Detailed comparison and review of Samsung Galaxy J7 (2017) DUOS and Nokia XR21. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J730F/DS | TA-1486 | |
| Form Factor | Touch | Touch - Rugged | |
| Height | 152.5 mm | 168 mm | Nokia XR21 has greater height than Samsung Galaxy J7 (2017) DUOS. |
| Width | 74.8 mm | 78.58 mm | Nokia XR21 has greater width than Samsung Galaxy J7 (2017) DUOS. |
| Depth | 8 mm | 10.45 mm | Samsung Galaxy J7 (2017) DUOS is narrower than Samsung Galaxy J7 (2017) DUOS. |
| Weight | 181 g | 231 g | Samsung Galaxy J7 (2017) DUOS is lighter than Samsung Galaxy J7 (2017) DUOS. |
| Body Colour | Black | 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 | 1.33 W/kg (body), 0.567 W/kg (head) | 1.16 W/kg (body), 1.1 W/kg (head) | |
| Integrated Components | - | LED flashlight | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B 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 J7 (2017) DUOS | Nokia XR21 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.49" | Nokia XR21 has larger screen size than Samsung Galaxy J7 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Nokia XR21 has better screen resolution than Samsung Galaxy J7 (2017) DUOS. |
| 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 | Always-on display | Glove & Wet Touch, 82% NTSC | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 695 5G | |
|---|---|---|---|
| Processor Number | - | SM6375 | |
| Clock Speed | 1.6 GHz | 2.2 GHz | Nokia XR21 has higher clock speed than Samsung Galaxy J7 (2017) DUOS. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 619 |
| MEMORY | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| RAM | 3 GB | 6 GB | Nokia XR21 has more RAM than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | Nokia XR21 has more internal memory than Samsung Galaxy J7 (2017) DUOS. |
| User Memory | 10 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | Nokia XR21 has better camera resolution than Samsung Galaxy J7 (2017) DUOS. |
| Lens Aperture | F/1.7 | - | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | - | AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode | |
| Light Source | LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | - | Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 16 Megapixel | Nokia XR21 has better front camera resolution than Samsung Galaxy J7 (2017) DUOS. |
| Lens Aperture (Front) | F/1.9 | - |
| BATTERY AND CHARGING | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| Battery Capacity (Battery Size) | 3600 mAh | 4800 mAh | Nokia XR21 has larger battery capacity than Samsung Galaxy J7 (2017) DUOS. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0, Power Delivery 2.0 | Nokia XR21 has fast charging technology. |
| Talk Time | 1440 minutes | - | |
| Run Time Details | Active online usage (WCDMA): up to 12 hrs Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 18 hrs Playback (audio): up to 59 hrs Playback (audio (Always On Display Off)): up to 91 hrs Talk (WCDMA): up to 1440 min |
Mixed usage: up to 48 hrs |
| CELLULAR | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Nokia XR21 has more advanced generation mobile network. |
| Operating System | Google Android | Android 12 | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS |
| COMMUNICATIONS | Samsung Galaxy J7 (2017) DUOS | 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 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 5, Band 7, Band 8, Band 20, Band 40 | 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 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | 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+/ANT | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.1 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, 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 J7 (2017) DUOS | 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, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - | |
| Sound Enhancements | - | OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode |
| FEATURES | Samsung Galaxy J7 (2017) DUOS | Nokia XR21 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyroscope | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | - | Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function |
| OTHERS | Samsung Galaxy J7 (2017) DUOS | 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 |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
