This is a side-by-side specs comparison of the realme C51 and realme C100i smartphones.
The realme C51 features a 6.74-inch display, 50MP main camera, 5,000mAh battery, 33W fast charging and UNISOC Tiger T612 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. It is more expensive.
| Specs | realme C51 | realme C100i |
|---|---|---|
| Picture & Ratings |
★★★★★ 3.2/5 stars (102)
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★★★★★ 3.3/5 stars (22)
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| Design and Display | ||
| Display | 6.74-inch HD+ IPS LCD Display (720 x 1600 Pixels 260 ppi) with 20:9 Aspect Ratio, 90Hz Refresh Rate, 560 nits peak brightness, and 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 | 167.2 x 76.7 x 7.99 mm | 166.48 x 78.23 x 8.38 mm |
| Weight | 186 g | 208 g |
| Build | Glass front, Plastic back | Glass front, Plastic back |
| Durability | IP64 dust & splash resistance; 2-meter drop protection | |
| Colors | Carbon Black, Mint Green | Grey, Purple |
| Our pick: |
✔
realme C100i The realme C100i has a larger, brighter, and smoother display. It is also more durable, while the realme C51 is lighter and thinner. |
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| Performance | ||
| Chipset | UNISOC Tiger T612 (12 nm) | UNISOC T7250 (12 nm) |
| CPU | Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.8GHz |
Octa Core CPU 2x Cortex-A75 @ 1.8GHz & 6x Cortex-A55 @ 1.6GHz |
| GPU | Mali-G57 | Mali-G57 MP1 |
| RAM | 4 GB | 4 GB |
| Storage | 128GB | 64GB or 128GB |
| Expansion | 2TB via microSD | 1TB via microSD |
| OS | Android 13 with realme UI T Edition | Android 16 with realme UI |
| Our pick: |
Tie
Both phones offer comparable performance specs. |
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| Cameras | ||
| Rear Camera | Dual Cameras: 50MP Main Camera (f/1.8 Aperture, Autofocus) Unspecified secondary camera -LED Flash -Up to 1080p video recording |
8 Megapixels (f/2.0 Aperture, Autofocus) LED Flash Up to 1080p video recording |
| Front Camera |
5 Megapixels (f/2.2 Aperture) - Up to 720p video recording |
5 Megapixels (f/2.2 Aperture) - Up to 720p video recording |
| Our pick: |
✔
realme C51
realme C51 has the more capable camera system with a wider-aperture main camera. |
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| Connectivity | ||
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (dual band) | 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 | GPS, GLONASS, GALILEO, BeiDou | GPS, GLONASS, GALILEO, BeiDou |
| Our pick: |
✔
realme C100i
The realme C100i has newer Bluetooth. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | USB Type-C | 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. |
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| Battery and Charging | ||
| Battery | 5000 mAh Li-Po Battery (Non-removable) | 7000 mAh (Non-removable) |
| Charging | 33W Fast Charging (SUPERVOOC, 50% in 28 minutes) | 15W Charging rate |
| Our pick: |
✔
realme C100i
The realme C100i has a larger battery capacity. |
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| Price and Availability | ||
| Price | ₱6,499.00 - 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 | September 4, 2023 | June 18, 2026 |
| Buy Online |
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