nd Camera) | - | Motion Tracking Rear Camera |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | - | 1/4" | |
| Sensor Type (Front) | BSI-CMOS | - | |
| Sensor Name (Front) | - | Omnivision OV8856 sensor | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Face fusion | Miniature, HDR, Depth of field | |
| HDR Mode (Front) | - | HDR Pro | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, Slow motion mode, night mode, selfie mode, manual mode, super resolution mode, low-light shots, All Smiles mode, Photo Effect Mode, panoramic selfies, selfie panorama, GIF animation function, Real-Time Beautification | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | PixelMaster 3.0 camera, Time Rewind, Smart Remove |
| BATTERY AND CHARGING | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 3300 mAh | ASUS ZenFone AR (ZS571KL) has larger battery capacity than HTC Desire 820. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0, BoostMaster Fast Charging | ASUS ZenFone AR (ZS571KL) 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 |
- | |
| Battery Technology | Lithium polymer | Lithium polymer |
| CELLULAR | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 4.4 (KitKat) | Android 7.0 Nougat | |
| User Interface | HTC Sense | ASUS ZenUI 3.0 | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 6, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 850, 800, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 8, Band 20 | Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | A2DP | OPP, PAN, A2DP, AVRCP, HID | |
| 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 | ASUS ZenFone AR (ZS571KL) |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | - | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | - | |
| Sound Enhancements | HTC BoomSound | DTS-HD Premium Sound, Virtual Surround Sound, DTS Headphone:X 7.1, Hi-Res audio |
| FEATURES | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| 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 | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyro sensor, G-sensor, hall sensor, RGB sensor | |
| 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 | Infrared remote control, Dual microphones, Google Drive Storage (100 GB) (free for 2 years), Tango technology support, ASUS SonicMaster 3.0 technology, NXP Smart AMP technology, ASUS Noise Reduction technology, Daydream technology support |
| OTHERS | HTC Desire 820 | ASUS ZenFone AR (ZS571KL) |
|---|
| Included Accessories | Power adapter | Power adapter, USB-C cable |
|---|
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