Samsung Galaxy A40 vs. Xiaomi POCO X3 Pro

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A40 and Xiaomi POCO X3 Pro. 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

Samsung Galaxy A40 vs. Xiaomi POCO X3 Pro Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A40 Xiaomi POCO X3 Pro
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A405FN/DS -
Form Factor Touch Touch
Height 144.4 mm 165.3 mm Xiaomi POCO X3 Pro has greater height than Samsung Galaxy A40.
Width 69.2 mm 76.8 mm Xiaomi POCO X3 Pro has greater width than Samsung Galaxy A40.
Depth 7.9 mm 9.4 mm Samsung Galaxy A40 is narrower than Samsung Galaxy A40.
Weight 140 g 215 g Samsung Galaxy A40 is lighter than Samsung Galaxy A40.
Body Colour Blue | Coral | White | Black Phantom black | Metallic bronze | Frost blue
Protection - Splashproof
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 1.34 W/kg (body), 0.49 W/kg (head) 0.899 W/kg (body), 0.573 W/kg (head), 1.898 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD Nano SIM + nano SIM/microSD
DISPLAY Samsung Galaxy A40 Xiaomi POCO X3 Pro
Display Type OLED display -
Display Technology Super AMOLED -
Screen Size (Display Size) 5.9" 6.67" Xiaomi POCO X3 Pro has larger screen size than Samsung Galaxy A40.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Xiaomi POCO X3 Pro has better screen resolution than Samsung Galaxy A40.
Display Format Full HD+ Full HD+
Pixel Density 439 ppi 395 ppi Samsung Galaxy A40 has better pixel density than Xiaomi POCO X3 Pro.
Aspect Ratio - 20:9
Max Brightness - 450 cd/m²
Colour Depth 16.7 million colours -
Display Enhancement Technology Blue light filter Sunlight mode
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 240 Hz
Display Features Always-on display, Infinity Display, Edge-to-Edge screen Dot Display, Reading mode 3, DynamicSwitch refresh rate
Display Protection (Screen Protector) - Corning Gorilla Glass 6 (scratch resistant glass)
PROCESSOR Samsung Galaxy A40 Xiaomi POCO X3 Pro
Processor Type (CPU) Samsung Exynos Qualcomm Snapdragon 860
Processor Number 7904 -
Clock Speed 1.8 GHz 2.96 GHz Xiaomi POCO X3 Pro has higher clock speed than Samsung Galaxy A40.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - Qualcomm ADRENO 640
MEMORY Samsung Galaxy A40 Xiaomi POCO X3 Pro
RAM 4 GB LPDDR4X SDRAM - 6 GB Xiaomi POCO X3 Pro has more RAM than Samsung Galaxy A40.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Xiaomi POCO X3 Pro has more internal memory than Samsung Galaxy A40.
User Memory 49.4 GB -
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy A40 Xiaomi POCO X3 Pro
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 16 Megapixel 48 Megapixel Xiaomi POCO X3 Pro has better camera resolution than Samsung Galaxy A40.
Sensor Size - 1/2"
Lens Type Wide-angle lens -
Lens Aperture F/1.7 F/1.79 Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40.
Pixel Size - 1.6 μm
Focus Adjustment Automatic Automatic
Camera Modes Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore Night mode, Dual video mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection 4-in-1 to 1.6μm Super Pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 8 Megapixel Xiaomi POCO X3 Pro has better second camera resolution than Samsung Galaxy A40.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) 123 degree(s) 119 degree(s) Samsung Galaxy A40 has larger second camera lens field of view than Xiaomi POCO X3 Pro.
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - FF (4cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 25 Megapixel 20 Megapixel Samsung Galaxy A40 has better front camera resolution than Xiaomi POCO X3 Pro.
Lens Aperture (Front) F/2.0 F/2.2 Samsung Galaxy A40 has better front lens aperture than Samsung Galaxy A40.
Pixel Size (Front) - 1.6 μm
Focus Adjustment Automatic -
Camera Modes (Front) Portrait mode, AR Emoji, Motion Photos Night mode, Dual video mode
Light Source (Front) Display flash -
Camera Features (Front) Floating camera button 4-in-1 Super Pixel technology
BATTERY AND CHARGING Samsung Galaxy A40 Xiaomi POCO X3 Pro
Battery Capacity (Battery Size) 3100 mAh 5160 mAh Xiaomi POCO X3 Pro has larger battery capacity than Samsung Galaxy A40.
Fast Charging Technology Samsung Fast Charging - Samsung Galaxy A40 has fast charging technology.
Recharge Time (Charging Time) - 59 min
Talk Time 1080 minutes -
Run Time Details Active online usage (3G): up to 9 hrs
Active online usage (4G): up to 11 hrs
Active online usage (Wi-Fi): up to 11 hrs
Playback (video): up to 14 hrs
Playback (audio): up to 62 hrs
Talk (3G): up to 1080 min
Playback (video): up to 18 hrs
Gaming: up to 11 hrs
Playback (Music): up to 110 hrs
CELLULAR Samsung Galaxy A40 Xiaomi POCO X3 Pro
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie -
User Interface Samsung One UI MIUI 12
Intelligent Assistant Bixby -
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A40 Xiaomi POCO X3 Pro
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ Wi-Fi 5
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A40 Xiaomi POCO X3 Pro
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID -
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 -
Sound Enhancements Dolby Atmos sound technology Hi-Res audio
FEATURES Samsung Galaxy A40 Xiaomi POCO X3 Pro
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, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration motor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Alarm Clock, Fast Charging Infrared remote control, MIMO technology, AI face unlock, AI Engine, LiquidCool Technology 1.0 Plus, MMT (Middle Middle Tab) technology, dual stereo speakers
OTHERS Samsung Galaxy A40 Xiaomi POCO X3 Pro
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, 33W charger
Compliant Standards - IP53
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