Samsung Galaxy A51 vs. Xiaomi MI 11

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A51 and Xiaomi MI 11. 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

Samsung Galaxy A51 vs. Xiaomi MI 11 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 Xiaomi MI 11
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A515F/DSN -
Form Factor Touch Touch
Height 158.5 mm 164.3 mm Xiaomi MI 11 has greater height than Samsung Galaxy A51.
Width 73.6 mm 74.6 mm Xiaomi MI 11 has greater width than Samsung Galaxy A51.
Depth 7.9 mm 8.06 mm Samsung Galaxy A51 is narrower than Samsung Galaxy A51.
Weight 172 g 196 g Samsung Galaxy A51 is lighter than Samsung Galaxy A51.
Body Colour Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white Midnight grey | Horizon blue
Waterproof (Water-resistant) - -
SAR Value 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) 0.555 W/kg (head), 1.986 W/kg (limb), 0.982 W/kg (body)
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
DISPLAY Samsung Galaxy A51 Xiaomi MI 11
Display Type OLED display OLED display
Display Technology Super AMOLED AMOLED
Screen Size (Display Size) 6.5" 6.81" Xiaomi MI 11 has larger screen size than Samsung Galaxy A51.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 3200 x 1440 pixels Xiaomi MI 11 has better screen resolution than Samsung Galaxy A51.
Display Format Full HD+ WQHD+
Pixel Density 408 ppi 515 ppi Xiaomi MI 11 has better pixel density than Samsung Galaxy A51.
Aspect Ratio - 20:9
Max Brightness - 1500 cd/m²
Colour Depth 16.7 million colours 1.07 billion colours Xiaomi MI 11 has better colour depth than Samsung Galaxy A51.
Contrast Ratio - 5000000:1
HDR - Yes Xiaomi MI 11 has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Sunlight mode 3.0
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 480 Hz
Display Features Edge-to-Edge screen, Infinity O display DCI-P3 Wide colour gamut, Dot Display, True Colour, Reading mode 3, AdaptiveSync technology, Quad-curved display, AI display, DisplayMate A+, hardware-level mistouch sensor, Super Resolution technology
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy A51 Xiaomi MI 11
Processor Type (CPU) Samsung Exynos 9611 Qualcomm Snapdragon 888
Clock Speed 2.3 GHz 2.84 GHz Xiaomi MI 11 has higher clock speed than Samsung Galaxy A51.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy A51 has 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 660
MEMORY Samsung Galaxy A51 Xiaomi MI 11
RAM 4 GB LPDDR5 SDRAM - 8 GB Xiaomi MI 11 has more RAM than Samsung Galaxy A51.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory 107 GB -
Memory Interface - UFS 3.1
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A51 Xiaomi MI 11
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 108 Megapixel Xiaomi MI 11 has better camera resolution than Samsung Galaxy A51.
Sensor Size - 1/1.33"
Lens Aperture F/2.0 F/1.85 Xiaomi MI 11 has better lens aperture than Samsung Galaxy A51.
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Xiaomi MI 11 has optical stabilisation.
Focus Adjustment Automatic -
Digital Zoom 8x -
Special Effects - Cinematic video filters
HDR Mode - HDR10+ video
Camera Modes Slow motion mode, Live Focus mode Slow Shutter, Night Mode 2.0, AI Erase 2.0, Ultra Night Video, One-Click AI Cinema, Magic Zoom, Time Freeze, Night Time-lapse, Parallel World, Freeze Frame Video, Pro Time-lapse
Light Source LED flash LED flash
Video Resolutions Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (8K) at 24 fps, 7680 x 4320 (8K) at 30fps
Camera Features (Functions) AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur 4-in-1 Super Pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 13 Megapixel Xiaomi MI 11 has better second camera resolution than Samsung Galaxy A51.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.4 Samsung Galaxy A51 has better second camera lens aperture than Samsung Galaxy A51.
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 5 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Camera Functions (3rd Camera) Macro camera -
Camera Features (3rd Camera) - AF (3cm-10cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel -
Lens Type (4th Camera) Telephoto lens Tele-macro 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) 32 Megapixel 20 Megapixel Samsung Galaxy A51 has better front camera resolution than Xiaomi MI 11.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Pixel Size (Front) - 0.8 μm
Focus Adjustment Focus free -
Special Effects (Front) - HDR
Camera Modes (Front) - Night Selfie
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, Slo-mo video 1280 x 720 (720p) at 120 fps
Camera Features (Front) - 4-in-1 Super Pixel technology
BATTERY AND CHARGING Samsung Galaxy A51 Xiaomi MI 11
Battery Capacity (Battery Size) 4000 mAh 4600 mAh Xiaomi MI 11 has larger battery capacity than Samsung Galaxy A51.
Recharge Time (Charging Time) - 45 min
Wireless Charging - Yes Xiaomi MI 11 can be charged wirelessly.
Talk Time 1920 minutes -
Run Time Details 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 Samsung Galaxy A51 Xiaomi MI 11
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Xiaomi MI 11 has more advanced generation mobile network.
Operating System Android 10 Android 11
User Interface One UI MIUI 12
Intelligent Assistant Bixby -
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy A51 Xiaomi MI 11
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 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band 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 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41, Band 42, Band 66
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 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac/ax, Infrared (IR)
Bluetooth Bluetooth 5.0 LE Bluetooth 5.2
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes - Samsung Galaxy A51 has NFC reader for mobile payments.
Modem - Snapdragon X60 5G
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A51 Xiaomi MI 11
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID AAC, LDAC, LHDC
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements - Hi-Res audio certified
FEATURES Samsung Galaxy A51 Xiaomi MI 11
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, proximity sensor, digital compass, gyroscope, 360° ambient light sensor 2.0
Security Devices Fingerprint reader (under display) Fingerprint reader (under display with heart rate monitoring), face recognition
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines MIMO technology, AI face unlock, linear motor, 10W reverse wireless charging, dual stereo speakers tuned by Harman Kardon, X-axis linear vibration motor, Voice isolation, Qualcomm 6th generation AI Engine
OTHERS Samsung Galaxy A51 Xiaomi MI 11
Included Accessories Power adapter SIM card removal tool, USB-C to 3.5 jack adapter, USB-C cable, soft case, 55W GaN power adapter
Compliant Standards - SGS Eye Care Display Certification
Other projects: