In depth comparison and review of HTC Desire 820 and OPPO A15. 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 | OPPO A15 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2185 | |
| Form Factor | Touch | Touch | |
| Height | 157.7 mm | 164 mm | OPPO A15 has greater height than HTC Desire 820. |
| Width | 78.74 mm | 75.4 mm | HTC Desire 820 has greater width than OPPO A15. |
| Depth | 7.74 mm | 7.9 mm | HTC Desire 820 is narrower than HTC Desire 820. |
| Weight | 155 g | 175 g | HTC Desire 820 is lighter than HTC Desire 820. |
| Body Colour | Tuxedo grey | Marble white | Dynamic black | |
| Body Material | Polycarbonate | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 1.16 W/kg (body), 2.77 W/kg (limb), 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 |
Micro-USB Handset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | HTC Desire 820 | OPPO A15 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD 2 | LCD | |
| Screen Size (Display Size) | 5.5" | 6.52" | OPPO A15 has larger screen size than HTC Desire 820. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | OPPO A15 has better screen resolution than HTC Desire 820. |
| Display Format | HD | HD+ | |
| Pixel Density | 267 ppi | 269 ppi | OPPO A15 has better pixel density than HTC Desire 820. |
| Max Brightness | - | 480 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Refresh Rate | - | 60 Hz | |
| Display Features | - | Dark mode, Waterdrop Screen | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | HTC Desire 820 | OPPO A15 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek Helio P35 | |
|---|---|---|---|
| Processor Number | - | MT6765 | |
| Clock Speed | - | 2.3 GHz | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | Qualcomm ADRENO 405 | IMG GE8320 |
| MEMORY | HTC Desire 820 | OPPO A15 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 3 GB | OPPO A15 has more RAM than HTC Desire 820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | OPPO A15 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, microSD, microSDXC - up to 256 GB |
| CAMERA | HTC Desire 820 | OPPO A15 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | BSI-CMOS | - | |
| Lens Aperture | F/2.2 | F/2.2 | Both phones have the same camera lens aperture. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 28 mm | - | |
| Special Effects | - | HDR, Portrait bokeh | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode | Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night | |
| 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 | AI Triple camera, AI Scene Enhancement |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | HTC Desire 820 has better front camera resolution than OPPO A15. |
| Sensor Type (Front) | BSI-CMOS | - | |
| Lens Aperture (Front) | - | F/2.4 | |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | Face fusion | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | AI beautification |
| BATTERY AND CHARGING | HTC Desire 820 | OPPO A15 |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 4230 mAh | OPPO A15 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 | - |
| CELLULAR | HTC Desire 820 | OPPO A15 |
|---|
| 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) | ColorOS 7.2 (based on Android 10) | |
| User Interface | HTC Sense | - | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | HTC Desire 820 | OPPO A15 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 8, Band 20 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n | Wi-Fi | |
| 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 | - |
| MEDIA | HTC Desire 820 | OPPO A15 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | AAC, apt-X, LDAC, SBC | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | - | |
| Sound Enhancements | HTC BoomSound | - |
| FEATURES | HTC Desire 820 | OPPO A15 |
|---|
| 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 | - | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Security Technology | - | AI face unlock | |
| 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 | HyperBoost 2.1 |
| OTHERS | HTC Desire 820 | OPPO A15 |
|---|
| Included Accessories | Power adapter | Protective cover, USB cable, power adapter, SIM card removal tool |
|---|
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