Samsung Galaxy S23 vs Xiaomi Redmi A3x - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date February 17, 2023 May 24, 2024
Release Year 2023 2024

Physical

Volume 78.83 cm³ 106.65 cm³
Screen Size to Weight Ratio 3.63 "/g 3.48 "/g
Weight 168 g 193 g
Height 146.3 mm 168.4 mm
Width 70.9 mm 76.3 mm
Thickness 7.6 mm 8.3 mm
Foldable Design No No
Available Colors
  • Green
  • Graphite
  • Phantom Black
  • Lavender
  • Cream
  • Lime
  • Midnight Black
  • Olive Green
  • Moonlight White (Starry White)
  • Aurora Green (Ocean Green)

Display

Screen Size 6.1 " 6.71 "
Resolution 1080 x 2340 720 x 1650
Aspect Ratio 19.5:9 21:9
Screen-to-Body Ratio 88.1 % 82.9 %
Pixel Density 425 PPI 268 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness 1200 nits N/A
Peak Brightness 1750 nits N/A

Hardware

Battery Capacity per Screen Area 104.81 mAh/in² 111.05 mAh/in²
Battery Density 49.47 mAh/cm³ 46.88 mAh/cm³
Battery Capacity 3900 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) Unisoc T603 (22 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 1.8 GHz
GPU Adreno 740 8

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 17 16

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S23Xiaomi Redmi A3xPractical Impact
Design
Dimensions (mm)146.3 x 70.9 x 7.6168.4 x 76.3 x 8.3S23 is significantly more compact and pocketable. A3x is larger and may be less comfortable for one-handed use.
Weight (g)168193S23 is noticeably lighter, reducing hand fatigue during extended use.
BuildMissingMissingBuild quality and materials impact durability and premium feel. This information is missing for both phones.
Display
Display TypeDynamic AMOLED 2XIPS LCDS23 offers superior contrast, deeper blacks, and more vibrant colors due to AMOLED technology. A3x's LCD may appear washed out in comparison.
Display Size (inches)6.16.71A3x provides a larger screen for media consumption and multitasking, but may be less suitable for one-handed operation.
Resolution1080 x 2340720 x 1650S23 boasts significantly sharper visuals due to higher pixel density (425 ppi vs 268 ppi). Text and images will appear crisper on the S23.
Refresh Rate (Hz)12090S23 offers smoother scrolling and animations thanks to the higher refresh rate. While 90Hz is still smooth, the S23 will feel more fluid.
Performance
ChipsetSnapdragon 8 Gen 2 (4 nm)Unisoc T603 (22 nm)S23's flagship Snapdragon chip vastly outperforms the A3x's budget Unisoc processor. Expect significantly faster performance, smoother multitasking, and better gaming on the S23.
CPUOcta-core (up to 3.36 GHz)Octa-core (1.8 GHz)S23's more powerful CPU cores and higher clock speeds translate to significantly faster app loading, smoother operation, and better responsiveness.
RAM (GB)84More RAM on the S23 allows for more apps to run in the background without performance degradation.
Camera
Rear Camera50MP (Main) + 12.2MP (Ultrawide) + 10MP (Telephoto)8MP (Main) + 0.1MP (Unknown)S23 features a more versatile and higher resolution camera system, capable of capturing significantly better photos and videos in various conditions, including zoom capabilities. The secondary 0.1MP camera on the A3x has unclear functionality and likely minimal practical use.
Video RecordingUp to 8K@30fpsUp to 1080p@30fpsS23 allows for much higher resolution video recording.
Battery
Capacity (mAh)39005000A3x offers a larger battery capacity, potentially resulting in longer battery life. However, S23's more efficient processor may offset this difference.
Fast Charging25W10WS23 charges significantly faster.

2. Key Differences Analysis

Samsung Galaxy S23 Advantages:

  • Significantly higher performance: Superior in all aspects of performance due to a flagship processor, more RAM, and faster GPU.
  • Superior display: Brighter, sharper, and smoother display with vibrant colors and deeper blacks.
  • More versatile and capable camera system: Higher resolution sensors, optical zoom, and advanced features.
  • More compact and premium design: Easier to handle and likely made with higher quality materials (though material specifics are missing).
  • Faster Charging: Significantly reduces downtime.

Xiaomi Redmi A3x Advantages:

  • Larger battery: Potentially longer battery life, but real-world usage will depend on various factors.
  • Lower price: Significantly more affordable.
  • Larger screen: More immersive experience for media consumption.

3. User Profiles & Recommendations

Samsung Galaxy S23: Users who prioritize performance, a premium experience, a great camera, and a compact design. Ideal for demanding tasks like gaming, content creation, and multitasking.

Xiaomi Redmi A3x: Budget-conscious users who prioritize basic functionality, long battery life, and a large screen for media consumption. Suitable for light usage such as calling, texting, browsing, and watching videos. Not recommended for demanding tasks or photography enthusiasts.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The S23 is significantly more expensive.
  2. What are your primary use cases? Gaming, photography, and demanding tasks favor the S23. Basic communication and media consumption might suffice with the A3x.
  3. Do you prioritize performance and premium features or battery life and affordability?

My Choice: Samsung Galaxy S23

While the Xiaomi Redmi A3x offers a larger battery and a lower price, the Samsung Galaxy S23's vastly superior performance, display, camera, and overall user experience make it the clear winner for me. I prioritize a smooth and responsive phone with a great camera and a compact form factor. The price difference is justified by the significant leap in quality and capabilities. The S23 offers a flagship experience that the A3x simply cannot match. Even if battery life is a slight concern, the faster charging of the S23 mitigates this to a large extent.

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.