Samsung Galaxy S23 UltravsOppo K12 Plus

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

Samsung
Samsung Galaxy S23 Ultra
Galaxy S23 Ultra
Processor:Qualcomm Snapdragon 8 Gen2 ( 3,36 GHz)
RAM:8GB
Storage:256GB

Quick Stats

The Samsung Galaxy S23 Ultra offers respectable and reliable battery life, suitable for moderate to heavy use patterns.
The Samsung Galaxy S23 Ultra boasts an exceptionally bright, vibrant, and color-accurate Dynamic AMOLED display.
The Samsung Galaxy S23 Ultra's camera delivers exceptional image quality and impressive video capabilities overall.
The Samsung Galaxy S23 Ultra boasts impressive performance, offering lightning-fast speeds and seamless multitasking with ease.
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
Samsung Galaxy S23 Ultra
3.36 GHz
Oppo K12 Plus
2.63 GHz

RAM

Tie
Samsung Galaxy S23 Ultra
8GB
Oppo K12 Plus
8GB

Storage

Tie
Samsung Galaxy S23 Ultra
256GB
Oppo K12 Plus
256GB

Weight

Winner
Samsung Galaxy S23 Ultra
233g
Oppo K12 Plus
186g
Rank
Samsung Galaxy S23 Ultra
Winner
#21
Oppo K12 Plus
#394
Scores by Category
Rankings
Connectivity
Samsung Galaxy S23 Ultra
#210
Winner
Oppo K12 Plus
#545
Design
Samsung Galaxy S23 Ultra
#83
Winner
Oppo K12 Plus
#733
Display
Samsung Galaxy S23 Ultra
#288
Oppo K12 Plus
#228
Winner
Performance
Samsung Galaxy S23 Ultra
#96
Winner
Oppo K12 Plus
#289
Battery
Samsung Galaxy S23 Ultra
#86
Winner
Oppo K12 Plus
#181
Camera
Samsung Galaxy S23 Ultra
#8
Winner
Oppo K12 Plus
#654
item_phones_categoryId
Samsung Galaxy S23 Ultra
#1
Tie
Oppo K12 Plus
#1
Tie

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

Specifications Comparison
Specification
Samsung Samsung Galaxy S23 Ultra
Oppo Oppo K12 Plus
Model
Qualcomm Snapdragon 8 Gen2 ( 3,36 GHz)
Qualcomm Snapdragon 7 Gen 3 (SM7550-AB)
CPU
1x3.36GHz Cortex, X3 + 4x2.8 GHz Cortex, A715 + 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
3.36
2.63
64 Bits
Yes
Yes
GPU
Qualcomm Adreno 740
Qualcomm Adreno 720
RAM
8
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
Yes
Yes
Gyroscope sensor
Yes
Yes
Barometer sensor
Yes
N/A
Gravity sensor
Yes
Yes
Hall sensor
Yes
N/A
Geomagnetic sensor
Yes
N/A
Audio
Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones
Hi-Res Audio, Noise cancellation microphone, Stereo Speakers, 2 microphones
Antutu Score
1521862
866863
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 94% of devices
Overall performance better than 85% of devices
Cooling system
No
Yes
Gaming buttons
No
No
Extras
N/A
N/A

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

Samsung Galaxy S23 Ultra

Strengths

The Galaxy S23 Ultra features a new Cutting-Edge main camera that's one of the best out there.
With its improved battery life, you can enjoy your device for longer periods without worrying about running out of juice.
The phone is powered by a more powerful chipset, ensuring seamless performance and smooth multitasking.
You get all the features that made last year's Ultra so good, including 8K video capture at 30fps and electronic stabilization on all cameras.
The Galaxy S23 Ultra has a new 12 megapixel selfie cam with autofocus, which is great for self-portraits.
The device supports 4K videos from the main camera, which look sharp and detailed with good dynamic range and colors.
The phone also features auto night shot processing, which preserves details in low-light conditions.

Weaknesses

None of these upgrades are exactly game-changing, making it hard to see people upgrading from last year's model.
The dedicated night mode on the telephoto camera can sometimes produce artificial-looking results.
Low-light performance with the 10 times telephoto camera is a bit less reliable and produces noisy images.
Nighttime videos from the ultrawide cam are decent but lack sharpness and detail compared to other cameras.
Some users might find it expensive compared to last year's model, despite its improved features.

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

Samsung Galaxy S23 Ultra

The Samsung Galaxy S23 Ultra is an impressive smartphone that builds upon last year's model with improved features and capabilities. The device boasts a powerful chipset, which provides a seamless user experience and enhances overall performance. The battery life has also seen an improvement, making it suitable for heavy users. One of the standout features of the S23 Ultra is its new, cutting-edge main camera. With advanced technology and a high-resolution sensor, this camera delivers some of the best image quality in the market. Whether you're taking photos or videos, the results are consistently impressive, with excellent detail, minimal noise, and well-preserved colors. The camera system as a whole offers a wide range of capabilities, including 8K video capture at 30fps, which is a notable upgrade over last year's model. The device also features electronic image stabilization across all cameras, ensuring smooth footage even in low-light conditions. While the S23 Ultra doesn't necessarily bring any groundbreaking new features to the table, it does refine and improve upon existing ones, making it an excellent choice for those who want the best smartphone experience available today. Overall, the Galaxy S23 Ultra is a top-notch device that offers exceptional performance, camera capabilities, and battery life, making it a solid recommendation for anyone in the market for a new smartphone.

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 Samsung Galaxy S23 Ultra ReviewRead Oppo K12 Plus Review

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