In depth comparison and review of Alcatel Idol 4 and Realme C31. 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 | Alcatel Idol 4 | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 147 mm | 164.7 mm | Realme C31 has greater height than Alcatel Idol 4. |
| Width | 72.5 mm | 76.1 mm | Realme C31 has greater width than Alcatel Idol 4. |
| Depth | 7.1 mm | 8.4 mm | Alcatel Idol 4 is narrower than Alcatel Idol 4. |
| Weight | 135 g | 197 g | Alcatel Idol 4 is lighter than Alcatel Idol 4. |
| Body Colour | Metallic silver | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | Alcatel Idol 4 | Realme C31 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 5.2" | 6.5" | Realme C31 has larger screen size than Alcatel Idol 4. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | Alcatel Idol 4 has better screen resolution than Realme C31. |
| Display Format | Full HD | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | - | Ultra-clear View |
| PROCESSOR | Alcatel Idol 4 | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm | Unisoc | |
|---|---|---|---|
| Processor Number | MSM8952 | T612 | |
| Clock Speed | 1.7 GHz | 1.82 GHz | Realme C31 has higher clock speed than Alcatel Idol 4. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | ARM Mali-G57 |
| MEMORY | Alcatel Idol 4 | Realme C31 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Realme C31 has more RAM than Alcatel Idol 4. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Realme C31 has more internal memory than Alcatel Idol 4. |
| User Memory | 10 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Alcatel Idol 4 | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | - | F/2.2 | |
| Lens Construction | 6-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, manual mode, Instant shot | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS) | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 0.3 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.8 | |
| Camera Functions (3rd Camera) | - | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | Alcatel Idol 4 has better front camera resolution than Realme C31. |
| Lens Aperture (Front) | - | F/2.2 | |
| Lens Element Qty (Front) | - | 3-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Beauty mode, Filter mode | |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | - | AI Selfie |
| BATTERY AND CHARGING | Alcatel Idol 4 | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 2610 mAh | 5000 mAh | Realme C31 has larger battery capacity than Alcatel Idol 4. |
|---|---|---|---|
| Recharge Time (Charging Time) | 120 min | - |
| CELLULAR | Alcatel Idol 4 | Realme C31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 6.0 (Marshmallow) | Android 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, A-GPS | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | Alcatel Idol 4 | Realme C31 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, 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 | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| NFC | Yes | - | Alcatel Idol 4 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Alcatel Idol 4 | Realme C31 |
|---|
| Supported Digital Audio Standards | WAV, PCM, Ogg Vorbis, AMR, MP3, FLAC, AAC-LC, AAC +, MIDI | - | |
|---|---|---|---|
| Supported Digital Video Standards | AVC, MPEG-4, H.264, H.263, HEVC, VP8, VP9 | - | |
| Sound Enhancements | Hi-Fi Sound support | - |
| FEATURES | Alcatel Idol 4 | Realme C31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | - | Fingerprint reader (side) | |
| Additional Phone Features | Radio Data Service (RDS), HD Voice, Dual noise reduction microphones | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | Alcatel Idol 4 | Realme C31 |
|---|
| Included Accessories | Stereo headset, USB cable, power adapter, SIM card removal tool, Virtual Reality Googles | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | HAC (Hearing Aid Compatible) | TUV Rheinland |
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