LG K51 (K500UM3) vs Motorola Defy Mini (XT321 Dual)
Side by side comparison between LG K51 vs Motorola Defy Mini phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
IPS
IPS
720x1560
13
MP
MP
13mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
3.2"
TFT
TFT
320x480
3.1
MP
MP
0.3mp
512MB
RAM
RAM
Single-core
1650
mAh
mAh
(Removable)
What's the better phone? LG K51 (K500UM3)
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!
27 Advantages 
5 Advantages | 15 Common items in both devices |
| LED flash |
| Only digital zoom |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +8 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 | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Model | K51 (K500UM3) | Defy Mini (XT321 Dual) |
| Other model names | LG K51 (Boost Mobile) LMK500UM3ABMUTN, LM-K500UM3 | Motorola Defy Mini XT321 Dual SIM, Dual Chip, Doble SIM |
| Country or region available |  USA | feature not registered |
| Brand | LG | Motorola |
| Release date | 2/1/2020 | 6/1/2012 |
| Depth | 8.47 millimeters (0.33 inches) | 12.55 millimeters (0.49 inches) |
| Size (width x height) | 77.92 x 166.96 millimeters (3.07 x 6.57 in) | 58.5 x 109 millimeters (2.3 x 4.29 in) |
| Weight | 204 grams (7.14 ounces) | 107 grams (3.75 ounces) |
| Build, materials | Plastic body, glass front | feature not registered |
| Protection against water and others | MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Waterproof (IP?) |
📲 Display | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Display type | TFT IPS LCD | TFT LCD |
| Screen size | 6.5" inches | 3.2" inches |
| Screen-to-body ratio | ~79.7% (screen-to-body ratio) | ~47.8% (screen-to-body ratio) |
| Display resolution | 720x1560 pixels (19.5:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 264 PPI | 180 PPI |
| Colors | 16 million | 260 thousand |
| Scratch-resistant glass | Panda King Glass | Gorilla Glass |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| System version | Android 9.0 Pie | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Chipset | 64bit: MediaTek Helio P22 (MT6762) (12nm) | 32bit: Qualcomm Snapdragon S1 MSM7225A |
| CPU | Octa-core, 2 processors: 4x 2GHz ARM Cortex-A53 (Quad-core) 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Single-core, 1 processor: 1x 600MHz ARM Cortex-A5 (Single-core) |
| GPU graphical controller | PowerVR GE8320 (650MHz) | Qualcomm Adreno 200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| RAM memory | 3GB LPDDR3 | 512MB |
| Internal storage | 32GB (16GB available) eMMC 5.1 | 512MB (120MB available) |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 300/50 Mbps | 7.2/2 Mbps |
| Network technology | 2G, 3G, 4G | 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 850/2100 |
| Primary 4G network | LTE Cat6 (2, 4, 5, 12, 13, 25, 26, 66, 71) TD-LTE (41) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Back camera (main camera) | (triple camera) 13 megapixels 5MP ultrawide f/2.21.12μm1/5"115° 2MP depth f/2.41.75μm1/5"85° | 3.1 megapixels |
| Main camera resolution | 4128x3096 pixels | 2048x1536 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | VGA (640x480) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not 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 | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Front camera (secondary) | 13 megapixels | 0.3 megapixels |
| Front camera resolution | 4128x3096 pixels | 640x480 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, AAC+ |
🔌 Connectivity | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 2.1 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 1650 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 21 hours | 5 hours |
| Standby | 576 hours (24 days) | 400 hours (16.7 days) |
➕ Other features | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| Call control | Voice dialing, Voice recorder | 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 | Supported | 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: Titan gray • Google Assistant • DTS:X 3D sound surround • HAC M3/T3 | • Colors: Black, White • Dust and water resistant • Motorola MOTOBLUR UI • Speech recognition • Java framework |
☢️ Radiation rate | ||
| LG K51 (K500UM3) | Motorola Defy Mini (XT321 Dual) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.08W/kg (head), 1.49W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |