The verdict
Your pick: Oppo K9x, ahead on Connectivity and Battery & charging. Unless Design & display decides it for you.
| Category | X7 | K9x |
|---|---|---|
| Design & display | 6.9 | 5.9 |
| Performance & hardware | 5.0 | 4.8 |
| Camera | 5.5 | 5.2 |
| Connectivity | 6.0 | 6.4 |
| Battery & charging | 4.8 | 5.7 |
Which one is for you?
Realme X7, if you care about…
- Display Technology
- Super AMOLED
- against IPS LCD
- Weight
- 179 g
- against 194 g
- Fast Charge Power
- 50 W
- against 33 W
- Body Thickness
- 8.1 mm
- against 8.8 mm
Oppo K9x, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,310 mAh
- RAM Capacity
- 12 GB
- against 8 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
- against Wi-Fi 802.11a/b/g/n/ac
- Storage Type
- UFS 2.2
- against UFS 2.1
Specification comparison
Performance
| Specification | X7 | K9x |
|---|---|---|
| Processor Model | MediaTek Dimensity 800U | MediaTek Dimensity 810 |
| Processor Process Size | 7 nm | 6 nm Best value |
| Graphics GPU | Mali-G57 MC3 | Mali-G57 MC2 |
| Storage Type | UFS 2.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 2.4 GHz | 2.4 GHz |
| Maximum Storage Capacity | 128 GB | 512 GB Best value |
| AnTuTu Score | 330,000 | 425,557 |
| CPU Description | Octa-core processor with 2 Cortex-A76 cores at 2.4 GHz and 6 Cortex-A55 cores at 2.0 GHz. | Octa-core CPU with two performance cores at 2.4 GHz and six efficiency cores at 2.0 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 12 GB Best value |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | No | Yes Best value |
| AnTuTu version | v8 | v10 |
Design
| Specification | X7 | K9x |
|---|---|---|
| Body Colors | Silver, Black, White, Blue | Black, Blue |
| Body Thickness | 8.1 mm Best value | 8.8 mm |
| Body Width | 74.4 mm | 74.8 mm |
| Body Height | 160.9 mm | 162.2 mm |
| Weight | 179 g Best value | 194 g |
| Usable Surface | 82.6 % | 84.2 % Best value |
| Body Materials | Polycarbonate, P2i Nano Coating | Plastic |
Battery
| Specification | X7 | K9x |
|---|---|---|
| Battery Capacity | 4,310 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 50 W Best value | 33 W |
| Battery Features | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Non-Removable, Rechargeable |
Display
| Specification | X7 | K9x |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | Super AMOLED Best value | IPS LCD |
| Peak Display Brightness | 600 nits | 600 nits |
| Display Diagonal | 6.4″ | 6.49″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px | 2,400 px |
| Display Pixel Density | 411 ppi Best value | 405 ppi |
| Display Refresh Rate | — | 90 Hz |
| Touch Sampling Rate | 180 Hz | — |
| Display Contrast Ratio | 1,000,000 :1 | — |
| Display Features | Hole-Punch Notch, Scratch Resistant, Gorilla Glass, Curved Glass, Capacitive Touch, Multi-Touch, Frameless, Always-On Display, Touchscreen | Aluminosilicate Glass, Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Touchscreen |
Sensors
| Specification | X7 | K9x |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Side |
Sensor
| Specification | X7 | K9x |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor |
Software
| Specification | X7 | K9x |
|---|---|---|
| Operating System | Android 10 | Android 11 |
| OS Family | Android | Android |
| OS Version | 10 | 11 Best value |
Connectivity
| Specification | X7 | K9x |
|---|---|---|
| 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, 2G CDMA B2, 2G CDMA B3, 2G CDMA B5, 2G CDMA B8, 3G UMTS B1, 3G UMTS B2, 3G UMTS 1700 AWS, 3G UMTS B3, 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 B18, 4G LTE B19, 4G LTE B26, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n41, 5G NR n77, 5G NR n78, 5G NR n79 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 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 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 B29, 4G LTE B32, 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 n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28a, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE, 5G | GSM, CDMA, HSPA, CDMA2000, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.1 | Bluetooth 5.1 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, aptX |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo, BeiDou, QZSS Best value | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, Tethering, VoLTE | 3.5 mm Audio Jack, USB Charging, USB Mass Storage, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 2,000 Mbps | 2,770 Mbps Best value |
| Max. upload speed | 210 Mbps | — |
Audio
| Specification | X7 | K9x |
|---|---|---|
| Microphone Count | 2 | — |
| Audio Features | A2DP, LE, Hi-Res Audio, Stereo Speakers, Dolby Atmos Best value | A2DP, LE, aptX, Loudspeaker |
Technical
| Specification | X7 | K9x |
|---|---|---|
| Model numbers | RMX3092 | PGCM10 |