UMIDIGI One Max vs. LG K40

Phone Comparison, Reviews and Tests

Side by side comparison and review of UMIDIGI One Max and LG K40. 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.

Phone Specifications Comparison

UMIDIGI One Max vs. LG K40 Comparison Chart
DESIGN AND DIMENSIONS UMIDIGI One Max LG K40
Product Type Smartphone Smartphone
Manufacturer Model Number - LM-X420EMW
Form Factor Touch Touch
Height 156.8 mm 153 mm UMIDIGI One Max has greater height than LG K40.
Width 75.6 mm 71.9 mm UMIDIGI One Max has greater width than LG K40.
Depth 8.35 mm 8.3 mm LG K40 is narrower than UMIDIGI One Max.
Weight 205 g 145 g LG K40 is lighter than UMIDIGI One Max.
Body Colour Twilight New Aurora Black | Moroccan blue
Body Material Tempered glass, aluminium frame -
Waterproof (Water-resistant) - -
SAR Value - 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
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY UMIDIGI One Max LG K40
Display Type LCD display LCD display
Display Technology - IPS
Screen Size (Display Size) 6.3" 5.7" UMIDIGI One Max has larger screen size than LG K40.
Screen Resolution (Display Resolution) 1520 x 720 pixels 1440 x 720 pixels UMIDIGI One Max has better screen resolution than LG K40.
Display Format - HD
Pixel Density 271 ppi 282 ppi LG K40 has better pixel density than UMIDIGI One Max.
Aspect Ratio 19:9 18:9
Display Features In-Cell Display Technology, Reading mode, Colour temperature adjustment Curved glass, FullVision display
PROCESSOR UMIDIGI One Max LG K40
Processor Type (CPU) MediaTek Helio P23 MediaTek
Processor Number - MT6762
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
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) Mali-G71 MP2 PowerVR GE8320
MEMORY UMIDIGI One Max LG K40
RAM LPDDR4X SDRAM - 4 GB 2 GB UMIDIGI One Max has more RAM than LG K40.
Internal Memory Size (Storage Capacity) 128 GB 32 GB UMIDIGI One Max has more internal memory than LG K40.
User Memory - 20.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 2 TB
CAMERA UMIDIGI One Max LG K40
MAIN CAMERA
Number of Main Cameras 2 1
Sensor Resolution 12 Megapixel 16 Megapixel LG K40 has better camera resolution than UMIDIGI One Max.
Sensor Size - 1/3"
Sensor Name Omnivision OV12870 sensor -
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Lens Construction 6-element -
Pixel Size - 1 μm
Focus Adjustment - Automatic
Camera Modes Panorama -
Face Recognition (Face ID) Face recognition - UMIDIGI One Max has face detection.
Light Source Dual LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Functions) Real-time photo filters Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 8 Megapixel UMIDIGI One Max has better front camera resolution than LG K40.
Sensor Size (Front) - 1/4"
Sensor Name (Front) Samsung S5K3P3 -
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) 5-element -
Pixel Size (Front) - 1.12 μm
Camera Modes (Front) - Portrait mode
Face Recognition (Face ID) Face recognition - UMIDIGI One Max has face detection.
Light Source (Front) - LED flash
Camera Features (Front) Selfie countdown -
BATTERY AND CHARGING UMIDIGI One Max LG K40
Battery Capacity (Battery Size) 4150 mAh 3000 mAh UMIDIGI One Max has larger battery capacity than LG K40.
Wireless Charging Yes - UMIDIGI One Max can be charged wirelessly.
Wireless Charging Standards Qi, Fast Wireless Charging -
Standby Time - 100 hours
Talk Time - 480 minutes
Run Time Details - Talk: up to 480 min
Standby: up to 100 hrs
Battery Technology - Lithium Ion
CELLULAR UMIDIGI One Max LG K40
Technology CDMA2000 1X / GSM / WCDMA (UMTS) WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1.0 Oreo Android 8.1 Oreo
Intelligent Assistant - Google Assistant
Navigation GPS, GLONASS GPS
COMMUNICATIONS UMIDIGI One Max LG K40
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 -
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 -
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 34, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600
Wireless Interface IEEE 802.11a/b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0 LE
Bluetooth Profiles HID -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA UMIDIGI One Max LG K40
Supported Digital Audio Standards WAV, AAC, PCM, MP3, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis
Supported Digital Video Standards MKV, XviD, MPEG-4, M4V, ASP, H.264 AVC Main Profile (MP), H.264 AVC Baseline Profile(BP) -
Sound Enhancements - DTS: X 3D Premium Sound
FEATURES UMIDIGI One Max 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, gyro sensor, geomagnetic sensor, L-sensor, P-sensor Ambient light sensor, proximity sensor
Security Devices Face recognition, fingerprint reader (side) Face recognition, fingerprint reader
Additional Phone Features Dual microphones Google Lens, Google Assistant Key, AI Cam
OTHERS UMIDIGI One Max LG K40
Included Accessories Power adapter, SIM card removal tool, USB-C cable, pre-installed screen protector, protective case Power adapter
Compliant Standards - MIL-STD 810G
Other projects: