In depth comparison and review of HTC Desire 820 and ASUS ZenFone 2. 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 | ASUS ZenFone 2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.7 mm | 152.5 mm | HTC Desire 820 has greater height than ASUS ZenFone 2. |
| Width | 78.74 mm | 77.2 mm | HTC Desire 820 has greater width than ASUS ZenFone 2. |
| Depth | 7.74 mm | 10.9 mm | HTC Desire 820 is narrower than HTC Desire 820. |
| Weight | 155 g | 170 g | HTC Desire 820 is lighter than HTC Desire 820. |
| Body Colour | Tuxedo grey | Marble white | Osmium Black | |
| Body Material | Polycarbonate | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 0.87 W/kg (body), 0.92 W/kg (head) | |
| Integrated Components | 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 |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD 2 | IPS | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | ASUS ZenFone 2 has better screen resolution than HTC Desire 820. |
| Display Format | HD | Full HD | |
| Pixel Density | 267 ppi | 400 ppi | ASUS ZenFone 2 has better pixel density than HTC Desire 820. |
| Colour Depth | 16.7 million colours | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Fingerprint-resistant oleophobic coating, Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Intel Atom | |
|---|---|---|---|
| Processor Number | - | Z3580 | |
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | 8-core | Quad-core | HTC Desire 820 has higher processor core quantity than ASUS ZenFone 2. |
| 64-bit Architecture | - | Yes | ASUS ZenFone 2 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | PowerVR G6430 |
| MEMORY | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| RAM | 2 GB | 4 GB | ASUS ZenFone 2 has more RAM than HTC Desire 820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | ASUS ZenFone 2 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 64 GB |
| CAMERA | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | BSI-CMOS | - | |
| Lens Aperture | F/2.2 | F/2.0 | ASUS ZenFone 2 has better lens aperture than HTC Desire 820. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 28 mm | - | |
| HDR Mode | Auto HDR mode | Super HDR | |
| Camera Modes | Burst mode | Panoramic pictures, night mode, wide selfie mode, Beauty mode | |
| 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) | |
| Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | Zero Shutter Lag, Blue Glass Infrared Filter, By Pixel Super Resolution technology |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | HTC Desire 820 has better front camera resolution than ASUS ZenFone 2. |
| Sensor Type (Front) | BSI-CMOS | - | |
| Focus Adjustment | - | Automatic | |
| Special Effects (Front) | Face fusion | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 3000 mAh | ASUS ZenFone 2 has larger battery capacity than HTC Desire 820. |
|---|---|---|---|
| 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 2 |
|---|
| 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 5.0 (Lollipop) | |
| User Interface | HTC Sense | ASUS ZenUI | |
| Navigation | A-GPS, GLONASS | A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 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 17, Band 20 | |
| 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 700b, FDD 800 DD | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Bluetooth Profiles | A2DP | 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 | ASUS ZenFone 2 |
|---|
| 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 | - |
| FEATURES | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| 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 | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | |
| 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 | Kids Mode, Glove Touchscreen Operation, ASUS BoostMaster technology |
| OTHERS | HTC Desire 820 | ASUS ZenFone 2 |
|---|
| Included Accessories | Power adapter | Headset, power adapter |
|---|
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