In depth comparison and review of Samsung Galaxy J5 (2017) DUOS and Realme C21. 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.
| DESIGN AND DIMENSIONS | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J530F/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 146.2 mm | 165.2 mm | Realme C21 has greater height than Samsung Galaxy J5 (2017) DUOS. |
| Width | 71.3 mm | 76.4 mm | Realme C21 has greater width than Samsung Galaxy J5 (2017) DUOS. |
| Depth | 8 mm | 8.9 mm | Samsung Galaxy J5 (2017) DUOS is narrower than Samsung Galaxy J5 (2017) DUOS. |
| Weight | 160 g | 190 g | Samsung Galaxy J5 (2017) DUOS is lighter than Samsung Galaxy J5 (2017) DUOS. |
| Body Colour | Gold | Black | Silver blue | Cross black | Cross blue | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.36 W/kg (body), 0.349 W/kg (head) | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Super AMOLED | LCD | |
| Screen Size (Display Size) | 5.2" | 6.5" | Realme C21 has larger screen size than Samsung Galaxy J5 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | Realme C21 has better screen resolution than Samsung Galaxy J5 (2017) DUOS. |
| Display Format | HD | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Mini-drop display |
| PROCESSOR | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Processor Type (CPU) | - | MediaTek Helio G35 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2.3 GHz | Realme C21 has higher clock speed than Samsung Galaxy J5 (2017) DUOS. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | PowerVR GE8320 |
| MEMORY | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 3 GB | Realme C21 has more RAM than Samsung Galaxy J5 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Realme C21 has more internal memory than Samsung Galaxy J5 (2017) DUOS. |
| User Memory | 10.1 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | CMOS | - | |
| Lens Aperture | F/1.7 | F/2.2 | Samsung Galaxy J5 (2017) DUOS has better lens aperture than Samsung Galaxy J5 (2017) DUOS. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Special Effects | - | HDR | |
| Camera Modes | - | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Light Source | Flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Camera Functions (2nd Camera) | - | B&W lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Camera Functions (3rd Camera) | - | Macro camera | |
| Camera Features (3rd Camera) | - | 4cm macro photography |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 5 Megapixel | Samsung Galaxy J5 (2017) DUOS has better front camera resolution than Realme C21. |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.9 | F/2.2 | Samsung Galaxy J5 (2017) DUOS has better front lens aperture than Samsung Galaxy J5 (2017) DUOS. |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | |
| Face Recognition (Face ID) | - | Face recognition | Realme C21 has face detection. |
| Light Source (Front) | Flash | - |
| BATTERY AND CHARGING | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5000 mAh | Realme C21 has larger battery capacity than Samsung Galaxy J5 (2017) DUOS. |
|---|---|---|---|
| Talk Time | 1260 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 1260 min Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 14 hrs Playback (video): up to 19 hrs Playback (audio): up to 83 hrs |
- |
| CELLULAR | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | Android 10 | |
| User Interface | - | Realme UI | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 40 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2300 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, HOGP | - | |
| NFC | Yes | - | Samsung Galaxy J5 (2017) DUOS has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, gyro sensor, hall sensor, RGB sensor, geomagnetic sensor | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | - | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Samsung Galaxy J5 (2017) DUOS | Realme C21 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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