Xiaomi Redmi 12 5G vs Samsung Galaxy A55 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 4, 2023 March 15, 2024
Release Year 2023 2024

Physical

Volume 105.49 cm³ 102.25 cm³
Screen Size to Weight Ratio 3.41 "/g 3.1 "/g
Weight 199 g 213 g
Height 168.6 mm 161.1 mm
Width 76.3 mm 77.4 mm
Thickness 8.2 mm 8.2 mm
Foldable Design No No
Available Colors
  • Moonstone Silver
  • Jade Black
  • Pastel Blue
  • Navy
  • Iceblue
  • Lilac
  • Lemon

Display

Screen Size 6.79 " 6.6 "
Resolution 1080 x 2460 1080 x 2340
Aspect Ratio 21:9 19.5:9
Screen-to-Body Ratio 85.1 % 85.8 %
Pixel Density 396 PPI 390 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 550 nits N/A
HBM Brightness N/A 1000 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 108.45 mAh/in² 114.78 mAh/in²
Battery Density 47.4 mAh/cm³ 48.9 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) Exynos 1480 (4 nm)
CPU Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 613 Xclipse 530

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 14 18

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Redmi 12 5GSamsung Galaxy A55Practical Impact
Design
Dimensions168.6 x 76.3 x 8.2 mm161.1 x 77.4 x 8.2 mmThe A55 is slightly shorter and narrower.
Weight199g213gThe Redmi 12 is noticeably lighter.
Build MaterialsNot specifiedNot specifiedCannot compare build quality.
Display
Display TypeIPS LCD, 90HzSuper AMOLED, 120HzA55 offers richer colors, deeper blacks, and smoother scrolling due to AMOLED and higher refresh rate.
Size6.79"6.6"Redmi 12 has a slightly larger screen.
Resolution1080 x 24601080 x 2340Negligible difference in sharpness.
Brightness550 nits1000 nits (HBM)A55 will be significantly more visible in bright sunlight.
Performance
ChipsetSnapdragon 4 Gen 2 (4nm)Exynos 1480 (4nm)Both are 4nm chips, but Exynos 1480 likely offers better performance based on core configuration.
CPUOcta-core (2x2.2 GHz A78 & 6x1.95 GHz A55)Octa-core (4x2.75 GHz A78 & 4x2.0 GHz A55)A55 has faster and more performance cores, resulting in smoother multitasking and faster app loading.
GPUAdreno 613Xclipse 530A55 likely has a more powerful GPU, leading to better gaming performance.
RAM/Storage128GB/6GB256GB/8GB or 256GB/12GBA55 offers more storage and RAM options for better multitasking and more storage space.
Camera
Video Capabilities1080p@30fps4K@30fps, 1080p@30/60fps (EIS)A55 offers significantly better video recording capabilities with 4K resolution and Electronic Image Stabilization (EIS). No detailed camera specs to compare image quality.
Battery
Capacity5000 mAh5000 mAhSimilar battery capacity. Real-world battery life will depend on software optimization and usage.
Other
OSAndroid 13Android 14A55 ships with a newer Android version and will receive longer updates.
NFCNoYesA55 supports contactless payments and data transfer.
USBUSB Type-CUSB Type-C 2.0, OTGA55 supports On-The-Go for connecting peripherals like flash drives. Type-C version differences have minimal practical impact for most users.

2. Key Differences Analysis

Xiaomi Redmi 12 5G Advantages:

  • Lighter weight
  • Slightly larger screen

Samsung Galaxy A55 Advantages:

  • Significantly better display: AMOLED with 120Hz refresh rate and higher brightness
  • More powerful performance: Faster CPU and likely more powerful GPU.
  • More RAM and storage: Better for multitasking and storing files.
  • Superior video recording: 4K resolution and EIS.
  • Newer software with longer update support: Android 14 with longer OS upgrade commitment.
  • NFC for contactless payments: A crucial feature for many users.

3. User Profiles & Recommendations

Redmi 12 5G: Budget-conscious users who prioritize a large screen and lightweight design over other features. Best for basic tasks like browsing, social media, and casual gaming.

Samsung Galaxy A55: Users who value a premium display, smooth performance, future-proof software, expandable storage, mobile payments, and good video recording capabilities. Suitable for demanding tasks, gaming, and content consumption.

4. Decision Framework

Key Questions:

  1. What is your budget? The Redmi 12 5G is likely more affordable.
  2. What are your primary smartphone uses? Basic tasks vs. demanding applications and gaming.
  3. Which features are most important to you? Display quality, performance, camera, software updates, NFC.

My Choice: Samsung Galaxy A55

While lacking specific camera details for full comparison, the Samsung Galaxy A55 is the clear winner for me. The superior AMOLED display with 120Hz, the more powerful processor, the inclusion of NFC, and the longer software support outweigh the slightly higher weight and the potential price difference. The A55 offers a more future-proof and enjoyable overall user experience. The Redmi 12 5G's advantages are minimal in comparison. The A55's better performance, significantly better display, and longer software support make it a much more compelling device for the long term.

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.