Sony Xperia U (ST25a) vs Xiaomi Mi 9T (128GB)

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Side by side comparison between Sony Xperia U vs Xiaomi Mi 9T phones, differences, pros, cons and full specifications. What's the better?

7/29/2019 10:05 PM, updated: 11/10/2021 4:36 PM

Compare Xiaomi Mi 9T X Sony Xperia U (ST25a) 03Points

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

30Points Xiaomi Mi 9T (128GB) Compare Sony Xperia U X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9T (128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

3 Advantages Sony Xperia U (ST25a)	vs	30 Advantages Xiaomi Mi 9T (128GB)
+110 grams (3.85 ounces)74% Lighter	vs	191 grams (6.69 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1GHz 32bit Dual-core (45nm)	vs	+2.2GHz 64bit Octa-core (8nm)3 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+6GB LPDDR4X11 times More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)	vs	+128GB (109GB available)26 times More internal storage for applications and files
12 millimeters (0.47 inches)	vs	+8.8 millimeters (0.35 inches)36% Thinner
Plastic body, glass front	vs	+Aluminum frame, glass front/backAdvantage More resistant material
TFT LED-Backlit LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
Not supported	vs	+HDR10Advantage The HDR10 display provides vibrant colors and more details
480x854 pixels	vs	+1080x2340 pixels5 times Higher resolution screen
280 PPI	vs	+403 PPI44% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"	vs	+6.39"83% Larger screen
(back) 5MP	vs	+(triple camera) 48MP + 8MP + 13MP13 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 0.3MP	vs	+(front) 20MP64 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+4K UHD (3840x2160)8 times More image quality for recording videos with the primary camera
(front) VGA (640x480)	vs	+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera
Android 4.0.4 Ice Cream Sandwich ICS	vs	+Android 10Advantage Android 10 is newer and safer
3G HSUPA	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G HSUPA) 14.4 Mbps	vs	+(4G LTE-A) 800 Mbps55 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1320 mAh	vs	+4000 mAh2 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

19 Common items in both devices

60Hz

16 million

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

Capacitive

Multitouch

Accelerometer

+12 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Change model		Choose the model
Model	Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Other model names	Sony Xperia U ST25, Sony Kumquat	Xiaomi Mi 9T (Global version) M1903F10G, Xiaomi Redmi K20
Country or region available	(Latin America), Brazil, Canada, USA	(Global, International), (Europe), Hong Kong, Taiwan
Brand	Sony	Xiaomi
Release date	5/7/2012	6/1/2019
Depth	12 millimeters (0.47 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	54 x 112 millimeters (2.13 x 4.41 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	110 grams (3.85 ounces)	191 grams (6.69 ounces)
Build, materials	Plastic body, glass front	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Display type	TFT LED-Backlit LCD	AMOLED
Screen size	3.5" inches	6.39" inches
Screen-to-body ratio	~55.8% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	480x854 pixels (16:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 4-points	Capacitive Multitouch
Pixel density (dot pitch)	280 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Not supported	600nits[typ] HDR10
🤖 Operating System
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
System version	Android 2.3.7 Gingerbread	Android 9.0 Pie
Firmware update	Android 4.0.4 Ice Cream Sandwich ICS	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Chipset	32bit: ST-Ericsson NovaThor U8500 (45nm)	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)
GPU graphical controller	ARM Mali-400 MP1	Qualcomm Adreno 618 (610MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
RAM memory	512MB LPDDR2	6GB LPDDR4X
Internal storage	8GB (4GB available)	128GB (109GB available) UFS 2.1
External storage	Not supported	Not supported
📶 Mobile networks
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	14.4/5.76 Mbps	800/150 Mbps
Network technology	2G, 3G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Back camera (main camera)	5 megapixels	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm
Main camera resolution	2592x1944 pixels	8000x6000 pixels
Video recording (primary)	HD (1280x720) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Front camera (secondary)	0.3 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	640x480 pixels	5184x3840 pixels
Video recording (secondary)	VGA (640x480)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.263, H.264, WMV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, eAAC+, WMA, WAV	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	2.1 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Battery type	Li-Ion: lithium-ion (Removable) BA600	LiPo: li-ion polymer (Non removable)
Battery capacity	1320 mAh	4000 mAh
Charger, watts	Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	5.6 hours	feature not registered
Standby	472 hours (19.7 days)	feature not registered
➕ Other features
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	Sony Xperia U (ST25a)	Xiaomi Mi 9T (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 0.93W/kg (body)	1.34W/kg (head), 1.51W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	1.62W/kg (head)	feature not registered