The verdict
Your pick: Oppo K12x, ahead on Design & display, Performance & hardware and Battery & charging. Unless Camera or Connectivity decides it for you.
| Category | A40 | K12x |
|---|---|---|
| Design & display | 5.8 | 8.0 |
| Performance & hardware | 4.5 | 5.3 |
| Camera | 6.4 | 3.7 |
| Connectivity | 6.5 | 6.1 |
| Battery & charging | 6.0 | 6.7 |
Which one is for you?
Oppo A40, if you care about…
- Wi-Fi Standards
- 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/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- RAM Type
- DDR5
- against LPDDR4X
- Body Thickness
- 7.68 mm
- against 8.1 mm
- Geekbench 6 Single-Core
- 943
- against 894
Oppo K12x, if you care about…
- Battery Capacity
- 5,500 mAh
- against 5,100 mAh
- AnTuTu Score
- 405,000
- against 253,200
- RAM Capacity
- 12 GB
- against 8 GB
- Storage Type
- UFS 2.2
- against eMMC 5.1
Specification comparison
Performance
| Specification | A40 | K12x |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 6 Gen 1 | Qualcomm Snapdragon 695 |
| Processor Process Size | 4 nm Best value | 6 nm |
| Graphics GPU | Qualcomm Adreno 610 | Qualcomm Adreno 619 |
| Storage Type | eMMC 5.1 | UFS 2.2 Best value |
| Maximum CPU Clock | 2.2 GHz | 2.2 GHz |
| Maximum Storage Capacity | 256 GB | 512 GB Best value |
| AnTuTu Score | 253,200 | 405,000 Best value |
| Geekbench 6 Single-Core | 943 Best value | 894 |
| Geekbench 6 Multi-Core | 2,748 Best value | 2,044 |
| CPU Description | 4x 1.8 GHz Kryo 660 + 4x 2.1 GHz Kryo 660 | Octa-core: 2x2.2 GHz Kryo 660 Gold and 6x1.7 GHz Kryo 660 Silver |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 12 GB Best value |
| RAM Type | DDR5 Best value | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | A40 | K12x |
|---|---|---|
| Body Colors | Purple | Grey, Green, Purple |
| Body Thickness | 7.68 mm Best value | 8.1 mm |
| Body Width | 76.1 mm | 75.6 mm |
| Body Height | 165.8 mm | 162.9 mm |
| Weight | 186 g Best value | 191 g |
| Usable Surface | 85 % | 87.2 % Best value |
| Body Materials | Plastic | Glass, Plastic |
| Resistance Features | IP54, MIL-STD-810H | — |
Battery
| Specification | A40 | K12x |
|---|---|---|
| Battery Capacity | 5,100 mAh | 5,500 mAh Best value |
| Battery Type | Lithium | Li-Polymer |
| Fast Charge Power | 45 W | 80 W Best value |
| Battery Features | Fast Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable | Fast Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable |
Display
| Specification | A40 | K12x |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | OLED Best value |
| Peak Display Brightness | 1,000 nits | 2,100 nits Best value |
| Display Diagonal | 6.67″ | 6.67″ |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,604 px | 2,400 px Best value |
| Display Pixel Density | 264 ppi | 395 ppi Best value |
| Display Refresh Rate | 90 Hz | 120 Hz Best value |
| Touch Sampling Rate | 180 Hz | 240 Hz Best value |
| Display Features | Hole-Punch Notch, TÜV Rheinland Eye Comfort Certification, HDR10, DCI-P3, Panda Glass, Capacitive Touch, Multi-Touch, Frameless | Hole-Punch Notch, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Curved Glass, DCI-P3, Frameless |
Sensors
| Specification | A40 | K12x |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | A40 | K12x |
|---|---|---|
| Sensor Features | Cooling System, Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor |
Software
| Specification | A40 | K12x |
|---|---|---|
| Operating System | Android 14 | Android 14 |
| OS Family | Android | Android |
| OS Version | 14 | 14 |
| OS Update Support | 1 year | — |
| Google Services | Yes Best value | No |
| Widevine L1 | Yes | — |
Connectivity
| Specification | A40 | K12x |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 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 B26, 4G LTE B28B, 4G LTE B28A, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 2G CDMA B3, 2G CDMA B5, 2G CDMA B8, 3G UMTS B850, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 3G UMTS B1, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 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 n5, 5G NR n8, 5G NR n28a, 5G NR n41, 5G NR n77, 5G NR n78 |
| Cellular Technologies | LTE, 5G | GSM, CDMA, HSPA, UMTS, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E Best value | Wi-Fi 802.11a/b/g/n/ac, 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 5.2 | Bluetooth 5.2 |
| Bluetooth Profiles | A2DP, EDR, LE, aptX, LDAC, SBC, AAC | A2DP, LE |
| 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 Type-C, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, Computer Sync, Tethering, VoLTE |
| USB Version | — | USB 2.0 |
| Max. download speed | 2,900 Mbps Best value | 2,500 Mbps |
| Max. upload speed | 900 Mbps | 1,500 Mbps Best value |
Audio
| Specification | A40 | K12x |
|---|---|---|
| Audio Features | Hi-Res Audio, Stereo Speakers, A2DP, EDR, LE, aptX, LDAC, SBC, AAC | Stereo Speakers, A2DP, LE |
Technical
| Specification | A40 | K12x |
|---|---|---|
| Model numbers | — | PJT110 |
