Sony Ericsson Xperia Arc S (LT18i) vs Xiaomi Poco X3 Pro (J20SI 128GB)
Side by side comparison between Sony Ericsson Xperia Arc S vs Xiaomi Poco X3 Pro phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
5160
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco X3 Pro (J20SI 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!
4 Advantages 
27 Advantages | 14 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +7 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 Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Model | Xperia Arc S (LT18i) | Poco X3 Pro (J20SI 128GB) |
| Other model names | Sony Xperia Arc S LT18, Sony Ericsson Ayame | POCO X3 Pro M2102J20SI (128GB+6GB RAM) |
| Country or region available |  (Global, International) |  India |
| Brand | Sony Ericsson | Xiaomi |
| Release date | 9/1/2011 | 3/24/2021, Announced: 3/22/2021 |
| Depth | 8.7 millimeters (0.34 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 63 x 125 millimeters (2.48 x 4.92 in) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 117 grams (4.1 ounces) | 215 grams (7.53 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Display type | TFT LED-Backlit LCD | TFT IPS LCD |
| Screen size | 4.2" inches | 6.67" inches |
| Screen-to-body ratio | ~61.7% (screen-to-body ratio) | ~84.6% (screen-to-body ratio) |
| Display resolution | 480x854 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 6 |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| System version | Android 2.3.4 Gingerbread | Android 11 |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | Android 13 |
| User Interface | feature not registered | MIUI 12.5 / 13 / 14 |
⚙️ Processor | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Chipset | 32bit: Qualcomm Snapdragon MSM8255T | 64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm) |
| CPU | Single-core, 1 processor: 1x 1.4GHz Scorpion (Single-core) | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 Gold (Single-core) 3x 2.42GHz Kryo 485 Gold (Triple-core) 4x 1.78GHz Kryo 485 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 205 | Qualcomm Adreno 640 (250-672MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 483527 (v8) Geekbench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| RAM memory | 512MB LPDDR2 | 6GB LPDDR4X |
| Internal storage | 1GB (320MB available) | 128GB (106GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD 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 | 800/150 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 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | 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 Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Back camera (main camera) | 8 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.2119°1.0µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 3264x2448 pixels | 8000x6000 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.4 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | 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 | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@960fps |
📸 Front camera | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Front camera (secondary) | Not supported | 20 megapixels |
| Front camera resolution | Not supported | 5184x3840 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers |
| 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 Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | 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, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Battery type | LiPo: li-ion polymer (Removable) BA750 | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 5160 mAh |
| Charger, watts | Wired charging | 33W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 7.6 hours | feature not registered |
| Standby | 460 hours (19.2 days) | feature not registered |
➕ Other features | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 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 | Not 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: 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 • Java framework | • Colors: Phantom Black, Frost Blue, Metal Bronze • Silicone Case included • Cooling up to 6 °C • LiquidCool 1.0 Plus |
☢️ Radiation rate | ||
| Sony Ericsson Xperia Arc S (LT18i) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.99W/kg (head), 0.67W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.66W/kg (head) | 0.57W/kg (head), 0.9W/kg (body) |