OnePlus 12 vs Samsung Galaxy A15 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date December 11, 2023 December 16, 2023
Release Year 2023 2023

Physical

Volume 114.58 cm³ 103.28 cm³
Screen Size to Weight Ratio 3.1 "/g 3.25 "/g
Weight 220 g 200 g
Height 164.3 mm 160.1 mm
Width 75.8 mm 76.8 mm
Thickness 9.2 mm 8.4 mm
Foldable Design No No
Available Colors
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)
  • Brave Black
  • Optimistic Blue
  • Magical Blue
  • Personality Yellow

Display

Screen Size 6.82 " 6.5 "
Resolution 1440 x 3168 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 90.8 % 84.3 %
Pixel Density 510 PPI 396 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 600 nits N/A
HBM Brightness 1600 nits 800 nits
Peak Brightness 4500 nits N/A

Hardware

Battery Capacity per Screen Area 116.10 mAh/in² 118.34 mAh/in²
Battery Density 47.13 mAh/cm³ 48.41 mAh/cm³
Battery Capacity 5400 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) Mediatek Helio G99 (6 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 (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 750 Mali-G57 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 14 14
Maximum OS Version 18 17

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 12Samsung Galaxy A15Practical Impact
Design
Dimensions164.3 x 75.8 x 9.2 mm160.1 x 76.8 x 8.4 mmThe OnePlus 12 is slightly taller and thicker but narrower. The A15 might feel slightly more compact in hand.
Weight220g200gThe OnePlus 12 is noticeably heavier.
BuildMissingMissingBuild materials impact durability and feel, but this information is missing.
Display
Size6.82"6.5"The OnePlus 12 offers a larger viewing area, better for media consumption.
TypeLTPO AMOLEDSuper AMOLEDBoth are high-quality display types, but LTPO allows for more dynamic refresh rate adjustments on the OnePlus 12, saving battery.
Resolution1440 x 31681080 x 2340Significantly sharper and more detailed visuals on the OnePlus 12.
Refresh Rate120Hz90HzSmoother animations and scrolling on the OnePlus 12.
Peak Brightness4500 nits800 nitsThe OnePlus 12 will be vastly more visible in direct sunlight.
Performance
ChipsetSnapdragon 8 Gen 3Helio G99The Snapdragon 8 Gen 3 is a flagship-level chip, significantly more powerful than the mid-range Helio G99. Expect much better performance in demanding tasks and gaming on the OnePlus 12.
CPUOcta-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)The OnePlus 12 has a more powerful and modern CPU architecture.
GPUAdreno 750Mali-G57 MC2The Adreno 750 offers considerably better graphics performance for gaming and demanding applications.
RAM16GB6GB/8GBMore RAM on the OnePlus 12 enables smoother multitasking and handling more demanding applications.
Storage512GB128GB/256GBMore base storage on the OnePlus 12.
Camera
Rear CameraMissingMissingDetailed camera specifications are missing, making a comparison impossible.
Video8K@24fps, up to 1080p@480fps1080p@30fpsThe OnePlus 12 offers significantly higher resolution and frame rate video recording capabilities.
Battery
Capacity5400 mAh5000 mAhSlightly larger battery on the OnePlus 12.
Charging SpeedMissingMissingCharging speed significantly impacts usability, but this data is missing.

2. Key Differences Analysis

OnePlus 12 Advantages:

  • Significantly more powerful: The Snapdragon 8 Gen 3, higher RAM, and superior GPU deliver a vastly better performance for demanding tasks, gaming, and multitasking.
  • Superior Display: Higher resolution, refresh rate, and peak brightness result in a dramatically better visual experience.
  • More advanced video recording: Offers higher resolution and frame rate options.

Samsung Galaxy A15 Advantages:

  • Lighter and potentially more compact: Easier to hold and carry for extended periods.
  • Potentially more affordable: While both are in the "medium price" range, the A15 likely sits at the lower end.

Trade-offs:

  • The OnePlus 12's superior performance and display come at the cost of a higher price and heavier weight.
  • The Galaxy A15 prioritizes affordability and portability but compromises on performance and features.

3. User Profiles & Recommendations

OnePlus 12: Ideal for power users, gamers, content creators, or anyone who values top-tier performance, a stunning display, and advanced features. Excellent for demanding tasks, multitasking, media consumption, and mobile gaming.

Samsung Galaxy A15: Suitable for budget-conscious users who prioritize basic functionality, affordability, and portability. Best for everyday tasks like web browsing, social media, and light gaming.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The OnePlus 12 is likely significantly more expensive.
  2. What are your primary smartphone use cases? Demanding tasks and gaming benefit from the OnePlus 12's power.
  3. Do you prioritize portability and affordability or performance and features? The A15 offers a balance of portability and affordability while the OnePlus 12 excels in performance.

My Choice: OnePlus 12

While lacking some specifications like camera details and charging speeds, the OnePlus 12 is the clear winner for me. The significantly superior performance offered by the Snapdragon 8 Gen 3, coupled with the stunning high-resolution, high refresh rate display, makes it a far more compelling device. I prioritize a smooth and responsive user experience, especially for demanding tasks and gaming, and the OnePlus 12 delivers that in spades. The extra weight is a minor trade-off for the substantial performance gains. While the Samsung Galaxy A15 is a respectable budget option, the OnePlus 12 offers a significant leap in quality and capability that justifies the likely higher price for my personal needs.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.