Xiaomi MI Max 3 vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Max 3 and Samsung Galaxy A51. 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.

Phone Specifications Comparison

Xiaomi MI Max 3 vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Max 3 Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A515F/DSN
Form Factor Touch Touch
Height 176.15 mm 158.5 mm Xiaomi MI Max 3 has greater height than Samsung Galaxy A51.
Width 87.4 mm 73.6 mm Xiaomi MI Max 3 has greater width than Samsung Galaxy A51.
Depth 7.99 mm 7.9 mm Samsung Galaxy A51 is narrower than Xiaomi MI Max 3.
Weight 221 g 172 g Samsung Galaxy A51 is lighter than Xiaomi MI Max 3.
Body Colour - Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Waterproof (Water-resistant) - -
SAR Value 1.417 W/kg (body), 1.584 W/kg (head) 0.369 W/kg (head), 1.59 W/kg (body), 2.93 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 -
DISPLAY Xiaomi MI Max 3 Samsung Galaxy A51
Display Type LCD display OLED display
Display Technology IPS Super AMOLED
Screen Size (Display Size) 6.9" 6.5" Xiaomi MI Max 3 has larger screen size than Samsung Galaxy A51.
Screen Resolution (Display Resolution) 2160 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 has better screen resolution than Xiaomi MI Max 3.
Display Format Full HD+ Full HD+
Pixel Density - 408 ppi
Aspect Ratio 18:9 -
Max Brightness 520 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 1500:1 -
Display Features Night Display, Sunlight Display, Reading mode, Colour temperature adjustment Edge-to-Edge screen, Infinity O display
PROCESSOR Xiaomi MI Max 3 Samsung Galaxy A51
Processor Type (CPU) Qualcomm Snapdragon 636 Samsung Exynos 9611
Clock Speed 1.8 GHz 2.3 GHz Samsung Galaxy A51 has higher clock speed than Xiaomi MI Max 3.
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) Qualcomm ADRENO 509 -
MEMORY Xiaomi MI Max 3 Samsung Galaxy A51
RAM LPDDR4X SDRAM - 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy A51 has more internal memory than Xiaomi MI Max 3.
User Memory - 107 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi MI Max 3 Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 48 Megapixel Samsung Galaxy A51 has better camera resolution than Xiaomi MI Max 3.
Lens Aperture F/1.9 F/2.0 Xiaomi MI Max 3 has better lens aperture than Xiaomi MI Max 3.
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Special Effects HDR -
Camera Modes Burst mode, Panorama, AI portrait mode Slow motion mode, Live Focus mode
Face Recognition (Face ID) Face recognition - Xiaomi MI Max 3 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, 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 240 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Dual Pixel Autofocus technology, AI scene detection AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 12 Megapixel Samsung Galaxy A51 has better second camera resolution than Xiaomi MI Max 3.
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 Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 8 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than Xiaomi MI Max 3.
Lens Aperture (Front) F/2.0 F/2.2 Xiaomi MI Max 3 has better front lens aperture than Xiaomi MI Max 3.
Focus Adjustment - Focus free
Camera Modes (Front) AI portrait mode, AI Beautify -
Face Recognition (Face ID) Face detection - Xiaomi MI Max 3 has face detection.
BATTERY AND CHARGING Xiaomi MI Max 3 Samsung Galaxy A51
Battery Capacity (Battery Size) 5500 mAh 4000 mAh Xiaomi MI Max 3 has larger battery capacity than Samsung Galaxy A51.
Fast Charging Technology Qualcomm Quick Charge 3.0 - Xiaomi MI Max 3 has fast charging technology.
Standby Time 474 hours -
Talk Time - 1920 minutes
Run Time Details Playback (video): up to 17 hrs
Gaming: up to 10 hrs
Playback (audio): up to 233 hrs
Standby: up to 474 hrs
Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (video): up to 20 hrs
Playback (audio): up to 87 hrs
Talk (4G): up to 1920 min
Battery Technology - Lithium Ion
CELLULAR Xiaomi MI Max 3 Samsung Galaxy A51
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 8.1 Oreo Android 10
User Interface MIUI 10 One UI
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI Max 3 Samsung Galaxy A51
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band - 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 4, Band 5, Band 7, Band 8, Band 20, Band 34, Band 38, Band 39, 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 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2000, TDD 2600, TDD 1900, 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 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface Infrared (IrDA), IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
Bluetooth Profiles - HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP
NFC - Yes Samsung Galaxy A51 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI Max 3 Samsung Galaxy A51
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, MPEG4-ASP MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Xiaomi MI Max 3 Samsung Galaxy A51
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, digital compass, gyro sensor, hall sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features Face Unlock, infrared remote control, Split Screen Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS Xiaomi MI Max 3 Samsung Galaxy A51
Included Accessories Power adapter, SIM card removal tool, USB-C cable Power adapter
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