In depth comparison and review of HTC U Ultra and Xiaomi MI A3. 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 U Ultra | Xiaomi MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 145.99 mm | 153.48 mm | Xiaomi MI A3 has greater height than HTC U Ultra. |
| Width | 72.9 mm | 71.85 mm | HTC U Ultra has greater width than Xiaomi MI A3. |
| Depth | 7.99 mm | 8.475 mm | HTC U Ultra is narrower than HTC U Ultra. |
| Weight | 145 g | 173.8 g | HTC U Ultra is lighter than HTC U Ultra. |
| Body Colour | Brilliant black | Kind of grey | |
| Body Material | Metal | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.48 W/kg (body), 0.4 W/kg (head) | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | |
| Connector Type | Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | HTC U Ultra | Xiaomi MI A3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super LCD | AMOLED | |
| Screen Size (Display Size) | 5.2" | 6.088" | Xiaomi MI A3 has larger screen size than HTC U Ultra. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1560 x 720 pixels | HTC U Ultra has better screen resolution than Xiaomi MI A3. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 428 ppi | - | |
| Aspect Ratio | - | 19.5:9 | |
| Contrast Ratio | - | 60000:1 | |
| Display Features | - | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | HTC U Ultra | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| 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 610 |
| MEMORY | HTC U Ultra | Xiaomi MI A3 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI A3 has more RAM than HTC U Ultra. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi MI A3 has more internal memory than HTC U Ultra. |
| User Memory | 22.8 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | Up to 256 GB |
| CAMERA | HTC U Ultra | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than HTC U Ultra. |
| Sensor Size | - | 1/2" | |
| Sensor Type | BSI | - | |
| Lens Aperture | F/2.0 | F/1.79 | Xiaomi MI A3 has better lens aperture than HTC U Ultra. |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1.6 μm | |
| 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 | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode | AI portrait mode | |
| Face Recognition (Face ID) | Face detection | - | HTC U Ultra has face detection. |
| Light Source | Dual LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 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 | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Video Pic | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than HTC U Ultra. |
| Sensor Type (Front) | BSI | - | |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | Automatic | Focus free | |
| Min Focal Length (Front) | 26.5 mm | - | |
| Special Effects (Front) | Live make-up | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) | Selfie panorama, AI portrait mode, AI Beautify | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| BATTERY AND CHARGING | HTC U Ultra | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 2500 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than HTC U Ultra. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
| Standby Time | 427.54 hours | - | |
| Talk Time | 912 minutes | - | |
| Run Time Details | Talk (3G): up to 912 min Standby (3G): up to 427.54 hrs |
- |
| CELLULAR | HTC U Ultra | Xiaomi MI A3 |
|---|
| 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) | - | |
| User Interface | HTC Sense | - | |
| Intelligent Assistant | HTC Sense Companion | Google Assistant | |
| Navigation | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | HTC U Ultra | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-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 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 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300 | 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/ac | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | Yes | - | HTC U Ultra has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC U Ultra | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | WAV, AAC, MP3, FLAC, OGG, M4A, MID | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG-4, 3GP, TS, WebM | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 | |
| Sound Enhancements | HTC BoomSound Hi-Fi Edition | - |
| FEATURES | HTC U Ultra | Xiaomi MI A3 |
|---|
| 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, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | 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 | AI face unlock |
| OTHERS | HTC U Ultra | Xiaomi MI A3 |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable, soft case |
|---|
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