Detailed comparison and review of Alcatel Flash and LG K51S. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Alcatel Flash | LG K51S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-K510EMW | |
| Form Factor | Touch | Touch | |
| Height | 152.6 mm | 165.2 mm | LG K51S has greater height than Alcatel Flash. |
| Width | 75.4 mm | 76.7 mm | LG K51S has greater width than Alcatel Flash. |
| Depth | 8.7 mm | 8.26 mm | LG K51S is narrower than Alcatel Flash. |
| Weight | 155 g | 194 g | Alcatel Flash is lighter than Alcatel Flash. |
| Body Colour | Titanium grey | Pink | Titan | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.724 W/kg (body), 0.284 W/kg (head) | 1.335 W/kg (body), 0.501 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Alcatel Flash | LG K51S |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5.5" | 6.55" | LG K51S has larger screen size than Alcatel Flash. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Alcatel Flash has better screen resolution than LG K51S. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 401 ppi | 268 ppi | Alcatel Flash has better pixel density than LG K51S. |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | Full Lamination | Reading mode, FullVision display, night mode, hole in display | |
| Display Protection (Screen Protector) | Fingerprint-resistant oleophobic coating, Dragontrail (scratch resistant glass) | Tempered glass |
| PROCESSOR | Alcatel Flash | LG K51S |
|---|
| Processor Type (CPU) | MediaTek Helio X20 | MediaTek | |
|---|---|---|---|
| Processor Number | MT6797 | MT6765 | |
| Clock Speed | 1.3 GHz | 2.3 GHz | LG K51S has higher clock speed than Alcatel Flash. |
| Processor Core Qty | 10-core | 8-core | Alcatel Flash has higher processor core quantity than LG K51S. |
| 64-bit Architecture | - | Yes | LG K51S has 64-bit architecture. |
| Graphics System (GPU) | Mali T880 MP4 | IMG PowerVR GE8320 |
| MEMORY | Alcatel Flash | LG K51S |
|---|
| RAM | 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | LG K51S has more internal memory than Alcatel Flash. |
| User Memory | - | 50.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Alcatel Flash | LG K51S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 32 Megapixel | LG K51S has better camera resolution than Alcatel Flash. |
| Lens Aperture | F/2.0 | F/1.8 | LG K51S has better lens aperture than Alcatel Flash. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 76.3 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Digital Zoom | - | 8x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR | |
| Camera Modes | Panorama, tap to focus, Super Fine mode, Manual Focus Mode | Burst mode, portrait mode, Flowers, Animals, Food, Person, Sunset, Sunrise, City, Landscape | |
| Face Recognition (Face ID) | Face detection | Face detection | Both phones have face detection. |
| White Balance | - | Automatic | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Closed loop processing, geotagging, Dual-tone Flash | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 5 Megapixel | Alcatel Flash has better second camera resolution than LG K51S. |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.0 | F/2.2 | Alcatel Flash has better second camera lens aperture than Alcatel Flash. |
| Field of View (2nd Camera) | - | 115 degree(s) | |
| Minimum Focal Length (2nd Camera) | - | 16 mm |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Field of View (3rd Camera) | - | 88.9 degree(s) | |
| Camera Functions (3rd Camera) | - | Depth camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Field of View (4th Camera) | - | 88.6 degree(s) | |
| Camera Functions (4th Camera) | - | Macro camera | |
| Camera Features (4th Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | LG K51S has better front camera resolution than Alcatel Flash. |
| Lens Aperture (Front) | F/2.0 | - | |
| Lens Element Qty (Front) | 6-element | - | |
| Focus Adjustment | Focus free | - | |
| Camera Modes (Front) | Super Selfie Mode | Gesture Shot, Selfie portrait | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| Light Source (Front) | Dual LED flash | - | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF), Closed loop processing, Dual-tone Flash | 17 filters |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 5 Megapixel | - |
|---|
| BATTERY AND CHARGING | Alcatel Flash | LG K51S |
|---|
| Battery Capacity (Battery Size) | 3100 mAh | 4000 mAh | LG K51S has larger battery capacity than Alcatel Flash. |
|---|---|---|---|
| Standby Time | 466 hours | 100 hours | Alcatel Flash has longer standby time than LG K51S. |
| Talk Time | 1200 minutes | 480 minutes | Alcatel Flash has longer battery life when making calls than LG K51S. |
| Run Time Details | Talk (3G): up to 1200 min Standby (3G): up to 466 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Alcatel Flash | LG K51S |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 9.0 Pie | |
| User Interface | - | LG UX 9 | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | A-GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Alcatel Flash | LG K51S |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 BLE | |
| Bluetooth Profiles | A2DP | HFP, HSP, OPP, PAN, SPP, GOEP, A2DP, AVRCP, HID, SAP, GAVDP, PBAP, MAP, GATT, HDP, HOGP, ScPP | |
| NFC | - | Yes | LG K51S has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Alcatel Flash | LG K51S |
|---|
| Supported Digital Audio Standards | AAC, AMR, MP3, AAC + | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | XviD, MPEG-4, H.264 | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
| Sound Enhancements | - | DTS: X 3D Surround Sound |
| FEATURES | Alcatel Flash | LG K51S |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | DLNA Certified, Dual microphones, KnockON, QuickMemo+ function, Mini View function, Capture+, EasyHome, Clip Tray, Google Lens, AI Cam, Game Tools, Google Assistant Button |
| OTHERS | Alcatel Flash | LG K51S |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
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