Sony Xperia U (ST25i) vs Asus 8z
Side by side comparison between Sony Xperia U vs Asus 8z 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
5.9"
AMOLED
AMOLED
1080x2400
64
MP
MP
12mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Asus 8z
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 
32 Advantages | 19 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| 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 Clear highlight📱 Model features | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Model | Xperia U (ST25i) | Asus 8z |
| Other model names | Sony Xperia U ST25, Sony Kumquat | Asus Zenfone 8z ZS590KS |
| Country or region available |  (Global, International) |  India |
| Brand | Sony | Asus |
| Release date | 5/7/2012, Announced: 2/1/2012 | 5/13/2021, Announced: 5/12/2021 |
| Depth | 12 millimeters (0.47 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 54 x 112 millimeters (2.13 x 4.41 in) | 68.5 x 148 millimeters (2.7 x 5.83 in) |
| Weight | 110 grams (3.85 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Display type | TFT LED-Backlit LCD | Super AMOLED |
| Screen size | 3.5" inches | 5.9" inches |
| Screen-to-body ratio | ~55.8% (screen-to-body ratio) | ~82.9% (screen-to-body ratio) |
| Display resolution | 480x854 pixels (16:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 4-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 280 PPI | 446 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 700nits[typ], 1100nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| System version | Android 2.3.7 Gingerbread | Android 11 |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | Android 12 |
| User Interface | feature not registered | ZenUI 8 / 9 |
⚙️ Processor | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Chipset | 32bit: ST-Ericsson NovaThor U8500 (45nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | ARM Mali-400 MP1 | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 676001 (v8), 799738 (v9) Geekbench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| RAM memory | 512MB LPDDR2 | 8GB LPDDR5 |
| Internal storage | 8GB (4GB available) | 128GB (107GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| 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 | 2000/1024 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G, 5G |
| 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 800/850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Back camera (main camera) | 5 megapixels | (dual camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF |
| Main camera resolution | 2592x1944 pixels | 10120x6328 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS (4-axis): Optical 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/video on both cameras |
| Camera extras | feature not registered | 4K@120fps 1080p@240fps 720p@480fps |
📸 Front camera | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Front camera (secondary) | 0.3 megapixels | 12 megapixels |
| Front camera resolution | 640x480 pixels | 4000x3000 pixels |
| Video recording (secondary) | VGA (640x480) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | feature not registered | 1/2.93" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz |
| 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, MKV |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| 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 | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| Battery type | Li-Ion: lithium-ion (Removable) BA600 | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1320 mAh | 4000 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| 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 (ST25i) | Asus 8z | |
| 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: Obsidian Black, Horizon Silver |
☢️ Radiation rate | ||
| Sony Xperia U (ST25i) | Asus 8z | |
| 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 |