The verdict
Your pick: vivo V15, ahead on Performance & hardware and Connectivity. Unless Camera decides it for you.
| Category | X | V15 |
|---|---|---|
| Design & display | 5.7 | 5.8 |
| Performance & hardware | 3.0 | 3.4 |
| Camera | 5.2 | 4.5 |
| Connectivity | 3.8 | 4.1 |
| Battery & charging | 4.0 | 3.8 |
Which one is for you?
Umidigi X, if you care about…
- Battery Capacity
- 4,150 mAh
- against 4,000 mAh
- Display Technology
- AMOLED
- against IPS LCD
- Body Thickness
- 8.1 mm
- against 8.5 mm
- Geekbench 6 Multi-Core
- 1,155
- against 1,066
vivo V15, if you care about…
- RAM Capacity
- 6 GB
- against 4 GB
- Display Pixel Density
- 395 ppi
- against 269 ppi
- Weight
- 189.5 g
- against 196 g
- Geekbench 6 Single-Core
- 329
- against 299
Specification comparison
Performance
| Specification | X | V15 |
|---|---|---|
| Processor Model | MediaTek Helio P60 | MediaTek Helio P70 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | Mali-G72 MP3 | Mali-G72 MP3 |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz | 2.1 GHz Best value |
| Maximum Storage Capacity | 128 GB | 128 GB |
| AnTuTu Score | 142,455 | 179,640 |
| Geekbench 6 Single-Core | 299 | 329 Best value |
| Geekbench 6 Multi-Core | 1,155 Best value | 1,066 |
| CPU Description | — | 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 | Yes |
| RAM Capacity | 4 GB | 6 GB Best value |
| RAM Type | DDR4 | DDR4 |
| Expandable Storage | Yes | Yes |
| Maximum memory card | — | 256 GB |
Design
| Specification | X | V15 |
|---|---|---|
| Body Colors | Black | Blue, Red, Black |
| Body Thickness | 8.1 mm Best value | 8.5 mm |
| Body Width | 75.6 mm | 75.9 mm |
| Body Height | 158.6 mm | 161.2 mm |
| Weight | 196 g | 189.5 g Best value |
| Usable Surface | — | 85.6 % |
| Body Materials | — | Glass, Plastic |
Battery
| Specification | X | V15 |
|---|---|---|
| Battery Capacity | 4,150 mAh Best value | 4,000 mAh |
| Battery Type | Li-Polymer | — |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Battery Level Indicator, Fast Charging, Rechargeable, Non-Removable | Battery Level Indicator, Fast Charging, Rechargeable |
Display
| Specification | X | V15 |
|---|---|---|
| Display Aspect Ratio | — | 19.5:9 |
| Display Technology | AMOLED Best value | IPS LCD |
| Display Diagonal | 6.35″ | 6.53″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,548 px | 2,340 px Best value |
| Display Pixel Density | 269 ppi | 395 ppi Best value |
| Display Features | Touchscreen | Gorilla Glass 5, Touchscreen |
Sensors
| Specification | X | V15 |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Rear |
Sensor
| Specification | X | V15 |
|---|---|---|
| Sensor Features | Accelerometer, Compass, Fingerprint Sensor, Gyroscope | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | X | V15 |
|---|---|---|
| Operating System | Android 9 | Android 9 |
| OS Family | Android | Android |
| OS Version | 9 | 9 |
Connectivity
| Specification | X | V15 |
|---|---|---|
| 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 B7, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | 4G, LTE | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n) | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP | A2DP, LE |
| Navigation Systems | GPS | GPS, GLONASS, BeiDou Best value |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C | 3.5 mm Audio Jack, FM Radio, microUSB, USB OTG |
| USB Version | USB 2.0 | microUSB |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 100 Mbps Best value | 50 Mbps |
Audio
| Specification | X | V15 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | — | Loudspeaker |
Technical
| Specification | X | V15 |
|---|---|---|
| Model numbers | — | 1819 |
