In depth comparison and review of Alcatel PIXI 4 (5) 5045X and LG K51S. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | LM-K510EMW | |
| Form Factor | Touch | Touch | |
| Height | 140.7 mm | 165.2 mm | LG K51S has greater height than Alcatel PIXI 4 (5) 5045X. |
| Width | 72.5 mm | 76.7 mm | LG K51S has greater width than Alcatel PIXI 4 (5) 5045X. |
| Depth | 9.5 mm | 8.26 mm | LG K51S is narrower than Alcatel PIXI 4 (5) 5045X. |
| Weight | 169 g | 194 g | Alcatel PIXI 4 (5) 5045X is lighter than Alcatel PIXI 4 (5) 5045X. |
| Body Colour | Volcano black | Pink | Titan | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.669 W/kg (body), 0.466 W/kg (head) | 1.335 W/kg (body), 0.501 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm USB Type-C - 24 pin USB-C |
|
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | TFT | IPS | |
| Screen Size (Display Size) | 5" | 6.55" | LG K51S has larger screen size than Alcatel PIXI 4 (5) 5045X. |
| Screen Resolution (Display Resolution) | 854 x 480 pixels | 1600 x 720 pixels | LG K51S has better screen resolution than Alcatel PIXI 4 (5) 5045X. |
| Display Format | - | HD+ | |
| Pixel Density | - | 268 ppi | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 400 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Reading mode, FullVision display, night mode, hole in display | |
| Display Protection (Screen Protector) | - | Tempered glass |
| PROCESSOR | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| Processor Type (CPU) | MediaTek | MediaTek | |
|---|---|---|---|
| Processor Number | MTK6735M | MT6765 | |
| Clock Speed | 1 GHz | 2.3 GHz | LG K51S has higher clock speed than Alcatel PIXI 4 (5) 5045X. |
| Processor Core Qty | Quad-core | 8-core | LG K51S has higher processor core quantity than Alcatel PIXI 4 (5) 5045X. |
| 64-bit Architecture | - | Yes | LG K51S has 64-bit architecture. |
| Graphics System (GPU) | - | IMG PowerVR GE8320 |
| MEMORY | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| RAM | 1 GB | 3 GB | LG K51S has more RAM than Alcatel PIXI 4 (5) 5045X. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 8 GB | 64 GB | LG K51S has more internal memory than Alcatel PIXI 4 (5) 5045X. |
| User Memory | 3.6 GB | 50.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 32 Megapixel | LG K51S has better camera resolution than Alcatel PIXI 4 (5) 5045X. |
| Lens Aperture | - | F/1.8 | |
| Field of View (FoV) | - | 76.3 degree(s) | |
| Focus Adjustment | - | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Digital Zoom | - | 8x | |
| Self-Timer Delay | - | Yes | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | 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 | LED light | LED flash | |
| Video Resolutions | 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Geotagging | Phase Detect Auto-Focus (PDAF), geotagging, Big Pixels technology, Quad Pixel technology |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Super wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| 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 | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 13 Megapixel | LG K51S has better front camera resolution than Alcatel PIXI 4 (5) 5045X. |
| Camera Modes (Front) | - | Gesture Shot, Selfie portrait | |
| Face Recognition (Face ID) | - | Face detection | LG K51S has face detection. |
| Light Source (Front) | LED flash | - | |
| Camera Features (Front) | - | 17 filters |
| BATTERY AND CHARGING | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 4000 mAh | LG K51S has larger battery capacity than Alcatel PIXI 4 (5) 5045X. |
|---|---|---|---|
| Recharge Time (Charging Time) | 4 hour(s) | - | |
| Standby Time | 473 hours | 100 hours | Alcatel PIXI 4 (5) 5045X has longer standby time than LG K51S. |
| Talk Time | 720 minutes | 480 minutes | Alcatel PIXI 4 (5) 5045X has longer battery life when making calls than LG K51S. |
| Run Time Details | Talk (GSM): up to 720 min Talk (WCDMA): up to 660 min Standby (GSM): up to 473 hrs Standby (WCDMA): up to 441 hrs Standby (LTE): up to 196 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | Lithium Ion | Lithium Ion |
| CELLULAR | Alcatel PIXI 4 (5) 5045X | 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 | GPS, A-GPS | GPS |
| COMMUNICATIONS | Alcatel PIXI 4 (5) 5045X | 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 7, Band 8, Band 20, Band 28 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT | 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 4.0 | 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 PIXI 4 (5) 5045X | LG K51S |
|---|
| Supported Digital Audio Standards | WAV, AAC, MPEG 2 Audio, Ogg Vorbis, AMR, MP3, FLAC, AAC +, MIDI, APE (Monkey's Audio) | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, AVC, MPEG-4, H.264, H.263, VP8, VP9, MPEG4-SP | MKV, FLV, AVI, WMV, ASF, 3GP, TS, WebM, OGM, MP4 | |
| Sound Enhancements | - | DTS: X 3D Surround Sound |
| FEATURES | Alcatel PIXI 4 (5) 5045X | LG K51S |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Proximity sensor, G-sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass | |
| Security Devices | - | Fingerprint reader | |
| Additional Phone Features | HD Voice, Power Saving Mode, Dual noise reduction microphones | 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 PIXI 4 (5) 5045X | LG K51S |
|---|
| Included Accessories | Power adapter | Power adapter, SIM card removal tool, USB-C cable | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
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