Xiaomi Redmi K40 ProvsOppo A3 Pro

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

Xiaomi
Xiaomi Redmi K40 Pro
Redmi K40 Pro
Processor:Qualcomm Snapdragon 888
RAM:6GB
Storage:128GB

Quick Stats

The Xiaomi Redmi K40 Pro's battery life is decent but not outstanding, suitable for light to moderate users.
The Xiaomi Redmi K40 Pro boasts an impressive display with good brightness and a smooth 120Hz refresh rate overall.
The most significant weakness of the Xiaomi Redmi K40 Pro lies in its subpar camera performance.
The Xiaomi Redmi K40 Pro delivers seamless performance and impressive multitasking capabilities with its Qualcomm Snapdragon 888 chipset.
Oppo
Oppo A3 Pro
A3 Pro
Processor:MediaTek Dimensity 7050 (MT6877)
RAM:8GB
Storage:256GB

Quick Stats

The Oppo A3 Pro's battery life is solid and sufficient for most users' needs, with some limitations.
The Oppo A3 Pro's display is functional but average, suitable for general use, not spectacular overall.
The Oppo A3 Pro's camera experience falls short of expectations due to compromised image quality and features.
The Oppo A3 Pro's performance is decent for everyday tasks but struggles with gaming and multitasking demands.
Key Differences

Processor Speed

Winner
Xiaomi Redmi K40 Pro
2.84 GHz
Oppo A3 Pro
2.60 GHz

RAM

Winner
Xiaomi Redmi K40 Pro
6GB
Oppo A3 Pro
8GB

Storage

Winner
Xiaomi Redmi K40 Pro
128GB
Oppo A3 Pro
256GB

Weight

Winner
Xiaomi Redmi K40 Pro
196g
Oppo A3 Pro
177g
Rank
Xiaomi Redmi K40 Pro
Winner
#263
Oppo A3 Pro
#476
Scores by Category
Rankings
Connectivity
Xiaomi Redmi K40 Pro
#294
Winner
Oppo A3 Pro
#453
Design
Xiaomi Redmi K40 Pro
#497
Oppo A3 Pro
#319
Winner
Display
Xiaomi Redmi K40 Pro
#394
Winner
Oppo A3 Pro
#402
Performance
Xiaomi Redmi K40 Pro
#260
Winner
Oppo A3 Pro
#422
Battery
Xiaomi Redmi K40 Pro
#381
Winner
Oppo A3 Pro
#528
Camera
Xiaomi Redmi K40 Pro
#180
Winner
Oppo A3 Pro
#625
item_phones_categoryId
Xiaomi Redmi K40 Pro
#1
Tie
Oppo A3 Pro
#1
Tie

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

Specifications Comparison
Specification
Xiaomi Xiaomi Redmi K40 Pro
Oppo Oppo A3 Pro
Model
Qualcomm Snapdragon 888
MediaTek Dimensity 7050 (MT6877)
CPU
1x Cortex X1 2.84GHz + 3x Cortex A78 2.42GHz + 4x Cortex A55 1.8GHz
2x2.6 GHz ARM Cortex, A78+6x 2.0 GHz ARM Cortex, A55
Type
Octa-Core
Octa-Core
Nanometer
5
6
Frequency
2.84
2.60
64 Bits
Yes
Yes
GPU
Adreno 660
Mali-G68 MC4
RAM
6
8
Type
RAM LPDDR5
LPDDR4X RAM
Capacity
128
256
Type
UFS Storage 3.1
UFS Storage 3.1
SD slot
No
N/A
Fingerprint security
Yes, on the side
Yes, in screen
Fingerprint sensor
Yes
Yes
Proximity sensor
N/A
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
Yes
N/A
Gyroscope sensor
Yes
Yes
Barometer sensor
Yes
N/A
RGB sensor
Yes
N/A
Hall sensor
N/A
Yes
Geomagnetic sensor
N/A
Yes
Ultrasonic proximity virtual sensor
Yes
N/A
Audio
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
N/A
Antutu Score
903172
545000
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 87% of devices
Overall performance better than 76% of devices
Cooling system
Yes
Yes
Gaming buttons
No
No
Extras
X-axis Linear Motor
N/A

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

Xiaomi Redmi K40 Pro

Strengths

Fast charging up to 33W with a slightly aggressive charging strategy.
Dual SIM cards with dual 5G network standby for heavy users.
Dolby-certified speakers produce immersive stereo sound.
Decent camera setup performs well under good lighting conditions.

Weaknesses

Camera is not as good as the Mi 11's camera, especially in low-light conditions and when filming video.
Limited video recording capabilities (up to 4K 30fps on main camera and up to 1080p 30fps on wide-angle camera).
Average battery life may not be as efficient as other devices with similar specs.
Speakers are less impressive than the Mi 11's speakers, despite Dolby Atmos sound technology.

Oppo A3 Pro

Strengths

For about $200 you're going to get a very good sturdy phone
The display is good kind of display over here
The software experience is actually pretty decent and it doesn't really fail you that much
The battery is normal for a full day of usage

Weaknesses

You won't get an ultra wide lens, which would make a lot of difference
The rear cameras are not the best, especially under good lighting conditions
The selfie camera's sharpness is not the best, but it still gives you a good amount of details
The software has to cut some corners to give you more of a simple approach
Read Full Reviews

Xiaomi Redmi K40 Pro

The Xiaomi Redmi K40 Pro is a solid offering in the mid-range smartphone market. The device features a powerful Qualcomm Snapdragon 888 processor, up to 12GB of RAM, and a 4500mAh battery that provides decent battery life. The camera setup on the K40 Pro is decent under good lighting conditions but lacks behind its predecessor, the Xiaomi Mi 11. One of the standout features of the K40 Pro is its charging capabilities, with support for up to 33W fast charging. This allows users to quickly top up their device, making it a great option for those who need a quick power boost. The phone also supports dual SIM cards with dual 5G network standby, which is a nice touch. The Redmi K40 Pro's speakers feature Dolby Atmos certification and produce immersive stereo sound. However, they fall short of the Mi 11 in terms of sound output. In terms of pricing, the K40 Pro is still one of the best options available in its price range. It offers more features and a better performance compared to last year's Redmi K30 Pro. However, it now faces competition from the recently released Realme GT, which offers similar specs at a lower price point. Overall, the Xiaomi Redmi K40 Pro is a solid mid-range smartphone that offers a good balance of performance, battery life, and features. While it may not be perfect, it's still a great option for those looking for a powerful device without breaking the bank.

Oppo A3 Pro

The Oppo A3 Pro is a budget-friendly smartphone that offers a compelling package for its price point. With a sturdy build and decent display, this phone is perfect for those looking for a reliable device without breaking the bank. The software experience is also noteworthy, with a clean interface and AI-driven features that make it suitable for everyday use. While the camera capabilities may not be the strongest, they are still respectable given the phone's price. This review aims to provide an in-depth look at the Oppo A3 Pro's strengths and weaknesses.

Need help choosing?

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

Read Xiaomi Redmi K40 Pro ReviewRead Oppo A3 Pro Review

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