vivo iQOO 9vsOppo K12

We compare these two popular phones to help you decide which one fits your needs and budget better.

vivo
vivo iQOO 9
iQOO 9
Processor:Qualcomm Snapdragon 8 Gen1
RAM:8GB
Storage:256GB

Quick Stats

The Vivo iQOO 9's impressive battery life is its most significant highlight with long-lasting power supply.
The vivo iQOO 9 boasts an impressive AMOLED screen with up to 120Hz refresh rate prominently.
The Vivo IQOO 9 boasts a robust and capable camera system with impressive features and results overall.
The Vivo IQOO 9's lightning-fast processor ensures effortless multitasking and seamless performance across all tasks and applications.
Oppo
Oppo K12
K12
Processor:Qualcomm Snapdragon 7 Gen 3 (SM7550-AB)
RAM:8GB
Storage:256GB

Quick Stats

The Oppo K12's battery life is its standout feature, promising an all-day experience with efficient power management.
The Oppo K12's stunning display offers an impressive visual experience with high brightness and vibrant colors, ideal for gaming.
The Oppo K12's camera system offers capable and reliable photo and video capture without breaking the bank.
The Oppo K12 delivers smooth performance for everyday tasks and light gaming, with efficient battery usage guaranteed.
Key Differences

Processor Speed

Winner
vivo iQOO 9
3 GHz
Oppo K12
2.63 GHz

RAM

Tie
vivo iQOO 9
8GB
Oppo K12
8GB

Storage

Tie
vivo iQOO 9
256GB
Oppo K12
256GB

Weight

Winner
vivo iQOO 9
206g
Oppo K12
186g
Rank
vivo iQOO 9
Winner
#170
Oppo K12
#396
Scores by Category
Rankings
Connectivity
vivo iQOO 9
#251
Winner
Oppo K12
#548
Design
vivo iQOO 9
#278
Winner
Oppo K12
#734
Display
vivo iQOO 9
#185
Winner
Oppo K12
#230
Performance
vivo iQOO 9
#155
Winner
Oppo K12
#290
Battery
vivo iQOO 9
#342
Oppo K12
#184
Winner
Camera
vivo iQOO 9
#456
Winner
Oppo K12
#655
item_phones_categoryId
vivo iQOO 9
#1
Tie
Oppo K12
#1
Tie

Note: Lower rank number indicates a better position in category.

Specifications Comparison
Specification
vivo vivo iQOO 9
Oppo Oppo K12
Model
Qualcomm Snapdragon 8 Gen1
Qualcomm Snapdragon 7 Gen 3 (SM7550-AB)
CPU
1x3.0GHz Cortex X2 + 3x2.5GHz Cortex A710 + 4x1.80GHz Cortex A510
1x2.63 GHz Cortex, A715 +3x2.4 GHz Cortex, A715 + 4x1.8 GHz Cortex, A510
Type
Octa-Core
Octa-Core
Nanometer
4
4
Frequency
3
2.63
64 Bits
Yes
Yes
GPU
Adreno 730
Qualcomm Adreno 720
RAM
8
8
Type
RAM LPDDR5
LPDDR4X RAM
Capacity
256
256
Type
UFS Storage 3.1
UFS Storage 3.1
SD slot
No
N/A
Fingerprint security
Yes, in screen
Yes, in screen
Fingerprint sensor
Yes
Yes
Proximity sensor
Yes
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
Yes
Yes
Gyroscope sensor
Yes
Yes
Gravity sensor
N/A
Yes
Hall sensor
Yes
N/A
Audio
Stereo Speakers
Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones
Antutu Score
1233775
866863
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 91% of devices
Overall performance better than 85% of devices
Cooling system
Yes
Yes
Gaming buttons
No
No
Extras
Dual linear motor, Dual-control pressure sensing under the screen, 3923mm² VC soaking board
N/A

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

vivo iQOO 9

Strengths

Exceptional Performance
Long-Lasting Battery Life
Excellent Camera System
Large Display
Rapid Charging Options

Weaknesses

Large Size
Limited Ultra-Wide Angle Image Quality
Occasional Camera Noise
No 60fps Option for 8K Video Recording
Price

Oppo K12

Strengths

The Oppo K12 features a fast refresh rate OLED display with a resolution of 2408 x 1080 pixels, supporting a refresh rate of 120Hz.
It has a super fall resistance structural design, making it durable and reliable.
The phone comes with a huge battery (5,500 mAh) and supports fast charging (100W Super VOOC).
The Oppo K12 features a power management chip that enhances battery efficiency, ensuring longer battery life and increased durability.
It has a great multimedia experience with good visibility even outdoors thanks to its 10bit color depth OLED display.
The phone's camera features a 50-megapixel Sony IMX 882 sensor with Optical image stabilization, producing above-average quality photos.
The Oppo K12 is available in three storage variants (8/256GB, 12/256GB, and 12/512GB), making it suitable for various user needs.

Weaknesses

There's no mention of the phone's weight or dimensions, which might be a concern for some users.
The Oppo K12's camera performance is described as 'above-average,' which might not satisfy those looking for top-notch photography capabilities.
There's no specific information about the phone's gaming performance beyond playing Honor of Kings at 120 frames per second.
Some users might find the design a bit plain or uninspired, despite its professional look and comfortable grip.
The phone's price is not explicitly mentioned in the review text, which makes it hard to compare with other devices.
There's no discussion about the phone's audio quality, which might be an important factor for some users.
Some readers might find the Oppo K12's processor (Snapdragon 7 Gen 3) a bit underpowered for heavy gaming or demanding tasks.
Read Full Reviews

vivo iQOO 9

The Vivo IQOO 9 is an impressive smartphone that excels in various aspects. The device boasts impressive performance, with a powerful processor and ample memory, making it suitable for demanding tasks such as gaming and multitasking. One of the standout features of the IQOO 9 is its exceptional battery life, which easily lasts a day or more with moderate use. Additionally, the phone's charging capabilities are equally impressive, supporting up to 120W wired charging and 50W wireless charging. The camera setup on the IQOO 9 is also noteworthy, with a 50MP primary sensor that captures detailed images and videos. The device's ultra-wide-angle lens allows for expansive shots, while the 16MP selfie camera takes good quality portraits. The camera app offers various features and modes to suit different situations. In terms of design, the IQOO 9 is quite large, but its sleek finish and sturdy build make it comfortable to hold. While not the most portable device, it still feels premium in hand. Overall, the Vivo IQOO 9 is a well-rounded smartphone that offers excellent performance, impressive battery life, and capable cameras. Its high charging speeds are an added bonus, making it suitable for users who want a fast-charging device. While there may be some minor drawbacks to the IQOO 9, such as its relatively large size, it remains a compelling option for those seeking a powerful Android smartphone with excellent features.

Oppo K12

The Oppo K12 5G phone has just launched, boasting impressive features such as a fast refresh rate OLED display, super fall resistance structural design, and mid-segment power-efficient processor. The device also comes with a huge battery, fast charging capabilities, and a sleek design. With a focus on durability and performance, the Oppo K12 seems to be an exciting addition to the market. In this review, we'll take a closer look at its features, camera, and overall user experience.

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