The verdict
Neither runs away with it: each wins something.
| Category | C1 | U1 |
|---|---|---|
| Design & display | 5.2 | 6.2 |
| Performance & hardware | 2.0 | 2.8 |
| Camera | 3.4 | 3.0 |
| Connectivity | 3.1 | 3.3 |
| Battery & charging | 4.2 | 2.8 |
Which one is for you?
Realme C1, if you care about…
- Battery Capacity
- 4,230 mAh
- against 3,500 mAh
Realme U1, if you care about…
- RAM Capacity
- 4 GB
- against 2 GB
- Maximum Storage Capacity
- 64 GB
- against 16 GB
- Display Pixel Density
- 409 ppi
- against 271 ppi
- Usable Surface
- 83.9 %
- against 81.2 %
Specification comparison
Performance
| Specification | C1 | U1 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 450 | MediaTek Helio P70 |
| Processor Process Size | 14 nm | 12 nm Best value |
| Graphics GPU | Qualcomm Adreno 506 | Mali-G72 MP3 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 1.8 GHz | 2.1 GHz Best value |
| Maximum Storage Capacity | 16 GB | 64 GB Best value |
| AnTuTu Score | — | 144,436 |
| Geekbench 6 Single-Core | — | 329 |
| Geekbench 6 Multi-Core | — | 1,066 |
| CPU Description | Octa-core 1.8 GHz Cortex-A53 | Octa-core: 4 × 2.1 GHz Cortex-A73 and 4 × 2.0 GHz Cortex-A53 |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 2 GB | 4 GB Best value |
| RAM Type | — | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | v7 |
| Maximum memory card | — | 256 GB |
Design
| Specification | C1 | U1 |
|---|---|---|
| Body Colors | Black, Blue | Black, Blue, Gold |
| Body Thickness | 8.2 mm | 8 mm Best value |
| Body Width | 75.6 mm | 74 mm |
| Body Height | 156.2 mm | 157 mm |
| Weight | 168 g | 168 g |
| Usable Surface | 81.2 % | 83.9 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic |
| Unfolded thickness | — | 8 mm |
Battery
| Specification | C1 | U1 |
|---|---|---|
| Battery Capacity | 4,230 mAh Best value | 3,500 mAh |
| Battery Type | Li-Ion | Li-Ion |
| Fast Charge Power | — | 10 W |
| Battery Features | — | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | C1 | U1 |
|---|---|---|
| Display Aspect Ratio | 19:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Display Diagonal | 6.2″ | 6.3″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,520 px | 2,340 px Best value |
| Display Pixel Density | 271 ppi | 409 ppi Best value |
| Display Contrast Ratio | — | 1,830 :1 |
| Display Features | Gorilla Glass 3 | Gorilla Glass 3, Touchscreen |
Sensors
| Specification | C1 | U1 |
|---|---|---|
| Fingerprint Sensor Placement | — | Rear |
Sensor
| Specification | C1 | U1 |
|---|---|---|
| Sensor Features | Accelerometer, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | C1 | U1 |
|---|---|---|
| Operating System | Android 8.1 | Android 8 |
| OS Family | Android | Android |
| OS Version | 8.1 Best value | 8 |
Connectivity
| Specification | C1 | U1 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-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 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 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Wi-Fi Direct | Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS | GPS, GLONASS Best value |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG |
| USB Version | USB 2.0 | microUSB |
| SAR American Head | — | 1.19 W/kg |
| SAR American Body | — | 0.53 W/kg |
| Max. download speed | — | 300 Mbps |
| Max. upload speed | — | 50 Mbps |
Audio
| Specification | C1 | U1 |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | — | Loudspeaker |
Technical
| Specification | C1 | U1 |
|---|---|---|
| Model numbers | A1603 | RMX1831, RMX1833 |
