HTC U Ultra vs. Xiaomi MI Mix 3

Phone Comparison, Reviews and Tests

In depth comparison and review of HTC U Ultra and Xiaomi MI Mix 3. 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.

Phone Specifications Comparison

HTC U Ultra vs. Xiaomi MI Mix 3 Comparison Chart
DESIGN AND DIMENSIONS HTC U Ultra Xiaomi MI Mix 3
Product Type Smartphone Smartphone
Form Factor Touch Touch slider
Height 145.99 mm 157.89 mm Xiaomi MI Mix 3 has greater height than HTC U Ultra.
Width 72.9 mm 74.69 mm Xiaomi MI Mix 3 has greater width than HTC U Ultra.
Depth 7.99 mm 8.46 mm HTC U Ultra is narrower than HTC U Ultra.
Weight 145 g 218 g HTC U Ultra is lighter than HTC U Ultra.
Body Colour Brilliant black Sapphire blue | Jade green
Body Material Metal -
Waterproof (Water-resistant) - -
SAR Value 0.48 W/kg (body), 0.4 W/kg (head) 1.568 W/kg (body), 1.448 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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY HTC U Ultra Xiaomi MI Mix 3
Display Type LCD display OLED display
Display Technology Super LCD AMOLED
Screen Size (Display Size) 5.2" 6.39" Xiaomi MI Mix 3 has larger screen size than HTC U Ultra.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi MI Mix 3 has better screen resolution than HTC U Ultra.
Display Format Full HD Full HD+
Pixel Density 428 ppi 403 ppi HTC U Ultra has better pixel density than Xiaomi MI Mix 3.
Aspect Ratio - 19.5:9
Max Brightness - 600 cd/m²
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI Mix 3 has HDR.
Display Enhancement Technology - Sunlight mode
Display Features - Always-on display, Reading mode, Colour temperature adjustment, night mode
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) -
PROCESSOR HTC U Ultra Xiaomi MI Mix 3
Processor Type (CPU) MediaTek Helio P10 Qualcomm Snapdragon 845 AIE
Clock Speed 2 GHz 2.8 GHz Xiaomi MI Mix 3 has higher clock speed than HTC U Ultra.
Processor Core Qty 8-core -
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 630
MEMORY HTC U Ultra Xiaomi MI Mix 3
RAM 3 GB LPDDR4X SDRAM - 6 GB Xiaomi MI Mix 3 has more RAM than HTC U Ultra.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Xiaomi MI Mix 3 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 -
CAMERA HTC U Ultra Xiaomi MI Mix 3
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 16 Megapixel 12 Megapixel HTC U Ultra has better camera resolution than Xiaomi MI Mix 3.
Sensor Type BSI -
Sensor Name - Sony Exmor RS IMX363 sensor
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.8 Xiaomi MI Mix 3 has better lens aperture than HTC U Ultra.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Minimum Focal Length (Focal Distance) 28 mm -
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes Burst mode, Panorama, Pro mode, Continuous shot, HYPERLAPSE, RAW mode Panorama, AI Beautify, Nightscape capture mode
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
Light Source Dual LED flash LED light
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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) at 960 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Video Pic Dual Pixel Phase Detect Auto-Focus (PDAF), AI scene and object detection, AI Dual camera, AI dynamic bokeh, AI studio lighting, AI Super Resolution, AI special effects
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Sensor Name (2nd Camera) - Samsung S5K3M3+
FRONT CAMERA
Number of Front Cameras 1 2
Sensor Resolution (Front) 16 Megapixel 24 Megapixel Xiaomi MI Mix 3 has better front camera resolution than HTC U Ultra.
Sensor Type (Front) BSI -
Sensor Name (Front) - Sony Exmor RS IMX576 sensor
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 -
Focus Adjustment Automatic -
Min Focal Length (Front) 26.5 mm -
Special Effects (Front) Live make-up Magic mirror
HDR Mode (Front) Auto HDR mode Auto HDR mode
Camera Modes (Front) Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) Bokeh Mode, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI Mix 3 has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds AI portrait mode, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) - 2 Megapixel
Sensor Name (2nd Front) - OC0A10
BATTERY AND CHARGING HTC U Ultra Xiaomi MI Mix 3
Battery Capacity (Battery Size) 2500 mAh 3200 mAh Xiaomi MI Mix 3 has larger battery capacity than HTC U Ultra.
Fast Charging Technology - Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0+ Xiaomi MI Mix 3 has fast charging technology.
Wireless Charging - Yes Xiaomi MI Mix 3 can be charged wirelessly.
Wireless Charging Standards - Qi
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
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CELLULAR HTC U Ultra Xiaomi MI Mix 3
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
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 -
Navigation GPS, GLONASS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS HTC U Ultra Xiaomi MI Mix 3
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE Advanced, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
3G UMTS Band - Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 9, Band 19
3G UMTS Frequency - 2100, 1900, 1800, 1700, 850, 800, 900, 1700, 800
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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66
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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA HTC U Ultra Xiaomi MI Mix 3
Supported Digital Audio Standards WAV, AAC, MP3, FLAC, OGG, M4A, MID WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB
Supported Digital Video Standards MKV, MPEG-4, 3GP, TS, WebM MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP
Sound Enhancements HTC BoomSound Hi-Fi Edition -
FEATURES HTC U Ultra Xiaomi MI Mix 3
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, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor
Security Devices Fingerprint reader Fingerprint reader
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 MIMO technology, MU-MIMO technology
OTHERS HTC U Ultra Xiaomi MI Mix 3
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable, Xiaomi wireless charger
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