Side-by-side technical data
Ulefone RugKing vs vivo Y21d
Comparison between Ulefone RugKing and vivo Y21d: camera, battery, fast charging, display, performance and colors, side by side. More phones from Ulefone and vivo.
The verdict
Your pick: vivo Y21d, ahead on Design & display and Battery & charging. Unless Performance & hardware decides it for you.
| Category | RugKing | Y21d |
|---|---|---|
| Design & display | 4.4 | 6.0 |
| Performance & hardware | 4.4 | 3.0 |
| Camera | 3.7 | 3.8 |
| Connectivity | 5.7 | 5.5 |
| Battery & charging | 6.6 | 7.1 |
Which one is for you?
Ulefone RugKing, if you care about…
- Battery Capacity
- 9,600 mAh
- against 6,500 mAh
- AnTuTu Score
- 251,000
- against 222,000
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Body Materials
- TPU, Polycarbonate, Metal
- against Glass, Plastic
vivo Y21d, if you care about…
- Bluetooth Version
- Bluetooth 5.2
- against Bluetooth 5.0
- Display Refresh Rate
- 90 Hz
- against 60 Hz
- Peak Display Brightness
- 1,000 nits
- against 910 nits
- Weight
- 209 g
- against 397 g
Specification comparison
Performance
| Specification | RugKing | Y21d |
|---|---|---|
| Processor Model | Unisoc T7255 | Unisoc T7225 |
| Processor Process Size | 12 nm | 12 nm |
| Graphics GPU | Mali-G57 MP1 | Mali-G52 MP1 |
| Storage Type | UFS 2.2 Best value | eMMC 5.1 |
| Maximum CPU Clock | 2 GHz Best value | 1.8 GHz |
| Maximum Storage Capacity | 256 GB | 256 GB |
| AnTuTu Score | 251,000 Best value | 222,000 |
| CPU Description | Octa-core CPU with 2 × 2.0 GHz Cortex-A75 and 6 × 1.8 GHz Cortex-A55 cores. | Octa-core CPU with 2 Cortex-A75 cores and 6 Cortex-A55 cores at 1.8 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | RugKing | Y21d |
|---|---|---|
| Body Colors | Black | Lavender, Black, Green, Coral |
| Body Thickness | 18.3 mm | 8.4 mm Best value |
| Body Width | 83.4 mm | 77 mm |
| Body Height | 173.4 mm | 166.1 mm |
| Weight | 397 g | 209 g Best value |
| Usable Surface | 64 % | 84 % Best value |
| Body Materials | TPU, Polycarbonate, Metal Best value | Glass, Plastic |
| Resistance Features | IP68, IP69, IP69K, MIL-STD-810H | IP68, IP69, MIL-STD-810H |
| Waterproof Depth | 2 m | 6 m Best value |
| Drop Resistance Class | A Best value | B |
| Repairability Class | C | C |
| Rugged Build | Yes Best value | No |
| Drop Test Count | 270 | — |
Battery
| Specification | RugKing | Y21d |
|---|---|---|
| Battery Efficiency Rating | A | — |
| Battery Capacity | 9,600 mAh Best value | 6,500 mAh |
| Battery Type | Li-Polymer | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 18 W | 44 W Best value |
| Battery Features | Fast Charging, Reverse Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable | Fast Charging, Reverse Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable |
| Battery Endurance | 106 h 26 min Best value | 46 h |
| Charge cycles | 1,000 | — |
Display
| Specification | RugKing | Y21d |
|---|---|---|
| Display Aspect Ratio | 18:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 910 nits | 1,000 nits Best value |
| Display Diagonal | 5.99″ | 6.68″ Best value |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,440 px | 1,608 px Best value |
| Display Pixel Density | 269 ppi Best value | 264 ppi |
| Display Refresh Rate | 60 Hz | 90 Hz Best value |
| Display Features | Gorilla Glass 3, Mohs Level 4, Capacitive Touch, Multi-Touch, Color LED Notifications | Hole-Punch Notch, TÜV Rheinland Eye Comfort Certification, DCI-P3, Color LED Notifications, Capacitive Touch, Multi-Touch, Frameless, Ion-Strengthened Glass, 90Hz |
Sensors
| Specification | RugKing | Y21d |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | RugKing | Y21d |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Thermometer Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor |
Software
| Specification | RugKing | Y21d |
|---|---|---|
| Operating System | Android 15 | Android 15 |
| OS Family | Android | Android |
| OS Version | 15 | 15 |
| Google Services | Yes | Yes |
| Widevine L1 | Yes | — |
Connectivity
| Specification | RugKing | Y21d |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B3, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 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 | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB Charging, USB OTG, USB Mass Storage, Tethering, Computer Sync, OTA Sync, USB 2.0 | FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, 3.5 mm Audio Jack, Computer Sync, OTA Sync, Tethering, VoLTE, USB 2.0 |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 300 Mbps | 300 Mbps |
| Max. upload speed | 100 Mbps | 100 Mbps |
Audio
| Specification | RugKing | Y21d |
|---|---|---|
| Audio Features | A2DP, LE | Stereo Speakers, Hi-Res Audio |
