Sony Xperia U (ST25a) vs Infinix Hot 40 Pro (128GB)

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Side by side comparison between Sony Xperia U vs Infinix Hot 40 Pro phones, differences, pros, cons and full specifications. What's the better?

6/8/2025 5:46 AM, updated: 6/8/2025 8:48 AM

Compare Infinix Hot 40 Pro X Sony Xperia U (ST25a) 05Points

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

30Points Infinix Hot 40 Pro (128GB) Compare Sony Xperia U X

Specifications Compare Models Pictures

6.78"
IPS

1080x2460

108
MP

32mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Infinix Hot 40 Pro (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!

5 Advantages Sony Xperia U (ST25a)	vs	30 Advantages Infinix Hot 40 Pro (128GB)
+110 grams (3.85 ounces)81% Lighter	vs	199 grams (6.97 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+Scratch-resistant glassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1GHz 32bit Dual-core (45nm)	vs	+2.2GHz 64bit Octa-core (6nm)3 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+8GB LPDDR4X15 times More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)	vs	+128GB (103GB available)25 times More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+8.3 millimeters (0.33 inches)45% Thinner
TFT LED-Backlit LCD	vs	+LTPS IPS LCDAdvantage LTPS IPS LCD display is brighter and more vivid
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
480x854 pixels	vs	+1080x2460 pixels5 times Higher resolution screen
280 PPI	vs	+396 PPI41% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"	vs	+6.78"94% Larger screen
(back) 5MP	vs	+(triple camera) 108MP + 2MP + 0.08MP21 times Higher resolution main camera
LED flash	vs	+Quad-LED on main camera and Dual-LED on front cameraAdvantage The Quad-LED on main camera and Dual-LED on front camera helps in dark places or in low light
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 0.3MP	vs	+(front) 32MP103 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+2K UHD (2560x1440)3 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 13Advantage Android 13 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) 150 Mbps9 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 (side-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1320 mAh	vs	+5000 mAh3 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) (dedicated slot)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

18 Common items in both devices

Plastic body, glass front

16 million

Only digital zoom

Autofocus

EIS: Digital stabilization

Capacitive

Multitouch

+11 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)	Infinix Hot 40 Pro (128GB)
Change model		Choose the model
Model	Xperia U (ST25a)	Hot 40 Pro (128GB)
Other model names	Sony Xperia U ST25, Sony Kumquat	Infinix Hot 40 Pro Free Fire X6837
Country or region available	(Latin America), Brazil, Canada, USA	(Global, International)
Brand	Sony	Infinix
Release date	5/7/2012	12/1/2023, Announced: 12/5/2023
Depth	12 millimeters (0.47 inches)	8.3 millimeters (0.33 inches)
Size (width x height)	54 x 112 millimeters (2.13 x 4.41 in)	76.6 x 168.6 millimeters (3.02 x 6.64 in)
Weight	110 grams (3.85 ounces)	199 grams (6.97 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Display type	TFT LED-Backlit LCD	LTPS IPS LCD
Screen size	3.5" inches	6.78" inches
Screen-to-body ratio	~55.8% (screen-to-body ratio)	~84.5% (screen-to-body ratio)
Display resolution	480x854 pixels (16:9)	1080x2460 pixels
Touchscreen	Capacitive Multitouch 4-points	Capacitive Multitouch
Pixel density (dot pitch)	280 PPI	396 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Not supported
Refresh rate	60Hz	120Hz
Display features	Not supported	500nits[peak] Touch Sampling Rate: 240Hz
🤖 Operating System
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
System version	Android 2.3.7 Gingerbread	Android 13
Firmware update	Android 4.0.4 Ice Cream Sandwich ICS	feature not registered
User Interface	feature not registered	XOS 13.5
⚙️ Processor
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Chipset	32bit: ST-Ericsson NovaThor U8500 (45nm)	64bit: MediaTek Helio G99 (6nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controller	ARM Mali-400 MP1	ARM Mali-G57 MC2
Performance (benchmark)	feature not registered	AnTuTu: 428549 (v10) Geekbench: 1975 (v6)
💽 Memory and storage
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
RAM memory	512MB LPDDR2	8GB LPDDR4X
Internal storage	8GB (4GB available)	128GB (103GB available) UFS 2.2
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
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	150/150 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 Cat4 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Back camera (main camera)	5 megapixels	(triple camera) 108 megapixels 2MP macro f/2.4 0.08MP AI f/2.0
Main camera resolution	2592x1944 pixels	12000x9000 pixels
Video recording (primary)	HD (1280x720) 30 fps	2K UHD (2560x1440) 30 fps
Flash	LED flash	Quad-LED on main camera and Dual-LED on front camera
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	0.64µm pixel
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	1440p@30fps 1080p@30fps
📸 Front camera
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Front camera (secondary)	0.3 megapixels	32 megapixels
Front camera resolution	640x480 pixels	6528x4896 pixels
Video recording (secondary)	VGA (640x480)	Full HD (1920x1080)
Front flash	Not supported	Dual-LED
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	feature not registered
🔉 Sound and multimedia
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Loudspeaker	Supported	Stereo sound with dual speakers 24-bit/192kHz Hi-Res audio
Active noise cancellation	2 microphones or more	1 microphone
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, MKV
Audio formats	MP3, eAAC+, WMA, WAV	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (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	USB Type-C (reversible)
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
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
Battery type	Li-Ion: lithium-ion (Removable) BA600	LiPo: li-ion polymer (Non removable)
Battery capacity	1320 mAh	5000 mAh
Charger, watts	Wired charging	33W Wired fast charging Reverse charging by cable
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	5.6 hours	feature not registered
Standby	472 hours (19.7 days)	feature not registered
➕ Other features
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (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: Starlit Black, Palm Blue, Horizon Gold, Starfall Green • Magic Ring
☢️ Radiation rate
	Sony Xperia U (ST25a)	Infinix Hot 40 Pro (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 0.93W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.62W/kg (head)	feature not registered