In depth comparison and review of HTC Desire 820 and Alcatel Idol 4. 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 | Alcatel Idol 4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.7 mm | 147 mm | HTC Desire 820 has greater height than Alcatel Idol 4. |
| Width | 78.74 mm | 72.5 mm | HTC Desire 820 has greater width than Alcatel Idol 4. |
| Depth | 7.74 mm | 7.1 mm | Alcatel Idol 4 is narrower than HTC Desire 820. |
| Weight | 155 g | 135 g | Alcatel Idol 4 is lighter than HTC Desire 820. |
| Body Colour | Tuxedo grey | Marble white | Metallic silver | |
| Body Material | Polycarbonate | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.323 W/kg (body), 0.373 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 |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM |
| DISPLAY | HTC Desire 820 | Alcatel Idol 4 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD 2 | IPS | |
| Screen Size (Display Size) | 5.5" | 5.2" | HTC Desire 820 has larger screen size than Alcatel Idol 4. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | Alcatel Idol 4 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 Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | HTC Desire 820 | Alcatel Idol 4 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm | |
|---|---|---|---|
| Processor Number | - | MSM8952 | |
| Clock Speed | - | 1.7 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 | Alcatel Idol 4 |
|---|
| RAM | 2 GB | 3 GB | Alcatel Idol 4 has more RAM than HTC Desire 820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 16 GB | Both phones have the same internal memory capacity. |
| User Memory | 11.2 GB | 10 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | HTC Desire 820 | Alcatel Idol 4 |
|---|
| 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 | - | |
| Lens Construction | - | 6-element | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | 28 mm | - | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Burst mode | Panorama, manual mode, Instant shot | |
| 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 | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS) |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Type (Front) | BSI-CMOS | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Face fusion | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | HTC Desire 820 | Alcatel Idol 4 |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 2610 mAh | Alcatel Idol 4 has larger battery capacity than HTC Desire 820. |
|---|---|---|---|
| Recharge Time (Charging Time) | - | 120 min | |
| 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 | Alcatel Idol 4 |
|---|
| 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 6.0 (Marshmallow) | |
| User Interface | HTC Sense | - | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS |
| COMMUNICATIONS | HTC Desire 820 | Alcatel Idol 4 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | - | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | - | |
| 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 | - | |
| 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 | Alcatel Idol 4 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | WAV, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, AAC +, MIDI | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | AVC, MPEG-4, H.264, H.263, HEVC, VP8, VP9 | |
| Sound Enhancements | HTC BoomSound | Hi-Fi Sound support |
| FEATURES | HTC Desire 820 | Alcatel Idol 4 |
|---|
| 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 | - | |
| 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 | Radio Data Service (RDS), HD Voice, Dual noise reduction microphones |
| OTHERS | HTC Desire 820 | Alcatel Idol 4 |
|---|
| Included Accessories | Power adapter | Stereo headset, USB cable, power adapter, SIM card removal tool, Virtual Reality Googles | |
|---|---|---|---|
| Compliant Standards | - | HAC (Hearing Aid Compatible) |
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