Realme C75x has better RAM than Xiaomi Redmi 15C 5G. In terms of display resolution, Realme C75x has better resolution of 1604 x 720 than Xiaomi Redmi 15C 5G which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi 15C 5G | Realme C75x |
| RAM | 4 GB | 6 GB |
|---|---|---|
| Display | 6.9 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 5180 mAh |
| Camera | 50 MP + Auxiliary lens Dual | 50 MP + 2 MP Dual |
| Price | Rs. 12499 | Rs. 14990 |
The launch Date of the first phone is December 03, 2025. The cost of Xiaomi Redmi 15C 5G is Rs. 12499. The launch Date of the second phone is December 18, 2025 (Expected). The Expected cost of Realme C75x is Rs. 14990.
Realme C75x has screen size of 6.67 inches which falls short to Xiaomi Redmi 15C 5G's 6.9 inch screen. Xiaomi Redmi 15C 5G has IPS LCD Screen type where as Realme C75x has IPS Screen type. Realme's phone has display density of 264 PPI & Xiaomi's phone has only 254 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 89.97% than Xiaomi's phone ~ 82.1%. Xiaomi Redmi 15C 5G has 20.6:9 aspect ratio where as Realme C75x has 20:9 aspect ratio.
Realme C75x's larger 6 GB RAM is better for playing games and all with respect to Xiaomi Redmi 15C 5G's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
They both have the same 50 MP + Auxiliary lens Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Xiaomi Redmi 15C 5G | Realme C75x |
| General | ||
| Model | 15C 5G | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 4 years | |
| Release Date | December 03, 2025 | December 18, 2025 (Expected) |
| In The Box | Dark Purple, Moonlight Blue, Midnight Black | |
| Design | ||
| Dimensions | 79.47 x 171.56 x 7.99 mm | |
| Weight | 211 g | |
| Bezel less | No | |
| Colors | Jewel Red, Crystal Black, Golden Glow | |
| Display | ||
| Type | Color IPS LCD Screen (16M Colors) | Color IPS Screen (16.7M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 720 x 1600 pixels, 120 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 20.6:9 | 20:9 |
| PPI | ~ 254 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 82.1% | ~ 89.97% |
| Brightness | 660 nits (typ), 810 nits HBM | |
| Features | TÜV Rheinland Low Blue Light (Software Solution) Certified, TÜV Rheinland Circadian Friendly Certified, TÜV Rheinland Flicker Free Certified, Contrast ratio: 1200:1, Color gamut: 83% NTSC | Brightness: 500 Nits (Typical) | 625 Nits (HBM), Pixel Arrangement: RGB, Relative Humidity: 5% to 95% (Non-Condensing), Dimming Mode: DC Dimming, Supports Eye Comfort, Supports Dark Mode |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 6 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 1 TB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi: 2.4GHz | 5GHz | Support 802.11 a/b/g/n/ac |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDC |
| USB | Yes | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | No | |
| Extra | ||
| GPS | GPS | Glonass | Galileo | Beidou | Yes, with Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1),QZSS(L1) |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Virtual Proximity Sensor, Ambient Light Sensor Accelerometer, Electronic compass | Geomagnetic , Light, Proximity, Acceleration, Flicker Sensor |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Gemini, Circle to Search | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) (Auxiliary lens) | 50 MP (Wide Angle) 2 MP (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | HDR Mode, Night Mode, Auto Night Mode, Portrait Mode, Time-lapse | |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 8 MP (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | HyperOS 2 | Realme UI 6 |
| Chipset | Mediatek Dimensity 6300 | |
| CPU | 2.4 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | Arm Mali-G57 MC2 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA |
| Video | Yes | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-Po Battery | 5180 mAh |
| Fast Charging | Yes, 33W | Yes, 45W SUPERVOOC Charge |
| Reverse Charging | Yes | Yes |