Side by side comparison and review of LG K40 and Xiaomi Redmi Note 9T. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
DESIGN AND DIMENSIONS | LG K40 | Xiaomi Redmi Note 9T |
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Product Type | Smartphone | Smartphone | |
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Manufacturer Model Number | LM-X420EMW | - | |
Form Factor | Touch | Touch | |
Height | 153 mm | 161.9 mm | Xiaomi Redmi Note 9T has greater height than LG K40. |
Width | 71.9 mm | 77.3 mm | Xiaomi Redmi Note 9T has greater width than LG K40. |
Depth | 8.3 mm | 9.05 mm | LG K40 is narrower than LG K40. |
Weight | 145 g | 199 g | LG K40 is lighter than LG K40. |
Body Colour | New Aurora Black | Moroccan blue | Daybreak purple | |
Protection | - | Splashproof | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.597 W/kg (body), 0.518 W/kg (head) | 0.937 W/kg (body), 0.592 W/kg (head), 1.981 W/kg (limb) | |
Integrated Components | FM radio | - | |
Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
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SIM Card Type (Size) | - | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | LG K40 | Xiaomi Redmi Note 9T |
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Display Type | LCD display | - | |
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Display Technology | IPS | - | |
Screen Size (Display Size) | 5.7" | 6.53" | Xiaomi Redmi Note 9T has larger screen size than LG K40. |
Screen Resolution (Display Resolution) | 1440 x 720 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 9T has better screen resolution than LG K40. |
Display Format | HD | Full HD+ | |
Pixel Density | 282 ppi | 395 ppi | Xiaomi Redmi Note 9T has better pixel density than LG K40. |
Aspect Ratio | 18:9 | 19.5:9 | |
Max Brightness | - | 450 cd/m² | |
Contrast Ratio | - | 1500:1 | |
Display Features | Curved glass, FullVision display | Reading mode, night mode, Dot Display | |
Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
PROCESSOR | LG K40 | Xiaomi Redmi Note 9T |
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Processor Type (CPU) | MediaTek | MediaTek Dimensity 800U | |
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Processor Number | MT6762 | - | |
Clock Speed | 2 GHz | 2.3 GHz | Xiaomi Redmi Note 9T 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 | - | LG K40 has 64-bit architecture. |
Graphics System (GPU) | PowerVR GE8320 | Mali-G57 |
MEMORY | LG K40 | Xiaomi Redmi Note 9T |
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RAM | 2 GB | LPDDR4X SDRAM - 4 GB | Xiaomi Redmi Note 9T has more RAM than LG K40. |
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Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | Xiaomi Redmi Note 9T has more internal memory than LG K40. |
User Memory | 20.2 GB | - | |
Memory Interface | - | UFS 2.2 | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSD |
CAMERA | LG K40 | Xiaomi Redmi Note 9T |
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MAIN CAMERA |
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Number of Main Cameras | 1 | 3 | |
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Sensor Resolution | 16 Megapixel | 48 Megapixel | Xiaomi Redmi Note 9T has better camera resolution than LG K40. |
Sensor Size | 1/3" | 1/2" | LG K40 has better camera sensor size than Xiaomi Redmi Note 9T. |
Lens Aperture | F/2.0 | F/1.79 | Xiaomi Redmi Note 9T has better lens aperture than LG K40. |
Pixel Size | 1 μm | 0.8 μm | LG K40 has larger camera pixel size than Xiaomi Redmi Note 9T. |
Focus Adjustment | Automatic | Automatic | |
Light Source | LED flash | Flash | |
Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 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 1280 x 720 (720p) at 960 fps | |
Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes | 4-in-1 Super Pixel |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
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Lens Aperture (2nd Camera) | - | F/2.4 | |
Pixel Size (2nd Camera) | - | 1.75 μm | |
Camera Functions (2nd Camera) | - | Macro camera |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Pixel Size (3rd Camera) | - | 1.75 μm | |
Camera Functions (3rd Camera) | - | Depth camera |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 8 Megapixel | 13 Megapixel | Xiaomi Redmi Note 9T has better front camera resolution than LG K40. |
Sensor Size (Front) | 1/4" | - | |
Lens Aperture (Front) | F/2.0 | F/2.25 | LG K40 has better front lens aperture than LG K40. |
Pixel Size (Front) | 1.12 μm | - | |
Camera Modes (Front) | Portrait mode | - | |
Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 9T has face detection. |
Light Source (Front) | LED flash | - | |
Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps |
BATTERY AND CHARGING | LG K40 | Xiaomi Redmi Note 9T |
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Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Xiaomi Redmi Note 9T has larger battery capacity than LG K40. |
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Standby Time | 100 hours | - | |
Talk Time | 480 minutes | - | |
Run Time Details | Talk: up to 480 min Standby: up to 100 hrs |
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Battery Technology | Lithium Ion | - |
CELLULAR | LG K40 | Xiaomi Redmi Note 9T |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 9T has more advanced generation mobile network. |
Operating System | Android 8.1 Oreo | Android 10 | |
User Interface | - | MIUI 12 | |
Intelligent Assistant | Google Assistant | - | |
Navigation | GPS | GPS, GLONASS, Galileo |
COMMUNICATIONS | LG K40 | Xiaomi Redmi Note 9T |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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2G Band | 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 3, Band 7, Band 8, Band 20, Band 38 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42 | |
4G LTE Frequency | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500 | |
5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.1 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Messaging Services | SMS, MMS | - |
MEDIA | LG K40 | Xiaomi Redmi Note 9T |
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Supported Digital Audio Standards | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | AAC, LDAC, LHDC | |
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Sound Enhancements | DTS: X 3D Premium Sound | - |
FEATURES | LG K40 | Xiaomi Redmi Note 9T |
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Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
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Sensors | Ambient light sensor, proximity sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | |
Security Devices | Face recognition, fingerprint reader | Face recognition, fingerprint reader (side) | |
Security Technology | - | AI face unlock | |
Additional Phone Features | Google Lens, Google Assistant Key, AI Cam | Infrared remote control, linear motor, WriteBooster technology, Host Performance Booster (HPB) technology |
OTHERS | LG K40 | Xiaomi Redmi Note 9T |
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Included Accessories | Power adapter | Protective cover, power adapter, SIM card removal tool, USB-C cable | |
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Compliant Standards | MIL-STD 810G | TUV Rheinland Low Blue Light Certification |