OnePlus Ace 3vsOppo K12 Plus

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 Plus
K12 Plus
Processor:Qualcomm Snapdragon 7 Gen 3 (SM7550-AB)
RAM:8GB
Storage:256GB

Quick Stats

The Oppo K12 Plus's battery life fell short of expectations due to moderate-to-poor endurance and heavy usage impact.
The Oppo K12 Plus boasts an impressive AMOLED display with fast refresh rate and high resolution features.
The Oppo K12 Plus's camera system excels in low-light conditions with excellent image quality and minimal noise.
The Oppo K12 Plus's performance under heavy loads, like gaming, leaves room for improvement significantly.
Key Differences

Processor Speed

Winner
OnePlus Ace 3
3.20 GHz
Oppo K12 Plus
2.63 GHz

RAM

Winner
OnePlus Ace 3
12GB
Oppo K12 Plus
8GB

Storage

Tie
OnePlus Ace 3
256GB
Oppo K12 Plus
256GB

Weight

Winner
OnePlus Ace 3
207g
Oppo K12 Plus
186g
Rank
OnePlus Ace 3
Winner
#122
Oppo K12 Plus
#394
Scores by Category
Rankings
Connectivity
OnePlus Ace 3
#158
Winner
Oppo K12 Plus
#545
Design
OnePlus Ace 3
#589
Winner
Oppo K12 Plus
#733
Display
OnePlus Ace 3
#411
Oppo K12 Plus
#228
Winner
Performance
OnePlus Ace 3
#64
Winner
Oppo K12 Plus
#289
Battery
OnePlus Ace 3
#54
Winner
Oppo K12 Plus
#181
Camera
OnePlus Ace 3
#345
Winner
Oppo K12 Plus
#654
item_phones_categoryId
OnePlus Ace 3
#1
Tie
Oppo K12 Plus
#1
Tie

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

Specifications Comparison
Specification
OnePlus OnePlus Ace 3
Oppo Oppo K12 Plus
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 Plus

Strengths

The phone has a good display with a fast refresh rate AMOLED screen.
It comes with stereo speakers providing a nice multimedia experience.
The camera quality is above average, with a 50MP main camera and an 8MP ultra-wide camera.
The phone has a lightweight design making it easy to hold for a long time.
It runs on Color OS 14 which is highly optimized for performance.
The phone's AMOLED screen also features diamond frame design for better protection.

Weaknesses

The phone may not be suitable for heavy gaming due to its average gaming performance.
The frame of the phone is made of plastic and has no antenna lines, which might affect the phone's durability.
The fingerprint sensor is placed quite low on the phone, making it slightly inconvenient to access.
The chin of the phone is slightly larger, affecting its overall aesthetic appeal.
The phone's average frame rate dropped to 37.6 FPS after playing a heavy game for 30 minutes at high quality settings with 60 FPS.
The phone's back temperature reached 41.7°C during heavy gaming, which might be a concern.
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 Plus

The Oppo K12 Plus is a mid-range 5G phone that boasts a fast refresh rate AMOLED display and a powerful Snapdragon 7 Gen 3 processor. With a 50MP dual camera and lightweight design, this phone promises a seamless multimedia experience. The device also features a 6.7-inch screen, 120Hz refresh rate, and dual stereo speakers. We'll dive deeper into the phone's performance, camera quality, and gaming capabilities in our review, so stay tuned!

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 Plus Review

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