Detailed comparison and review of HTC Desire 820 and Xiaomi Redmi Note 9S. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
DESIGN AND DIMENSIONS | HTC Desire 820 | Xiaomi Redmi Note 9S |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 157.7 mm | 165.75 mm | Xiaomi Redmi Note 9S has greater height than HTC Desire 820. |
Width | 78.74 mm | 76.68 mm | HTC Desire 820 has greater width than Xiaomi Redmi Note 9S. |
Depth | 7.74 mm | 8.8 mm | HTC Desire 820 is narrower than HTC Desire 820. |
Weight | 155 g | 209 g | HTC Desire 820 is lighter than HTC Desire 820. |
Body Colour | Tuxedo grey | Marble white | Aurora blue | |
Body Material | Polycarbonate | Curved 3D glass, Gorilla glass 5 | |
Protection | - | Dustproof, splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | 0.98 W/kg (body), 0.72 W/kg (head), 2.35 W/kg (limb) | |
Integrated Components | FM radio | Ultra-linear speakers | |
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 9S |
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Display Type | LCD display | LCD display | |
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Display Technology | Super LCD 2 | - | |
Screen Size (Display Size) | 5.5" | 6.67" | Xiaomi Redmi Note 9S has larger screen size than HTC Desire 820. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 9S has better screen resolution than HTC Desire 820. |
Display Format | HD | Full HD+ | |
Pixel Density | 267 ppi | - | |
Colour Depth | 16.7 million colours | - | |
Contrast Ratio | - | 1500:1 | |
HDR | - | Yes | Xiaomi Redmi Note 9S has HDR. |
Display Features | - | Reading mode 2.0, Dot Display | |
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 9S |
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Processor Type (CPU) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 720G | |
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Clock Speed | - | 2.3 GHz | |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | - | Yes | Xiaomi Redmi Note 9S has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 405 | Qualcomm ADRENO 618 |
MEMORY | HTC Desire 820 | Xiaomi Redmi Note 9S |
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RAM | 2 GB | 4 GB | Xiaomi Redmi Note 9S has more RAM than HTC Desire 820. |
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Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi Redmi Note 9S 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 512 GB |
CAMERA | HTC Desire 820 | Xiaomi Redmi Note 9S |
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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 9S 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 9S has better lens aperture than HTC Desire 820. |
Lens Construction | - | 6-element | |
Field of View (FoV) | - | 79 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 | Dual LED flash | |
Still Image Resolutions | 4160 x 3120 | 8000 x 6000 | |
Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 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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Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | - | F/2.2 | |
Field of View (2nd Camera) | - | 119 degree(s) | |
Pixel Size (2nd Camera) | - | 1.12 μm |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.12 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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Lens Aperture (4th Camera) | - | F/2.4 | |
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 | 16 Megapixel | Xiaomi Redmi Note 9S has better front camera resolution than HTC Desire 820. |
Sensor Type (Front) | BSI-CMOS | - | |
Lens Aperture (Front) | - | F/2.48 | |
Pixel Size (Front) | - | 1 μm | |
Special Effects (Front) | Face fusion | HDR | |
Camera Modes (Front) | - | Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9S has face detection. |
Light Source (Front) | - | Display flash | |
Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
Camera Features (Front) | - | AI scene detection, Palm shutter, AI silhouette detection |
BATTERY AND CHARGING | HTC Desire 820 | Xiaomi Redmi Note 9S |
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Battery Capacity (Battery Size) | 2600 mAh | 5020 mAh | Xiaomi Redmi Note 9S 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 9S 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 13 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
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Battery Technology | Lithium polymer | Lithium Ion |
CELLULAR | HTC Desire 820 | Xiaomi Redmi Note 9S |
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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 | MIUI 10 | |
Payment Technology | - | Google Pay | |
Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | HTC Desire 820 | Xiaomi Redmi Note 9S |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 | |
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 | |
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 | SMS, MMS |
MEDIA | HTC Desire 820 | Xiaomi Redmi Note 9S |
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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), MP4 | |
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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 9S |
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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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor | |
Security Devices | - | Face recognition, fingerprint reader (side) | |
Security Technology | - | A.I. face recognition | |
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, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor |
OTHERS | HTC Desire 820 | Xiaomi Redmi Note 9S |
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Included Accessories | Power adapter | Protective cover, SIM card removal tool, USB-C cable, 18W charger | |
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Compliant Standards | - | TUV Rheinland |