Samsung Galaxy A51 5G vs. Xiaomi Redmi Note 11 Pro+ 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A51 5G and Xiaomi Redmi Note 11 Pro+ 5G. 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 A51 5G vs. Xiaomi Redmi Note 11 Pro+ 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A516B/DS -
Form Factor Touch Touch
Height 158.9 mm 163.65 mm Xiaomi Redmi Note 11 Pro+ 5G has greater height than Samsung Galaxy A51 5G.
Width 73.6 mm 76.19 mm Xiaomi Redmi Note 11 Pro+ 5G has greater width than Samsung Galaxy A51 5G.
Depth 8.7 mm 8.34 mm Xiaomi Redmi Note 11 Pro+ 5G is narrower than Samsung Galaxy A51 5G.
Weight 187 g 204 g Samsung Galaxy A51 5G is lighter than Samsung Galaxy A51 5G.
Body Colour Prism cube black | Prism cube white Graphite grey
Waterproof (Water-resistant) - - Xiaomi Redmi Note 11 Pro+ 5G is waterproof.
SAR Value 1.555 W/kg (body), 0.496 W/kg (head) 0.596 W/kg (head), 0.956 W/kg (body), 1.995 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 -
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Display Type OLED display OLED display
Display Technology Infinity-O Super AMOLED AMOLED
Screen Size (Display Size) 6.5" 6.67" Xiaomi Redmi Note 11 Pro+ 5G has larger screen size than Samsung Galaxy A51 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2400 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ Full HD+
Max Brightness - 1200 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 4500000:1
Display Enhancement Technology - Sunlight mode
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 360 Hz
Display Features Edge-to-Edge screen Reading mode, DCI-P3 Wide colour gamut, Dot Display
PROCESSOR Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Processor Type (CPU) - MediaTek Dimensity 920 5G
Clock Speed 2.2 GHz 2.5 GHz Xiaomi Redmi Note 11 Pro+ 5G has higher clock speed than Samsung Galaxy A51 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Samsung Galaxy A51 5G has 64-bit architecture.
Graphics System (GPU) - ARM Mali-G68 MC4
MEMORY Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
RAM 6 GB LPDDR4X SDRAM - 6 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 105.3 GB -
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 1 TB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 108 Megapixel Xiaomi Redmi Note 11 Pro+ 5G has better camera resolution than Samsung Galaxy A51 5G.
Sensor Size - 1/1.52"
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.8 Xiaomi Redmi Note 11 Pro+ 5G has better lens aperture than Samsung Galaxy A51 5G.
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Special Effects Bokeh effect -
Camera Modes Slow motion video Slow motion mode, night mode, Long exposure mode, AI Skycaping
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, Slo-mo video 1280 x 720 (720p) at 480 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) Live Focus, background blur Dual Native ISO, 2.1μm 9-in-1 Super Pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy A51 5G has better second camera resolution than Xiaomi Redmi Note 11 Pro+ 5G.
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) 120 degree(s) Samsung Galaxy A51 5G has larger second camera lens field of view than Xiaomi Redmi Note 11 Pro+ 5G.
THIRD CAMERA
Sensor Resolution (3rd Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A51 5G has higher resolution third camera than Xiaomi Redmi Note 11 Pro+ 5G.
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 Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 5 Megapixel -
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 16 Megapixel Samsung Galaxy A51 5G has better front camera resolution than Xiaomi Redmi Note 11 Pro+ 5G.
Lens Aperture (Front) F/2.2 F/2.4 Samsung Galaxy A51 5G has better front lens aperture than Samsung Galaxy A51 5G.
Focus Adjustment Focus free -
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Battery Capacity (Battery Size) 4500 mAh 4500 mAh Both phones have the same battery capacity.
Fast Charging Technology - Xiaomi HyperCharge technology Xiaomi Redmi Note 11 Pro+ 5G has fast charging technology.
Recharge Time (Charging Time) - 15 min
Talk Time 1380 minutes 1560 minutes Xiaomi Redmi Note 11 Pro+ 5G has longer battery life when making calls than Samsung Galaxy A51 5G.
Run Time Details Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
Talk: up to 1560 min
Playback (video): up to 18 hrs
Playback (Music): up to 140 hrs
CELLULAR Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System - Android 11
User Interface - MIUI 12.5
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
COMMUNICATIONS Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 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 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, 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 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, 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 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3
5G NR Band N41, n78 N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency TDD TD 2500, TDD TD 3500 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 2300
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 Bluetooth 5.2
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements - Dolby Atmos sound technology, Hi-Res audio certified, Hi-Res audio wireless
FEATURES Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, proximity sensor, digital compass, gyroscope, 360° ambient light sensor
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing JBL Audio, LiquidCool Technology 2.0, X-axis linear vibration motor, IR blaster, super-linear dual speakers, MTW (Multiple Tab Winding) technology, Dual charge pumps
OTHERS Samsung Galaxy A51 5G Xiaomi Redmi Note 11 Pro+ 5G
Included Accessories Power adapter SIM card removal tool, USB-C cable, protective case, 120W charger
Compliant Standards - TUV Rheinland Certified Safe Fast-Charge System, SGS Eye Care Display Certification
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