Realme 9i vs OnePlus 12 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 9i
Realme 9i
Realme
OnePlus 12
OnePlus 12
Oneplus

General

Launch Date January 10, 2022 December 11, 2023
Release Year 2022 2023

Physical

Volume 104.54 cm³ 114.58 cm³
Screen Size to Weight Ratio 3.47 "/g 3.1 "/g
Weight 190 g 220 g
Height 164.4 mm 164.3 mm
Width 75.7 mm 75.8 mm
Thickness 8.4 mm 9.2 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • Flowy Emerald
  • Silky Black
  • Silver (Glacial White)

Display

Screen Size 6.6 " 6.82 "
Resolution 1080 x 2412 1440 x 3168
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.2 % 90.8 %
Pixel Density 400 PPI 510 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 480 nits 600 nits
HBM Brightness N/A 1600 nits
Peak Brightness N/A 4500 nits

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 116.10 mAh/in²
Battery Density 47.83 mAh/cm³ 47.13 mAh/cm³
Battery Capacity 5000 mAh 5400 mAh
NFC Support Yes Yes
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Adreno 610 Adreno 750

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 13 18

Comparison Summary

Okay, let's break down the Realme 9i and OnePlus 12. This is a classic David vs. Goliath scenario, and I'm here to dissect what that means for you, the user.

1. Specifications Breakdown

Here's a detailed comparison table to illustrate the core differences between the two phones:

FeatureRealme 9iOnePlus 12Real-World Implications
Design
Dimensions164.4 × 75.7 × 8.4 mm164.3 × 75.8 × 9.2 mmRealme 9i is slightly thinner; OnePlus 12 is a touch wider and thicker, but the difference is negligible.
Weight190g220gRealme 9i is noticeably lighter, making it easier to handle for long periods.
Display
Size6.6"6.82"OnePlus 12 provides a slightly more immersive visual experience due to its larger screen.
Resolution1080x24121440x3168OnePlus 12 offers significantly sharper visuals due to its higher pixel density.
Pixel Density (PPI)400510OnePlus 12 provides crisper images and text, better for reading and viewing detailed graphics.
TechnologyIPS LCDAMOLEDOnePlus 12 boasts deeper blacks, better contrast, and more vibrant colors, improving overall display quality and power efficiency.
Refresh Rate90Hz120HzOnePlus 12 offers smoother animations, better for scrolling and fast-paced content.
Brightness0 nits4500 nitsOnePlus 12 has dramatically better outdoor visibility, ensuring usability even in bright sunlight.
Performance
ChipsetSnapdragon 680 (6 nm)Snapdragon 8 Gen 3 (4 nm)OnePlus 12 offers vastly superior performance, handling demanding tasks and gaming with ease.
AnTuTu Score216,8502,110,808OnePlus 12 offers significantly faster app loading, smoother multitasking, and a more responsive user experience.
GPUAdreno 610Adreno 750OnePlus 12 has vastly superior graphics processing, allowing for smoother gaming and video playback.
Camera
Main Camera50MP, f/1.8, 1/2.76"50MP, f/1.6, 1/1.43"OnePlus 12 captures more light, leading to better low-light performance and overall image quality.
Telephoto + PortraitNone64MP, f/2.6, 1/2"OnePlus 12 offers a dedicated zoom lens for versatile photography.
Selfie Camera16MP, f/2.1, 1/3.13"32MP, f/2.4, 1/2.74"OnePlus 12 should offer better detail and overall performance; Realme 9i has slightly wider aperture.
Macro Lens2MP, f/2.4, 1/5"NoneRealme 9i offers dedicated macro lens; OnePlus 12 offers a Wide Angle + Macro lens
Wide Angle + MacroNone48MP, f/2.2, 1/2"OnePlus 12 offers a dedicated ultrawide lens for capturing expansive scenes.
Black & White Lens2MP, f/2.4, 1/5"NoneRealme 9i offers dedicated Black & White lens
Video Recording1080p@30fpsUp to 8K@24fpsOnePlus 12 is capable of much higher quality video recording, better for serious video work.
Video StabilisationNoYesOnePlus 12 offers video stabilization resulting in clearer and more stable recording
Slow-MotionYes, 120 fpsYes, 960 fpsOnePlus 12 provides better slow-motion video recording quality
Battery Life
Capacity5000mAh5400mAhOnePlus 12 offers a marginally longer battery life due to the bigger capacity.
Charging33W Fast Charging100W Fast ChargingOnePlus 12 offers significantly faster charging, quickly replenishing the battery.
FeaturesNon-removableReverse, Wireless, Non-removableOnePlus 12 offers wireless charging capabilities and can even charge other devices.
Software
Operating SystemAndroid 11 (up to 13)Android 14 (up to 18)OnePlus 12 provides a newer OS and a longer update support period, ensuring future software features.
Connectivity
WiFiWi-Fi 5Wi-Fi 7OnePlus 12 supports faster wifi speeds and offers superior connectivity performance for modern networks
Bluetooth5.05.4OnePlus 12 has a newer version of Bluetooth that improves power efficiency, stability, and connection speed.
GPSBasic GPSAdvanced GPSOnePlus 12 provides a more accurate GPS for navigation systems.
SIMDual Nano SIMDual Nano SIM/eSIMOnePlus 12 provides eSIM support that offers flexibility for switching networks seamlessly.
Storage
Internal Storage64/128GB256/512/1024 GBOnePlus 12 offers more storage options, suitable for users storing significant amounts of data.
RAM4/6GB12/16/24GBOnePlus 12 boasts higher RAM which is crucial for intensive multitasking and smoother performance.
Expandable StorageNoNoNeither phone allows external storage options.
Audio
QualityHi-Res, StereoDolby Atmos, Noise cancellation, StereoOnePlus 12 has better overall audio capabilities providing spatial audio.
Security
SensorSide-MountedBasicRealme 9i has more advanced security features; OnePlus 12 offers basic biometric security.
Build Quality
Screen ProtectionUnknownGorilla Glass Victus 2OnePlus 12 offers much better screen protection
Other Sensors
SensorsAccelerometer, CompassAccelerometer, Gyroscope, Hall, Geomagnetic, RGBOnePlus 12 has more advanced sensors suitable for gaming and VR use.

2. Key Insights

Realme 9i:

  • Strengths: The Realme 9i stands out for its lightweight design, respectable battery life, side-mounted fingerprint sensor and lower price point. It’s a budget-friendly option, a good choice for casual users with simple daily needs like browsing, social media, and basic photography. It also comes with a dedicated Macro lens.
  • Limitations: It falls short in raw performance, display quality, camera versatility, fast charging, and advanced features. The lack of 5G and basic video recording capabilities are notable drawbacks.

OnePlus 12:

  • Strengths: The OnePlus 12 shines with its incredible processing power, vibrant AMOLED display, versatile camera system with an ultrawide and telephoto lens, and super-fast charging capabilities. It's a powerhouse designed for demanding users and those who need a premium all-around experience.
  • Limitations: It’s heavier, and pricier. The sheer number of features may be overkill for basic users.

3. User Profiles and Recommendations

  • Realme 9i: Best suited for:
    • Budget-conscious individuals: Those who want a reliable smartphone without breaking the bank.
    • Casual users: People who primarily use their phones for communication, social media, and light web browsing.
    • Those needing a lightweight device: Users who prioritize portability and comfort over high-end performance.
  • OnePlus 12: Best suited for:
    • Power users: Those who need a device that can handle demanding tasks, like gaming, video editing, or heavy multitasking.
    • Multimedia enthusiasts: Users who value top-notch display quality, versatile cameras, and advanced audio features.
    • Tech aficionados: People who appreciate the latest technology and are willing to pay for premium performance and features.

4. Buying Decision Framework

Here are three questions to help you decide:

  1. What is your primary usage?
    • If it's basic tasks like browsing and communication, the Realme 9i is a suitable option.
    • If you need a device for gaming, content creation, or intensive work, the OnePlus 12 is the better choice.
  2. What is your budget?
    • The Realme 9i is much more affordable, making it a great entry-level smartphone.
    • The OnePlus 12 sits at the premium end of the market and comes with a price to match.
  3. Which features are most important to you?
    • If lightweight design and battery life are your priorities, the Realme 9i does it well.
    • If you need a top-tier display, cutting-edge camera system, and blazing-fast performance, the OnePlus 12 is the clear winner.

Scenario-Based Recommendations:

  • Scenario 1: You’re on a tight budget and just need a phone for calls, messaging, and social media:

    • Recommendation: Realme 9i is sufficient and will save you a considerable amount of money.
  • Scenario 2: You love taking photos, watching videos, and playing mobile games:

    • Recommendation: OnePlus 12 is the better choice due to its superior display, camera system, and processing power.
  • Scenario 3: You need a phone for work and frequently multitask between different apps:

    • Recommendation: OnePlus 12 is superior because of its higher RAM and overall performance.

Personal Choice

If I were choosing between these two devices, I would choose the OnePlus 12 without hesitation. While the Realme 9i offers a compelling entry point at a lower price, the OnePlus 12 represents a massive leap in technological advancement and user experience. As a tech journalist, I need a phone that can keep up with my demanding needs, from capturing high-quality photos and videos to handling resource-intensive tasks.

Here's why the OnePlus 12 aligns with my priorities:

  • Unmatched Performance: The Snapdragon 8 Gen 3 chipset, combined with ample RAM and a fluid 120Hz AMOLED display, ensures a smooth and responsive experience, regardless of the task.
  • Exceptional Camera: The versatile camera system allows me to experiment with different photography scenarios, from wide landscapes to portrait photography, all with great image quality. The addition of a telephoto lens is a big plus for my on-the-go photography.
  • Premium Experience: The OnePlus 12 offers a premium build, stunning visuals, and a suite of advanced features, making it a more enjoyable and reliable device for my professional and personal use.

While the Realme 9i is a competent phone in its category, the OnePlus 12 provides a level of performance and feature set that justifies the higher price tag. It's a device that will serve me well for years, making it a worthwhile investment.

In the end, the right choice comes down to your individual needs and preferences, but as someone who lives and breathes tech, the OnePlus 12 is the clear winner for me.

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.