This is a side-by-side specs comparison of the OPPO A31 and realme C100i smartphones.
The OPPO A31 features a 6.5-inch display, 4,230mAh battery, 10W charging rate, triple-camera setup and MediaTek Helio P35 chipset.
Meanwhile, the realme C100i features a slightly larger 6.8-inch display, 7,000mAh battery, 15W charging rate, IP64 dust & water resistance and UNISOC T7250 chipset. The two phones have similar prices.
| Specs | OPPO A31 | realme C100i |
|---|---|---|
| Picture & Ratings |
★★★★★ 3.4/5 stars (380)
|
×
★★★★★ 3.3/5 stars (22)
|
|
|
||
| Design and Display | ||
| Display | 6.5-inch HD+ IPS LCD Display (720 x 1600 Pixels 270 ppi) with 20:9 Aspect Ratio and Waterdrop Notch | 6.8-inch HD+ IPS LCD Display (720 x 1570 Pixels, 254 ppi) with Panda Glass, 120Hz Refresh Rate, 700nits typical brightness, 900nits HBM, and notch |
| Size | 163.9 x 75.5 x 8.3 mm | 166.48 x 78.23 x 8.38 mm |
| Weight | 180 g | 208 g |
| Build | Glossy Plastic | Glass front, Plastic back |
| Durability | IP64 dust & splash resistance; 2-meter drop protection | |
| Colors | Mystery Black and Fantasy White | Grey, Purple |
| Our pick: |
✔
realme C100i The realme C100i has a larger display. It also has better build materials and is more durable, while the OPPO A31 is lighter and slightly thinner. |
|
| Performance | ||
| Chipset | MediaTek Helio P35 | UNISOC T7250 (12 nm) |
| CPU | Octa Core CPU 4x Cortex-A53 @ 2.3GHz & 4x Cortex-A53 @ 1.8GHz |
Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.6GHz |
| GPU | PowerVR GE8320 | Mali-G57 MP1 |
| RAM | 4 GB | 4 GB |
| Storage | 128GB | 64GB or 128GB |
| Expansion | 512GB via microSD | 1TB via microSD |
| OS | Android 9.0 Pie with ColorOS 6.1 | Android 16 with realme UI |
| Our pick: |
Tie
Both phones offer comparable performance specs. |
|
| Cameras | ||
| Rear Camera | Triple Cameras: 12MP Main Camera (f/1.8 Aperture, PDAF) 2MP Macro (f/2.4 Aperture) 2MP Depth Sensor -LED Flash |
8 Megapixels (f/2.0 Aperture, Autofocus) LED Flash Up to 1080p video recording |
| Front Camera |
8 Megapixels (f/2.0 Aperture) |
5 Megapixels (f/2.2 Aperture) - Up to 720p video recording |
| Our pick: |
✔
OPPO A31
Based on the specs, OPPO A31 has a higher-resolution 12MP main camera. |
|
| Connectivity | ||
| Networks | 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n/ac (dual band) |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| NFC | No | No |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 |
| Infrared | ||
| Location | A-GPS | GPS, GLONASS, GALILEO, BeiDou |
| Our pick: |
✔
realme C100i
The realme C100i has newer Bluetooth. |
|
| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | MicroUSB 2.0 | USB Type-C |
| 3.5mm Audio Jack | Yes | Yes |
| Audio Enhancement | None | Up to 300% speaker volume |
| FM Radio | Yes | Yes |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
| Our pick: |
✔
realme C100i
Based on the specs, it has higher maximum volume. |
|
| Battery and Charging | ||
| Battery | 4230 mAh Li-Po Battery (Non-removable) | 7000 mAh (Non-removable) |
| Charging | 10W Charging | 15W Charging rate |
| Our pick: |
✔
realme C100i
The realme C100i has a larger battery capacity and faster charging. |
|
|
|
||
| Price and Availability | ||
| Price | ₱8,990.00 - Official Price in the Philippines | ₱8,999.00 - Official price of 4GB+64GB version in the Philippines ₱11,999.00 - Official price of 4GB+128GB version in the Philippines ₱13,999.00 - Official price of 4GB+256GB version in the Philippines |
| Release Date | March 9, 2020 | June 18, 2026 |
| Buy Online |
|
|
