In depth comparison and review of HTC Desire 820 and HTC U Ultra. 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 | HTC U Ultra |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.7 mm | 145.99 mm | HTC Desire 820 has greater height than HTC U Ultra. |
| Width | 78.74 mm | 72.9 mm | HTC Desire 820 has greater width than HTC U Ultra. |
| Depth | 7.74 mm | 7.99 mm | HTC Desire 820 is narrower than HTC Desire 820. |
| Weight | 155 g | 145 g | HTC U Ultra is lighter than HTC Desire 820. |
| Body Colour | Tuxedo grey | Marble white | Brilliant black | |
| Body Material | Polycarbonate | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 0.48 W/kg (body), 0.4 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 Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | - | Single-SIM |
| DISPLAY | HTC Desire 820 | HTC U Ultra |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD 2 | Super LCD | |
| Screen Size (Display Size) | 5.5" | 5.2" | HTC Desire 820 has larger screen size than HTC U Ultra. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1920 x 1080 pixels | HTC U Ultra has better screen resolution than HTC Desire 820. |
| Display Format | HD | Full HD | |
| Pixel Density | 267 ppi | 428 ppi | HTC U Ultra 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) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | HTC Desire 820 | HTC U Ultra |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek Helio P10 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | HTC U Ultra has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | HTC Desire 820 | HTC U Ultra |
|---|
| RAM | 2 GB | 3 GB | HTC U Ultra has more RAM than HTC Desire 820. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | HTC U Ultra has more internal memory than HTC Desire 820. |
| User Memory | 11.2 GB | 22.8 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | HTC Desire 820 | HTC U Ultra |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | HTC U Ultra has better camera resolution than HTC Desire 820. |
| Sensor Type | BSI-CMOS | BSI | |
| Lens Aperture | F/2.2 | F/2.0 | HTC U Ultra has better lens aperture than HTC Desire 820. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | HTC U Ultra has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | 28 mm | 28 mm | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Burst mode | Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode | |
| Face Recognition (Face ID) | Face detection | Face detection | Both phones have 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 | |
| Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | Phase Detect Auto-Focus (PDAF), Video Pic |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 16 Megapixel | HTC U Ultra has better front camera resolution than HTC Desire 820. |
| Sensor Type (Front) | BSI-CMOS | BSI | |
| Lens Type (Front) | - | Wide-angle lens | |
| Lens Aperture (Front) | - | F/2.0 | |
| Focus Adjustment | - | Automatic | |
| Min Focal Length (Front) | - | 26.5 mm | |
| Special Effects (Front) | Face fusion | Live make-up | |
| HDR Mode (Front) | - | Auto HDR mode | |
| Camera Modes (Front) | - | Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) | |
| Camera Features (Front) | - | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds |
| BATTERY AND CHARGING | HTC Desire 820 | HTC U Ultra |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 2500 mAh | HTC Desire 820 has larger battery capacity than HTC U Ultra. |
|---|---|---|---|
| Standby Time | 455 hours | 427.54 hours | HTC Desire 820 has longer standby time than HTC U Ultra. |
| Talk Time | 1068 minutes | 912 minutes | HTC Desire 820 has longer battery life when making calls than HTC U Ultra. |
| Run Time Details | Talk (WCDMA): up to 1068 min Standby (WCDMA): up to 455 hrs |
Talk (3G): up to 912 min Standby (3G): up to 427.54 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | HTC Desire 820 | HTC U Ultra |
|---|
| 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 | HTC Sense | |
| Intelligent Assistant | - | HTC Sense Companion | |
| Navigation | A-GPS, GLONASS | GPS, GLONASS |
| COMMUNICATIONS | HTC Desire 820 | HTC U Ultra |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-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 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40 | |
| 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 | |
| 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 | HTC U Ultra |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | WAV, AAC, MP3, FLAC, OGG, M4A, MID | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | MKV, MPEG-4, 3GP, TS, WebM | |
| Sound Enhancements | HTC BoomSound | HTC BoomSound Hi-Fi Edition |
| FEATURES | HTC Desire 820 | HTC U Ultra |
|---|
| 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, magnetometer, gyro sensor, G-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 | AirPlay wireless streaming, sharing media via DLNA, Wi-Fi Miracast, Noise Cancellation Technology, Flip to Mute function, Power Saving Mode, Wi-Fi Calling, Pocket mode, Hi-Res Audio, Motion Launch, Android Sensor Hub, HTC Connect, Extreme power saving mode, Hi-Res audio stereo recording, HTC Usonic, Quiet ring on pick up |
| OTHERS | HTC Desire 820 | HTC U Ultra |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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