Side-by-side technical data
Realme X3 vs vivo iQOO Neo 855
Comparison between Realme X3 and vivo iQOO Neo 855: camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme and vivo.
The verdict
Your pick: vivo iQOO Neo 855, ahead on Design & display, Performance & hardware and Battery & charging. Unless Camera or Connectivity decides it for you.
| Category | X3 | iQOO Neo 855 |
|---|---|---|
| Design & display | 5.6 | 6.9 |
| Performance & hardware | 6.0 | 6.8 |
| Camera | 5.9 | 4.5 |
| Connectivity | 5.8 | 4.9 |
| Battery & charging | 4.3 | 4.9 |
Which one is for you?
Realme X3, if you care about…
- Display Diagonal
- 6.6″
- against 6.38″
- OS Version
- 10
- against 9
vivo iQOO Neo 855, if you care about…
- Battery Capacity
- 4,500 mAh
- against 4,200 mAh
- Display Technology
- Super AMOLED
- against IPS LCD
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Fast Charge Power
- 33 W
- against 30 W
Specification comparison
Performance
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 855 Plus | Qualcomm Snapdragon 855 |
| Processor Process Size | 7 nm | 7 nm |
| Graphics GPU | Qualcomm Adreno 640 | Qualcomm Adreno 640 |
| Storage Type | UFS 3.0 | UFS 3.0 |
| Maximum CPU Clock | 2.96 GHz Best value | 2.84 GHz |
| Maximum Storage Capacity | 128 GB | 256 GB Best value |
| AnTuTu Score | 514,747 | — |
| Geekbench 6 Single-Core | 924 | — |
| Geekbench 6 Multi-Core | 2,493 | — |
| CPU Description | Octa-core CPU with one 2.96 GHz Kryo 485 core, three 2.42 GHz Kryo 485 cores, and four 1.78 GHz Kryo 485 cores. | Octa-core CPU with 1×2.84 GHz, 3×2.42 GHz, and 4×1.78 GHz Kryo 485 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | DDR4 |
| AnTuTu version | v8 | — |
Design
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Body Colors | Blue, White | Purple, White, Black |
| Body Thickness | 8.9 mm | 8.1 mm Best value |
| Body Width | 75.8 mm | 75.2 mm |
| Body Height | 163.8 mm | 159.5 mm |
| Weight | 202 g | 198.5 g Best value |
| Usable Surface | 84.7 % Best value | 83.3 % |
| Body Materials | Glass, Plastic | Glass, Aluminium Alloy Best value |
| Resistance Features | IP53 | — |
Battery
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Battery Capacity | 4,200 mAh | 4,500 mAh Best value |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 30 W | 33 W Best value |
| Battery Features | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | Super AMOLED Best value |
| Peak Display Brightness | 480 nits | — |
| Display Diagonal | 6.6″ Best value | 6.38″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px Best value | 2,340 px |
| Display Pixel Density | 399 ppi | 404 ppi Best value |
| Display Refresh Rate | 120 Hz | — |
| Display Features | Gorilla Glass 5, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless, Always-On Display, 120Hz | HDR10, Capacitive Touch |
Sensors
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Operating System | Android 10 | Android 9 |
| OS Family | Android | Android |
| OS Version | 10 Best value | 9 |
| Google Services | Yes | — |
| Widevine L1 | Yes | — |
Connectivity
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B7, 3G UMTS B20, 3G UMTS B28A, 3G UMTS B28B, 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 B39, 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 1700 AWS, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B8, 4G LTE B19, 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 |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n/ac |
| 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 | A2DP, LE, aptX |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value | GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, USB Type-C, USB OTG |
| USB Version | USB 2.0 | USB Type-C |
| Max. download speed | 2,000 Mbps | 2,000 Mbps |
| Max. upload speed | 318 Mbps | 318 Mbps |
Audio
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Hi-Res Audio, Dolby Atmos, A2DP, LE, Loudspeaker | A2DP, LE, aptX, Loudspeaker, Hi-Res Audio |
Technical
| Specification | X3 | iQOO Neo 855 |
|---|---|---|
| Model numbers | RMX2142, RMX2081, RMX2085, RMX2083 | V1936A, V1936T |
