Realme C100i vs Xiaomi 18 Fold
Quick Comparison
Xiaomi 18 Fold has better RAM than Realme C100i. Xiaomi 18 Fold has more internal memory than Realme C100i
| Name | Realme C100i | Xiaomi 18 Fold |
| RAM | 4 GB | 12 GB |
|---|---|---|
| Display | 6.75 in | 7.58 in |
| Internal Memory | 64 GB | 256 GB |
| Battery | 6500 mAh | 6000 mAh |
| Camera | 8 MP | 200 MP + 50 MP + 50 MP Triple |
| Price | Rs. 15999 | Rs. 169999 |
Related Products
Detailed Comparison
Price And Launch
The launch Date of the first phone is August 27, 2026. The cost of Realme C100i is Rs. 15999. The launch Date of the second phone is September 07, 2026. The Expected cost of Xiaomi 18 Fold is Rs. 169999.
Display comparison
Xiaomi 18 Fold has larger screen size of 7.58 inches in comparison to Realme C100i's 6.75 inch screen. Realme C100i has IPS LCD Screen type where as Xiaomi 18 Fold has LTPO AMOLED Screen type. Xiaomi's phone has display density of 382 PPI & Realme's phone has only 256 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 90.6% than Realme's phone ~ 86.8%.
Memory comparison
Xiaomi 18 Fold's larger 12 GB RAM is better for playing games and all with respect to Realme C100i's lower 4 GB RAM. Xiaomi 18 Fold has more Internal Memory (256 GB) than Realme C100i (64 GB).
Camera comparison
Xiaomi 18 Fold's 200 MP + 50 MP + 50 MP Triple Rear Camera outshines Realme C100i's 8 MP Rear Camera in terms of resolution. Xiaomi 18 Fold will be better choice if you're looking to click lot of selfies as it has better 16 MP + 16 MP Dual Front Camera in comparison to Realme C100i'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 17 version.
Related Comparisons
Full Comparison
| Name | Realme C100i | Xiaomi 18 Fold |
| General | ||
| Model | RMX5399, C100i | |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | |
| eSIM Support | Yes | |
| Device Type | Smartphone | Smartphone |
| Release Date | August 27, 2026 | September 07, 2026 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Protective Case x 1, Quick Guide x 1 | |
| Design | ||
| Dimensions | 78.2 x 166.48 x 8.7 mm | 117.8 x 163.8 x 5 mm |
| Weight | 210 g | 219 g |
| Colors | Skyline Silver, Midnight Black | Gray, Silver, Red, Rose gold |
| Display | ||
| Type | Color IPS LCD Screen | Color LTPO AMOLED Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.75 inches, 120 Hz | 7.58 inches, 2364 x 1672 pixels, 120 Hz |
| Aspect Ratio | 4:3 | |
| PPI | ~ 256 PPI | ~ 382 PPI |
| Screen to Body Ratio | ~ 86.8% | ~ 90.6% |
| Brightness | Normal brightness: 700 nits(Typical), HBM: 900 nits(Typical) | HDR10+, Dolby Vision, HDR Vivid, 4000 nits (peak) |
| HDR Support | Yes, HDR10+, Dolby Vision, HDR Vivid, | |
| Adaptive Refresh Rate | Yes | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Foldable Display | Yes | |
| Cover Display | 5.38 inches, LTPO AMOLED,, 1168 x 1712 pixels, HDR10+, Dolby Vision, HDR Vivid, 4000 nits (peak), 120Hz, Xiaomi Dragon Crystal Glass 3 | |
| Memory | ||
| RAM | 4 GB | 12 GB |
| RAM Type | LPDDR4X | |
| Storage | 64 GB | 256 GB |
| Storage Type | UFS 2.2 | UFS 4.1 |
| Card Slot | Yes, (Hybrid Slot) | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | 0), N40(2300), N41(2500), N77(3700), N78(3500) | |
| VoLTE | Yes | Yes, Dual Stand-By |
| Vo5G | 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 | 802.11a/b/g/n/ac/ax/be 2.4GHz+5GHz+6GHz, EHT320, MIMO, 4096-QAM |
| Ultra Wideband (UWB) Support | Yes | |
| Bluetooth | Yes, v5.2 | Yes, v6.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| IR Blaster | Yes | |
| Extra | ||
| GPS | GPS(L1), GLONASS(G1), BDS(B1C), Galileo(E1), QZSS(L1) | GPS, Glonass, Beidou, Galileo, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, E-compass, Accelerometer | Aaccelerometer, Gyro, Proximity, Compass, Barometer |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Gaming Features | 3 Hours of 60FPS MOBA Game | |
| AI Features | Next AI, Ai Camera, AI Netpilot | |
| Water Resistance | Yes, 1 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP58/IP59 |
| Dust Resistant | Yes | Yes |
| Extra Features | Miltary-Grade Shock Resistance | Folded: 83.6 x 117.8 x 10.7 mm |
| Camera | ||
| Rear Camera | 8 MP ƒ/2 f/2.0; FOV 78°; 4P lens; AF Supported | 200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.56", 0.5µm, PDAF, OIS 50 MP ƒ/2.8 (Telephoto) 80mm (telephoto), PDAF, OIS, 3.x optical zoom 50 MP ƒ/2.4 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, Dual-view video, TIME-LAPSE, STICKER, Google Lens, PRO, Hypertext，STREET, 1080P video: 30 fps(with Retouch on) 720P video: 30 fps 1080P TIME-LAPSE: 30 fps 720P TIME-LAPSE: 30 fps Supports Dual-view video shooting Supports video zoom shooting: up to 10× digital zoom | Laser AF, color spectrum sensor, Leica lenses, HDR, panorama |
| Video Recording | 1080p @ 30 fps FHD | 8K @ 24 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 f/2.2; FOV 77°; 3P lens | 16 MP ƒ/2.2 (Wide Angle) 16 MP ƒ/2.2 (Cover camera:) Punch Hole |
| Front Video Recording | 720p @ 30 fps HD | 1080p @ 30 fps FHD |
| Front Camera Features | Photo, Video, Portrait, Night, Panorama, Dual-view video, STICKER | HDR |
| Technical | ||
| OS | Android v16 | Android v17 |
| Custom UI | HyperOS 4 | |
| Chipset | Unisoc T7250 | Xiaomi XRING O3 |
| CPU | 1.8 GHz, Octa Core Processor | 4.35 GHz, Octa Core Processor |
| GPU | Arm Mali-G57@850MHz | Arm G2-Ultra NX MC16 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF |
| Video | Yes | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Audio Jack Type | 3.5mm | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh | 6000 mAh, Si/C Li-Ion Battery |
| Fast Charging | Yes, 15W | Yes, 67W Fast Charging |
| Wireless Charging | Yes, 50W | |
| Reverse Charging | Yes | Yes |
| Reverse Wireless Charging | Yes | |