OnePlus Ace 3vsOppo K12

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

OnePlus
OnePlus Ace 3
Ace 3
Processor:Qualcomm Snapdragon 8 Gen2
RAM:12GB
Storage:256GB

Quick Stats

The OnePlus Ace 3 boasts exceptional battery life, making it the king of power performance in its price range.
The OnePlus Ace 3 boasts an exceptionally bright and high-quality display that sets it apart from competitors.
The OnePlus Ace 3's camera system falls short of expectations, with macro and ultra-wide-angle cameras being particularly disappointing.
The OnePlus Ace 3 delivers seamless performance with efficient processing and cooling, handling demanding tasks effortlessly always.
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
OnePlus Ace 3
3.20 GHz
Oppo K12
2.63 GHz

RAM

Winner
OnePlus Ace 3
12GB
Oppo K12
8GB

Storage

Tie
OnePlus Ace 3
256GB
Oppo K12
256GB

Weight

Winner
OnePlus Ace 3
207g
Oppo K12
186g
Rank
OnePlus Ace 3
Winner
#122
Oppo K12
#396
Scores by Category
Rankings
Connectivity
OnePlus Ace 3
#158
Winner
Oppo K12
#548
Design
OnePlus Ace 3
#589
Winner
Oppo K12
#734
Display
OnePlus Ace 3
#411
Oppo K12
#230
Winner
Performance
OnePlus Ace 3
#64
Winner
Oppo K12
#290
Battery
OnePlus Ace 3
#54
Winner
Oppo K12
#184
Camera
OnePlus Ace 3
#345
Winner
Oppo K12
#655
item_phones_categoryId
OnePlus Ace 3
#1
Tie
Oppo K12
#1
Tie

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

Specifications Comparison
Specification
OnePlus OnePlus Ace 3
Oppo Oppo K12
Model
Qualcomm Snapdragon 8 Gen2
Qualcomm Snapdragon 7 Gen 3 (SM7550-AB)
CPU
1x3.2GHz Cortex, X3 + 2x2.8 GHz Cortex, A715 + 2x2.8 GHz Cortex, A710 + 3x2.02 GHz 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
3.20
2.63
64 Bits
Yes
Yes
GPU
Qualcomm Adreno 740
Qualcomm Adreno 720
RAM
12
8
Type
RAM LPDDR5X
LPDDR4X RAM
Capacity
256
256
Type
UFS Storage 4.0
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
N/A
Yes
Gyroscope sensor
Yes
Yes
Gravity sensor
Yes
Yes
RGB sensor
Yes
N/A
Geomagnetic sensor
Yes
N/A
Audio
Stereo Speakers
Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones
Antutu Score
1743901
866863
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 96% of devices
Overall performance better than 85% of devices
Cooling system
Yes
Yes
Gaming buttons
No
No
Extras
Vapor Cooling Chamber
N/A

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

OnePlus Ace 3

Strengths

The A3's display panel is the same as a Realme GT5 Pro, with a window Peak brightness of 4,500 nit and a full screen brightness that can reach 1,600 nits.
The phone has a long-lasting battery life, making it the king of bettery life in its price range, thanks to its 5,500mAh battery and high charging power of 100W.
The A3's main camera uses the IMX586 sensor and performs well, with good photos taken at both 23mm and 56mm focal lengths.
The phone supports super resolution and frame interpolation in all games, allowing for sharper and smoother gaming experiences.

Weaknesses

The macro camera is poor in image quality and has serious bugs, such as greenish or reddish tint on one side of the photo.
The ultra-wide camera is not good, lacking clarity even in bright light conditions and getting worse in low-light situations.
The phone's design is similar to other models, including the use of a flash-like ambient light sensor on the front panel.
Some features, such as wireless charging and IP68 rating, are missing from the A3.

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

OnePlus Ace 3

In a bid to keep up with the competition, OnePlus has launched its latest mid-range offering, the Ace 3, powered by the Snapdragon Agent 2 processor. The phone's design may look familiar, but it boasts some notable upgrades over its predecessor. With a focus on delivering a smoother gaming experience and improved display quality, the Ace 3 seems to have taken inspiration from other brands in the same price range. But does it finally deliver what we've been expecting? Let's dive in and find out.

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.

Need help choosing?

Read our detailed reviews to understand which device is better for your specific needs and budget.

Read OnePlus Ace 3 ReviewRead Oppo K12 Review

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