Sony Xperia U (ST25i) vs Sony Xperia XZ2 Premium (SOV38)
Side by side comparison between Sony Xperia U vs Sony Xperia XZ2 Premium phones, differences, pros, cons and full specifications. What's the better?
,
3.5"
LED
LED
480x854
5
MP
MP
0.3mp
512MB
RAM
RAM
Dual-core
1320
mAh
mAh
(Removable)
vs
5.8"
IPS
IPS
2160x3840
19.2
MP
MP
13mp
6GB
RAM
RAM
Octa-core
3540
mAh
mAh
(Non removable)
What's the better phone? Sony Xperia XZ2 Premium (SOV38)
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!
4 Advantages 
31 Advantages | 18 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / LDAF/PDAF: laser/phase detection 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 Clear highlight📱 Model features | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Model | Xperia U (ST25i) | Xperia XZ2 Premium (SOV38) |
| Other model names | Sony Xperia U ST25, Sony Kumquat | KDDI Corporation Sony Xperia XZ2 Premium, Sony PF12 |
| Country or region available |  (Global, International) |  Japan |
| Brand | Sony | Sony |
| Release date | 5/7/2012, Announced: 2/1/2012 | 7/30/2018 |
| Depth | 12 millimeters (0.47 inches) | 11.9 millimeters (0.47 inches) |
| Size (width x height) | 54 x 112 millimeters (2.13 x 4.41 in) | 80 x 158 millimeters (3.15 x 6.22 in) |
| Weight | 110 grams (3.85 ounces) | 236 grams (8.26 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | Waterproof (IP?) |
📲 Display | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Display type | TFT LED-Backlit LCD | TFT IPS LCD |
| Screen size | 3.5" inches | 5.8" inches |
| Screen-to-body ratio | ~55.8% (screen-to-body ratio) | ~73.4% (screen-to-body ratio) |
| Display resolution | 480x854 pixels (16:9) | 2160x3840 pixels |
| Touchscreen | Capacitive Multitouch 4-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 280 PPI | 760 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 5 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| System version | Android 2.3.7 Gingerbread | Android 8.0 Oreo |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Chipset | 32bit: ST-Ericsson NovaThor U8500 (45nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Octa-core, 2 processors: 4x 2.7GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-400 MP1 | Qualcomm Adreno 630 710Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| RAM memory | 512MB LPDDR2 | 6GB LPDDR4 |
| Internal storage | 8GB (4GB available) | 64GB (50GB available) |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 14.4/5.76 Mbps | 1200/150 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 900/2100 | UMTS 800/850/2100 |
| Primary 4G network | Not supported | LTE Cat18 (Bands 1,3,5,7,13,17,18,26,28) TD-LTE (Bands 38,39,40,41) 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 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Back camera (main camera) | 5 megapixels | (dual camera) 19.2 megapixels 12MP mono f/1.61/2.3" |
| Main camera resolution | 2592x1944 pixels | 5056x3792 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 25mm (lens) |
| Sensor size | feature not registered | 1/2.3" inches |
| Pixel size | feature not registered | 1.22µm pixel |
| Autofocus | Autofocus | LDAF/PDAF: laser/phase detection 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 | Not supported |
| HDR | Not supported | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Front camera (secondary) | 0.3 megapixels | 13 megapixels |
| Front camera resolution | 640x480 pixels | 4128x3096 pixels |
| Video recording (secondary) | VGA (640x480) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 22mm (lens) |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Digital TV FullSeg |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.265, H.264, H.263, DivX, XviD |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| 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 | 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 (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| Battery type | Li-Ion: lithium-ion (Removable) BA600 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1320 mAh | 3540 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | Qi wireless charging |
| Talk time autonomy | 5.6 hours | feature not registered |
| Standby | 472 hours (19.7 days) | feature not registered |
➕ Other features | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| 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: Chrome Black, Chrome Silver • HDR10 display • Triluminos display • X-Reality Engine • Quick Charge 3.0 • 24-bit/192kHz audio • WiFi miracast • IP68 certified: dust/water proof up to 1.5m for 30min |
☢️ Radiation rate | ||
| Sony Xperia U (ST25i) | Sony Xperia XZ2 Premium (SOV38) | |
| 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 |