In depth comparison and review of HTC Desire 820 and Xiaomi Redmi Note 9. 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 | Xiaomi Redmi Note 9 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 157.7 mm | 162.3 mm | Xiaomi Redmi Note 9 has greater height than HTC Desire 820. |
Width | 78.74 mm | 77.2 mm | HTC Desire 820 has greater width than Xiaomi Redmi Note 9. |
Depth | 7.74 mm | 8.9 mm | HTC Desire 820 is narrower than HTC Desire 820. |
Weight | 155 g | 199 g | HTC Desire 820 is lighter than HTC Desire 820. |
Body Colour | Tuxedo grey | Marble white | Forest green | |
Body Material | Polycarbonate | - | |
Protection | - | Splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | |
Integrated Components | FM radio | Ultra-linear speaker | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | - | Dual-SIM | |
SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
DISPLAY | HTC Desire 820 | Xiaomi Redmi Note 9 |
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Display Type | LCD display | - | |
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Display Technology | Super LCD 2 | - | |
Screen Size (Display Size) | 5.5" | 6.53" | Xiaomi Redmi Note 9 has larger screen size than HTC Desire 820. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9 has better screen resolution than HTC Desire 820. |
Display Format | HD | Full HD+ | |
Pixel Density | 267 ppi | - | |
Aspect Ratio | - | 19.5:9 | |
Max Brightness | - | 450 cd/m² | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1500:1 | |
Display Features | - | Reading mode 2.0, Dot Display, Full Screen gestures | |
Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | HTC Desire 820 | Xiaomi Redmi Note 9 |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | MediaTek Helio G85 | |
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Clock Speed | - | 2 GHz | |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
Graphics System (GPU) | Qualcomm ADRENO 405 | ARM G52 MC2 |
MEMORY | HTC Desire 820 | Xiaomi Redmi Note 9 |
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RAM | 2 GB | 3 GB | Xiaomi Redmi Note 9 has more RAM than HTC Desire 820. |
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Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi Redmi Note 9 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 | microSD |
CAMERA | HTC Desire 820 | Xiaomi Redmi Note 9 |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 4 | |
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Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9 has better camera resolution than HTC Desire 820. |
Sensor Size | - | 1/2" | |
Sensor Type | BSI-CMOS | - | |
Lens Aperture | F/2.2 | F/1.79 | Xiaomi Redmi Note 9 has better lens aperture than HTC Desire 820. |
Lens Construction | - | 6-element | |
Field of View (FoV) | - | 79.4 degree(s) | |
Pixel Size | - | 0.8 μm | |
Focus Adjustment | Automatic | Automatic | |
Minimum Focal Length (Focal Distance) | 28 mm | - | |
Special Effects | - | HDR, Kaleidoscope | |
HDR Mode | Auto HDR mode | - | |
Camera Modes | Burst mode | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | |
Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
Light Source | LED light | 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, Slo-mo video 1280 x 720 (720p) at 120 fps | |
Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
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Sensor Size (2nd Camera) | - | 1/4" | |
Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Lens Element Qty (2nd Camera) | - | 5-element | |
Field of View (2nd Camera) | - | 118 degree(s) | |
Pixel Size (2nd Camera) | - | 1.2 μm | |
Camera Features (2nd Camera) | - | 5-piece lens |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.75 μm | |
Camera Functions (3rd Camera) | - | Macro camera | |
Camera Features (3rd Camera) | - | AF (2cm-10cm) |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Sensor Size (4th Camera) | - | 1/5" | |
Lens Aperture (4th Camera) | - | F/2.4 | |
Lens Element Qty (4th Camera) | - | 3-element | |
Pixel Size (4th Camera) | - | 1.75 μm | |
Camera Functions (4th Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9 has better front camera resolution than HTC Desire 820. |
Sensor Size (Front) | - | 1/3.06" | |
Sensor Type (Front) | BSI-CMOS | - | |
Lens Aperture (Front) | - | F/2.25 | |
Lens Element Qty (Front) | - | 5-element | |
Field of View (Front) | - | 74 degree(s) | |
Pixel Size (Front) | - | 1.12 μm | |
Special Effects (Front) | Face fusion | HDR | |
Camera Modes (Front) | - | Panoramic selfies, AI portrait mode, AI Beautify | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9 has face detection. |
Light Source (Front) | - | Display flash | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | - | Palm shutter, AI silhouette detection |
BATTERY AND CHARGING | HTC Desire 820 | Xiaomi Redmi Note 9 |
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Battery Capacity (Battery Size) | 2600 mAh | 5020 mAh | Xiaomi Redmi Note 9 has larger battery capacity than HTC Desire 820. |
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Standby Time | 455 hours | - | |
Talk Time | 1068 minutes | 1980 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than HTC Desire 820. |
Run Time Details | Talk (WCDMA): up to 1068 min Standby (WCDMA): up to 455 hrs |
Talk: up to 1980 min Gaming: up to 16 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
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Battery Technology | Lithium polymer | Lithium polymer |
CELLULAR | HTC Desire 820 | Xiaomi Redmi Note 9 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | Android 4.4 (KitKat) | - | |
User Interface | HTC Sense | - | |
Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | HTC Desire 820 | Xiaomi Redmi Note 9 |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | VoLTE, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | |
3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
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 20, 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 1700 - 2110 AWS, 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 | IEEE 802.11a/b/g/n/ac | |
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 | Xiaomi Redmi Note 9 |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | |
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Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | MKV, XviD, M4V, MP4 | |
Sound Enhancements | HTC BoomSound | - | |
Audio Amplifier | - | Smart PA |
FEATURES | HTC Desire 820 | Xiaomi Redmi Note 9 |
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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 | |
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Sensors | Accelerometer, ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
Security Devices | - | Face recognition, 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, HyperEngine technology |
OTHERS | HTC Desire 820 | Xiaomi Redmi Note 9 |
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Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
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Compliant Standards | - | TUV Rheinland Low Blue Light Certification |