Side by side comparison and review of Samsung Galaxy A51 5G 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-A516B/DS | TA-1486 | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 158.9 mm | 168 mm | Nokia XR21 has greater height than Samsung Galaxy A51 5G. |
| Width | 73.6 mm | 78.58 mm | Nokia XR21 has greater width than Samsung Galaxy A51 5G. |
| Depth | 8.7 mm | 10.45 mm | Samsung Galaxy A51 5G is narrower than Samsung Galaxy A51 5G. |
| Weight | 187 g | 231 g | Samsung Galaxy A51 5G is lighter than Samsung Galaxy A51 5G. |
| Body Colour | Prism cube black | Prism cube 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 | 1.555 W/kg (body), 0.496 W/kg (head) | 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 | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Infinity-O Super AMOLED | - | |
| Screen Size (Display Size) | 6.5" | 6.49" | Samsung Galaxy A51 5G 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+ | |
| 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 | Glove & Wet Touch, 82% NTSC | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 695 5G | |
|---|---|---|---|
| Processor Number | - | SM6375 | |
| Clock Speed | 2.2 GHz | 2.2 GHz | Both phones have the same clock speed. |
| 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) | - | Qualcomm ADRENO 619 |
| MEMORY | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| RAM | 6 GB | 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 | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 1 TB | - |
| CAMERA | Samsung Galaxy A51 5G | 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 5G. |
| Lens Aperture | F/2.0 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 8x | - | |
| Special Effects | Bokeh effect | - | |
| Camera Modes | Slow motion video | 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, Slo-mo video 1280 x 720 (720p) at 480 fps | - | |
| Camera Features (Functions) | Live Focus, background blur | Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Samsung Galaxy A51 5G 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 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 Nokia XR21. |
| Lens Aperture (Front) | F/2.2 | - | |
| Focus Adjustment | Focus free | - |
| BATTERY AND CHARGING | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 4800 mAh | Nokia XR21 has larger battery capacity than Samsung Galaxy A51 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0 | Nokia XR21 has fast charging technology. |
| Talk Time | 1380 minutes | - | |
| 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 |
Mixed usage: up to 48 hrs |
| CELLULAR | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | - | Android 12 | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS |
| COMMUNICATIONS | Samsung Galaxy A51 5G | Nokia XR21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | 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 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 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 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 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 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 | N41, n78 | N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25 | |
| 5G NR Frequency | TDD TD 2500, TDD TD 3500 | 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 | Bluetooth 5.1 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X51 5G | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy A51 5G | 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 5G | Nokia XR21 |
|---|
| 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, 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, Bixby Routines, Virtual Proximity Sensing | Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function |
| OTHERS | Samsung Galaxy A51 5G | 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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