Side-by-side technical data
Realme U1 vs Realme C100i
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
| Category | U1 | C100i |
|---|---|---|
| Design & display | 6.2 | 5.6 |
| Performance & hardware | 2.8 | 2.8 |
| Camera | 3.0 | 2.8 |
| Connectivity | 3.3 | 5.4 |
| Battery & charging | 2.9 | 5.9 |
Which one is for you?
Realme U1, if you care about…
- Display Pixel Density
- 409 ppi
- against 254 ppi
- Weight
- 168 g
- against 208 g
- Body Thickness
- 8 mm
- against 8.4 mm
- Display Horizontal Resolution
- 1,080 px
- against 720 px
Realme C100i, if you care about…
- Battery Capacity
- 7,000 mAh
- against 3,500 mAh
- AnTuTu Score
- 308,681
- against 144,436
- RAM Capacity
- 6 GB
- against 4 GB
- Wi-Fi Standards
- Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
Specification comparison
Battery
| Specification | U1 | C100i |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 3,500 mAh | 7,000 mAh Best value |
| Battery Type | Li-Ion | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 10 W | 15 W Best value |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Non-Removable, Fast Charging, Battery Level Indicator, Charger Included, Rechargeable |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
Design
| Specification | U1 | C100i |
|---|---|---|
| Body Colors | Black, Blue, Gold | Purple, Grey |
| Body Thickness | 8 mm Best value | 8.4 mm |
| Body Width | 74 mm | 78.2 mm |
| Body Height | 157 mm | 166.5 mm |
| Weight | 168 g Best value | 208 g |
| Usable Surface | 83.9 % | 86.8 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic |
| Resistance Features | — | IP64, MIL-STD-810H |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | 8 mm | — |
| QWERTY keyboard | — | — |
Performance
| Specification | U1 | C100i |
|---|---|---|
| Processor Model | MediaTek Helio P70 | Unisoc T7250 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | Mali-G72 MP3 | Mali-G57 MP1 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2.1 GHz Best value | 1.8 GHz |
| Maximum Storage Capacity | 64 GB | 256 GB Best value |
| AnTuTu Score | 144,436 | 308,681 Best value |
| Geekbench 6 Single-Core | 329 | 437 Best value |
| Geekbench 6 Multi-Core | 1,066 | 1,461 Best value |
| CPU Description | Octa-core: 4 × 2.1 GHz Cortex-A73 and 4 × 2.0 GHz Cortex-A53 | Octa-core CPU with 2 × ARM Cortex-A75 at 1.8 GHz and 6 × ARM Cortex-A55 at 1.6 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 4 GB | 6 GB Best value |
| RAM Type | DDR4 | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v7 | v10 |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | 256 GB | — |
Sensors
| Specification | U1 | C100i |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Side |
Display
| Specification | U1 | C100i |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Peak Display Brightness | — | 900 nits |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.3″ | 6.8″ Best value |
| Display Horizontal Resolution | 1,080 px Best value | 720 px |
| Display Vertical Resolution | 2,340 px Best value | 1,570 px |
| Display Pixel Density | 409 ppi Best value | 254 ppi |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | 240 Hz |
| Display Contrast Ratio | 1,830 :1 | — |
| Display Features | Gorilla Glass 3, Touchscreen | Gorilla Glass, Water Drop Notch, Capacitive Touch, Multi-Touch, Frameless |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensor
| Specification | U1 | C100i |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor |
Software
| Specification | U1 | C100i |
|---|---|---|
| Operating System | Android 8 | Android 16 |
| OS Family | Android | Android |
| OS Version | 8 | 16 Best value |
| OS Update Support | — | — |
| Direct OS Updates | No | No |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
Connectivity
| Specification | U1 | C100i |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS B9, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g Best value |
| Wi-Fi Features | Wi-Fi Direct | Dual Band, Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG | USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, 3.5 mm Audio Jack, Computer Sync, OTA Sync, Tethering |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | 1.19 W/kg | — |
| SAR American Body | 0.53 W/kg | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
Audio
| Specification | U1 | C100i |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | Loudspeaker | Stereo Speakers, DTS, DTS:X Best value |
| Alert types | — | — |
Technical
| Specification | U1 | C100i |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | U1 | C100i |
|---|---|---|
| Built-in functions | — | — |
