Realme C75x vs Realme C63
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Overview
| Specs Score | 65 / 100 | 71 / 100 Better Specs |
| Display Resolution | 720 x 1604 pixels Better Resolution | 720 x 1600 pixels |
| RAM | 6 GB More RAM | 4 GB |
| CPU Clock Speed | 1.8 GHz Faster Clock Speed | |
| Weight | 189 g Lighter | |
| Thickness | 7.7 mm Slimmer | |
| Unique Features | No | 3.5mm Audio Jack |
General
| Model | C63, RMX3939 | |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | December 18, 2025 (Expected) | May 31, 2024 |
| In The Box | Handset, Type-C Data Cable, Charger, Sim Ejector Tool, Protective Case, Safety Guide, Quick Guide |
Design
| Dimensions | 76.7 x 167.3 x 7.7 mm | |
| Weight | 189 g | |
| Bezel less | No | No |
| Colors | Jewel Red, Crystal Black, Golden Glow | Leather Blue, Jade Green |
Display
| Type | Color IPS Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes, 180 Hz Touch Sampling Rate |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.75 inches, 720 x 1600 pixels, 90 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 260 PPI |
| Screen to Body Ratio | ~ 89.97% | ~ 90.3% |
| Features | 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 | Color Gamut: 83.5% NTSC, Contrast Ratio: 1500:1, Supports Sunshine Screen, Brightness: 450 Nits, Sunlight Screen: 560 Nits |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
Memory
| RAM | 6 GB | 4 GB |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, (Hybrid Slot) | Yes, upto 2 TB |
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 | Support 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac, Wi-Fi 5 (802.11 ac), 802.11 a/b/g/n (WLAN 2.4 GHz|WLAN 5.1 GHz|WLAN 5.8 GHz) |
| Bluetooth | Yes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDC | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
Extra
| GPS | Yes, with Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1),QZSS(L1) | with AGPS, BEIDOU, GALILEO |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Geomagnetic , Light, Proximity, Acceleration, Flicker Sensor | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | |
| Water Resistance | Yes | Yes |
| IP Rating | IP54 | |
| Dust Resistant | Yes | Yes |
| Extra Features | Mono Speaker |
Camera
| Rear Camera | 50 MP (Wide Angle) 2 MP (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) 1/2.5", PDAF Auxiliary Lens |
| Camera Sensor | OV50C40-GA5A-002A | |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Night, 50 MP, Manual, Panorama, Portrait, Timelapse, Slow Motion, QR Code, Google Lens | |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP (Wide Angle) Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 720p @ 30 fps HD |
Technical
| OS | Android v15 | Android v14 |
| Custom UI | Realme UI 6 | Realme UI 5 |
| Chipset | Unisoc T612 | |
| CPU | Octa Core Processor | 1.8 GHz, Octa Core Processor |
| Core Details | 2x 1.8 GHz – Cortex-A75& 6x 1.8 GHz – Cortex-A55 | |
| GPU | Mali-G57 | |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | H.264, MPEG4, DIVX/XVID, H.263, SORENSEN SPARK, VP8, VP9, H.265, AV1 |
| FM Radio | No | No |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5180 mAh | 5000 mAh, Li-ion Battery |
| Fast Charging | Yes, 45W SUPERVOOC Charge | Yes, 45W Fast Charging |
| Reverse Charging | Yes | Yes |
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