Samsung Galaxy S23 Ultra vs Xiaomi Redmi Note 12S - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date February 17, 2023 April 26, 2023
Release Year 2023 2023

Physical

Volume 113.58 cm³ 95.71 cm³
Screen Size to Weight Ratio 2.91 "/g 3.65 "/g
Weight 234 g 176 g
Height 163.4 mm 159.9 mm
Width 78.1 mm 73.9 mm
Thickness 8.9 mm 8.1 mm
Foldable Design No No
Available Colors
  • Red
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Sky Blue
  • Lime
  • BMW M Edition
  • Ice Blue
  • Onyx Black
  • Pearl Green

Display

Screen Size 6.8 " 6.43 "
Resolution 1440 x 3088 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 89.5 % 84.5 %
Pixel Density 500 PPI 409 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness 1200 nits 700 nits
Peak Brightness 1750 nits 1000 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 120.93 mAh/in²
Battery Density 44.02 mAh/cm³ 52.24 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Mediatek MT6781 Helio G96 (12 nm)
CPU Octa-core (1x3.36 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
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 13 13
Maximum OS Version 17

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S23 UltraXiaomi Redmi Note 12SPractical Impact
Design
Dimensions (mm)163.4 x 78.1 x 8.9159.9 x 73.9 x 8.1S23 Ultra slightly larger, may feel less comfortable in some hands.
Weight (g)234176S23 Ultra significantly heavier, noticeable in prolonged use. Redmi Note 12S more pocketable.
BuildMissingMissingBuild quality and materials can significantly impact durability and feel, but information is lacking.
Display
Display Size (inches)6.86.43S23 Ultra offers a larger screen for more immersive media consumption.
Resolution (px)1440 x 30881080 x 2400S23 Ultra has a much sharper display, noticeable in text clarity and image detail.
Display TypeDynamic AMOLED 2XAMOLEDBoth offer vibrant colors and deep blacks, but S23 Ultra's Dynamic AMOLED 2X likely provides better HDR performance and higher peak brightness.
Refresh Rate (Hz)12090S23 Ultra offers smoother scrolling and animations, enhancing the overall feel.
Performance
ChipsetSnapdragon 8 Gen 2 (4 nm)Helio G96 (12 nm)S23 Ultra boasts significantly faster CPU and GPU, leading to much better performance in demanding tasks and gaming.
CPUOcta-core (1x3.36 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)S23 Ultra's more modern and powerful CPU architecture translates to superior multi-tasking and responsiveness.
RAM (GB)8/126/8S23 Ultra offers more RAM in higher-end configurations, improving multi-tasking and app switching performance.
Camera
Main Camera (MP)200108S23 Ultra's higher resolution main camera potentially offers more detail, especially in good lighting conditions. Practical difference depends on processing.
Zoom3x & 10x Optical, 100x DigitalDigital Zoom Only (amount unspecified)S23 Ultra offers superior zoom capabilities with dedicated telephoto lenses, allowing for clearer zoomed-in shots.
Video RecordingUp to 8K@30fpsUp to 1080p@30fpsS23 Ultra allows for much higher resolution video recording.
Battery
Capacity (mAh)50005000Similar battery capacities, but real-world battery life depends on optimization and usage.
Fast Charging (W)4533S23 Ultra charges significantly faster.

2. Key Differences Analysis

Samsung Galaxy S23 Ultra Advantages:

  • Superior Performance: The Snapdragon 8 Gen 2 significantly outperforms the Helio G96, resulting in a smoother, faster experience for demanding tasks and gaming.
  • Better Display: Higher resolution, refresh rate, and likely better HDR performance lead to a more immersive visual experience.
  • Advanced Camera System: Higher resolution sensor, dedicated telephoto lenses, and 8K video recording offer greater versatility and quality.
  • Faster Charging: Significantly reduces downtime.

Xiaomi Redmi Note 12S Advantages:

  • Lighter and More Compact: Noticeably easier to handle and carry.
  • Lower Price: Offers a more budget-friendly option.

Trade-offs:

  • Performance vs. Price: The Redmi Note 12S sacrifices performance for affordability.
  • Features vs. Simplicity: The S23 Ultra offers a more feature-rich experience, but this comes with added complexity and potentially a steeper learning curve.

3. User Profiles & Recommendations

Samsung Galaxy S23 Ultra: Users who prioritize performance, a premium display, advanced camera features, and don't mind the larger size and higher price. Ideal for power users, gamers, content creators, and photography enthusiasts.

Xiaomi Redmi Note 12S: Users seeking a budget-friendly option for everyday tasks, social media, and light gaming. Ideal for users who prioritize affordability and portability over top-tier performance and features.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The S23 Ultra is significantly more expensive.
  2. What are your primary use cases? Demanding tasks and content creation benefit from the S23 Ultra's power, while basic tasks can be handled by the Redmi Note 12S.
  3. Do you prioritize portability? The Redmi Note 12S is lighter and more compact.

Scenario-Based Recommendations:

  • Limited Budget: Redmi Note 12S
  • Power User: S23 Ultra
  • Photographer/Videographer: S23 Ultra
  • Casual User: Redmi Note 12S (if budget is a concern)

My Choice: Samsung Galaxy S23 Ultra

While the Redmi Note 12S offers excellent value for its price, the Samsung Galaxy S23 Ultra is the clear winner for me. I prioritize a smooth and responsive user experience, which the Snapdragon 8 Gen 2 delivers. The superior display and camera system are also significant factors, as I enjoy mobile photography and consuming multimedia content. The added weight is a minor trade-off for the substantial performance and feature upgrades. The higher price is justified by the long-term value provided by the S23 Ultra's powerful hardware, ensuring a future-proof device capable of handling demanding tasks and software updates for years to come.

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.

Key Strengths:

  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.