OnePlus 12 vs Samsung Galaxy M55 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date December 11, 2023 March 28, 2024
Release Year 2023 2024

Physical

Volume 114.58 cm³ 97.8 cm³
Screen Size to Weight Ratio 3.1 "/g 3.72 "/g
Weight 220 g 180 g
Height 164.3 mm 163.9 mm
Width 75.8 mm 76.5 mm
Thickness 9.2 mm 7.8 mm
Foldable Design No No
Available Colors
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)
  • Light Green
  • Dark Blue

Display

Screen Size 6.82 " 6.7 "
Resolution 1440 x 3168 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 90.8 % 86.4 %
Pixel Density 510 PPI 393 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness 600 nits N/A
HBM Brightness 1600 nits 1000 nits
Peak Brightness 4500 nits N/A

Hardware

Battery Capacity per Screen Area 116.10 mAh/in² 111.38 mAh/in²
Battery Density 47.13 mAh/cm³ 51.13 mAh/cm³
Battery Capacity 5400 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 750 Adreno 644

Connectivity

USB Version 3.2 2.0
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0, OTG

Software

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

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 12Samsung Galaxy M55Practical Impact
Design
Dimensions (mm)164.3 x 75.8 x 9.2163.9 x 76.5 x 7.8The OnePlus 12 is slightly taller and thicker, but marginally narrower. The M55 is noticeably thinner. Differences are minor and unlikely to significantly impact daily use.
Weight (g)220180The M55 is significantly lighter, potentially reducing hand fatigue during extended use.
Display
Size (inches)6.826.7Negligible size difference; both offer large screen experiences.
TypeLTPO AMOLEDSuper AMOLED+Both offer vibrant colors and deep blacks. LTPO allows for dynamic refresh rate adjustment on the OnePlus 12, potentially saving battery.
Resolution1440 x 31681080 x 2400OnePlus 12 has a much sharper display (510 ppi vs 393 ppi), resulting in crisper text and images.
Peak Brightness (nits)45001000 (HBM)The OnePlus 12 gets drastically brighter, ensuring excellent outdoor visibility even in direct sunlight. The M55's peak brightness is not specified under normal conditions, limiting our comparison.
Refresh Rate (Hz)120120Both offer smooth scrolling and animations.
Performance
ChipsetSnapdragon 8 Gen 3Snapdragon 7 Gen 1The 8 Gen 3 in the OnePlus 12 is a flagship processor, significantly more powerful than the 7 Gen 1 in the M55. Expect much better performance in demanding tasks and gaming.
CPUOcta-core (1x3.3 GHz Cortex-X4 & ...)Octa-core (1x2.4 GHz Cortex-A710 & ...)The OnePlus 12's CPU boasts higher clock speeds and a more powerful core architecture, translating to faster app loading, multitasking, and overall responsiveness.
GPUAdreno 750Adreno 644The Adreno 750 offers a substantial GPU performance advantage, crucial for high-end gaming and graphics-intensive applications.
RAM16GB8GBDouble the RAM on the OnePlus 12 enables superior multitasking and smoother performance with memory-intensive apps.
Storage512GB256GBOnePlus 12 offers double the storage.
Camera
Video Capabilities8K@24fps, 4K@60fps...4K@30fps, 1080p@60fps...The OnePlus 12 supports higher resolution and frame rate video recording, offering more flexibility for content creation. Detailed camera sensor specifications are missing for both phones, limiting a comprehensive comparison.
Battery
Capacity (mAh)54005000Slightly larger battery in the OnePlus 12. Real-world battery life depends on various factors, including software optimization and display usage.

2. Key Differences Analysis

OnePlus 12 Advantages:

  • Significantly more powerful: The Snapdragon 8 Gen 3, coupled with 16GB RAM, offers a substantial performance advantage for demanding tasks and gaming.
  • Sharper and brighter display: Higher resolution and peak brightness result in a superior visual experience.
  • More versatile video recording: Supports higher resolutions and frame rates.
  • More storage: Double the storage capacity compared to the M55.

Samsung Galaxy M55 Advantages:

  • Lighter and thinner: More comfortable for one-handed use and extended periods.
  • Potentially lower price: While both are in the "medium price" range, the M55's less powerful specs might translate to a lower actual price.

3. User Profiles & Recommendations

OnePlus 12: Ideal for power users, gamers, and content creators who demand top-tier performance, a stunning display, and ample storage.

Samsung Galaxy M55: Suitable for users prioritizing a lightweight and comfortable phone for everyday tasks like browsing, social media, and casual photography. Good option for budget-conscious buyers who don't need the absolute best performance.

4. Decision Framework

Key Questions:

  1. What is your budget? The OnePlus 12 will likely be more expensive.
  2. What are your primary phone usage patterns? Gaming, content creation, or everyday tasks?
  3. Do you prioritize performance or portability? The OnePlus 12 excels in performance, while the M55 is lighter and more compact.

Scenario-Based Recommendations:

  • Heavy gamer: OnePlus 12
  • Budget-conscious social media user: Samsung Galaxy M55
  • Photographer/Videographer: OnePlus 12 (due to superior video capabilities, assuming comparable camera sensor quality which is not specified)

My Choice: OnePlus 12

While lacking complete camera specifications limits a full assessment, the OnePlus 12 is the clear winner for me. The significant performance advantage offered by the Snapdragon 8 Gen 3 and 16GB of RAM, combined with the superior display, makes it a much more future-proof device. I prioritize a smooth and responsive user experience, especially for multitasking and demanding applications, which the OnePlus 12 clearly delivers. The slightly higher weight is a minor trade-off for the substantial performance gains. The brighter, sharper display is also a major draw for me. While the M55 offers advantages in portability and potentially price, the OnePlus 12's superior overall package makes it the more compelling choice.

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
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.