


Oppo K9
$280
Overview
Oppo K9 is a mid-range Android smartphone released in 2021 with a 6.43-inch Super AMOLED, Snapdragon 768 chipset, 64 main camera, and 4300 mAh battery.
The device runs ColorOS with features like MariSilicon. Priced at $280, it targets users seeking mid-range performance.
Specifications of Oppo K9
The display of Oppo K9 measures 6.43 inches with Super AMOLED technology and 90Hz refresh rate. Peak brightness reaches 430 nits for excellent outdoor visibility. The screen renders at 1080x2400 pixels resolution.
The camera system of Oppo K9 features 3 rear cameras: 64 main, 8MP ultrawide. Video recording supports up to 2160p.
The battery of Oppo K9 has 4300mAh capacity with 65 wired charging. A full charge takes approximately 35 min minutes.
The performance of Oppo K9 is powered by the Snapdragon 768 chipset with PowerVR GE8320 600MHz GPU. Geekbench scores reach 650 single-core and 1900 multi-core. AnTuTu benchmark achieves 75300.
The memory of Oppo K9 offers 8GB RAM with 128GB storage options. RAM uses LPDDR3 technology. Storage is eMMC. Storage is not expandable.
The connectivity of Oppo K9 includes 5G support, Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, and Bluetooth 5.0.
The build of Oppo K9 weighs 155g with Plastic frame and Glass back. Water and dust resistance is rated IP52. Dimensions measure 159.1 x 73.4 x 7.9 mm.
The software of Oppo K9 runs Android 11, ColorOS 11.1 with ColorOS. Software support extends 2 years through 2028.
Compare Oppo K9
Frequently Asked Questions about Oppo K9
Yes, Oppo K9 is good for photography with its 64 camera. It handles everyday photography well with solid detail and color accuracy.
Yes, Oppo K9 handles gaming well with its Snapdragon 768. Most games run smoothly at medium to high settings.
Oppo K9 receives 2 years of updates through 2028. Consider this when planning long-term device usage.
Yes, Oppo K9 supports 5G connectivity with both Sub-6GHz and mmWave bands for maximum network compatibility and fastest speeds. It works with major 5G carriers globally.
Oppo K9 has IP52 protection against dust and water.
Oppo K9 has a 4300mAh battery. This provides full-day battery life with typical usage patterns.
Oppo K9 at $280 is a mid-range device. It's worth buying if you prioritize balanced performance and value.
Oppo K9 supports 65 wired charging with full charge in approximately 35 min minutes.
Oppo K9 is available in 128GB storage options. Storage is not expandable, so choose your capacity based on your needs.
Oppo K9 has a 6.43-inch Super AMOLED with 90Hz refresh rate and 430 nits peak brightness. HDR support includes No.
Oppo K9 in Category Rankings
See how Oppo K9 ranks in these categories:
Verdict
The Oppo K9 delivers solid value for budget-conscious users who need reliable performance. The phone excels in versatile camera system. Select this phone for reliable daily use, if you seek good value without compromising on essential features.
Key Specifications
Display
6.43"
Main Camera
64
Chipset
Snapdragon 768
Full Specifications
Network
| Technology | GSM / CDMA / HSPA / CDMA2000 / LTE / 5G |
| 2G Bands | GSM / |
| 3G Bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G LTE Bands | LTE / |
| 5G Sub-6 Bands | 5G |
| 5G mmWave Bands | |
| Speed | N/A |
| Carrier Aggregation | |
| SIM | Nano-SIM |
| Dual SIM Mode | Dual SIM |
| eSIM Support | |
| VoLTE Support | N/A |
| VoWiFi | N/A |
| NR CA Support | 2CC |
Launch
| Announced | 2021 |
| Status | Out of Stock |
| Availability | N/A |
| Model Variants | N/A |
| Launch Price | $117.64 |
Body & Design
| Dimensions (mm) | 159.1 x 73.4 x 7.9 mm |
| Weight (g) | 155 |
| Build Materials | Back: Plastic |
| Frame | Plastic |
| Back Finish | Glass |
| Colors | ["Black", "Aurora"] |
| IP Rating | IP52 |
| Rugged Certifications | |
| Ingress Gaskets | N/A |
| Form Factor | Bar |
| Hinge Type | N/A |
| Folded Dimensions | 0x0x0 |
| Thermal Solution | Graphite |
| Notification/Alert | |
| Haptics | Basic |
Display
| Panel Type | Super AMOLED |
| Size (inches) | 6.43 |
| Resolution (px) | 1080x2400 pixels |
| Aspect Ratio | 1:2 |
| Pixel Density (ppi) | 282 |
| Screen-to-body Ratio (%) | 74 |
| Refresh Rate (Hz) | 90 |
| Adaptive Refresh Rate | |
| Touch Sampling Rate (Hz) | 180 |
| Peak Brightness (nits) | 430 |
| HDR Standards | |
| Color Gamut | sRGB |
| Color Depth | 16 |
| PWM Dimming (Hz) | 2000 |
| Glass Protection | Corning Gorilla Glass 5 |
| Oleophobic Coating | N/A |
| Curvature | Flat |
| Always-on Display | |
| Display Driver IC | N/A |
| Cover Display |
Platform (SoC)
| OS at Launch | Android 11, ColorOS 11.1 |
| Update Policy | 2 years |
| Chipset | Snapdragon 768 |
| CPU | 4x Cortex A53 2.0 GHz + 4x Cortex A53 1.5 GHz |
| GPU | PowerVR GE8320 600MHz |
| NPU/AI TOPs | 5.5 TOPS |
| ISP Features | Spectra 355L |
| Modem | Snapdragon X52 |
| Wi-Fi/Bluetooth Chip | N/A |
| Throttling Behavior | N/A |
| Geekbench Single-Core | 650 |
| Geekbench Multi-Core | 1900 |
| AnTuTu Score | 75300 |
| 3DMark Scores | N/A |
Memory & Storage
| RAM | 8GB |
| RAM Type | LPDDR3 |
| Storage | 128GB |
| Storage Type | eMMC |
| Storage Speed | UFS 2.1 |
| Expandable Storage | |
| Slot Type | N/A |
| USB OTG | |
| Filesystem Encryption |
Main Camera System
| Rear Cameras | 3 |
| Main Sensor | 64 |
| Main Sensor Size | 1/3.1" |
| Main Sensor Model | Reset Rating Please write a review Your review for Issue Faced - Hangs on Multitasking - Poor Battery Performance - Heating Issue CloseSubmit ## Lenovo K9 Key Highlights |
| Main Lens | f/1.7, 26mm |
| OIS | |
| Autofocus | PDAF |
| Pixel Binning | 1.12µm |
| Ultrawide | 8MP, FOV: 120° |
| Telephoto | N/A |
| Macro | 2 |
| Depth/ToF/LiDAR | |
| Flicker/Color Sensors | N/A |
| Flash | LED |
| Video Resolution | 2160p |
| HDR/Dolby Vision Video | |
| Video Codecs | H.264, H.265 |
| Slow Motion | 1080p@120fps |
| Video Stabilization | |
| Night Mode Features | |
| RAW/Pro Controls | N/A |
Selfie Camera
| Resolution | 32 |
| Sensor Size | CMOS |
| Aperture | f/2.4 |
| AF/OIS | |
| Secondary Front Cam | |
| Front Flash | |
| Video | 1080p@30fps |
| HDR/Dolby Vision | N/A |
| Face Unlock | 2D |
Audio
| Loudspeakers | |
| 3.5mm Jack | |
| Hi-Res Audio | |
| Spatial Audio / Dolby Atmos | |
| Microphones | 1 |
| Bluetooth Codecs | AAC, aptX, LDAC |
| DAC/Amp | Built-in DAC |
Connectivity
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Wi-Fi Features | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0 |
| NFC | |
| IR Blaster | |
| UWB | N/A |
| Positioning | GPS, GLONASS, GALILEO, BDS, QZSS |
| Dual-Band GNSS | |
| FM Radio | |
| USB | USB Type C |
| Display Out | |
| eSIM Capacity |
Sensors
| Fingerprint Sensor | Fingerprint (Under Display, Optical) |
| 3D Face ID | N/A |
| Accelerometer | |
| Gyroscope | |
| Magnetometer | |
| Proximity Sensor | |
| Ambient Light | |
| Barometer | |
| Thermo/Hygrometer | N/A |
| UV Sensor | N/A |
| Hall Sensor | |
| Color Temp Sensor | |
| Health Sensors | |
| Satellite SOS |
Battery & Charging
| Capacity (mAh) | 4300 |
| Type | Li-Po |
| Removable | |
| Endurance Rating | N/A |
| Wired Charging | 65 |
| Wired Standard | 65W SuperVOOC 2.0 |
| 0-50% Time (mins) | 25 min |
| Full Charge Time | 35 min |
| Wireless Charging | N/A |
| Wireless Standard | |
| Reverse Wireless | N/A |
| Reverse Wired | |
| Charger in Box | |
| Battery Health Features | 1000 charge cycles |
Software
| OS at Launch | Android 11, ColorOS 11.1 |
| Update Window | 2 years |
| UI Skin / Launcher | ColorOS |
| Feature Drops | N/A |
| App Cloning | N/A |
| Game Mode | |
| Privacy Features | App Lock, Private Safe |
| Accessibility | ColorOS Accessibility Suite |
| Satellite Messaging UI |
Miscellaneous
| In-Box Contents | Phone, Charger, Cable, Case, SIM Tool |
| Recycled Materials (%) | N/A |
| Repairability Score | A |
| Warranty | N/A |
Reviews & Ratings
186 ratings
Showing 3 of 186 reviews
Alex R.
2 weeks ago
Absolutely love the camera on this phone! The zoom is incredible and the photos are so crisp. Battery life is also a huge plus.
Ben C.
1 month ago
Great performance and beautiful display. My only complaint is that it feels a bit heavy, but you get used to it. Solid phone overall.
Chloe D.
3 months ago
The best phone I've ever owned. It's fast, the software is clean, and the build quality is top-notch. Highly recommend!