Samsung Galaxy S23 UltravsOppo K12

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
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
Samsung Galaxy S23 Ultra
3.36 GHz
Oppo K12
2.63 GHz

RAM

Tie
Samsung Galaxy S23 Ultra
8GB
Oppo K12
8GB

Storage

Tie
Samsung Galaxy S23 Ultra
256GB
Oppo K12
256GB

Weight

Winner
Samsung Galaxy S23 Ultra
233g
Oppo K12
186g
Rank
Samsung Galaxy S23 Ultra
Winner
#21
Oppo K12
#396
Scores by Category
Rankings
Connectivity
Samsung Galaxy S23 Ultra
#210
Winner
Oppo K12
#548
Design
Samsung Galaxy S23 Ultra
#83
Winner
Oppo K12
#734
Display
Samsung Galaxy S23 Ultra
#288
Oppo K12
#230
Winner
Performance
Samsung Galaxy S23 Ultra
#96
Winner
Oppo K12
#290
Battery
Samsung Galaxy S23 Ultra
#86
Winner
Oppo K12
#184
Camera
Samsung Galaxy S23 Ultra
#8
Winner
Oppo K12
#655
item_phones_categoryId
Samsung Galaxy S23 Ultra
#1
Tie
Oppo K12
#1
Tie

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

Specifications Comparison
Specification
Samsung Samsung Galaxy S23 Ultra
Oppo Oppo K12
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

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

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

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 Samsung Galaxy S23 Ultra ReviewRead Oppo K12 Review

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