Samsung Galaxy M12 vs OnePlus 9RT 5G - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9RT 5G
OnePlus 9RT 5G
Oneplus

General

Launch Date April 30, 2021 October 19, 2021
Release Year 2021 2021

Physical

Volume 120.74 cm³ 100.43 cm³
Screen Size to Weight Ratio 3.07 "/g 3.34 "/g
Weight 212 g 198.5 g
Height 164 mm 162.2 mm
Width 75.9 mm 74.6 mm
Thickness 9.7 mm 8.3 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Green
  • Blue
  • Hacker Black
  • Nano Silver

Display

Screen Size 6.5 " 6.62 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 81.9 % 87.4 %
Pixel Density 270 PPI 397 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 118.34 mAh/in² 102.68 mAh/in²
Battery Density 41.41 mAh/cm³ 44.81 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Exynos 850 (8 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Mali-G52 Adreno 660

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 11
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy M12 and the OnePlus 9RT 5G, focusing on practical implications:

Design

FeatureSamsung Galaxy M12OnePlus 9RT 5GPractical Impact
Dimensions164 × 75.9 × 9.7 mm162.2 × 74.6 × 8.3 mmThe OnePlus 9RT 5G is slightly smaller, thinner, and easier to hold and pocket. The M12 is noticeably bulkier.
Weight212g198.5gThe OnePlus 9RT 5G is lighter, making it more comfortable for prolonged use. The difference is noticeable.
BuildStandardStandardBoth are standard smartphones, no foldable design, which is expected in this price range.

Display

FeatureSamsung Galaxy M12OnePlus 9RT 5GPractical Impact
Size6.5"6.62"The OnePlus 9RT 5G offers a slightly larger display, giving a more immersive experience for media consumption and gaming.
Resolution720x16001080x2400The OnePlus 9RT 5G has a significantly sharper and clearer display, leading to better text readability, image clarity, and overall visual experience. The M12's screen may appear pixelated.
Pixel Density (PPI)270397The OnePlus 9RT 5G has significantly higher pixel density, making the display noticeably sharper and detailed.
TechnologyPLS LCDAMOLEDThe OnePlus 9RT 5G's AMOLED display offers much better contrast, deeper blacks, more vibrant colors, and better power efficiency for dark themes, enhancing viewing quality. The M12's LCD appears duller in comparison.
Refresh Rate90Hz120HzThe OnePlus 9RT 5G has a smoother display, resulting in fluid animations and a more responsive user interface. This is noticeable in scrolling and gaming.
Brightness0 nits0 nitsBoth have the same peak brightness, which we can't determine from the current specifications.

Performance

FeatureSamsung Galaxy M12OnePlus 9RT 5GPractical Impact
ChipsetExynos 850 (8 nm)Qualcomm Snapdragon 888 5G (5 nm)The OnePlus 9RT 5G's chipset is significantly faster and more powerful, offering a much smoother experience for demanding tasks, gaming, and multitasking. The M12 is better suited for basic tasks.
AnTuTu Score117,341881,700The OnePlus 9RT 5G has a substantially higher performance score, indicating vastly superior performance across all areas, such as gaming and heavy apps.
GPUMali-G52Adreno 660The OnePlus 9RT 5G’s Adreno 660 is significantly more powerful, offering superior gaming performance and smoother graphics rendering.

Camera

FeatureSamsung Galaxy M12OnePlus 9RT 5GPractical Impact
Main Camera Resolution48MP50MPThe OnePlus 9RT 5G’s main camera can capture slightly more detailed photos in ideal conditions.
Main Camera Aperturef/2.0f/1.8The OnePlus 9RT 5G has a wider aperture, allowing it to capture more light, resulting in better low-light performance and shallower depth of field.
Main Camera Sensor Size1/2"1/1.56"The OnePlus 9RT 5G’s larger sensor can gather more light, resulting in better image quality, especially in low-light situations.
Selfie Camera Resolution8MP16MPThe OnePlus 9RT 5G’s front camera captures more detailed selfies.
Selfie Camera Aperturef/2.2f/2.4The Samsung Galaxy M12's wider aperture may capture a little more light.
Wide Angle Camera Resolution5MP16MPThe OnePlus 9RT 5G offers a significantly more detailed wide-angle shots, making it more versatile for capturing landscapes and group photos.
Portrait Mode (Depth)2MP Dedicated LensNot IncludedThe Samsung Galaxy M12 offers a dedicated depth sensor to assist with creating a bokeh effect in portrait photos.
Macro Lens Resolution2MP2MPBoth have comparable macro capabilities for close-up shots.
Video Recording1080p@30fps4K@60fpsThe OnePlus 9RT 5G can record much higher quality videos (4K) with superior detail, making it ideal for content creators or those who enjoy video recording.
Video StabilizationNoEIS/OISThe OnePlus 9RT 5G offers better video stabilization for smoother, less shaky footage.
Slow MotionNo, 30 fpsYes, 240 fpsThe OnePlus 9RT 5G has slow motion video capabilities.

Battery

FeatureSamsung Galaxy M12OnePlus 9RT 5GPractical Impact
Capacity5000mAh4500mAhThe Samsung Galaxy M12 has a larger battery, potentially offering longer battery life for users who prioritize endurance, though this can be affected by the more powerful chip in the OnePlus.
Charging15W Fast Charging65W Fast ChargingThe OnePlus 9RT 5G offers much faster charging, which is incredibly convenient for quickly topping up the battery.

2. Key Differences Analysis

Samsung Galaxy M12 Advantages:

  • Larger Battery: The 5000mAh battery offers potentially longer battery life, which is ideal for users who need their phone to last a full day or longer.
  • Dedicated Depth Sensor: It includes a dedicated depth sensor, improving portrait mode quality for users that enjoy that feature.

OnePlus 9RT 5G Advantages:

  • Superior Performance: The Snapdragon 888 chipset offers much faster app loading, smoother multitasking, and better gaming performance.
  • Sharper Display: The AMOLED display has a significantly higher resolution and pixel density, resulting in a much clearer and more vibrant visual experience.
  • Smoother Display: The 120Hz refresh rate screen makes the phone feel much more fluid and responsive.
  • Better Camera System: The larger sensors, wider apertures, and superior video recording capabilities (4K, OIS/EIS) make it ideal for photography and video.
  • Faster Charging: The 65W fast charging can quickly replenish the battery, which is convenient for users on the go.
  • Advanced Connectivity: Supports faster WiFi standards and more precise GPS, enhancing the overall user experience.
  • Enhanced Audio: Features Dolby Atmos, stereo speakers, and noise cancellation for better multimedia consumption and clearer calls.
  • More RAM: The OnePlus has more RAM which is important for more demanding tasks and multitasking.

Significant Trade-offs:

  • Samsung Galaxy M12: Sacrifices performance, display quality, and camera capabilities for a larger battery and a lower price point. Its thicker and heavier design can also be a disadvantage.
  • OnePlus 9RT 5G: Trades a slightly smaller battery capacity for significantly better performance, display, camera, and faster charging.

3. User Profiles & Recommendations

Samsung Galaxy M12:

  • Ideal User: Users who prioritize battery life, affordability, and basic smartphone functions over advanced features. This phone is suited for light daily tasks, casual social media browsing, and users who may not be tech-savvy.
  • Use Cases:
    • Prolonged use without needing to recharge frequently.
    • Basic web browsing and communication.
    • Casual social media use.
    • Users on a tight budget who still want a decent experience.
  • Price-to-Value Ratio: Good for those who value battery and basic smartphone functionality over performance and advanced features, offering a lower price point.

OnePlus 9RT 5G:

  • Ideal User: Power users, gamers, content creators, and those who value a high-quality display, camera performance, and fast charging. Users who need their phone to perform well in demanding tasks.
  • Use Cases:
    • Gaming with smooth and detailed graphics.
    • Photography and videography.
    • Multitasking and using resource-intensive apps.
    • Users who want a premium visual experience.
  • Price-to-Value Ratio: Excellent for those who value performance, camera capabilities and a premium display. It comes at a higher price, but the performance and features justify the cost.

4. Decision Framework

Key Questions for Buyers:

  1. What is your primary use case? (Basic tasks vs. Gaming/Content Creation)
  2. How important is display quality and camera performance to you? (Basic vs. High quality)
  3. Is long battery life more important than fast charging and overall performance? (Endurance vs. Power)

Scenario-Based Recommendations:

  • Scenario 1: Budget-Conscious User Needing Basic Functionality: If you are on a tight budget and only need basic smartphone functions such as browsing, calling, and light social media, the Samsung Galaxy M12 is a reasonable choice.
  • Scenario 2: User Prioritizing Performance & Multimedia: If you are a power user, gamer, or content creator, the OnePlus 9RT 5G is the clear choice due to its significantly better performance, superior display, and enhanced camera capabilities.
  • Scenario 3: User Prioritizing Long Battery Life with Minimal Demands: If your priority is maximum battery life for long days, the Samsung Galaxy M12 is the better option. However, keep in mind that the performance is very basic.

My Choice

Personally, I would choose the OnePlus 9RT 5G. While the Samsung Galaxy M12 offers a larger battery, the OnePlus 9RT 5G's advantages in almost every other area—particularly performance, display quality, and camera capabilities—are far more impactful for my daily usage. As a frequent mobile gamer and someone who appreciates high-quality visuals and camera performance, the benefits of the OnePlus 9RT 5G easily outweigh its smaller battery and higher price. The smoother experience, faster charging, and better overall build quality justify the extra cost. Additionally, the OnePlus 9RT 5G has significantly more RAM, which makes a big difference for day-to-day usage and multitasking between multiple apps.

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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Bridging technical complexity with engaging, accessible narratives.