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Lab Benchmark Battle

Redmi K50i vs Mi 12S Ultra

Direct side-by-side battle analyzing display brightness, chipset benchmark percentiles, multi-camera arrays, battery capacity, and charging speeds.

Smartphone Battle
Comparing 2 devicesSwipe across ⇄
Redmi K50i
Xiaomi · 2022

Redmi K50i

Price on request
83.8/ 100
Overall
Exceptional
BeastScore
83.8
Benchmark
Performance80/100
Camera84/100
Battery88/100
Mi 12S Ultra
Xiaomi · 2022

Mi 12S Ultra

Price on request
83.9/ 100
Overall
Exceptional
BeastScore
83.9
Benchmark
Performance90/100
Camera84/100
Battery82/100

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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Reasons to buy Redmi K50i:
  • ✓25g lighter chassis (200g) optimized for one-handed ergonomics
  • ✓Larger 5,080 mAh battery capacity (+220 mAh more capacity)
  • ✓64.4MP primary camera sensor with 4K/120fps video recording
Reasons to buy Mi 12S Ultra:
  • ✓50.3MP primary camera sensor with 4K/120fps video recording
  • ✓6.73" display with 120Hz ProMotion refresh rate

How Do the Specifications Compare Side-by-Side?

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SpecificationRedmi K50iMi 12S Ultra
1. Display & Screen
Screen Type & TechIPS TFT LCDAM-OLED
Screen Size6.57"6.73"
Resolution & Density1080x2460 (409 ppi)1440x3200 (521 ppi)
Refresh Rate144 Hz ProMotion120 Hz ProMotion
BrightnessN/AN/A
Screen ProtectionScratch-resistant glassScratch-resistant glass
2. Platform & Performance
Chipset / ProcessorHigh performance SoC High performance SoC
CPU CoresMulti-core high performanceMulti-core high performance
GPU GraphicsIntegrated GraphicsIntegrated Graphics
Operating SystemAndroid 12Android 12
3. Memory & Storage
RAM Memory8 GB12 GB
Internal Storage128GB / 256GB256GB / 512GB
Storage SpeedHigh-speed flashHigh-speed flash
Card SlotNoNo
4. Main Camera Optics
Primary Camera64.4 MP50.3 MP
Telephoto ZoomNone (Digital zoom only)None (Digital zoom only)
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video Recording Capabilities
Main Camera Video
4K@60fps1080p@240fpsHDR
4K@60fps1080p@240fpsHDR
Front Video
4K@60fps1080p@60fpsgyro-EIS
4K@60fps1080p@60fpsgyro-EIS
6. Selfie Camera
Selfie Lens15.9 MP32 MP
7. Body & Dimensions
Dimensions163.64 x 74.29 x 8.87 mm163.17 x 74.97 x 9.06 mm
Weight200 g225 g
Build MaterialsGlass front, metal/glass frameGlass front, metal/glass frame
SIM TypeNano-SIM / eSIM supportNano-SIM / eSIM support
Water ResistanceNot certifiedNot certified
8. Battery & Charging
Battery Capacity5,080 mAh4,860 mAh
Wired Fast Charging67W wired fast charging120W wired fast charging
Wireless ChargingNot supportedNot supported
Reverse ChargingReverse wireless chargingReverse wireless charging
9. Sound & Audio
LoudspeakerStereo speakersStereo speakers
3.5mm Headphone JackNoNo
10. Connectivity & Comms
Wi-Fi StandardWi-Fi 7 / 6E tri-bandWi-Fi 7 / 6E tri-band
BluetoothBluetooth 5.3Bluetooth 5.2
USB Port & SpeedUSB C reversibleUSB C reversible
NFCYesYes
11. Sensors & Security
SensorsBiometric fingerprint/face, accelerometer, gyro, compassBiometric fingerprint/face, accelerometer, gyro, compass
Satellite FeaturesEmergency SOS via satellite (select markets)Emergency SOS via satellite (select markets)
12. Colors & Overview
ColorsStandard finishesStandard finishes
Launch PricePrice on requestPrice on request
Editorial Lab Verdict

Mi 12S Ultra edges ahead with a BeastScore of 83.9/100

After comprehensive hardware benchmark comparisons, Mi 12S Ultra ranks as the overall top pick in this matchup. Key differentiators include its advanced processor architecture and verified 84/100 camera rating.

When to buy Redmi K50i:
Larger battery capacity: 5,080 mAh (+220 mAh more) · Higher resolution main sensor: 64.4 MP vs max 50.3 MP
When to buy Mi 12S Ultra:
Higher overall BeastScore: 83.9 vs top rival 83.8 · Significantly faster wired charging: 120W vs max 67W
Quick Answers

Frequently Asked Questions: Redmi K50i vs Mi 12S Ultra

Which phone is better: Redmi K50i or Mi 12S Ultra?

Mi 12S Ultra leads with an overall BeastScore of 83.9/100 compared to Redmi K50i (83.8/100), driven by advantages in Higher overall BeastScore: 83.9 vs top rival 83.8 and Significantly faster wired charging: 120W vs max 67W.

What are the primary battery and display differences between Redmi K50i and Mi 12S Ultra?

Redmi K50i is equipped with a 6.57-inch display and 5080 mAh battery, while Mi 12S Ultra features a 6.73-inch display and 4860 mAh battery.

How do the camera capabilities compare between Redmi K50i and Mi 12S Ultra?

In lab hardware evaluations, Redmi K50i scores 84/100 in camera performance, while Mi 12S Ultra scores 84/100.

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