Side-by-side technical data
Unihertz 8849 Tank X vs Oppo K13
Comparison between Unihertz 8849 Tank X and Oppo K13: camera, battery, fast charging, display, performance and colors, side by side. More phones from Unihertz and Oppo.
The verdict
Neither runs away with it: each wins something.
| Category | 8849 Tank X | K13 |
|---|---|---|
| Design & display | 5.4 | 7.8 |
| Performance & hardware | 7.7 | 6.1 |
| Camera | 5.2 | 3.9 |
| Connectivity | 7.0 | 7.2 |
| Battery & charging | 6.6 | 7.4 |
Which one is for you?
Unihertz 8849 Tank X, if you care about…
- Battery Capacity
- 17,600 mAh
- against 7,000 mAh
- AnTuTu Score
- 885,456
- against 789,000
- RAM Capacity
- 16 GB
- against 12 GB
- Bluetooth Version
- Bluetooth 5.3
- against Bluetooth 5.2
Oppo K13, if you care about…
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E
- against Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
- Display Technology
- AMOLED
- against IPS LCD
- Peak Display Brightness
- 1,200 nits
- against 750 nits
- Weight
- 208 g
- against 750 g
Specification comparison
Performance
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Processor Model | MediaTek Dimensity 8200 | Qualcomm Snapdragon 6 Gen 4 |
| Processor Process Size | 4 nm | 4 nm |
| Graphics GPU | Arm Mali-G610 MC6 | Qualcomm Adreno 810 |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Maximum CPU Clock | 3.1 GHz Best value | 2.3 GHz |
| Maximum Storage Capacity | 512 GB | 512 GB |
| AnTuTu Score | 885,456 Best value | 789,000 |
| CPU Description | 1x Cortex-A78 at 3.1 GHz, 3x Cortex-A78 at 3.0 GHz, and 4x Cortex-A55 at 2.0 GHz | Octa-core CPU with 1x 2.3 GHz, 3x 2.2 GHz, and 4x 1.8 GHz cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 16 GB Best value | 12 GB |
| RAM Type | LPDDR5 Best value | LPDDR4X |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | v10 | v10 |
Design
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Body Colors | Black | Purple, Black, White |
| Body Thickness | 25 mm | 8.5 mm Best value |
| Body Width | 86 mm | 76.1 mm |
| Body Height | 179 mm | 163.2 mm |
| Weight | 750 g | 208 g Best value |
| Usable Surface | 71 % | 86.5 % Best value |
| Body Materials | Plastic | Plastic |
| Resistance Features | IP68, MIL-STD-810H | IP65, IP69 Best value |
Battery
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Battery Capacity | 17,600 mAh Best value | 7,000 mAh |
| Battery Type | Li-Polymer | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 66 W | 80 W Best value |
| Battery Features | Fast Charging, Non-Removable | Fast Charging, Reverse Charging, Non-Removable, Rechargeable, Battery Level Indicator Best value |
Display
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Display Aspect Ratio | 21:9 | 20:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Peak Display Brightness | 750 nits | 1,200 nits Best value |
| Display Diagonal | 6.78″ Best value | 6.67″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,460 px Best value | 2,400 px |
| Display Pixel Density | 396 ppi Best value | 395 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | — | 180 Hz |
| Display Contrast Ratio | — | 6,000,000 :1 |
| Display Features | Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch | Hole-Punch Notch, HDR, DCI-P3, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Always-On Display, 1920Hz PWM |
Sensors
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Barometer, Compass, Gravity Sensor, Gyroscope, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor |
Software
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Operating System | Android 15 | Android 15 |
| OS Family | Android | Android |
| OS Version | 15 | 15 |
| Google Services | Yes Best value | No |
Connectivity
| Specification | 8849 Tank X | K13 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G CDMA BC0, 2G CDMA BC1, 2G GSM 1900, 2G GSM 1800, 2G GSM 850, 2G GSM 900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 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 B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n28a, 5G NR n28b | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, LTE B28, 4G LTE B28B, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 5G NR n1, 5G NR n5, 5G NR n8, 5G NR n28, 5G NR n28b, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, UMTS, CDMA, LTE, 5G | GSM, HSPA, UMTS, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E Best value |
| Wi-Fi Features | Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.3 Best value | Bluetooth 5.2 |
| Bluetooth Profiles | A2DP, EDR, LE | A2DP, LE, aptX HD, EDR, HID |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, Infrared, NFC, OTA Sync, FM Radio, Tethering, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C | Infrared, NFC, USB Type-C, USB 2.0, USB OTG, USB Host 2.0, USB Charging, USB Mass Storage, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | — | USB 2.0 |
| Max. download speed | — | 2,900 Mbps |
| Max. upload speed | — | 1,600 Mbps |
Audio
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Audio Features | Noise-Cancellation Microphone, A2DP, EDR, LE | Stereo Speakers, Hi-Res Audio, A2DP, LE, aptX HD |
Technical
| Specification | 8849 Tank X | K13 |
|---|---|---|
| Model numbers | — | CPH2729, PLD110 |
