This is a side-by-side specs comparison of the realme C75x and Redmi 15 5G smartphones.
The realme C75x features a 6.67-inch display, 5,600mAh battery, 45W fast charging, IP66 dust & water resistance and MediaTek Helio G81 Ultra chipset.
Meanwhile, the Redmi 15 5G features a slightly larger 6.9-inch display, 7,000mAh battery, 33W fast charging, IP64 dust & water resistance and Qualcomm Snapdragon 6s Gen 3 chipset.
| Specs | realme C75x | Redmi 15 5G |
|---|---|---|
| Picture & Ratings |
★★★★★ 3.4/5 stars (62)
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★★★★★ 3.1/5 stars (107)
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| Design and Display | ||
| Display | 6.67-inch HD+ IPS LCD Display (720 x 1604 Pixels 264 ppi) with ArmorShell Glass, 20:9 Aspect Ratio, 120Hz Refresh Rate, 625nits max brightness, 500nits typ., and punch-hole | 6.9-inch FHD+ IPS LCD Display (1080 x 2340 Pixels, 374 ppi) with up to 144Hz Refresh Rate (supported apps only), 700nits typical brightness, 850nits HBM, and punch-hole |
| Size | 165.69 x 76.22 x 7.99 mm | 169.48 x 80.45 x 8.4 mm |
| Weight | 196 g | 217 g |
| Build | Glass front, Polycarbonate back | Glass front, Plastic back |
| Durability | IP66/IP68/IP69 water & dust resistance, MIL-STD-810H shock resistance, 1.8-meter drop resistance | IP64 dust & splash resistance |
| Colors | Oceanic Blue, Coral Pink | Midnight Black, Titan Gray, Ripple Green |
| Our pick: |
✔
Redmi 15 5G The Redmi 15 5G has a larger, sharper, brighter, and smoother display. |
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| Performance | ||
| Chipset | MediaTek Helio G81 Ultra (12 nm) | Qualcomm Snapdragon 6s Gen 3 (6 nm) |
| CPU | Octa Core CPU 2x Cortex-A75 @ 2.0GHz & 6x Cortex-A55 @ 1.8GHz |
Octa Core CPU 2x Cortex-A78 @ 2.3GHz & 6x Cortex-A55 @ 2.0GHz |
| GPU | Mali-G52 MC2 | Adreno 619 |
| RAM | 8 GB | 4 GB |
| Storage | 128GB | 128GB |
| Expansion | 1TB via microSD | 2TB via microSD |
| OS | Android 15 with realme UI 6.0 | Android 15 with Xiaomi HyperOS 2 |
| Our pick: |
✔
realme C75x
The realme C75x has better performance and a higher RAM capacity. |
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| Cameras | ||
| Rear Camera | Dual Cameras: 50MP Main Camera (f/1.8 Aperture, Autofocus) Adjunct secondary camera -LED Flash -Up to 1080p video recording |
Dual Cameras: 50MP Main Camera (f/1.8 aperture, Autofocus) Auxiliary lens -LED Flash -Up to 1080p@30fps video recording |
| Front Camera |
5 Megapixels (f/2.2 Aperture) - Up to 1080p video recording |
8 Megapixels (f/2.0 aperture) - Up to 1080p@30fps video recording |
| Our pick: |
Tie
Based on the listed specifications, both phones offer comparable camera capabilities. Actual camera quality may still differ due to image processing and real-world performance. |
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| Connectivity | ||
| Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks | 5G, 4G LTE (with VoLTE), 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 5.1 |
| Infrared | Yes | |
| Location | GPS, GLONASS, GALILEO, BeiDou, QZSS | GPS, GLONASS, GALILEO, BeiDou |
| Our pick: |
✔
Redmi 15 5G
The Redmi 15 5G has better cellular connectivity. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | No | No |
| Audio Enhancement | Up to 400% speaker volume | Dolby Atmos |
| FM Radio | No | No |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
| Our pick: |
✔
Redmi 15 5G
Based on the specs, it has Dolby Atmos and a compass. |
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| Battery and Charging | ||
| Battery | 5600 mAh (Non-removable) | 7000 mAh (Non-removable) |
| Charging | 45W Fast Charging (100% in 90 minutes) |
33W Fast Charging (charger sold separately) 18W reverse charging |
| Our pick: |
✔
Redmi 15 5G
The Redmi 15 5G has a larger battery capacity. |
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| Price and Availability | ||
| Price | ₱7,999.00 - Official Price in the Philippines | ₱7,999.00 - Official Price in the Philippines |
| Release Date | March 30, 2025 | September 30, 2025 |
| Buy Online |
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