OnePlus 9R vs Xiaomi Redmi Note 12S - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9R
OnePlus 9R
Oneplus

General

Launch Date April 14, 2021 April 26, 2023
Release Year 2021 2023

Physical

Volume 100.21 cm³ 95.71 cm³
Screen Size to Weight Ratio 3.47 "/g 3.65 "/g
Weight 189 g 176 g
Height 161 mm 159.9 mm
Width 74.1 mm 73.9 mm
Thickness 8.4 mm 8.1 mm
Foldable Design No No
Available Colors
  • Carbon Black
  • Lake Blue
  • Ice Blue
  • Onyx Black
  • Pearl Green

Display

Screen Size 6.55 " 6.43 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 86.8 % 84.5 %
Pixel Density 402 PPI 409 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 700 nits
Peak Brightness N/A 1000 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 120.93 mAh/in²
Battery Density 44.9 mAh/cm³ 52.24 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Mediatek MT6781 Helio G96 (12 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 650 Mali-G57 MC2

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 10 13
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 9RXiaomi Redmi Note 12SPractical Impact
Design
Dimensions161 × 74.1 × 8.4 mm159.9 × 73.9 × 8.1 mmOnePlus 9R is slightly taller and thicker; Redmi Note 12S is more compact. Slight difference in hand feel.
Weight189g176gRedmi Note 12S is lighter, which may be more comfortable for extended use.
Display
Size6.55"6.43"OnePlus 9R has a slightly larger screen, beneficial for media consumption and gaming.
Resolution1080x24001080x2400Both offer the same sharpness; screen details will appear nearly identical.
PPI402409Both are very sharp, indistinguishable pixel density at typical viewing distances.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz90HzOnePlus 9R offers smoother scrolling and animations, noticeable when navigating the UI and playing games.
Brightness0 nits1000 nitsRedmi Note 12S is significantly brighter, better for outdoor visibility under sunlight; OnePlus 9R brightness unknown.
Performance
ChipsetQualcomm Snapdragon 870 5G (7 nm)Mediatek Helio G96 (12 nm)OnePlus 9R's chipset offers significantly better performance for gaming and demanding apps; faster overall.
Antutu Score821,600412,400OnePlus 9R scores much higher, showing faster app loading and smoother multitasking performance.
GPUAdreno 650Mali-G57 MC2OnePlus 9R has a more powerful GPU that provides better gaming performance.
Battery
Capacity4500mAh5000mAhRedmi Note 12S has a larger battery, likely offering longer battery life per charge.
Charging65W fast charging33W fast chargingOnePlus 9R charges much faster, resulting in less time plugged in.
FeaturesNon-removableReverse charging, Non-removableRedmi Note 12S can act as a power bank for other devices.
Camera
Main Camera48MP, f/1.7, 1/2" Sony IMX586108MP, f/1.8, 1/1.52" Samsung S5KHM2Redmi Note 12S captures higher resolution images; OnePlus 9R has a wider aperture. Different image processing.
Selfie Camera16MP, f/2.4, 1/3.13" Sony IMX47116MP, f/2.4, UnspecifiedBoth offer similar selfie quality.
Wide Angle16MP, f/2.2, 1/3.09" Sony IMX4818MP, f/2.2, UnspecifiedOnePlus 9R has a higher resolution for wide-angle shots.
Portrait Camera2MP, f/2.4Not PresentOnePlus 9R has a dedicated depth sensor for better portrait mode.
Macro Camera5MP, f/2.42MP, f/2.4OnePlus 9R has slightly higher resolution for macro photography.
Video Recording4K@60fps with HDR, EIS1080p@30fpsOnePlus 9R records higher quality videos; supports 4K at 60fps which captures smooth and detailed videos.
FeaturesOIS, PDAF, RAW, 4K Video, Quad CameraNight Mode, Triple CameraOnePlus 9R has OIS for better image stabilization; Redmi Note 12S features Night Mode.
Software
OSAndroid 10, upgradable to 13Android 13Redmi Note 12S offers the latest Android version out-of-the-box.
Connectivity
WiFiWiFi 6 (802.11ax)802.11acOnePlus 9R supports newer, faster WiFi standard.
Bluetooth5.15.2Redmi Note 12S offers newer Bluetooth standard.
GPSL1+L5, B1, E1+E5aStandardOnePlus 9R provides more accurate GPS with more satellite support.
Storage
Internal128 GB or 256 GB64 GB, 128 GB, or 256 GBBoth offer similar storage options. Redmi Note 12S also has 64GB Option.
RAM8 GB or 12 GB6 GB or 8 GBOnePlus 9R has more RAM, beneficial for smoother multitasking and demanding apps.
ExpandableNoNoNeither phone supports expandable storage.
Audio
QualityDolby Atmos, Noise cancellation micHi-Res AudioOnePlus 9R has slightly better audio features overall for enhanced immersion.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorRedmi Note 12S features a faster and more ergonomically placed fingerprint reader.
Build Quality
ProtectionUnknownCorning Gorilla Glass 3Xiaomi Redmi Note 12S uses superior screen protection.
Sensors
ProximityYesUltrasonic proximity virtualBoth have a proximity sensor.

2. Key Differences Analysis

OnePlus 9R Advantages:

  • Significantly Superior Performance: The Snapdragon 870 chipset offers much faster processing and graphics capabilities, which is crucial for gaming and demanding applications.
  • Smoother Display: 120Hz refresh rate results in smoother animations and scrolling experience.
  • Superior Video Recording: 4K video recording at 60fps with HDR and EIS offers higher quality and more detailed videos.
  • Better Camera Features: Optical image stabilization (OIS), PDAF, and additional lenses (including depth and higher-resolution wide-angle lens), provide more photography versatility.
  • Faster Charging: 65W charging replenishes the battery much quicker, reducing downtime.
  • More Accurate GPS: The inclusion of dual-band GPS and more satellite systems enhances location precision.
  • Better Audio Quality: Dolby Atmos delivers enhanced spatial audio.

Xiaomi Redmi Note 12S Advantages:

  • Brighter Display: 1000 nits brightness enhances outdoor visibility under sunlight.
  • Larger Battery: The 5000mAh battery provides longer battery life.
  • Reverse Charging: The ability to charge other devices is useful in a pinch.
  • Newer Android Version: Android 13 out-of-the-box provides the latest features and security updates.
  • Superior Screen Protection: Uses Corning Gorilla Glass 3.
  • More Ergonomic Fingerprint Sensor: Side-mounted fingerprint is faster and more convenient to access.

Trade-offs:

  • The OnePlus 9R has significantly superior performance, but a smaller battery and unknown screen protection.
  • The Xiaomi Redmi Note 12S has better battery life and screen protection, but it sacrifices performance and video capabilities.

3. User Profiles & Recommendations

OnePlus 9R Ideal User:

  • Gamers: Demanding games will run smoother with the powerful Snapdragon 870 and 120Hz display.
  • Power Users: Those who multitask heavily and require fast performance for resource-intensive tasks will benefit significantly.
  • Mobile Videographers: Users who value high-quality video recording capabilities for personal or professional use.
  • Users who prefer Fast Charging: 65W charging provides more convenience.
  • Users who want Better Audio: The inclusion of Dolby Atmos would make a big difference for immersive music listening.

Use Cases: Gaming, Video Editing, High-Resolution Video Recording, Heavy Multitasking, Fast Charging Experience

Xiaomi Redmi Note 12S Ideal User:

  • Everyday Users: Ideal for general daily tasks such as browsing, social media, and light app usage.
  • Users Needing Long Battery Life: Those who need a phone that lasts all day without needing a recharge.
  • Budget-Conscious Users: The Redmi Note 12S typically offers better value in the mid-range category.
  • Users Frequently Under Sunlight: Its bright display ensures readability outdoors.
  • Users that prefer Android 13 Out of the box: Offers the latest software enhancements and security.

Use Cases: Social Media, General Productivity, Media Consumption, Outdoor Use, Day-long Battery Life.

4. Decision Framework

Key Questions to Consider:

  1. Performance Needs: Do you prioritize raw processing power and gaming performance over other aspects?
  2. Battery Life vs. Charging Speed: Do you prefer a phone with longer battery life or faster charging speed?
  3. Camera Priorities: Is higher video quality with OIS or higher resolution photos more important to you?

Scenario-Based Recommendations:

  • Scenario 1 (High Performance): If you are a gamer or need to run demanding applications, the OnePlus 9R is the clear choice.
  • Scenario 2 (Long Battery): If you prioritize all-day battery life and frequently use your phone outdoors, the Xiaomi Redmi Note 12S is better suited.
  • Scenario 3 (Balanced User): If you need a balanced experience with a good display and modern features, the Xiaomi Redmi Note 12S presents good value, but note that it lags in performance.
  • Scenario 4 (Better Video): If you want to record high quality videos the OnePlus 9R is a better choice since it records in 4k with OIS.

My Choice

If I were choosing between these two phones, I would personally pick the OnePlus 9R. While the Redmi Note 12S has a better battery and screen protection, the OnePlus 9R has a significantly faster processor, higher refresh rate and superior camera quality. As someone who values performance for gaming and appreciates higher video quality, these advantages would be more important to me than slightly longer battery life and newer software out of the box. The 65W fast charging on the OnePlus also negates the battery disadvantage to an extent. Overall, the OnePlus 9R provides the superior performance, camera features, and smoother experience, which align better with my priorities.

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
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Bridging technical complexity with engaging, accessible narratives.