Xiaomi Redmi K50vsXiaomi 12S Ultra

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

Xiaomi
Xiaomi Redmi K50
Redmi K50
Processor:MediaTek Dimensity 8100 Max
RAM:8GB
Storage:128GB

Quick Stats

The Xiaomi Redmi K50's battery life is disappointing, lasting around 4-5 hours with heavy use, a major letdown.
The Xiaomi Redmi K50's high-quality AMOLED display is its standout feature, offering a smooth viewing experience with vibrant colors.
The Xiaomi Redmi K50's camera is a major letdown due to poor low-light performance and unnatural results.
The Xiaomi Redmi K50 delivers mixed results, with decent performance for gaming and multitasking being its strongest aspect.
Xiaomi
Xiaomi 12S Ultra
12S Ultra
Processor:Qualcomm Snapdragon 8+ Gen1
RAM:8GB
Storage:256GB

Quick Stats

Both phones barely scraped together six hours of screen time, with results surprisingly close overall.
The standout feature of the Xiaomi 12S Ultra is its impressive display with vibrant visuals and smooth motion capabilities.
The Xiaomi 12S Ultra's camera excels in low-light conditions and creative features, but lacks overall quality consistency.
The Xiaomi 12S Ultra's performance is a mixed bag, but ultimately edges out its competitor.
Key Differences

Processor Speed

Winner
Xiaomi Redmi K50
2.85 GHz
Xiaomi 12S Ultra
3.20 GHz

RAM

Tie
Xiaomi Redmi K50
8GB
Xiaomi 12S Ultra
8GB

Storage

Winner
Xiaomi Redmi K50
128GB
Xiaomi 12S Ultra
256GB

Weight

Winner
Xiaomi Redmi K50
201g
Xiaomi 12S Ultra
225g
Rank
Xiaomi Redmi K50
#315
Xiaomi 12S Ultra
Winner
#73
Scores by Category
Rankings
Connectivity
Xiaomi Redmi K50
#277
Xiaomi 12S Ultra
#273
Winner
Design
Xiaomi Redmi K50
#709
Xiaomi 12S Ultra
#140
Winner
Display
Xiaomi Redmi K50
#89
Xiaomi 12S Ultra
#12
Winner
Performance
Xiaomi Redmi K50
#306
Xiaomi 12S Ultra
#136
Winner
Battery
Xiaomi Redmi K50
#147
Winner
Xiaomi 12S Ultra
#370
Camera
Xiaomi Redmi K50
#519
Xiaomi 12S Ultra
#154
Winner
item_phones_categoryId
Xiaomi Redmi K50
#1
Tie
Xiaomi 12S Ultra
#1
Tie

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

Specifications Comparison
Specification
Xiaomi Xiaomi Redmi K50
Xiaomi Xiaomi 12S Ultra
Model
MediaTek Dimensity 8100 Max
Qualcomm Snapdragon 8+ Gen1
CPU
4x Cortex, A78 2.85 GHz + 4x Cortex, A55 2.0 GHz
1x3.2 GHz Cortex, X2 +3x2.8 GHz Cortex, A710 + 4x2.0 GHz Cortex, A510
Type
Octa-Core
Octa-Core
Nanometer
5
4
Frequency
2.85
3.20
64 Bits
Yes
Yes
GPU
Mali-G610 MC6
Qualcomm Adreno 730 875 MHz
RAM
8
8
Type
RAM LPDDR5
RAM LPDDR5
Capacity
128
256
Type
UFS Storage 3.1
UFS Storage 3.1
SD slot
No
No
Fingerprint security
Yes, on the side
Yes, in screen
Fingerprint sensor
Yes
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
Yes
Yes
Gyroscope sensor
Yes
Yes
Barometer sensor
N/A
Yes
RGB sensor
Yes
Yes
Ultrasonic proximity virtual sensor
Yes
Yes
Audio
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
Antutu Score
824926
1288403
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 84% of devices
Overall performance better than 92% of devices
Cooling system
Yes
Yes
Gaming buttons
No
No
Extras
Super large VC liquid-cooled heat dissipation 3950 mm2
3160mm² Leaf pulse cooling pump cooling system

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

Xiaomi Redmi K50

Strengths

The display is great, with high refresh rate gaming performance, even if Asphalt 9 hasn't adapted to it.
Battery life for gaming and everyday use is good, with up to 8 hours of screen time.
The camera takes phenomenal daytime photos with high dynamic range and detail.
The phone has great speakers that are perfect for music and gaming.

Weaknesses

No specific cons listed for this device

Xiaomi 12S Ultra

Strengths

No specific pros listed for this device

Weaknesses

No specific cons listed for this device

Read Full Reviews

Xiaomi Redmi K50

I recently had the opportunity to try out the Xiaomi Redmi K50, and unfortunately, my experience was underwhelming. Despite its impressive specs on paper, this phone failed to deliver in several key areas. The camera performance was abysmal, especially in low-light conditions. The sensor size is decent, but it seems that the software is not optimized to extract the best from it. Daytime photos are okay, but nowhere near as good as what I've seen on other phones with similar cameras. The gaming experience was actually quite enjoyable, thanks to the phone's powerful processor and snappy performance. However, only a few games, like Asphalt 9, have adapted to take full advantage of the phone's high refresh rate capabilities. Battery life is decent for general use, but drops significantly when gaming or using resource-intensive apps. The display is nice, and the speakers are quite good, making it enjoyable to watch videos or listen to music on this phone. My biggest disappointment lies in the camera performance, which I believe is a software issue rather than a hardware one. For a phone priced around $500-$600, there are better options available that offer superior camera capabilities. If you're a gamer and don't mind a mediocre camera experience, then the Redmi K50 might be worth considering. However, if you prioritize taking good photos or have high expectations for your camera, I would suggest looking elsewhere. There are simply better phones on the market that offer more value for the price.

Xiaomi 12S Ultra

The Xiaomi 12S Ultra is a dual-camera powerhouse that boasts impressive specs, but its performance is uneven. The phone's main camera, backed by Leica's color science, delivers stunning results with rich and cinematic shots. However, the ultrawide camera struggles to produce accurate colors, particularly when switching between modes. In contrast, the Samsung Galaxy S series, although not as strong in the main camera department, excels with its ultrawide and zoom cameras. The overall color science of the Samsung phone is also more pleasing, especially when capturing skin tones. Battery life is another area where both phones shine. Despite having a slightly lower battery capacity, Xiaomi's 12S Ultra manages to keep up with Samsung's power-hungry device, thanks to its more efficient chip. Wireless charging speeds are also significantly faster on the Xiaomi phone, making it a clear winner in this department. Charging times and software features further sway the balance towards Xiaomi. The company's battery management software is intuitive and helpful, while its charging capabilities outpace those of Samsung. Ultimately, the Xiaomi 12S Ultra is a capable camera phone that edges ahead in some areas but lags behind in others. If you prioritize photography, this phone may be worth considering, but if other features like battery life, charging speed, or software are more important to you, Samsung's offerings might still take the cake. Both phones have their strengths and weaknesses. While Xiaomi takes the lead in some areas, Samsung excels in others. The decision ultimately comes down to your personal priorities.

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