HTC One (A9) vs. Xiaomi Redmi Note 9 Pro

Phone Comparison, Reviews and Tests

Side by side comparison and review of HTC One (A9) and Xiaomi Redmi Note 9 Pro. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

HTC One (A9) vs. Xiaomi Redmi Note 9 Pro Comparison Chart
DESIGN AND DIMENSIONS HTC One (A9) Xiaomi Redmi Note 9 Pro
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 145.75 mm 165.75 mm Xiaomi Redmi Note 9 Pro has greater height than HTC One (A9).
Width 70.8 mm 76.68 mm Xiaomi Redmi Note 9 Pro has greater width than HTC One (A9).
Depth 7.26 mm 8.8 mm HTC One (A9) is narrower than HTC One (A9).
Weight 143 g 209 g HTC One (A9) is lighter than HTC One (A9).
Body Colour Topaz gold | Opal silver | Carbon grey Interstellar grey | Tropical green
Body Material - Curved 3D glass, Gorilla glass 5
Protection - Splashproof
Waterproof (Water-resistant) - -
SAR Value 0.41 W/kg 2.07 W/kg (limb), 1.021 W/kg (body), 0.662 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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty - Dual-SIM
DISPLAY HTC One (A9) Xiaomi Redmi Note 9 Pro
Display Type OLED display LCD display
Display Technology AMOLED -
Screen Size (Display Size) 5" 6.67" Xiaomi Redmi Note 9 Pro has larger screen size than HTC One (A9).
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Xiaomi Redmi Note 9 Pro has better screen resolution than HTC One (A9).
Display Format Full HD Full HD+
Pixel Density 440 ppi -
Max Brightness - 450 cd/m²
Contrast Ratio - 1500:1
Display Features - Reading mode 2.0, Dot Display
Display Protection (Screen Protector) Corning Gorilla Glass 4 (scratch resistant glass) Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR HTC One (A9) Xiaomi Redmi Note 9 Pro
Processor Type (CPU) Qualcomm Snapdragon 617 Qualcomm Snapdragon 720G
Clock Speed 1.5 GHz 2.3 GHz Xiaomi Redmi Note 9 Pro has higher clock speed than HTC One (A9).
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 618
MEMORY HTC One (A9) Xiaomi Redmi Note 9 Pro
RAM 2 GB 6 GB Xiaomi Redmi Note 9 Pro has more RAM than HTC One (A9).
Internal Memory Size (Storage Capacity) 16 GB 64 GB Xiaomi Redmi Note 9 Pro has more internal memory than HTC One (A9).
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB microSDHC, microSDXC - up to 512 GB
CAMERA HTC One (A9) Xiaomi Redmi Note 9 Pro
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 13 Megapixel 64 Megapixel Xiaomi Redmi Note 9 Pro has better camera resolution than HTC One (A9).
Sensor Size - 1/1.72"
Sensor Type BSI-CMOS -
Lens Aperture F/2.0 F/1.89 Xiaomi Redmi Note 9 Pro has better lens aperture than HTC One (A9).
Lens Construction - 6-element
Field of View (FoV) - 79.8 degree(s)
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - HTC One (A9) has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects - HDR, Kaleidoscope
Camera Modes Pro 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 recognition Xiaomi Redmi Note 9 Pro has face detection.
Light Source LED light Flash
Still Image Resolutions - 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) Sapphire crystal lens cover 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, AI Quad camera, Steady handheld night photography, full screen frame, AI watermark
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
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) - 119 degree(s)
Pixel Size (2nd Camera) - 1.12 μm
Camera Features (2nd Camera) - 5-piece lens
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Sensor Size (3rd Camera) - 1/5"
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
Sensor Resolution (4th Camera) - 2 Megapixel
Sensor Size (4th Camera) - 1/5"
Lens Aperture (4th Camera) - F/2.4
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 4 Megapixel 16 Megapixel Xiaomi Redmi Note 9 Pro has better front camera resolution than HTC One (A9).
Sensor Size (Front) - 1/3.06"
Lens Aperture (Front) F/2.0 F/2.48 HTC One (A9) has better front lens aperture than HTC One (A9).
Field of View (Front) - 82.4 degree(s)
Pixel Size (Front) - 1 μm
Focus Adjustment Focus free -
Special Effects (Front) - HDR
Camera Modes (Front) - Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie
Face Recognition (Face ID) - Face recognition Xiaomi Redmi Note 9 Pro has face detection.
Light Source (Front) - Display flash
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) HTC UltraPixel Camera AI scene detection, Palm shutter, AI silhouette detection
BATTERY AND CHARGING HTC One (A9) Xiaomi Redmi Note 9 Pro
Battery Capacity (Battery Size) 2150 mAh 5020 mAh Xiaomi Redmi Note 9 Pro has larger battery capacity than HTC One (A9).
Fast Charging Technology - Qualcomm Quick Charge 4.0 Xiaomi Redmi Note 9 Pro has fast charging technology.
Standby Time 432 hours -
Talk Time 960 minutes 1980 minutes Xiaomi Redmi Note 9 Pro has longer battery life when making calls than HTC One (A9).
Run Time Details Talk (WCDMA): up to 960 min
Standby (WCDMA): up to 432 hrs
Active online usage (Wi-Fi): up to 9 hrs
Playback (audio): up to 60 hrs
Playback (video): up to 12 hrs
Talk: up to 1980 min
Gaming: up to 13 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Battery Technology Lithium polymer Lithium Ion
CELLULAR HTC One (A9) Xiaomi Redmi Note 9 Pro
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0 (Marshmallow) Android 10
User Interface HTC Sense MIUI 11
Payment Technology - Google Pay
Navigation GPS, GLONASS GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS HTC One (A9) Xiaomi Redmi Note 9 Pro
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
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 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 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 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 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/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA HTC One (A9) Xiaomi Redmi Note 9 Pro
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, M4A, EC3 WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio)
Supported Digital Video Standards MKV, AVI, MPEG-4, WMV, 3GP, 3G2 MKV, XviD, M4V, MP4
Sound Enhancements Dolby sound technology -
Audio Amplifier - Smart PA
FEATURES HTC One (A9) Xiaomi Redmi Note 9 Pro
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Ambient light sensor, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor Accelerometer, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor
Security Devices Fingerprint reader Face recognition, fingerprint reader (side)
Additional Phone Features DLNA Certified, HTC BlinkFeed, Hi-Res Audio, Android Sensor Hub Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor
OTHERS HTC One (A9) Xiaomi Redmi Note 9 Pro
Included Accessories Power adapter Protective cover, SIM card removal tool, USB-C cable, 33W charger
Compliant Standards - TUV Rheinland Low Blue Light Certification
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