Xiaomi MI Mix vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi MI Mix and Samsung Galaxy A51. 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

Xiaomi MI Mix vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A515F/DSN
Form Factor Touch Touch
Height 158.8 mm 158.5 mm Xiaomi MI Mix has greater height than Samsung Galaxy A51.
Width 81.9 mm 73.6 mm Xiaomi MI Mix has greater width than Samsung Galaxy A51.
Depth 7.9 mm 7.9 mm Both phones are the same depth.
Weight 209 g 172 g Samsung Galaxy A51 is lighter than Xiaomi MI Mix.
Body Colour Black Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Body Material Ceramic -
Waterproof (Water-resistant) - -
SAR Value - 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
DISPLAY Xiaomi MI Mix Samsung Galaxy A51
Display Type LCD display OLED display
Display Technology IPS Super AMOLED
Screen Size (Display Size) 6.4" 6.5" Samsung Galaxy A51 has larger screen size than Xiaomi MI Mix.
Screen Resolution (Display Resolution) 2040 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 has better screen resolution than Xiaomi MI Mix.
Display Format - Full HD+
Pixel Density 362 ppi 408 ppi Samsung Galaxy A51 has better pixel density than Xiaomi MI Mix.
Max Brightness 500 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 1300:1 -
Display Features - Edge-to-Edge screen, Infinity O display
PROCESSOR Xiaomi MI Mix Samsung Galaxy A51
Processor Type (CPU) Qualcomm Snapdragon 821 Samsung Exynos 9611
Clock Speed 2.35 GHz 2.3 GHz Xiaomi MI Mix has higher clock speed than Samsung Galaxy A51.
Processor Core Qty - 8-core
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 530 -
MEMORY Xiaomi MI Mix Samsung Galaxy A51
RAM 4 GB 4 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory - 107 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi MI Mix Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 16 Megapixel 48 Megapixel Samsung Galaxy A51 has better camera resolution than Xiaomi MI Mix.
Lens Aperture F/2.0 F/2.0 Both phones have the same camera lens aperture.
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
HDR Mode Auto HDR mode -
Camera Modes Burst mode, Panorama, low-light shots Slow motion mode, Live Focus mode
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix has face detection.
Light Source Dual 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) Phase Detect Auto-Focus (PDAF), Colour Correlated Temperature (CCT) flash AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
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) 5 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than Xiaomi MI Mix.
Lens Aperture (Front) - F/2.2
Focus Adjustment - Focus free
Special Effects (Front) Smart beauty -
Camera Modes (Front) Real time beauty mode -
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Self-timer -
BATTERY AND CHARGING Xiaomi MI Mix Samsung Galaxy A51
Battery Capacity (Battery Size) 4400 mAh 4000 mAh Xiaomi MI Mix has larger battery capacity than Samsung Galaxy A51.
Standby Time 256 hours -
Talk Time - 1920 minutes
Run Time Details Standby: up to 256 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 Mix Samsung Galaxy A51
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 6.0 (Marshmallow) Android 10
User Interface - One UI
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI Mix Samsung Galaxy A51
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, 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 IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 4.2 Bluetooth 5.0 LE
Bluetooth Profiles A2DP, HID HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI Mix 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 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES Xiaomi MI Mix Samsung Galaxy A51
Phone Functions Speakerphone, voice control, call timer, conference call, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, digital compass, barometer, gyro sensor, hall sensor, ultrasonic distance sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features MU-MIMO technology, Cantilever piezoelectric ceramic acoustic system Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS Xiaomi MI Mix Samsung Galaxy A51
Included Accessories Power adapter, leather case, SIM card removal tool, USB-C cable Power adapter
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