Sony Ericsson Vivaz (U5a) vs LG K31 (K300WM)
Side by side comparison between Sony Ericsson Vivaz vs LG K31 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5.7"
IPS
IPS
720x1520
13
MP
MP
5mp
2GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? LG K31 (K300WM)
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!
5 Advantages 
26 Advantages | 11 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Accelerometer |
| Hands-free calling |
| Video calling |
| +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 | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Model | Vivaz (U5a) | K31 (K300WM) |
| Other model names | Sony Ericsson Vivaz U5A, SE Kurara | LG K31 (Spectrum Mobile), LMK300WM.ACANSV, LM-K300WM |
| Country or region available |    (Latin America), Canada, USA | Canada |
| Brand | Sony Ericsson | LG |
| Release date | 3/4/2010 | 8/21/2020 |
| Depth | 12.5 millimeters (0.49 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 51.7 x 107 millimeters (2.04 x 4.21 in) | 71.12 x 147.83 millimeters (2.8 x 5.82 in) |
| Weight | 97 grams (3.4 ounces) | 146 grams (5.11 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 3.2" inches | 5.7" inches |
| Screen-to-body ratio | ~51% (screen-to-body ratio) | ~77.1% (screen-to-body ratio) |
| Display resolution | 360x640 pixels | 720x1520 pixels (19:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch |
| Pixel density (dot pitch) | 229 PPI | 295 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Panda King Glass |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| System version | Symbian 9.4 S60 5th Edition Symbian^1 | Android 10 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Chipset | 32bit | 64bit: MediaTek Helio P22 (MT6762) (12nm) |
| CPU | Single-core, 1 processor: 1x 720MHz ARM Cortex-A8 (Single-core) | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SGX530 | PowerVR GE8320 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| RAM memory | 256MB SDRAM | 2GB LPDDR3 |
| Internal storage | 512MB (75MB available) | 32GB (17GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 10.2/2 Mbps | 150/50 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 850/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (2, 4, 5, 12, 13, 66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 |
📷 Camera | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Back camera (main camera) | 8 megapixels | (dual camera) 13 megapixels 5MP ultrawide f/2.2120°1/5.0"1.12µm |
| Main camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm 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 | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 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 | 24mm (lens) |
| Sensor size | feature not registered | 1/5" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, WMV, 3GP, RV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WMA, WAV, RA, AAC, M4A | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Proprietary TV-out | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Sensors | Accelerometer Ambient light sensor | Accelerometer Fingerprint sensor (rear-mounted) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Battery type | LiPo: li-ion polymer (Removable) EP500 | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1200 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5.3 hours | 11 hours |
| Standby | 440 hours (18.3 days) | 528 hours (22 days) |
➕ Other features | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| Call control | Voice recorder | 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 | WAP, HTML, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Blue, Red, Gray, Light pink • 8GB microSD included • 3D stereo sound • Continuous autofocus • Touch capture • WisePilot navigation • Java framework | • Colors: Silver • LG UX 9.1 |
☢️ Radiation rate | ||
| Sony Ericsson Vivaz (U5a) | LG K31 (K300WM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |