Motorola Moto G51 5G vs Samsung Galaxy A15 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date December 16, 2021 December 16, 2023
Release Year 2021 2023

Physical

Volume 118.69 cm³ 103.28 cm³
Screen Size to Weight Ratio 3.27 "/g 3.25 "/g
Weight 208 g 200 g
Height 170.5 mm 160.1 mm
Width 76.5 mm 76.8 mm
Thickness 9.1 mm 8.4 mm
Foldable Design No No
Available Colors
  • Indigo Blue
  • Bright Silver
  • Aqua Blue
  • Brave Black
  • Optimistic Blue
  • Magical Blue
  • Personality Yellow

Display

Screen Size 6.8 " 6.5 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 85.6 % 84.3 %
Pixel Density 387 PPI 396 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 118.34 mAh/in²
Battery Density 42.13 mAh/cm³ 48.41 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm) Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.2 GHz Kryo 460 & 6x1.8 GHz Kryo 460) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 619 Mali-G57 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 12 17

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Motorola Moto G51 5G and the Samsung Galaxy A15. We've got two contenders here, each with its own strengths and quirks. I'll break it down like I'm explaining it to a friend over coffee, focusing on what actually matters in daily use.

1. Specifications Breakdown

Here's a detailed look at how these two phones stack up, focusing not just on the numbers but also on what those numbers mean for you.

FeatureMotorola Moto G51 5GSamsung Galaxy A15Real-World Implications
Design
Dimensions170.5 x 76.5 x 9.1 mm160.1 x 76.8 x 8.4 mmMoto G51 5G is taller and thicker; Galaxy A15 is more compact and perhaps easier to handle one-handed.
Weight208g200gGalaxy A15 is slightly lighter, which could be noticeable over extended use.
BuildStandardStandardBoth phones have standard builds without special features like water resistance.
Display
Size6.8"6.5"Moto G51 5G offers a slightly larger screen, better for media consumption and multi-tasking, while Galaxy A15 is more compact.
Resolution1080x24001080x2340Both phones provide crisp images with minimal differences in sharpness.
PPI387396Similar pixel density, so both displays will appear equally sharp in most everyday use.
TechnologyIPS LCDAMOLEDGalaxy A15's AMOLED display offers deeper blacks, better contrast, and more vibrant colors. Better for dark themes and content.
Refresh Rate120Hz90HzMoto G51 5G has a smoother display, making scrolling and animations more fluid than on the Galaxy A15.
Brightness0 nits800 nitsGalaxy A15 is far better in bright sunlight due to much higher brightness.
Performance
ChipsetSnapdragon 480+ 5GHelio G99Galaxy A15 is marginally faster, better for gaming, multitasking and heavy apps
AnTuTu Score381,000442,500Galaxy A15 generally performs better in demanding tasks due to a better benchmark score.
GPUAdreno 619Mali-G57 MC2Different GPUs: for demanding applications like gaming, the Samsung may perform slightly better.
Camera
Standard Camera50MP f/1.850MP f/1.8Both offer similar main camera resolution; image quality is usually influenced by software processing.
Selfie Camera13MP f/2.213MP f/2.0Galaxy A15's selfie camera has a slightly wider aperture, which may let in more light in low-light situations.
Wide-Angle Lens8MP5MP f/2.2Moto G51 5G offers higher resolution for wide shots, potentially better detail in zoomed-out photos
Macro Lens2MP2MP f/2.4Both offer basic macro capabilities, good for detail shots up close
Video1080p@30/60/240fps1080p@30fpsMoto G51 5G supports a wider array of video fps options
Features (Camera)PDAF, LAF, RAWDigital Image Stabilization, Manual FocusMoto G51 5G: PDAF and LAF for quick focus. Galaxy A15: digital stabilization and manual mode for creative control.
Battery Life
Capacity5000mAh5000mAhBoth phones should provide similar battery life, depending on user habits.
Charging10W25WGalaxy A15 charges much faster, which is more convenient if you often need a quick power boost.
Software & Connectivity
OSAndroid 11 (up to 12)Android 14 (up to 17)Galaxy A15 has a newer OS, with updated features and security patches.
Wi-Fi802.11ac802.11acBoth support similar Wi-Fi standards.
Bluetooth5.15.2Galaxy A15 has a slightly newer Bluetooth version, which may improve power efficiency and compatibility with newer accessories.
Storage64GB/128GB128GB/256GBGalaxy A15 offers higher storage configurations.
RAM4GB/8GB4GB/6GB/8GBBoth phones have comparable RAM configurations, suitable for most users and multi-tasking
Expandable StorageNoNoNeither phone allows for extra storage via microSD cards.
Audio
QualityDolby Atmos2 microphonesMoto G51 5G has Dolby Atmos for enhanced spatial audio.
Security
BiometricSide FingerprintSide FingerprintBoth offer basic fingerprint security, conveniently located on the side.

2. Key Insights

Motorola Moto G51 5G:

  • Strengths: Larger 120Hz display for smooth visuals, more versatile video recording options (1080p@60fps, 1080p@240fps), better wide-angle camera, and the benefit of Dolby Atmos for enhanced audio. The faster refresh rate will make scrolling through social media or web pages look nice.
  • Competitive Advantages: Its focus on a better display and diverse video recording will cater to media consumers and those looking for a slightly more immersive experience.
  • Trade-offs: It's an older device with an older Android OS, lacks display brightness, slower charging, and expandable storage.

Samsung Galaxy A15:

  • Strengths: Superior AMOLED display with great brightness (800 nits), a faster chipset with better performance, longer software updates, and faster charging are major advantages. Its lighter and slightly smaller form factor might be more comfortable for daily use.
  • Competitive Advantages: The AMOLED display combined with better performance and faster charging makes this a great option for those who prioritize these aspects over display size or audio.
  • Trade-offs: It has a smaller display than the G51, does not have Dolby Atmos for enhanced audio, the refresh rate is slightly lower (90Hz), and has a lower-resolution wide-angle camera.

3. User Profiles and Recommendations

Motorola Moto G51 5G:

  • Best Suited For: Users who prioritize a large screen and smooth visual experience, enjoy capturing videos and playing with camera features, and don't mind a slower charging speed.
  • Use Cases: Great for watching videos, browsing social media, and casual gaming. Its robust video mode is nice for anyone looking to create.
  • Price-to-Value: Good for those on a budget who value screen real estate and diverse video capabilities over top-tier performance or display tech.

Samsung Galaxy A15:

  • Best Suited For: Users who value image quality, brightness, fast charging, and a more modern software experience. This is a great pick for those who appreciate a balance between design and technology.
  • Use Cases: Excellent for everyday use, browsing social media, consuming content in different lighting environments, and staying productive on the go.
  • Price-to-Value: A good all-arounder for those who need a reliable daily driver with a more modern experience without the high price tag.

4. Buying Decision Framework

Here are three questions to guide your decision:

  1. Display and Viewing Experience: Do you prioritize a larger screen with a higher refresh rate (Moto G51), or are you more concerned with deep blacks, better contrast, and high brightness for outdoor use (Galaxy A15)?
  2. Performance and Daily Tasks: Is raw speed and overall responsiveness more important to you (Galaxy A15), or are you okay with slightly less power for a smoother display (Moto G51)?
  3. Charging and Battery Use: Do you value quick charging for convenience (Galaxy A15), or is a standard charging speed sufficient for your needs (Moto G51)?

Scenario-Based Recommendations:

  • Scenario 1: "The Media Lover" - If you primarily watch videos, browse social media, and play casual games, then the Moto G51 is the way to go. Its big screen and smooth animations with 120Hz will make the experience more fun.
  • Scenario 2: "The Always-On-The-Go User" - If you're always out and about and need a reliable phone that can handle different lighting conditions while providing quick charging, then the Galaxy A15 is the better pick.
  • Scenario 3: "The Budget-Conscious User" - If price is a major concern, both phones offer great value. The G51 will offer that big screen experience, while the A15 will offer better performance with its better AMOLED display.

What I Would Choose and Why

Personally, I would choose the Samsung Galaxy A15.

Here's why: While the Motorola Moto G51 5G offers a larger screen and smoother 120Hz refresh rate, the Samsung Galaxy A15's AMOLED display and much higher brightness are significantly more appealing to me. The enhanced contrast, color vibrancy, and better visibility in bright sunlight make a noticeable difference in everyday use. I value the faster charging, as it fits better with my lifestyle. Additionally, the newer software updates and better chipset for performance are compelling reasons. Even though the Moto G51 has its strengths, the Galaxy A15 provides a more well-rounded experience for my particular needs and interests.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.