Xiaomi 13 Ultra vs Xiaomi Redmi Note 12S - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date April 21, 2023 April 26, 2023
Release Year 2023 2023

Physical

Volume 110.79 cm³ 95.71 cm³
Screen Size to Weight Ratio 2.96 "/g 3.65 "/g
Weight 227 g 176 g
Height 163.2 mm 159.9 mm
Width 74.6 mm 73.9 mm
Thickness 9.1 mm 8.1 mm
Foldable Design No No
Available Colors
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green
  • Ice Blue
  • Onyx Black
  • Pearl Green

Display

Screen Size 6.73 " 6.43 "
Resolution 1440 x 3200 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.8 % 84.5 %
Pixel Density 522 PPI 409 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness 1300 nits 700 nits
Peak Brightness 2600 nits 1000 nits

Hardware

Battery Capacity per Screen Area 110.39 mAh/in² 120.93 mAh/in²
Battery Density 45.13 mAh/cm³ 52.24 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) Mediatek MT6781 Helio G96 (12 nm)
CPU Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 740 Mali-G57 MC2

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG, DisplayPort USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 13 13
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

FeatureXiaomi 13 UltraXiaomi Redmi Note 12SPractical Impact
Design
Dimensions (mm)163.2 x 74.6 x 9.1159.9 x 73.9 x 8.113 Ultra slightly larger and thicker. Noticeable in hand, may impact pocketability.
Weight (g)22717613 Ultra significantly heavier. Can cause fatigue during extended use.
BuildUnspecifiedUnspecifiedBuild quality and materials impact durability and premium feel. Lack of information limits comparison.
Display
Display Size (inches)6.736.4313 Ultra offers a larger screen for more immersive content consumption.
Resolution1440 x 32001080 x 240013 Ultra's higher resolution provides significantly sharper text and images. Noticeable difference in clarity.
Display TypeLTPO AMOLEDAMOLEDBoth offer vibrant colors and deep blacks. 13 Ultra's LTPO allows for dynamic refresh rate adjustment, saving battery.
Refresh Rate (Hz)1209013 Ultra's 120Hz provides smoother animations and scrolling.
Peak Brightness (nits)2600100013 Ultra's much higher peak brightness ensures better visibility in direct sunlight.
Performance
ChipsetSnapdragon 8 Gen 2Helio G9613 Ultra's flagship Snapdragon vastly outperforms the mid-range Helio G96. Impacts speed, multitasking, and gaming significantly.
CPUOcta-core (up to 3.2 GHz)Octa-core (up to 2.05 GHz)13 Ultra's more powerful CPU cores offer significantly faster processing speeds.
GPUAdreno 740Mali-G57 MC213 Ultra's GPU provides a substantial advantage in gaming and graphics-intensive tasks. Smoother gameplay and faster rendering.
RAM (GB)12/166/813 Ultra offers more RAM, enabling better multitasking and preventing app closures in the background.
Camera
Main Camera (MP)50108Both utilize pixel binning. 13 Ultra boasts a larger sensor (1") for superior low-light performance and dynamic range.
Other CamerasLeica-tuned quad camera system with variable aperture and telephoto lenses.Triple camera with wide and macro lenses.13 Ultra offers far more versatile photography options with superior image quality, especially in challenging conditions.
Video RecordingUp to 8K@24fpsUp to 1080p@30fps13 Ultra provides significantly higher resolution video recording capabilities.
Battery
Capacity (mAh)50005000Similar battery capacities. Real-world battery life will depend on usage and optimization. 13 Ultra's LTPO display may offer better efficiency.
ChargingUnspecifiedUnspecifiedCharging speeds impact convenience. Lack of specific information limits this comparison.

2. Key Differences Analysis

Xiaomi 13 Ultra Advantages:

  • Superior Performance: The Snapdragon 8 Gen 2 significantly outperforms the Helio G96, resulting in a much faster and smoother user experience.
  • Flagship Camera System: Leica-tuned lenses, a large 1-inch sensor, and variable aperture provide exceptional image quality and versatility.
  • Stunning Display: Higher resolution, LTPO technology, and superior brightness deliver a more immersive and visually appealing experience.

Xiaomi Redmi Note 12S Advantages:

  • Lower Price: Significantly more affordable, catering to budget-conscious consumers.
  • Lighter and More Compact: Easier to handle and carry for extended periods.

3. User Profiles & Recommendations

Xiaomi 13 Ultra: Ideal for power users, photographers, videographers, and mobile gamers who demand top-tier performance and camera capabilities. Excellent for content creation and consumption.

Xiaomi Redmi Note 12S: Suitable for casual users who prioritize affordability and basic functionality. Good for everyday tasks like browsing, social media, and communication.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The 13 Ultra is a premium flagship device, while the Redmi Note 12S is a budget-friendly option.
  2. What are your primary smartphone usage patterns? Consider whether you need top-tier performance for demanding tasks or if basic functionality is sufficient.
  3. How important is camera quality to you? The 13 Ultra excels in photography and videography, while the Redmi Note 12S offers basic camera capabilities.

Scenario-Based Recommendations:

  • For a professional photographer: The Xiaomi 13 Ultra is the clear choice.
  • For a casual user on a tight budget: The Redmi Note 12S offers excellent value.
  • For a gamer seeking high performance: The 13 Ultra's powerful hardware delivers a superior gaming experience.

My Choice: Xiaomi 13 Ultra

While significantly more expensive, the Xiaomi 13 Ultra is the superior device in almost every aspect. The performance difference between the Snapdragon 8 Gen 2 and the Helio G96 is substantial, impacting daily usage significantly. The 13 Ultra's camera system is in a different league, offering professional-grade capabilities. The superior display further enhances the user experience. While the Redmi Note 12S offers good value for its price, the 13 Ultra's significant advantages justify the higher cost for users who demand the best possible smartphone experience. I prioritize performance, camera quality, and a premium user experience, making the 13 Ultra the clear winner for me. The weight is a concern, but the advantages outweigh this drawback in my personal use case.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

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Bridging technical complexity with engaging, accessible narratives.