Motorola Edge 20 (128GB) vs Sony Ericsson Xperia Arc S (LT18a)
Side by side comparison between Motorola Edge 20 vs Sony Ericsson Xperia Arc S phones, differences, pros, cons and full specifications. What's the better?
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6.7"
OLED
OLED
1080x2400
108
MP
MP
32mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
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What's the better phone? Motorola Edge 20 (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!
29 Advantages 
6 Advantages | 11 Common items in both devices |
| LED flash |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +4 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 | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Model | Edge 20 (128GB) | Xperia Arc S (LT18a) |
| Other model names | Lenovo Edge 20 XT2143-1 (128GB+8GB RAM), MC3A2 | Sony Xperia Arc S LT18, Sony Ericsson Ayame |
| Country or region available |  (Global, International) |     (Latin America), Brazil, Canada, USA |
| Brand | Motorola | Sony Ericsson |
| Release date | 8/16/2021, Announced: 7/29/2021 | 9/1/2011 |
| Depth | 7 millimeters (0.28 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 76 x 163 millimeters (2.99 x 6.42 in) | 63 x 125 millimeters (2.48 x 4.92 in) |
| Weight | 163 grams (5.71 ounces) | 117 grams (4.1 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | feature not registered |
| Protection against water and others | IP52 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Display type | OLED | TFT LED-Backlit LCD |
| Screen size | 6.7" inches | 4.2" inches |
| Screen-to-body ratio | ~87.5% (screen-to-body ratio) | ~61.7% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (19.5:9) | 480x854 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 393 PPI | 233 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Scratch-resistant glass |
| Refresh rate | 144Hz | feature not registered |
| Display features | HDR10+ | feature not registered |
🤖 Operating System | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| System version | Android 11 | Android 2.3.4 Gingerbread |
| Firmware update | Android 12 | Android 4.0.4 Ice Cream Sandwich ICS |
| User Interface | My UX | feature not registered |
⚙️ Processor | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Chipset | 64bit: Qualcomm Snapdragon 778G (SM7325) (6nm) | 32bit: Qualcomm Snapdragon MSM8255T |
| CPU | Octa-core, 3 processors: 1x 2.4GHz ARM Cortex-A78 (Single-core) 3x 2.2GHz ARM Cortex-A78 (Triple-core) 4x 1.8GHz ARM Cortex-A55 (Quad-core) | Single-core, 1 processor: 1x 1.4GHz Scorpion (Single-core) |
| GPU graphical controller | Qualcomm Adreno 642L (550MHz) | Qualcomm Adreno 205 |
| Performance (benchmark) | AnTuTu: 424022 (v8), 488574 (v9) Geekbench: 2549 (v5.1) GFXBench: 29fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| RAM memory | 8GB LPDDR4X | 512MB LPDDR2 |
| Internal storage | 128GB (108GB available) UFS 2.2 | 1GB (320MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 14.4/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 850/900/1700/1900/2100 | UMTS 800/850/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 28, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 43) VoLTE | Not supported |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 38, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 28, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 43) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Back camera (main camera) | (triple camera) 108 megapixels 8MP telephoto f/2.479mm1.0µmPDAFOIS3x-optical-zoom 16MP ultrawide f/2.213mm119°1.0µm | 8 megapixels |
| Main camera resolution | 12000x9000 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | HD (1280x720) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.9 (aperture) | f/2.4 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.52" inches | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Front camera (secondary) | 32 megapixels | Not supported |
| Front camera resolution | 6528x4896 pixels | Not supported |
| Video recording (secondary) | 4K UHD (3840x2160) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.3 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, eAAC+, WMA, WAV |
🔌 Connectivity | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C SlimPort® | Micro HDMI Type D |
| Bluetooth | 5.2 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Removable) BA750 |
| Battery capacity | 4000 mAh | 1500 mAh |
| Charger, watts | 30W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 7.6 hours |
| Standby | feature not registered | 460 hours (19.2 days) |
➕ Other features | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Frosted Grey, White, Emerald • Protective case included • ThinkShield | • 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 |
☢️ Radiation rate | ||
| Motorola Edge 20 (128GB) | Sony Ericsson Xperia Arc S (LT18a) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.66W/kg (head) |