Side by side comparison and review of HTC One (A9) and Realme C31. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | HTC One (A9) | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 145.75 mm | 164.7 mm | Realme C31 has greater height than HTC One (A9). |
| Width | 70.8 mm | 76.1 mm | Realme C31 has greater width than HTC One (A9). |
| Depth | 7.26 mm | 8.4 mm | HTC One (A9) is narrower than HTC One (A9). |
| Weight | 143 g | 197 g | HTC One (A9) is lighter than HTC One (A9). |
| Body Colour | Topaz gold | Opal silver | Carbon grey | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.41 W/kg | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
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 | HTC One (A9) | Realme C31 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 5" | 6.5" | Realme C31 has larger screen size than HTC One (A9). |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1600 x 720 pixels | HTC One (A9) has better screen resolution than Realme C31. |
| Display Format | Full HD | HD+ | |
| Pixel Density | 440 ppi | - | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | - | 16.7 million colours | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | - | Ultra-clear View | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | HTC One (A9) | Realme C31 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 617 | Unisoc | |
|---|---|---|---|
| Processor Number | - | T612 | |
| Clock Speed | 1.5 GHz | 1.82 GHz | Realme C31 has higher clock speed than HTC One (A9). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | HTC One (A9) has 64-bit architecture. |
| Graphics System (GPU) | - | ARM Mali-G57 |
| MEMORY | HTC One (A9) | Realme C31 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Realme C31 has more RAM than HTC One (A9). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Realme C31 has more internal memory than HTC One (A9). |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | HTC One (A9) | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Sensor Type | BSI-CMOS | - | |
| Lens Aperture | F/2.0 | F/2.2 | HTC One (A9) has better lens aperture than HTC One (A9). |
| Lens Construction | - | 5-element | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | HTC One (A9) has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | Pro mode | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | LED light | 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) | Sapphire crystal lens cover | 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) | 4 Megapixel | 5 Megapixel | Realme C31 has better front camera resolution than HTC One (A9). |
| Lens Aperture (Front) | F/2.0 | F/2.2 | HTC One (A9) has better front lens aperture than HTC One (A9). |
| Lens Element Qty (Front) | - | 3-element | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Beauty mode, Filter mode | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | HTC UltraPixel Camera | AI Selfie |
| BATTERY AND CHARGING | HTC One (A9) | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 2150 mAh | 5000 mAh | Realme C31 has larger battery capacity than HTC One (A9). |
|---|---|---|---|
| Standby Time | 432 hours | - | |
| Talk Time | 960 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 960 min Standby (WCDMA): up to 432 hrs Active online usage (Wi-Fi): up to 9 hrs Playback (audio): up to 60 hrs Playback (video): up to 12 hrs |
- | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | HTC One (A9) | 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 | HTC Sense | Realme UI (R Edition) | |
| Navigation | GPS, GLONASS | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | HTC One (A9) | 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 | 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 | IEEE 802.11a/b/g/n/ac | Wi-Fi | |
| Bluetooth | Bluetooth 4.1 | Bluetooth 5.0 | |
| NFC | Yes | - | HTC One (A9) has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | HTC One (A9) | Realme C31 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, AC-3, OGG, MIDI, M4A, EC3 | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, MPEG-4, WMV, 3GP, 3G2 | - | |
| Sound Enhancements | Dolby sound technology | - |
| FEATURES | HTC One (A9) | Realme C31 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (side) | |
| Additional Phone Features | DLNA Certified, HTC BlinkFeed, Hi-Res Audio, Android Sensor Hub | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | HTC One (A9) | Realme C31 |
|---|
| Included Accessories | Power adapter | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
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