Detailed comparison and review of Realme 9i and Realme C31. 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 | Realme 9i | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 164.4 mm | 164.7 mm | Realme C31 has greater height than Realme 9i. |
| Width | 75.7 mm | 76.1 mm | Realme C31 has greater width than Realme 9i. |
| Depth | 8.4 mm | 8.4 mm | Both phones are the same depth. |
| Weight | 190 g | 197 g | Realme 9i is lighter than Realme 9i. |
| Body Colour | Prism black | Prism blue | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.02 W/kg (body), 2.072 W/kg (limb), 0.788 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | 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 | Dual-SIM |
| DISPLAY | Realme 9i | Realme C31 |
|---|
| Screen Size (Display Size) | 6.6" | 6.5" | Realme 9i has larger screen size than Realme C31. |
|---|---|---|---|
| Screen Resolution (Display Resolution) | 2412 x 1080 pixels | 1600 x 720 pixels | Realme 9i has better screen resolution than Realme C31. |
| Display Format | Full HD+ | HD+ | |
| Pixel Density | 401 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Max Brightness | 480 cd/m² | - | |
| Colour Depth | - | 16.7 million colours | |
| Display Enhancement Technology | Ultra-Smooth | - | |
| Display Refresh Rate | 90 Hz | 60 Hz | Realme 9i has better refresh rate than Realme C31. |
| Touch Sampling Rate | 180 Hz | 120 Hz | |
| Display Features | 5-level fresh rates | Ultra-clear View | |
| Display Protection (Screen Protector) | Dragontrail PRO (scratch resistant glass) | - |
| PROCESSOR | Realme 9i | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 680 | Unisoc | |
|---|---|---|---|
| Processor Number | - | T612 | |
| Clock Speed | 2.4 GHz | 1.82 GHz | Realme 9i has higher clock speed than Realme C31. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 610 | ARM Mali-G57 |
| MEMORY | Realme 9i | Realme C31 |
|---|
| RAM | LPDDR4X SDRAM - 4 GB + up to 11 GB virtual extension | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | Realme 9i has more internal memory than Realme C31. |
| Memory Interface | UFS 2.1 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSD, microSDXC - up to 1 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Realme 9i | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 50 Megapixel | 13 Megapixel | Realme 9i has better camera resolution than Realme C31. |
| Lens Aperture | F/1.8 | F/2.2 | Realme 9i has better lens aperture than Realme 9i. |
| Lens Construction | 5-element | 5-element | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama, Slow motion mode, night mode, Expert Mode, portrait mode, Timelapse video, Ultra Macro Mode, 50MP mode, Super Text, Digital Zoom mode | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 120 fps | 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), AI Triple camera | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/2.4 | F/2.4 | Both phones have the same second camera lens aperture. |
| Camera Functions (2nd Camera) | Macro camera | Macro camera | |
| Camera Features (2nd Camera) | 4cm macro photography | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 0.3 Megapixel | Realme 9i has higher resolution third camera than Realme C31. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | F/2.8 | Realme 9i has better third camera lens aperture than Realme 9i. |
| Camera Functions (3rd Camera) | B&W lens | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 5 Megapixel | Realme 9i has better front camera resolution than Realme C31. |
| Lens Aperture (Front) | F/2.1 | F/2.2 | Realme 9i has better front lens aperture than Realme 9i. |
| Lens Element Qty (Front) | 5-element | 3-element | |
| Special Effects (Front) | HDR | HDR | |
| Camera Modes (Front) | Panorama, Time-lapse mode, night mode, portrait mode, AI Beauty | Beauty mode, Filter mode | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | - | AI Selfie |
| BATTERY AND CHARGING | Realme 9i | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 5000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | Dart Charge | - | Realme 9i has fast charging technology. |
| Standby Time | 995 hours | - | |
| Talk Time | 2904 minutes | - | |
| Run Time Details | Standby: up to 995 hrs Talk: up to 2904 min WhatsApp: up to 20.7 hrs Playback (Music): up to 116.3 hrs |
- |
| CELLULAR | Realme 9i | 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 11 | Android 11 | |
| User Interface | Realme UI 2.0 | Realme UI (R Edition) | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | Realme 9i | Realme C31 |
|---|
| Data Transmission | FDD-LTE, TDD-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 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 850, 900 | 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 | 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 | 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 | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
| NFC | Yes | - | Realme 9i has NFC reader for mobile payments. |
| FEATURES | Realme 9i | Realme C31 |
|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
|---|---|---|---|
| Security Devices | Fingerprint reader (side) | Fingerprint reader (side) | |
| Additional Phone Features | Dual microphones, Fast Charging, Super power saving mode, dual stereo speakers | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | Realme 9i | Realme C31 |
|---|
| Included Accessories | Screen protection film, SIM card removal tool, USB-C cable, protective case, 33W charger | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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