In depth comparison and review of HTC One (A9) and Xiaomi MI A2. 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 One (A9) | Xiaomi MI A2 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 145.75 mm | 158.7 mm | Xiaomi MI A2 has greater height than HTC One (A9). |
| Width | 70.8 mm | 75.4 mm | Xiaomi MI A2 has greater width than HTC One (A9). |
| Depth | 7.26 mm | 7.3 mm | HTC One (A9) is narrower than HTC One (A9). |
| Weight | 143 g | 168 g | HTC One (A9) is lighter than HTC One (A9). |
| Body Colour | Topaz gold | Opal silver | Carbon grey | Black | Lake blue | Gold | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.41 W/kg | 0.639 W/kg (body), 0.963 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | HTC One (A9) | Xiaomi MI A2 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | IPS | |
| Screen Size (Display Size) | 5" | 5.99" | Xiaomi MI A2 has larger screen size than HTC One (A9). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2160 x 1080 pixels | Xiaomi MI A2 has better screen resolution than HTC One (A9). |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 440 ppi | 403 ppi | HTC One (A9) has better pixel density than Xiaomi MI A2. |
| Aspect Ratio | - | 18:9 | |
| Contrast Ratio | - | 1500:1 | |
| Display Features | - | 2.5D curved glass | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | HTC One (A9) | Xiaomi MI A2 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 617 | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Clock Speed | 1.5 GHz | 2.2 GHz | Xiaomi MI A2 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 | - | HTC One (A9) has 64-bit architecture. |
| MEMORY | HTC One (A9) | Xiaomi MI A2 |
|---|
| RAM | 2 GB | 4 GB | Xiaomi MI A2 has more RAM than HTC One (A9). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Xiaomi MI A2 has more internal memory than HTC One (A9). |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | - |
| CAMERA | HTC One (A9) | Xiaomi MI A2 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 20 Megapixel | Xiaomi MI A2 has better camera resolution than HTC One (A9). |
| Sensor Size | - | 1/2.8" | |
| Sensor Type | BSI-CMOS | - | |
| Sensor Name | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture | F/2.0 | F/1.75 | Xiaomi MI A2 has better lens aperture than HTC One (A9). |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | HTC One (A9) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, Beautify 4.0 | |
| Camera Modes | Pro mode | Burst mode, Panorama, portrait mode, AI portrait mode, group selfi mode, AI Beauty | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 720 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover | Phase Detect Auto-Focus (PDAF), AI Dual camera, 4-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/2.9" | |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX486 sensor | |
| Lens Aperture (2nd Camera) | - | F/1.75 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 4 Megapixel | 20 Megapixel | Xiaomi MI A2 has better front camera resolution than HTC One (A9). |
| Sensor Name (Front) | - | Sony Exmor RS IMX376 sensor | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | HTC One (A9) has better front lens aperture than HTC One (A9). |
| Focus Adjustment | Focus free | Automatic | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi MI A2 has face detection. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | HTC UltraPixel Camera | AI-powered portrait mode |
| BATTERY AND CHARGING | HTC One (A9) | Xiaomi MI A2 |
|---|
| Battery Capacity (Battery Size) | 2150 mAh | 3010 mAh | Xiaomi MI A2 has larger battery capacity than HTC One (A9). |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A2 has fast charging technology. |
| Standby Time | 432 hours | - | |
| Talk Time | 960 minutes | - | |
| 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 |
- | |
| Battery Technology | Lithium polymer | Lithium Ion |
| CELLULAR | HTC One (A9) | Xiaomi MI A2 |
|---|
| 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 One | |
| User Interface | HTC Sense | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | HTC One (A9) | Xiaomi MI A2 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 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 38, Band 40 | |
| 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, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| NFC | Yes | - | HTC One (A9) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC One (A9) | Xiaomi MI A2 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, M4A, EC3 | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, MIDI, MP4, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, MPEG-4, WMV, 3GP, 3G2 | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | |
| Sound Enhancements | Dolby sound technology | - |
| FEATURES | HTC One (A9) | Xiaomi MI A2 |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | DLNA Certified, HTC BlinkFeed, Hi-Res Audio, Android Sensor Hub | Wi-Fi Miracast, AI Engine |
| OTHERS | HTC One (A9) | Xiaomi MI A2 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, clear soft case, Type-C to audio converter |
|---|
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