Realme C75x has better RAM than Xiaomi Redmi A3 (4GB RAM + 128GB). In terms of display resolution, Xiaomi Redmi A3 (4GB RAM + 128GB) has better resolution of 1650 x 720 than Realme C75x which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | Xiaomi Redmi A3 (4GB RAM + 128GB) | Realme C75x |
| RAM | 4 GB | 6 GB |
|---|---|---|
| Display | 6.71 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 5180 mAh |
| Camera | 8 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 7500 | Rs. 14990 |
The launch Date of the first phone is February 14, 2024. The cost of Xiaomi Redmi A3 (4GB RAM + 128GB) is Rs. 7500. The launch Date of the second phone is expected to be December 18, 2025 (Expected). The Expected cost of Realme C75x is Rs. 14990.
Xiaomi Redmi A3 (4GB RAM + 128GB) has larger screen size of 6.71 inches in comparison to Realme C75x's 6.67 inch screen. There is IPS Screen Type in both the phones. Realme's phone has display density of 264 PPI & Xiaomi's phone has only 263 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 90% than Realme's phone ~ 89.97%. Xiaomi Redmi A3 (4GB RAM + 128GB) has 20.5:9 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 A3 (4GB RAM + 128GB)'s lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Realme C75x's 50 MP + 2 MP Dual Rear Camera outshines Xiaomi Redmi A3 (4GB RAM + 128GB)'s 8 MP Dual Rear Camera in terms of resolution. Realme C75x will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Xiaomi Redmi A3 (4GB RAM + 128GB)'s 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 13 and the second one on 15 version.
| Name | Xiaomi Redmi A3 (4GB RAM + 128GB) | Realme C75x |
| General | ||
| Model | Redmi A3 | |
| 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 |
| Release Date | February 14, 2024 | December 18, 2025 (Expected) |
| In The Box | Handset, Adapter, USB Type-C Cable, Sim Eject Tool, Quick Start Guide, Warranty Card | |
| Design | ||
| Dimensions | 76.3 x 168.3 x 8.32 mm | |
| Weight | 199 g | |
| Bezel less | No | |
| Colors | Olive Green, Midnight Black, Lake Blue | Jewel Red, Crystal Black, Golden Glow |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color IPS Screen (16.7M) |
| Touch | Yes | Yes |
| Size | 6.71 inches, 720 x 1650 pixels, 90 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 263 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 90% | ~ 89.97% |
| Glass Type | Corning Gorilla Glass 3 | |
| Features | Brightness: 500 nits | 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, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 6 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, upto 1 TB | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 802.11 a/b/g/n/ac, 2.4GHz/5GHz | Support 802.11 a/b/g/n/ac |
| Bluetooth | Yes, v5.3 | Yes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDC |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes, with GPS, AGPS, Glonass, Beidou | Yes, with Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1),QZSS(L1) |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Ambient Light Sensor, Proximity Sensor, Accelerometer | Geomagnetic , Light, Proximity, Acceleration, Flicker Sensor |
| 3.5mm Headphone Jack | Yes | |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| Dust Resistant | Yes | |
| Extra Features | SAR Limit: 1.6 W/kg, Head: 0.839 W/kg, Body: 0.773 W/kg, Speaker : Mono | |
| Camera | ||
| Rear Camera | 8 MP ƒ/2 (Wide Angle) AI Lens | 50 MP (Wide Angle) 2 MP (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | HDR Mode, Photo Mode, Video Mode, Portrait Mode, Film Filters, Timelapse, Timed Burst, Voice Shutter, Palm Shutter, Watermark, Google Lens | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 8 MP (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v13 | Android v15 |
| Custom UI | Realme UI 6 | |
| Chipset | Mediatek Helio G36 | |
| CPU | 2.2 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 4x Cortex-A53@2.2 GHz & 4x Cortex-A53@1.7 GHz | |
| GPU | PowerVR GE8320 | |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA |
| Video | MP4, M4V. MKV, XVID | 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 | 5000 mAh, Li-Po Battery | 5180 mAh |
| Fast Charging | Yes, 10W Fast Charging | Yes, 45W SUPERVOOC Charge |
| Reverse Charging | Yes | |