In depth comparison and review of Acer Liquid E3 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 | Acer Liquid E3 | Realme C21 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 136 mm | 165.2 mm | Realme C21 has greater height than Acer Liquid E3. |
| Width | 68 mm | 76.4 mm | Realme C21 has greater width than Acer Liquid E3. |
| Depth | 9 mm | 8.9 mm | Realme C21 is narrower than Acer Liquid E3. |
| Weight | 143 g | 190 g | Acer Liquid E3 is lighter than Acer Liquid E3. |
| Body Colour | Black | Silver | Cross black | Cross blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.7 W/kg (body), 0.32 W/kg (head) | - | |
| Integrated Components | FM radio | - | |
| 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) | Micro SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Acer Liquid E3 | Realme C21 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | LCD | |
| Screen Size (Display Size) | 4.7" | 6.5" | Realme C21 has larger screen size than Acer Liquid E3. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1600 x 720 pixels | Realme C21 has better screen resolution than Acer Liquid E3. |
| Display Format | HD | HD+ | |
| Pixel Density | 312 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | - | 420 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Display Features | - | Mini-drop display |
| PROCESSOR | Acer Liquid E3 | Realme C21 |
|---|
| Processor Type (CPU) | MediaTek | MediaTek Helio G35 | |
|---|---|---|---|
| Processor Number | MT6589 | - | |
| Clock Speed | 1.2 GHz | 2.3 GHz | Realme C21 has higher clock speed than Acer Liquid E3. |
| Processor Core Qty | Quad-core | 8-core | Realme C21 has higher processor core quantity than Acer Liquid E3. |
| Graphics System (GPU) | PowerVR SGX544 | PowerVR GE8320 |
| MEMORY | Acer Liquid E3 | Realme C21 |
|---|
| RAM | 1 GB | LPDDR4X SDRAM - 3 GB | Realme C21 has more RAM than Acer Liquid E3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 4 GB | 32 GB | Realme C21 has more internal memory than Acer Liquid E3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC - up to 32 GB | microSD |
| CAMERA | Acer Liquid E3 | Realme C21 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/1.8 | F/2.2 | Acer Liquid E3 has better lens aperture than Acer Liquid E3. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | - | 4x | |
| Self-Timer Delay | 10 sec, 2sec | - | |
| Special Effects | Negative, Sepia, whiteboard, Blackboard, sunset, snow, aqua, Mono, Party/Indoor, Fireworks, Theatre, Beach, Candlelight | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panoramic pictures, landscape/portrait mode, night mode, sport mode, Continuous shot, Best Shot, Auto mode, Auto scene detection mode, Multi angle view mode, Bright magic Plus mode | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | |
| Face Recognition (Face ID) | Face detection, smile shutter | - | Acer Liquid E3 has face detection. |
| White Balance | Automatic, presets | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Exposure compensation | 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) | 2 Megapixel | 5 Megapixel | Realme C21 has better front camera resolution than Acer Liquid E3. |
| Lens Aperture (Front) | - | F/2.2 | |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | Beauty face | 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) | LED flash | - |
| BATTERY AND CHARGING | Acer Liquid E3 | Realme C21 |
|---|
| Battery Capacity (Battery Size) | - | 5000 mAh | |
|---|---|---|---|
| Standby Time | 260 hours | - | |
| Talk Time | 300 minutes | - | |
| Run Time Details | Talk: up to 300 hrs Standby: up to 260 hrs |
- | |
| Battery Technology | Lithium Ion | - |
| CELLULAR | Acer Liquid E3 | Realme C21 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Realme C21 has more advanced generation mobile network. |
| Operating System | Android 4.2.2 (Jelly Bean) | Android 10 | |
| User Interface | Acer Float UI | Realme UI | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Acer Liquid E3 | Realme C21 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | 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 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 | Wi-Fi | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth | Bluetooth 5.0 | |
| WLAN Security | WPA, WPA2 | - | |
| Communication Features | Mobile Email client, Internet browser | - | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Acer Liquid E3 | Realme C21 |
|---|
| Supported Digital Audio Standards | WAV, AAC, MP3 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - | |
| Sound Enhancements | DTS Sound support | - |
| FEATURES | Acer Liquid E3 | 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 | Accelerometer, proximity sensor, magnetometer, light sensor | |
| Security Devices | - | Fingerprint reader | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
| Additional Phone Features | Multitasking, AcerRAPID function | Super power saving mode, HyperEngine technology, Reverse charging |
| OTHERS | Acer Liquid E3 | Realme C21 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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