In depth comparison and review of Realme C21 and emporiaSMART.4. 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 | Realme C21 | emporiaSMART.4 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 138 mm | Realme C21 has greater height than emporiaSMART.4. |
| Width | 76.4 mm | 66 mm | Realme C21 has greater width than emporiaSMART.4. |
| Depth | 8.9 mm | 11 mm | Realme C21 is narrower than Realme C21. |
| Weight | 190 g | 155 g | emporiaSMART.4 is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Black | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP54 | |
| SAR Value | - | 1.4 W/kg (body), 0.47 W/kg (head), 2.95 W/kg (limb) | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
USB Type-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | Realme C21 | emporiaSMART.4 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | LCD | - | |
| Screen Size (Display Size) | 6.5" | 5" | Realme C21 has larger screen size than emporiaSMART.4. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 960 x 480 pixels | Realme C21 has better screen resolution than emporiaSMART.4. |
| Display Format | HD+ | - | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 420 cd/m² | - | |
| Display Features | Mini-drop display | - |
| PROCESSOR | Realme C21 | emporiaSMART.4 |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | - | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | 1.5 GHz | Realme C21 has higher clock speed than emporiaSMART.4. |
| Processor Core Qty | 8-core | Quad-core | Realme C21 has higher processor core quantity than emporiaSMART.4. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | emporiaSMART.4 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 3 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 32 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | microSDHC, microSD, microSDXC - up to 64 GB |
| CAMERA | Realme C21 | emporiaSMART.4 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.2 | - | |
| 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 | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | QR-code scanner |
| 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) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.2 | - | |
| 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. |
| BATTERY AND CHARGING | Realme C21 | emporiaSMART.4 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 2500 mAh | Realme C21 has larger battery capacity than emporiaSMART.4. |
|---|---|---|---|
| Standby Time | - | 168 hours | |
| Talk Time | - | 550 minutes | |
| Run Time Details | - | Talk: up to 550 min Standby: up to 168 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Realme C21 | emporiaSMART.4 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 10 | Android 10 | |
| User Interface | Realme UI | Emporia | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Realme C21 | emporiaSMART.4 |
|---|
| Data Transmission | FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, VoWiFi | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 850, 900 | - | |
| 4G LTE Band | 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, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | - | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| NFC | - | Yes | emporiaSMART.4 has NFC reader for mobile payments. |
| FEATURES | Realme C21 | emporiaSMART.4 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | - | |
| Security Devices | Fingerprint reader | - | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | SOS button, emporia emergency function, Alarm Clock |
| OTHERS | Realme C21 | emporiaSMART.4 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Headset, power adapter, USB-C cable, additional battery cover without emergency call button | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | IP54, HAC (Hearing Aid Compatible) |
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