Xiaomi Redmi 12 5G vs Samsung Galaxy A15 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 4, 2023 December 16, 2023
Release Year 2023 2023

Physical

Volume 105.49 cm³ 103.28 cm³
Screen Size to Weight Ratio 3.41 "/g 3.25 "/g
Weight 199 g 200 g
Height 168.6 mm 160.1 mm
Width 76.3 mm 76.8 mm
Thickness 8.2 mm 8.4 mm
Foldable Design No No
Available Colors
  • Moonstone Silver
  • Jade Black
  • Pastel Blue
  • Brave Black
  • Optimistic Blue
  • Magical Blue
  • Personality Yellow

Display

Screen Size 6.79 " 6.5 "
Resolution 1080 x 2460 1080 x 2340
Aspect Ratio 21:9 19.5:9
Screen-to-Body Ratio 85.1 % 84.3 %
Pixel Density 396 PPI 396 PPI
Refresh Rate 90 Hz 90 Hz
Typical Brightness 550 nits N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 108.45 mAh/in² 118.34 mAh/in²
Battery Density 47.4 mAh/cm³ 48.41 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support No Yes
Chipset Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 613 Mali-G57 MC2

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

FeatureXiaomi Redmi 12 5GSamsung Galaxy A15Practical Impact
Design
Dimensions168.6 x 76.3 x 8.2 mm160.1 x 76.8 x 8.4 mmThe Galaxy A15 is slightly shorter and wider but thicker than the Redmi 12. Negligible difference in practical usage.
Weight199g200gVirtually identical weight, no noticeable difference in hand.
Build MaterialsNot specifiedNot specifiedCannot compare build quality and durability without more information.
Display
Display TypeIPS LCDSuper AMOLEDAMOLED generally offers more vibrant colors, deeper blacks, and better power efficiency.
Size6.79"6.5"Redmi 12 offers a larger screen for more immersive media consumption.
Resolution1080 x 24601080 x 2340Similar pixel density, both offer sharp visuals. Redmi 12 slightly taller aspect ratio.
Refresh Rate90Hz90HzBoth offer smooth scrolling and animations.
Brightness550 nits (typical)800 nits (HBM)The A15 will be significantly more visible in direct sunlight.
Performance
ChipsetSnapdragon 4 Gen 2 (4nm)Mediatek Helio G99 (6nm)Snapdragon 4 Gen 2 is generally considered more power efficient due to the smaller manufacturing process. Performance differences require further benchmarking analysis.
CPUOcta-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)While clock speeds are similar, architectural differences between A78 and A76 cores may result in performance variations. Real-world performance depends on optimization.
GPUAdreno 613Mali-G57 MC2GPU performance differences require further benchmarking analysis. Impacts gaming and graphically demanding tasks.
RAM/Storage128GB/6GB128GB/6GB, 128GB/8GB, 256GB/8GBA15 offers more RAM and storage configuration options for users needing more multitasking capability or storage space.
Battery
Capacity5000 mAh5000 mAhIdentical battery capacity suggests similar battery life, although real-world usage will vary depending on other factors.
Other
OSAndroid 13Android 14A15 launches with a newer Android version, potentially offering newer features and longer software support.
NFCNoYesA15 supports contactless payments and data transfer via NFC.
USBUSB Type-CUSB Type-C 2.0A15's USB 2.0 suggests faster data transfer speeds, though real-world differences might be minimal.

2. Key Differences Analysis

Xiaomi Redmi 12 5G Advantages:

  • Larger Display: More immersive experience for media consumption.
  • Potentially More Power Efficient: Due to 4nm chipset.

Samsung Galaxy A15 Advantages:

  • Brighter Display: Better outdoor visibility.
  • AMOLED Display: Richer colors and deeper blacks.
  • NFC: Supports contactless payments.
  • More RAM/Storage Options: Flexibility for power users.
  • Newer Android Version: Latest features and potentially longer software updates.

Trade-offs:

  • Redmi 12: Lacks NFC, potentially lower performance compared to A15.
  • A15: Smaller display, potentially less power efficient than Redmi 12.

3. User Profiles & Recommendations

Redmi 12 5G: Users prioritizing large screen size for media consumption on a budget, less concerned about NFC or having the absolute latest features.

Samsung Galaxy A15: Users prioritizing display quality, NFC functionality, and longer software updates. Suitable for those who use their phone for mobile payments and prefer vibrant visuals.

4. Decision Framework

Key Questions:

  1. Is NFC crucial for your daily usage (e.g., mobile payments)?
  2. Do you prioritize screen size and media consumption or display quality and brightness?
  3. How important is having the latest Android version and longer software support?

Scenario-Based Recommendations:

  • Budget-conscious user needing a large screen: Redmi 12 5G.
  • User prioritizing mobile payments and vibrant display: Samsung Galaxy A15.

My Choice: Samsung Galaxy A15

While the Redmi 12 5G offers a larger display, the Samsung Galaxy A15's AMOLED display, brighter screen, NFC functionality, and newer Android version with longer update support make it a more compelling overall package for me. The brighter screen is crucial for outdoor use, and NFC is essential for mobile payments. While benchmark data would be needed to confirm, the slightly older CPU architecture in the A15 is less of a concern to me than these practical advantages. The availability of larger RAM and storage configurations in the A15 also provides valuable future-proofing. I prioritize these features over a slightly larger screen size.

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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