Realme C100x vs Realme 15 5G
Quick Comparison
Realme 15 5G has better RAM than Realme C100x. In terms of display resolution, Realme 15 5G has better resolution of 2800 x 1280 than Realme C100x which has resolution of 1570 x 720. Realme 15 5G has more internal memory than Realme C100x
| Name | Realme C100x | Realme 15 5G |
| RAM | 4 GB | 8 GB |
|---|---|---|
| Display | 6.81 in | 6.8 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 8000 mAh | 7000 mAh |
| Camera | 50 MP | 50 MP + 8 MP Dual |
| Price | Rs. 17999 | Rs. 25999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is May 07, 2026. The cost of Realme C100x is Rs. 17999. The launch Date of the second phone is July 24, 2025. The cost of Realme 15 5G is Rs. 25999.
Display comparison
Realme 15 5G has screen size of 6.8 inches which falls short to Realme C100x's 6.81 inch screen. Realme C100x has LCD Screen type where as Realme 15 5G has Screen type. Realme 15 5G has display density of 453 PPI & Realme C100x has only 254 PPI display density. In terms of screen to body ratio, Realme 15 5G has better screen to body ratio of ~ 94% than Realme C100x's ~ 90.4%. Realme C100x has 20:9 aspect ratio where as Realme 15 5G has 20.06:9 aspect ratio.
Memory comparison
Realme 15 5G's larger 8 GB RAM is better for playing games and all with respect to Realme C100x's lower 4 GB RAM. Realme 15 5G has more Internal Memory (128 GB) than Realme C100x (64 GB).
Camera comparison
They both have the same 50 MP Rear Camera. Realme 15 5G will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to Realme C100x's 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 16 and the second one on 15 version.
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Full Comparison
| Name | Realme C100x | Realme 15 5G |
| General | ||
| Country of Origin | India | |
| Model | RMX5366, C100x | 15 5G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | May 07, 2026 | July 24, 2025 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Quick Guide x 1, Safety Guide x 1, Protective Case x 1 | 1 realme 15 5G, 1 USB Type-C Cable, 1 Power Adapter , 1 Protect Case, 1 SIM Card Needle, 1 Quick Guide |
| Design | ||
| Dimensions | 78.2 x 166.48 x 8.78 mm | 76.16 x 162.27 x 7.66 mm |
| Weight | 219 g | 187 g |
| Bezel less | No | No |
| Colors | Golden Coast, Deepblue Tides | Silk Pink, Velvet Green, Flowing Silver |
| Display | ||
| Type | Color LCD Screen (16.7M) | Color HyperGlow 4D Curve+ Display (1.07 billion) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.81 inches, 720 x 1570 pixels, 120 Hz | 6.8 inches, 1280 x 2800 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 20.06:9 |
| PPI | ~ 254 PPI | ~ 453 PPI |
| Screen to Body Ratio | ~ 90.4% | ~ 94% |
| Glass Type | Panda@MN228 | |
| Brightness | Normal brightness: 700 nits(Typical) HBM: 900 nits(Typical) | Brightness: 1800nit(HBM), 6500nit Peak Brightness |
| Color Gamut | NTSC 83% | |
| Features | Contrast Ratio: 5,000,000:1, Dimming: 4608Hz PWM Dimming, 2500Hz Instantaneous Touch Sampling Rate | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 4 GB | 8 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | Upto 12 GB Extra Virtual RAM |
| Storage | 64 GB | 128 GB |
| Storage Type | eMMC 5.1 | UFS 3.1 |
| Card Slot | Yes | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | Yes |
| 5G Bands | 5G NR: n1/n3/n5/n8/n28B/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11ac) Supported 802.11a/b/g/n Supported Wi-Fi Display Supported WLAN Tethering Supported | Support 2.4/5GHz Wi-Fi Support Wi-Fi 5 / Wi-Fi 6 |
| Bluetooth | Yes, v5.2, SBC, AAC, LDAC | Yes, v5.4, A2DP, LE |
| 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 |
| Extra | ||
| GPS | GPS(L1), GLONASS(G1), BDS(B1C), Galileo(E1) | GPS, Glonass, Beidou, Galileo, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity sensor, Ambient light sensor, E-compass, Accelerometer, Gyroscope | Proximity sensor, Ambient light sensor, Color temperature sensor, E-compass, Accelerometer, Gyroscope |
| 3.5mm Headphone Jack | Yes | Yes |
| Gaming Features | 60FPS Smooth Gaming Experience | |
| AI Features | AI Netpilot, Next Ai, Ai Editor, One-Press Access to Gemini, Circle to Search, AI Outdoor Mode | Next AI (Ai Mobile), AI Edit Genie, AI Multi-Tasker |
| Water Resistance | Yes | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP68/IP69 |
| Dust Resistant | Yes | |
| Extra Features | Military-Grade Shock Resistance | Dual-mic Noise Cancellation, 7000mm² AirFlow VC |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 50MP; f/1.8; FOV 76°; 5P lens; AF Supported | 50 MP ƒ/1.8 (Wide Angle) Sony IMX882 sensor, Support OIS, Pixels: 50MP, Lens: 5P, FOV: 79°, Aperture: f/1.8, Equivalent Focal Length: 26mm 8 MP |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, PRO, Panorama, SLO-MO, Dual-view video, TIME-LAPSE, STICKER, Hypertext, HI-RES, GOOGLE LEN, Video: 1080P@30 fps, 720P@30 fps Support video zoom shooting Time lapse photography: 1080P@30fps, 720P@30 fps Slow motion: 720P@120fps Support multi-scene video shooting:720p@30fps | Photo, Video, Portrait, Night, Pano, Movie, Slo-Mo, Long Exposure, Dual-View Video, Time-Lapse, Hi-Res, Google Lens, Underwater, Pro, Text Scanner, Breeno Scan, Tilt-Shift, Starry Mode, Street, AI Landscape |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 60 fps FHD, 4K @ 30 fps UHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 f/2.2; FOV 77°; 3P lens | 50 MP (Wide Angle) Pixels: 50MP, Lens: 5P, FOV: 87°, Aperture: f/2.4 Punch Hole |
| Front Video Recording | 720p @ 30 fps HD | 1080p @ 60 fps FHD, 4K @ 30 fps UHD |
| Front Camera Features | Photo, Video, Portrait, Night, Panorama, Dual-view video, STICKER, Video:720P@30fps Supports Dual-view video shooting | Photo, Video, Portrait, Night, HI-RES, Panorama, Dual-view video, TIME-LAPSE, Underwater |
| Technical | ||
| OS | Android v16 | Android v15 |
| Custom UI | Realme UI 7 | realme UI 6 |
| Chipset | Unisoc T7250 | mediatek Dimensity 7300 Plus |
| CPU | 1.8 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 | |
| GPU | Arm Mali-G57@850MHz | Mali-G615 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA | MP3, AAC, APE, AMR, WAV, OGG, FLAC, WMA |
| Video | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV | AVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLV |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 8000 mAh | 7000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W SUPERVOOC Charge | Yes, 80W Fast Charging |
| Reverse Charging | Yes | |