In depth comparison and review of Samsung Galaxy A71 and LG K40. 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 | Samsung Galaxy A71 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A715F/DS | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 163.6 mm | 153 mm | Samsung Galaxy A71 has greater height than LG K40. |
| Width | 76 mm | 71.9 mm | Samsung Galaxy A71 has greater width than LG K40. |
| Depth | 7.7 mm | 8.3 mm | Samsung Galaxy A71 is narrower than Samsung Galaxy A71. |
| Weight | 179 g | 145 g | LG K40 is lighter than Samsung Galaxy A71. |
| Body Colour | Prism crush silver | Prism crush blue | Prism crush black | Haze crush silver | New Aurora Black | Moroccan blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.562 W/kg (body), 0.512 W/kg (head) | 1.597 W/kg (body), 0.518 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 Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy A71 | LG K40 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED Plus | IPS | |
| Screen Size (Display Size) | 6.7" | 5.7" | Samsung Galaxy A71 has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 1440 x 720 pixels | Samsung Galaxy A71 has better screen resolution than LG K40. |
| Display Format | Full HD+ | HD | |
| Pixel Density | 394 ppi | 282 ppi | Samsung Galaxy A71 has better pixel density than LG K40. |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | - | Samsung Galaxy A71 has HDR. |
| Display Enhancement Technology | Blue light filter | - | |
| Display Features | Infinity O display | Curved glass, FullVision display |
| PROCESSOR | Samsung Galaxy A71 | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 730 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6762 | |
| Clock Speed | 2.2 GHz | 2 GHz | Samsung Galaxy A71 has higher clock speed than LG K40. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Samsung Galaxy A71 | LG K40 |
|---|
| RAM | 6 GB | 2 GB | Samsung Galaxy A71 has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 32 GB | Samsung Galaxy A71 has more internal memory than LG K40. |
| User Memory | 106.1 GB | 20.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Samsung Galaxy A71 | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 1 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 16 Megapixel | Samsung Galaxy A71 has better camera resolution than LG K40. |
| Sensor Size | - | 1/3" | |
| Lens Aperture | F/1.8 | F/2.0 | Samsung Galaxy A71 has better lens aperture than Samsung Galaxy A71. |
| Pixel Size | - | 1 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | Bokeh effect | - | |
| Camera Modes | Pro mode, night mode, HYPERLAPSE, Super slow motion, AR Emoji, Food, Portrait, Pano mode | - | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | - | |
| Camera Features (Functions) | Live Focus | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| Field of View (2nd Camera) | 123 degree(s) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Camera Functions (3rd Camera) | Macro camera | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.2 | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 32 Megapixel | 8 Megapixel | Samsung Galaxy A71 has better front camera resolution than LG K40. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | LG K40 has better front lens aperture than Samsung Galaxy A71. |
| Pixel Size (Front) | - | 1.12 μm | |
| Camera Modes (Front) | Selfie focus | Portrait mode | |
| Light Source (Front) | Display flash | LED flash | |
| Camera Features (Front) | Background blur | - |
| BATTERY AND CHARGING | Samsung Galaxy A71 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 3000 mAh | Samsung Galaxy A71 has larger battery capacity than LG K40. |
|---|---|---|---|
| Fast Charging Technology | Samsung Super Fast Charging | - | Samsung Galaxy A71 has fast charging technology. |
| Standby Time | - | 100 hours | |
| Talk Time | 2520 minutes | 480 minutes | Samsung Galaxy A71 has longer battery life when making calls than LG K40. |
| Run Time Details | Active online usage (4G): up to 16 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (audio): up to 107 hrs Talk (4G): up to 2520 min Playback (video): up to 24 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy A71 | LG K40 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 8.1 Oreo | |
| User Interface | Samsung One UI 2 | - | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy A71 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-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 | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 28, Band 38, Band 40, Band 41, Band 66 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+ | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy A71 | LG K40 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | - | |
| Sound Enhancements | Dolby Atmos sound technology | DTS: X 3D Premium Sound |
| FEATURES | Samsung Galaxy A71 | LG K40 |
|---|
| 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, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Ambient light sensor, proximity sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Additional Phone Features | Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | Samsung Galaxy A71 | LG K40 |
|---|
| Included Accessories | Power adapter | Power adapter | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G |
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