| Model and physical features | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Model | Xperia Arc S LT18i | Xperia acro HD SO-03D |
| Also known as | Sony Xperia Arc S LT18, Sony Ericsson Ayame | NTT DoCoMo Sony Ericsson Xperia acro HD SO-03D, Sony Hikari |
| Country or region available |  |  |
| Brand | Sony Ericsson | Sony |
| Release date | September, 2011 | March, 2012 |
| Depth | 8.7 millimeters (0.34 inches) | 11.9 millimeters (0.47 inches) |
| Size (width x height) | 63 x 125 millimeters (2.48 x 4.92 in) | 66 x 126 millimeters (2.6 x 4.96 in) |
| Weight | 117 grams (4.1 ounces) | 149 grams (5.22 ounces) |
| Qwerty physical keyboard | Not supported | Not supported |
| Antenna | Internal antenna | External antenna and retractable |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Waterproof (IPxx certified) |
| Operating system (OS) | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Operating system | Android 2.3.4 Gingerbread | Android 2.3.7 Gingerbread |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| Hardware | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Architecture - Chipset | 32bit - Qualcomm Snapdragon MSM8255T | 32bit - Qualcomm Snapdragon S3 MSM8260 |
| CPU processor | 1.4Ghz Single-Core Scorpion | 1.5Ghz Dual-Core Scorpion |
| GPU graphical controller | Qualcomm Adreno 205 | Qualcomm Adreno 220 |
| RAM memory | 512MB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 1GB (320MB user available) | 16GB (11GB user available) |
| External storage | Until 32GB microSD, microSDHC
(dedicated slot) | Until 32GB microSD, microSDHC
(dedicated slot) |
| Display | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Display type | TFT LCD LED-Backlit | TFT LCD LED-Backlit |
| Screen size | 4.2" inches | 4.3" inches |
| Screen-to-body ratio | ~61.7% (screen-to-body ratio) | ~61.3% (screen-to-body ratio) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Display resolution | 480x854 pixels | 720x1280 pixels |
| Pixel density (dot pitch) | 233 PPI | 342 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Scratch-resistant glass |
| Mobile networks and data | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot
Standard mini-SIM (2FF) | 1 slot
Standard mini-SIM (2FF) |
| 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 800/850/1700/2100 |
| Primary 4G/5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 |
| Maximum download/upload | 14.4/5.76 Mbps | 14.4/5.76 Mbps |
| Messaging and calling | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Speakerphone | Supported | Supported |
| Video calling | Not supported | Supported |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Primary / back camera | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Main camera | 8 megapixels | 12 megapixels |
| Main camera resolution | 3264x2448 pixels | 4000x3000 pixels |
| Video recording (primary) | HD (1280x720 pixels) 30 fps | Full HD (1920x1080 pixels) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/2.4 (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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | Not supported | Not supported |
| Front / secondary camera | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Front camera | Not supported | 1.3 megapixels |
| Front camera resolution | Not supported | 1280x1024 pixels |
| Video recording (secondary) | Not supported | HD (1280x720 pixels) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | 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 |
| Multimedia | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Radio | FM with RDS | FM with RDS |
| TV | Not supported | Digital TV |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, eAAC+, WMA, WAV |
| Connectivity and interfaces | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| TV output | Micro HDMI Type D | Micro HDMI Type D |
| Audio output | 3.5mm jack | 3.5mm jack |
| Bluetooth | 2.1 version A2DP | 2.1 version A2DP |
| WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 b/g/n (2.4Ghz) |
| DLNA | Supported | Supported |
| NFC | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| Infrared port | Not supported | Supported |
| Other functions | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Active noise cancellation | Supported | Supported |
| Vibrating alert | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML | HTML, XHTML, HTML5 |
| Java / Flash player | Supported | Supported |
| Sensors | Accelerometer
Proximity
Compass
Ambient Light
| Accelerometer
Proximity
Compass
Ambient Light
|
| Other features | - Colors: Pure White, Midnight Blue, Misty Silver, Gloss Black, Sakura Pink
- 8GB microSD included
- Open ES 1.1
- Sony Mobile BRAVIA Engine
- SE Timescape
- 3D sweep panorama
- WiFi hotspot | - Colors: Black, Aqua, Sakura, Ceramic
- 2GB microSD included
- Sony Mobile BRAVIA Engine
- Sony xLOUD
- PlayNow
- 3D sweep panorama
- Video stabiliser
- WiFi direct, hotspot |
| Power supply and autonomy | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| Battery | LiPo - Li-Ion polymer (Removable) | Li-Ion (Non removable) |
| Battery capacity | 1500 mAh | 1910 mAh |
| Battery model / charger (watts) | BA750 | feature not registered |
| Talk time | 457 minutes | 7.6 hours | 0.3 day | 540 minutes | 9 hours | 0.4 day |
| Standby | 27600 minutes | 460 hours | 19.2 days | 24600 minutes | 410 hours | 17.1 days |
| Radiation rate (SAR) | Sony Ericsson Xperia Arc S LT18i | Sony Xperia acro HD SO-03D |
| SAR USA, Mexico, Colombia | feature not registered | feature not registered |
| SAR European Union, UK | 0.66 W/Kg (head) | feature not registered |