Apple iPhone 12 mini vs OnePlus 9RT 5G - Detailed Phone Comparison

Detailed Comparison

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

General

Launch Date November 13, 2020 October 19, 2021
Release Year 2020 2021

Physical

Volume 62.47 cm³ 100.43 cm³
Screen Size to Weight Ratio 4 "/g 3.34 "/g
Weight 135 g 198.5 g
Height 131.5 mm 162.2 mm
Width 64.2 mm 74.6 mm
Thickness 7.4 mm 8.3 mm
Foldable Design No No
Available Colors
  • Black
  • Red
  • Blue
  • White
  • Green
  • Purple
  • Blue
  • Hacker Black
  • Nano Silver

Display

Screen Size 5.4 " 6.62 "
Resolution 1080 x 2340 1080 x 2400
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 84.8 % 87.4 %
Pixel Density 476 PPI 397 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness 625 nits N/A
Peak Brightness 1200 nits N/A

Hardware

Battery Capacity per Screen Area 76.37 mAh/in² 102.68 mAh/in²
Battery Density 35.65 mAh/cm³ 44.81 mAh/cm³
Battery Capacity 2227 mAh 4500 mAh
NFC Support Yes Yes
Chipset Apple A14 Bionic (5 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Hexa-core (2x3.1 GHz Firestorm + 4x1.8 GHz Icestorm) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Apple GPU (4-core graphics) Adreno 660

Connectivity

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

Software

Operating System iOS Android
Initial OS Version 14.1 11
Maximum OS Version 18 13

Comparison Summary

1. Specifications Comparison

Design

FeatureApple iPhone 12 miniOnePlus 9RT 5GPractical Impact
Physical Size131.5 × 64.2 × 7.4 mm162.2 × 74.6 × 8.3 mmiPhone 12 mini is significantly smaller and more pocketable; 9RT 5G is larger, better for media consumption, but less convenient to carry.
Weight135g198.5giPhone 12 mini is much lighter, making it more comfortable for one-handed use and extended periods.
FoldableStandardStandardBoth are standard smartphones; neither folds.

Display

FeatureApple iPhone 12 miniOnePlus 9RT 5GPractical Impact
Size5.4"6.62"9RT 5G offers a larger screen, better for watching videos and gaming; iPhone 12 mini's smaller screen is better for one-handed operation.
Resolution1080x23401080x2400Both have similar resolutions; differences in sharpness are more affected by pixel density.
PPI476397iPhone 12 mini has a much sharper display, leading to crisper text and images.
TechnologyOLEDAMOLEDBoth use similar high-quality display technologies, offering vibrant colors and deep blacks.
Refresh Rate60Hz120Hz9RT 5G provides much smoother animations and scrolling, enhancing the user experience in games and while navigating the UI.
Brightness1200 nits0 nitsiPhone 12 mini is significantly brighter, offering much better visibility in direct sunlight. OnePlus 9RT 5G brightness is unknown, which is a significant limitation.

Performance

FeatureApple iPhone 12 miniOnePlus 9RT 5GPractical Impact
ChipsetApple A14 Bionic (5 nm)Qualcomm Snapdragon 888 (5 nm)Both are high-end processors; A14 is optimized for iOS, and Snapdragon 888 is optimized for Android. Apple A14 scores higher in benchmarks.
Antutu Score1,072,354881,700iPhone 12 mini benchmarks higher, suggesting slightly better overall performance, app loading, and smoother operation, although in practice, both will be very fast.
GPUApple GPU (4-core graphics)Adreno 660Both offer excellent graphics performance for demanding games, but their architectures differ (Apple GPU optimized for iOS/Metal APIs, Adreno for Android/OpenGL APIs).

Camera

FeatureApple iPhone 12 miniOnePlus 9RT 5GPractical Impact
Standard Camera12MP, f/1.6, 1/2.55", 1.4µm50MP, f/1.8, 1/1.56", 1.0µm9RT 5G offers higher resolution; iPhone 12 mini has a wider aperture and larger pixel size, for better low-light performance.
Selfie Camera12MP, f/2.216MP, f/2.4, 1/3.13", 1.0µm9RT 5G offers slightly higher resolution, but the iPhone 12 mini has a wider aperture for better low-light selfies.
Wide Angle Lens12MP, f/2.4, 1/2.55", 1.4µm16MP, f/2.2, 1/3.09", 1.0µm9RT 5G offers higher resolution and a wider aperture, while the iPhone 12 mini has a larger sensor, potentially leading to different strengths depending on the situation.
Macro LensNone2MP, f/2.49RT 5G has a dedicated macro lens for close-up photography, which the iPhone 12 mini lacks.
Video RecordingUp to 4K 60fps, HDR, OIS, Slow-moUp to 4K 60fps, HDR, EIS, Slow-moBoth offer very similar video capabilities, suitable for high-quality videos. iPhone 12 mini has OIS and Ultra stable video while 9RT 5G has EIS.
DXOMark (Mobile)117 (Photo: 128, Video: 129)Not TestediPhone 12 mini has a scored mobile camera with good photo and video quality according to DXOMark.
DXOMark (Selfie)132 (Photo: 127, Video: 140)Not TestediPhone 12 mini has scored selfie camera with excellent photo and video quality according to DXOMark.

Battery

FeatureApple iPhone 12 miniOnePlus 9RT 5GPractical Impact
Capacity2227 mAh4500 mAh9RT 5G has much larger battery, expected to offer significantly longer battery life.
Charging20W Fast Charging, Li-Ion65W Fast Charging, Li-Polymer9RT 5G charges much faster; its battery chemistry and double-cell design also contributes to faster charging. iPhone 12 mini's adapter is sold separately.
FeaturesNon-removable, MagSafe, QiNon-removable, 2*2250mAhiPhone 12 mini offers MagSafe and Qi wireless charging. 9RT 5G has a dual-cell design for faster charging.

2. Key Differences Analysis

Apple iPhone 12 mini Advantages

  • Significantly Smaller and Lighter: More comfortable for one-handed use and easier to carry.
  • Sharper Display: Higher pixel density offers crisper visuals.
  • Brighter Display: Excellent visibility in bright sunlight.
  • Higher Benchmark Scores: Slightly faster overall performance.
  • MagSafe and Qi Wireless Charging: Convenient wireless charging ecosystem.
  • DXOMark Camera Scores: Proven high-quality photo and video capabilities, especially for selfies.
  • Better Low-Light Selfie Performance: Wider aperture on the selfie camera.
  • Ultra Stable Video: Superior video recording stability

OnePlus 9RT 5G Advantages

  • Larger Display: Better for media consumption and gaming.
  • Smoother Display: 120Hz refresh rate provides a more fluid user experience.
  • Larger Battery: Significantly longer battery life.
  • Faster Charging: Rapid 65W fast charging.
  • Dedicated Macro Lens: Added versatility for close-up photography.
  • Newer Bluetooth Version: Enhanced audio codec support for wireless headphones.
  • More RAM Options: Superior multitasking performance with 8GB/12GB options.
  • More Versatile Camera: Higher resolution sensors and wide-angle lens for varied photography scenarios
  • Fingerprint Sensor: Convenient biometric unlocking.

Trade-offs

  • iPhone 12 mini: Sacrifices battery life and screen size for portability and sharpness. Slower charging, adapter sold separately, and no macro lens.
  • OnePlus 9RT 5G: Larger and heavier, less comfortable for one-handed use. Lower display sharpness and no information on screen brightness.

3. User Profiles & Recommendations

Apple iPhone 12 mini

  • Ideal User: Those who prioritize portability, one-handed use, and a high-quality display in a smaller package. Great for those who value the iOS ecosystem and camera.
  • Specific Use Cases:
    • Users who need a phone that fits easily in a pocket or small bag.
    • Those who use their phone heavily for social media, browsing, and texting, valuing sharpness over size.
    • Users who often take photos/videos and value DXOMark score and image quality.
    • Individuals who want MagSafe and Qi Wireless charging.

OnePlus 9RT 5G

  • Ideal User: Those who prioritize battery life, a large screen for media consumption, and smooth performance. Great for Android users who need a macro camera.
  • Specific Use Cases:
    • Users who watch a lot of videos, play games, or use their phones for navigation.
    • Those who need a phone that can last all day without needing a recharge.
    • Users who want faster charging and a versatile camera setup.
    • Individuals who prefer Android and the open ecosystem it provides.

4. Decision Framework

Key Questions to Consider

  1. Do you prioritize portability and one-handed use, or a large display for media consumption?
  2. How important is battery life?
  3. Do you prefer iOS or Android?

Scenario-Based Recommendations

  • Scenario 1: Daily Commuter & Social Media User:
    • If portability and a sharp display are key, choose the iPhone 12 mini.
  • Scenario 2: Frequent Gamer & Media Enthusiast:
    • If battery life and a large screen are essential, choose the OnePlus 9RT 5G.
  • Scenario 3: Photographer
    • If DXOMark score and high-quality selfies and video are important, choose the iPhone 12 mini. If a versatile set of lenses and a macro camera are important, choose the OnePlus 9RT 5G
  • Scenario 4: Power User
    • If the ability to multitask, run heavy apps, and use the phone without worrying about charge, then the OnePlus 9RT 5G would be ideal.

My Choice and Why

Given my own needs and preferences, I would choose the OnePlus 9RT 5G. While I appreciate the compact form factor of the iPhone 12 mini, my priorities lie with battery life, a larger screen for media consumption, and the smoother 120Hz display. The significantly faster charging and additional RAM on the OnePlus 9RT 5G are also very appealing to me as someone who uses their phone for prolonged periods of time and often for gaming and watching videos. While the missing brightness information for the 9RT 5G is a concern, the other advantages outweigh the potential drawback. Also, as an Android user, the openness of the system is more in line with my general use case.

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.