The verdict
Your pick: Realme 6S, ahead on Camera and Connectivity. Unless Battery & charging decides it for you.
| Category | 6S | U3 |
|---|---|---|
| Design & display | 5.7 | 5.6 |
| Performance & hardware | 3.5 | 3.5 |
| Camera | 5.5 | 4.9 |
| Connectivity | 5.4 | 4.6 |
| Battery & charging | 4.6 | 6.1 |
Which one is for you?
Realme 6S, if you care about…
- Maximum Storage Capacity
- 128 GB
- against 64 GB
- Fast Charge Power
- 30 W
- against 18 W
- Geekbench 6 Multi-Core
- 1,835
- against 1,609
- OS Version
- 11
- against 9
vivo U3, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,300 mAh
- Battery Features
- Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable
- against Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator
Specification comparison
Performance
| Specification | 6S | U3 |
|---|---|---|
| Processor Model | MediaTek Helio G90T | Qualcomm Snapdragon 675 |
| Processor Process Size | 12 nm | 11 nm Best value |
| Graphics GPU | Mali-G76 MP4 | Qualcomm Adreno 612 |
| Storage Type | UFS 2.1 | UFS 2.1 |
| Maximum CPU Clock | 2.05 GHz Best value | 2 GHz |
| Maximum Storage Capacity | 128 GB Best value | 64 GB |
| AnTuTu Score | 290,582 | 212,000 |
| Geekbench 6 Single-Core | 649 | 652 Best value |
| Geekbench 6 Multi-Core | 1,835 Best value | 1,609 |
| CPU Description | Octa-core CPU with 2 Cortex-A76 cores at 2.05 GHz and 6 Cortex-A55 cores at 2.0 GHz. | Octa-core CPU with 2x 2.0 GHz Kryo 460 Gold cores and 6x 1.7 GHz Kryo 460 Silver cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB | 6 GB |
| RAM Type | LPDDR4X | DDR4 |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | — |
Design
| Specification | 6S | U3 |
|---|---|---|
| Body Colors | Black, White, Blue | Black, Blue, Green |
| Body Thickness | 8.9 mm | 8.9 mm |
| Body Width | 74.8 mm | 76.5 mm |
| Body Height | 162.1 mm | 162.2 mm |
| Weight | 191 g Best value | 193 g |
| Usable Surface | 84.1 % | 84.4 % Best value |
| Body Materials | Glass, Plastic, Splash Resistant | Glass, Plastic |
| Resistance Features | Water Resistant | — |
Battery
| Specification | 6S | U3 |
|---|---|---|
| Battery Capacity | 4,300 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 30 W Best value | 18 W |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable Best value |
Display
| Specification | 6S | U3 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 480 nits | — |
| Display Diagonal | 6.5″ | 6.53″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px Best value | 2,340 px |
| Display Pixel Density | 405 ppi Best value | 395 ppi |
| Display Refresh Rate | 90 Hz | — |
| Touch Sampling Rate | 120 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Hole-Punch Notch, Gorilla Glass 3, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless | IPS LCD, Touchscreen |
Sensors
| Specification | 6S | U3 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Rear |
Sensor
| Specification | 6S | U3 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Light Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | 6S | U3 |
|---|---|---|
| Operating System | Android 11 | Android 9 |
| OS Family | Android | Android |
| OS Version | 11 Best value | 9 |
| Google Services | Yes | — |
Connectivity
| Specification | 6S | U3 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | 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 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 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 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, CDMA, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, EDR, HID | A2DP, LE, aptX |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, FM Radio, microUSB, USB 2.0, USB OTG |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | 0.59 W/kg | — |
| SAR American Body | 1.14 W/kg | — |
| SAR (EU) head | 0.709 W/kg | — |
| SAR (EU) body | 0.571 W/kg | — |
| Max. download speed | 600 Mbps | 600 Mbps |
| Max. upload speed | 150 Mbps Best value | 100 Mbps |
Audio
| Specification | 6S | U3 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, LE, EDR, HID, Loudspeaker | A2DP, LE, aptX, Loudspeaker |
Technical
| Specification | 6S | U3 |
|---|---|---|
| Model numbers | RMX2002 | V1941A, V1941T |
