Oppo Find X (256GB) vs Sony Xperia U (ST25i)

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Side by side comparison between Oppo Find X vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?

7/16/2018 2:47 PM, updated: 6/9/2025 11:20 PM

Compare Sony Xperia U X Oppo Find X (256GB) 29Points

Specifications Compare Models Pictures

6.42"
AMOLED

1080x2340

16
MP

25mp

8GB
RAM

Octa-core

3730
mAh

(Non removable)

05Points Sony Xperia U (ST25i) Compare Oppo Find X X

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

What's the better phone? Oppo Find X (256GB)

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!

29 Advantages Oppo Find X (256GB)	vs	5 Advantages Sony Xperia U (ST25i)
+2.8GHz 64bit Octa-core (10nm)4 times More powerful processor, you can open your applications faster	vs	1GHz 32bit Dual-core (45nm)
+8GB LPDDR4X15 times More RAM memory. Typically more responsive and better for multitasking.	vs	512MB LPDDR2
+256GB (243GB available)60 times More internal storage for applications and files	vs	8GB (4GB available)
+9.4 millimeters (0.37 inches)28% Thinner	vs	12 millimeters (0.47 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT LED-Backlit LCD
+1080x2340 pixels5 times Higher resolution screen	vs	480x854 pixels
+401 PPI43% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	280 PPI
+6.42"83% Larger screen	vs	3.5"
+(dual camera) 16MP + 20MP6 times Higher resolution main camera	vs	(back) 5MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+(front) 25MP80 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 0.3MP
+4K UHD (3840x2160)8 times More image quality for recording videos with the primary camera	vs	HD (1280x720)
+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera	vs	(front) VGA (640x480)
+Android 10Advantage Android 10 is newer and safer	vs	Android 4.0.4 Ice Cream Sandwich ICS
+4G LTE-AAdvantage The 4G LTE-A network is newer and faster	vs	3G HSUPA
+(4G LTE-A) 1024 Mbps70 times Faster for surfing the internet and download files	vs	(3G HSUPA) 14.4 Mbps
+Face unlock 3DAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+3730 mAh183% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1320 mAh
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	2.1 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
186 grams (6.51 ounces)	vs	+110 grams (3.85 ounces)69% Lighter
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

17 Common items in both devices

60Hz

16 million

Only digital zoom

PDAF: phase detection autofocus / Autofocus

Capacitive

Multitouch

Accelerometer

+10 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
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Change model		Choose the model
Model	Find X (256GB)	Xperia U (ST25i)
Other model names	BBK Oppo Find X PAFM00, PAFT00	Sony Xperia U ST25, Sony Kumquat
Country or region available	(Global, International), China, Hong Kong	(Global, International)
Brand	Oppo	Sony
Release date	7/1/2018	5/7/2012, Announced: 2/1/2012
Depth	9.4 millimeters (0.37 inches)	12 millimeters (0.47 inches)
Size (width x height)	74.2 x 156.7 millimeters (2.92 x 6.17 in)	54 x 112 millimeters (2.13 x 4.41 in)
Weight	186 grams (6.51 ounces)	110 grams (3.85 ounces)
Build, materials	Aluminum frame, glass front/back Back: Gorilla Glass 5	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Display type	AMOLED	TFT LED-Backlit LCD
Screen size	6.42" inches	3.5" inches
Screen-to-body ratio	~87% (screen-to-body ratio)	~55.8% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	480x854 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 4-points
Pixel density (dot pitch)	401 PPI	280 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Scratch-resistant glass
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
System version	Android 8.1 Oreo	Android 2.3.7 Gingerbread
Firmware update	Android 10	Android 4.0.4 Ice Cream Sandwich ICS
User Interface	ColorOS 5.1 / 7.0	feature not registered
⚙️ Processor
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Chipset	64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)	32bit: ST-Ericsson NovaThor U8500 (45nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)
GPU graphical controller	Qualcomm Adreno 630 (710MHz)	ARM Mali-400 MP1
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
RAM memory	8GB LPDDR4X	512MB LPDDR2
Internal storage	256GB (243GB available) UFS 2.1	8GB (4GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	1024/150 Mbps	14.4/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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	CDMA 800, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 900/2100
Primary 4G network	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 66) TD-LTE (34, 38, 39, 40, 41)	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	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	GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Back camera (main camera)	(dual camera) 16 megapixels 20MP f/2.01/2.8"1.0µm	5 megapixels
Main camera resolution	4608x3456 pixels	2592x1944 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	HD (1280x720) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/2.6" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo on both cameras	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Front camera (secondary)	25 megapixels *Motorized pop-up camera (slider)	0.3 megapixels
Front camera resolution	5760x4320 pixels	640x480 pixels
Video recording (secondary)	Full HD (1920x1080)	VGA (640x480)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD	MP4, H.263, H.264, WMV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, eAAC+, WMA, WAV
🔌 Connectivity
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	2.1 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 3D Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) BA600
Battery capacity	3730 mAh	1320 mAh
Charger, watts	50W Wired fast charging VOOC 3.0	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	5.6 hours
Standby	feature not registered	472 hours (19.7 days)
➕ Other features
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
Call control	Voice dialing, Voice recorder	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, HTML5	HTML, XHTML, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Bordeaux Red, Glacier Blue	• 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
☢️ Radiation rate
	Oppo Find X (256GB)	Sony Xperia U (ST25i)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.09W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.62W/kg (head)