Samsung Galaxy A40 vs. Xiaomi 12

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy A40 and Xiaomi 12. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy A40 vs. Xiaomi 12 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A40 Xiaomi 12
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A405FN/DS -
Form Factor Touch Touch
Height 144.4 mm 152.7 mm Xiaomi 12 has greater height than Samsung Galaxy A40.
Width 69.2 mm 69.9 mm Xiaomi 12 has greater width than Samsung Galaxy A40.
Depth 7.9 mm 8.16 mm Samsung Galaxy A40 is narrower than Samsung Galaxy A40.
Weight 140 g 180 g Samsung Galaxy A40 is lighter than Samsung Galaxy A40.
Body Colour Blue | Coral | White | Black Grey
Waterproof (Water-resistant) - -
SAR Value 1.34 W/kg (body), 0.49 W/kg (head) 0.596 W/kg (head), 0.998 W/kg (body), 1.972 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
SIM Card Type (Size) Nano SIM -
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy A40 Xiaomi 12
Display Type OLED display OLED display
Display Technology Super AMOLED AMOLED
Screen Size (Display Size) 5.9" 6.28" Xiaomi 12 has larger screen size than Samsung Galaxy A40.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Xiaomi 12 has better screen resolution than Samsung Galaxy A40.
Display Format Full HD+ Full HD+
Pixel Density 439 ppi 419 ppi Samsung Galaxy A40 has better pixel density than Xiaomi 12.
Aspect Ratio - 20:9
Max Brightness - 1100 cd/m²
Colour Depth 16.7 million colours 68 billion colours Xiaomi 12 has better colour depth than Samsung Galaxy A40.
Contrast Ratio - 5000000:1
HDR - Yes Xiaomi 12 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology Blue light filter Dolby Vision, Sunlight mode, AdaptiveSync technology
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 480 Hz
Display Features Always-on display, Infinity Display, Edge-to-Edge screen Reading mode, DCI-P3 Wide colour gamut, Dot Display, True Colour, DisplayMate A+, 16000 levels auto brightness adjustment
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy A40 Xiaomi 12
Processor Type (CPU) Samsung Exynos Qualcomm Snapdragon 8 Gen 1
Processor Number 7904 -
Clock Speed 1.8 GHz 3 GHz Xiaomi 12 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
MEMORY Samsung Galaxy A40 Xiaomi 12
RAM 4 GB LPDDR5 SDRAM - 8 GB Xiaomi 12 has more RAM than Samsung Galaxy A40.
Internal Memory Size (Storage Capacity) 64 GB 256 GB Xiaomi 12 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 -
CAMERA Samsung Galaxy A40 Xiaomi 12
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 16 Megapixel 50 Megapixel Xiaomi 12 has better camera resolution than Samsung Galaxy A40.
Sensor Size - 1/1.56"
Sensor Name - Sony IMX766 sensor
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.7 F/1.88 Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40.
Lens Construction - 6-element
Pixel Size - 1 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Xiaomi 12 has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects - Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails
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, Documents, Vlog mode, Pro Video mode, Movie frame, Night portrait mode, photo filters, Timed burst, Photo clones, Dual video mode, Ultra Night Video, Pro Time-lapse, 50MP 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, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps
Camera Features (Functions) AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection HDR10+ recording, Google Lens, One-click AI cinema, HDR video recording, 2.1μm 4-in-1 Super Pixel, Xiaomi ProFocus
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 13 Megapixel Xiaomi 12 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/2.4 Samsung Galaxy A40 has better second camera lens aperture than Samsung Galaxy A40.
Field of View (2nd Camera) 123 degree(s) 123 degree(s) Both phones have the same second camera lens field of view.
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Type (3rd Camera) - Tele-macro lens
Lens Aperture (3rd Camera) - F/2.4
Focal Length Equivalent to 35mm Camera - 50mm
Camera Features (3rd Camera) - AF (3cm-7cm)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 25 Megapixel 32 Megapixel Xiaomi 12 has better front camera resolution than Samsung Galaxy A40.
Lens Aperture (Front) F/2.0 F/2.45 Samsung Galaxy A40 has better front lens aperture than Samsung Galaxy A40.
Focus Adjustment Automatic -
Special Effects (Front) - HDR
Camera Modes (Front) Portrait mode, AR Emoji, Motion Photos Panoramic selfies, AI Beautify, Timed burst, Selfie Night mode, Capture Dual, Time-lapse selfie, AI portrait mode with bokeh and depth control, AI portrait video
Light Source (Front) Display flash -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps
Camera Features (Front) Floating camera button 4-in-1 to 1.4μm Super Pixel, Video HDR
BATTERY AND CHARGING Samsung Galaxy A40 Xiaomi 12
Battery Capacity (Battery Size) 3100 mAh 4500 mAh Xiaomi 12 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) - 39 min
Wireless Charging - Yes Xiaomi 12 can be charged wirelessly.
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
-
CELLULAR Samsung Galaxy A40 Xiaomi 12
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Xiaomi 12 has more advanced generation mobile network.
Operating System Android 9.0 Pie Android 12
User Interface Samsung One UI MIUI 13
Intelligent Assistant Bixby -
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC
COMMUNICATIONS Samsung Galaxy A40 Xiaomi 12
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
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 6, Band 8, Band 19
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 800, 900, 800
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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 48, Band 66
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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3600, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n79, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E
Bluetooth Bluetooth 5.0 LE Bluetooth 5.2
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A40 Xiaomi 12
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 Harman Kardon Sound technology, Dolby Atmos sound technology
FEATURES Samsung Galaxy A40 Xiaomi 12
Phone Functions 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, flicker sensor, gyroscope, 360° ambient light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display)
Security Technology - AI face unlock
Additional Phone Features Alarm Clock, Fast Charging MIMO technology, linear motor, VC Liquid Cooling, Reverse wireless charging, dual stereo speakers, X-axis linear vibration motor, IR blaster, Qualcomm 7th generation AI Engine, Xiaomi AdaptiveCharge
OTHERS Samsung Galaxy A40 Xiaomi 12
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, 67W charger
Compliant Standards - SGS Low Blue Light Certification
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