The verdict
Your pick: Oppo K13x, ahead on Performance & hardware and Battery & charging. Unless Connectivity decides it for you.
| Category | A3i | K13x |
|---|---|---|
| Design & display | 6.1 | 6.0 |
| Performance & hardware | 4.7 | 5.1 |
| Camera | 3.8 | 3.8 |
| Connectivity | 7.0 | 6.2 |
| Battery & charging | 6.0 | 6.5 |
Which one is for you?
Oppo A3i, 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)
- against Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- Weight
- 187 g
- against 194 g
- Bluetooth Profiles
- A2DP, EDR, HID, LE, aptX, LDAC, SBC, AAC
- against A2DP, LE, aptX HD
Oppo K13x, if you care about…
- Battery Capacity
- 6,000 mAh
- against 5,100 mAh
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.3
- Maximum Storage Capacity
- 256 GB
- against 128 GB
Specification comparison
Performance
| Specification | A3i | K13x |
|---|---|---|
| Processor Model | MediaTek Dimensity 6300 | MediaTek Dimensity 6300 |
| Processor Process Size | 6 nm | 6 nm |
| Graphics GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| Storage Type | eMMC 5.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 2.4 GHz | 2.4 GHz |
| Maximum Storage Capacity | 128 GB | 256 GB Best value |
| AnTuTu Score | 409,464 | 415,000 Best value |
| Geekbench 6 Single-Core | — | 782 |
| Geekbench 6 Multi-Core | — | 2,012 |
| CPU Description | 2×2.4 GHz ARM Cortex-A76 + 6×2.0 GHz ARM Cortex-A55 | Octa-core CPU with 2 Cortex-A76 cores at 2.4 GHz and 6 Cortex-A55 cores at 2.0 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 | A3i | K13x |
|---|---|---|
| Body Colors | Black, Purple | Peach, Purple, Blue, Black, Cyan, Gold |
| Body Thickness | 7.7 mm Best value | 7.9 mm |
| Body Width | 76 mm | 76.2 mm |
| Body Height | 165.7 mm | 165.7 mm |
| Weight | 187 g Best value | 194 g |
| Usable Surface | 85 % | 87 % Best value |
| Body Materials | Plastic | Plastic |
| Resistance Features | IP54 | IP65, IP64, MIL-STD-810H Best value |
Battery
| Specification | A3i | K13x |
|---|---|---|
| Battery Capacity | 5,100 mAh | 6,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Ion |
| Fast Charge Power | 45 W | 45 W |
| Battery Features | Fast Charging, Non-Removable | Non-Removable, Rechargeable, Fast Charging, Battery Level Indicator |
Display
| Specification | A3i | K13x |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 1,000 nits | 1,000 nits |
| Display Diagonal | 6.67″ | 6.67″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,604 px | 1,604 px |
| Display Pixel Density | 264 ppi | 264 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | 240 Hz | — |
| Display Features | Hole-Punch Notch, SGS Certified, HDR10, DCI-P3, Scratch Resistant, Panda Glass, Capacitive Touch, Multi-Touch, Frameless | Hole-Punch Notch, Capacitive Touch, Multi-Touch, Frameless, Always-On Display |
Sensors
| Specification | A3i | K13x |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | A3i | K13x |
|---|---|---|
| Sensor Features | Cooling System, Fingerprint Sensor, Accelerometer, Gravity Sensor, Light Sensor, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Light Sensor |
Software
| Specification | A3i | K13x |
|---|---|---|
| Operating System | Android 14 | Android 15 |
| OS Family | — | Android |
| OS Version | 14 | 15 |
| OS Update Support | 1 year | — |
| Google Services | No | Yes Best value |
Connectivity
| Specification | A3i | K13x |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G CDMA BC0, 2G GSM 1800, 2G GSM 900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n8, 5G NR n28a, 5G NR n41, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B28B, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28a, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, UMTS, CDMA, LTE, 5G | GSM, HSPA, 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) Best value | 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 5.3 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, EDR, HID, LE, aptX, LDAC, SBC, AAC Best value | A2DP, LE, aptX HD |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, NFC, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C | 3.5 mm Audio Jack, USB Charging, USB Mass Storage, USB OTG, USB Host 2.0, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, USB 2.0 |
| USB Version | — | USB 2.0 |
| SAR American Head | — | 1.18 W/kg |
| SAR American Body | — | 1.05 W/kg |
| Max. download speed | — | 3,300 Mbps |
Audio
| Specification | A3i | K13x |
|---|---|---|
| Audio Features | Dolby Atmos, Hi-Res Audio, Noise-Cancellation Microphone, Stereo Speakers, A2DP, EDR, HID, LE, aptX, LDAC, SBC, AAC | Stereo Speakers, aptX HD, A2DP, LE, EDR |
Technical
| Specification | A3i | K13x |
|---|---|---|
| Model numbers | — | CPH2753, CPH2821 |
