Samsung Galaxy A51 vs. Nokia XR21

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A51 and Nokia XR21. 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 vs. Nokia XR21 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A51 Nokia XR21
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A515F/DSN TA-1486
Form Factor Touch Touch - Rugged
Height 158.5 mm 168 mm Nokia XR21 has greater height than Samsung Galaxy A51.
Width 73.6 mm 78.58 mm Nokia XR21 has greater width than Samsung Galaxy A51.
Depth 7.9 mm 10.45 mm Samsung Galaxy A51 is narrower than Samsung Galaxy A51.
Weight 172 g 231 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 black | Pine green
Body Material - Polycarbonate, thermoplastic polyurethane (TPU)
Protection - Dustproof, drop-proof, water-resistant
Waterproof (Water-resistant) - Yes Nokia XR21 is waterproof.
IP rating - IP68, IP69K, IP69
SAR Value 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) 1.16 W/kg (body), 1.1 W/kg (head)
Integrated Components - LED flashlight
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, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A51 Nokia XR21
Display Type OLED display -
Display Technology Super AMOLED -
Screen Size (Display Size) 6.5" 6.49" Samsung Galaxy A51 has larger screen size than Nokia XR21.
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+
Pixel Density 408 ppi -
Aspect Ratio - 20:9
Max Brightness - 550 cd/m²
Colour Depth 16.7 million colours -
Display Refresh Rate - 120 Hz
Display Features Edge-to-Edge screen, Infinity O display Glove & Wet Touch, 82% NTSC
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy A51 Nokia XR21
Processor Type (CPU) Samsung Exynos 9611 Qualcomm Snapdragon 695 5G
Processor Number - SM6375
Clock Speed 2.3 GHz 2.2 GHz Samsung Galaxy A51 has higher clock speed than Nokia XR21.
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 619
MEMORY Samsung Galaxy A51 Nokia XR21
RAM 4 GB 6 GB Nokia XR21 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 -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A51 Nokia XR21
MAIN CAMERA
Number of Main Cameras 4 2
Sensor Resolution 48 Megapixel 64 Megapixel Nokia XR21 has better camera resolution than Samsung Galaxy A51.
Lens Aperture F/2.0 -
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Camera Modes Slow motion mode, Live Focus mode AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode
Light Source LED flash Dual LED flash
Video Resolutions Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps -
Camera Features (Functions) AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Samsung Galaxy A51 has better second camera resolution than Nokia XR21.
Lens Type (2nd Camera) Ultra wide-angle lens 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) 32 Megapixel 16 Megapixel Samsung Galaxy A51 has better front camera resolution than Nokia XR21.
Lens Aperture (Front) F/2.2 -
Focus Adjustment Focus free -
BATTERY AND CHARGING Samsung Galaxy A51 Nokia XR21
Battery Capacity (Battery Size) 4000 mAh 4800 mAh Nokia XR21 has larger battery capacity than Samsung Galaxy A51.
Fast Charging Technology - Qualcomm Quick Charge 3.0, Power Delivery 2.0 Nokia XR21 has fast charging technology.
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
Mixed usage: up to 48 hrs
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy A51 Nokia XR21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Nokia XR21 has more advanced generation mobile network.
Operating System Android 10 Android 12
User Interface One UI -
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS
COMMUNICATIONS Samsung Galaxy A51 Nokia XR21
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE LTE, 5G NR
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 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66, Band 71
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 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600
5G NR Band - N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25
5G NR Frequency - FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 LE Bluetooth 5.1
Bluetooth Profiles HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP -
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem - Snapdragon X51 5G
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A51 Nokia XR21
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 - OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode
FEATURES Samsung Galaxy A51 Nokia XR21
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, barometer, gyroscope
Security Devices Fingerprint reader (under display) Face recognition, fingerprint reader (side)
Security Technology - Face Unlock
Additional Phone Features Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function
OTHERS Samsung Galaxy A51 Nokia XR21
Included Accessories Power adapter SIM card removal tool, USB-C cable
Compliant Standards - IP68, IP69K, MIL-STD-810H
Product Recycled Content - 100 % - aluminium inner chassis
Max Height of Shock Resistance - 1.8 m
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