Sony Ericsson Xperia Arc S (LT18i) vs Microsoft Lumia 640 (Dual-Sim 3G)
Side by side comparison between Sony Ericsson Xperia Arc S vs Microsoft Lumia 640 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Microsoft Lumia 640 (Dual-Sim 3G)
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 
18 Advantages | 24 Common items in both devices |
| 16 million |
| (back) 8MP |
| LED flash |
| Only digital zoom |
| Autofocus |
| BSI sensor |
| 3G+ HSPA+ |
| +17 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) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Model | Xperia Arc S (LT18i) | Lumia 640 (Dual-Sim 3G) |
| Other model names | Sony Xperia Arc S LT18, Sony Ericsson Ayame | Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Sony Ericsson | Microsoft |
| Release date | 9/1/2011 | 4/1/2015 |
| Depth | 8.7 millimeters (0.34 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 63 x 125 millimeters (2.48 x 4.92 in) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) |
| Weight | 117 grams (4.1 ounces) | 145 grams (5.08 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Display type | TFT LED-Backlit LCD | TFT IPS LCD |
| Screen size | 4.2" inches | 5" inches |
| Screen-to-body ratio | ~61.7% (screen-to-body ratio) | ~67.6% (screen-to-body ratio) |
| Display resolution | 480x854 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | Sony Mobile BRAVIA Engine | feature not registered |
🤖 Operating System | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| System version | Android 2.3.4 Gingerbread | Windows Phone 8.1 |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Chipset | 32bit: Qualcomm Snapdragon S2 (MSM8255T) (45nm) | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) |
| CPU | Single-core, 1 processor: 1x 1.4GHz Scorpion (Single-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 205 (266MHz) | Qualcomm Adreno 305 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| RAM memory | 512MB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 1GB (320MB available) | 8GB (3GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 14.4/5.76 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| 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 850/900/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 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 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Back camera (main camera) | 8 megapixels | 8 megapixels |
| Main camera resolution | 3264x2448 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Supported | Supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Front camera (secondary) | Not supported | 1 megapixels |
| Front camera resolution | Not supported | 1280x720 pixels |
| Video recording (secondary) | Not supported | HD (1280x720) |
| 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 |
🔉 Sound and multimedia | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263, H.264, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, eAAC+, WMA, WAV | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro HDMI Type D | Not supported |
| Bluetooth | 2.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Battery type | LiPo: li-ion polymer (Removable) BA750 | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 1500 mAh | 2500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 7.6 hours | 20 hours |
| Standby | 460 hours (19.2 days) | 840 hours (35 days) |
➕ Other features | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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 Java framework | • Colors: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot |
☢️ Radiation rate | ||
| Sony Ericsson Xperia Arc S (LT18i) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.66W/kg (head) | feature not registered |