OnePlus 9 Pro vs Xiaomi Redmi A1+ - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9 Pro
OnePlus 9 Pro
Oneplus

General

Launch Date March 30, 2021 September 23, 2022
Release Year 2021 2022

Physical

Volume 104.5 cm³ 115.25 cm³
Screen Size to Weight Ratio 3.4 "/g 3.4 "/g
Weight 197 g 192 g
Height 163.2 mm 164.9 mm
Width 73.6 mm 76.8 mm
Thickness 8.7 mm 9.1 mm
Foldable Design No No
Available Colors
  • Forest Green
  • Morning Mist
  • Stellar Black
  • Black
  • Light Blue
  • Light Green

Display

Screen Size 6.7 " 6.52 "
Resolution 1440 x 3216 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.9 % 81 %
Pixel Density 525 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 400 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 117.62 mAh/in²
Battery Density 43.06 mAh/cm³ 43.39 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek MT6761 Helio A22 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 Quad-core 2.0 GHz Cortex-A53
GPU Adreno 660 PowerVR GE8320

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 microUSB 2.0

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 14

Comparison Summary

Smartphone Comparison: OnePlus 9 Pro vs. Xiaomi Redmi A1+

1. Specifications Comparison

FeatureOnePlus 9 ProXiaomi Redmi A1+Practical Impact
Design
Launch Date2021-03-302022-09-23Xiaomi Redmi A1+ is significantly newer, potentially with longer software support.
Dimensions163.2 × 73.6 × 8.7 mm164.9 × 76.8 × 9.1 mmRedmi A1+ is slightly larger and thicker, might be less comfortable for one-handed use
Weight197g192gRedmi A1+ is slightly lighter, may feel marginally more comfortable for extended use.
Display
Size6.7"6.52"OnePlus 9 Pro has a slightly larger screen, better for immersive media consumption
Resolution1440x3216720x1600OnePlus 9 Pro has a much sharper display, significantly better for reading, viewing images/videos.
PPI525269OnePlus 9 Pro has a far more detailed and crisp display
TechnologyUnknownIPS LCDRedmi A1+ uses IPS LCD which offers good viewing angles and color accuracy; OnePlus 9 Pro display tech is unknown, so we can't directly compare.
Refresh Rate120Hz60HzOnePlus 9 Pro has smoother scrolling and animations, more fluid gaming
Brightness1300 nits0 nitsOnePlus 9 Pro has drastically better outdoor visibility in bright sunlight; the 0 nit rating for Redmi A1+ is likely a data error.
Performance
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Mediatek MT6761 Helio A22 (12 nm)OnePlus 9 Pro offers significantly faster processing, smoother multitasking, and better gaming.
AnTuTu Score877,60095,000OnePlus 9 Pro provides a substantially faster experience, suitable for demanding tasks; Redmi A1+ offers basic performance.
GPUAdreno 660PowerVR GE8320OnePlus 9 Pro has a significantly more powerful GPU, better for graphically intensive applications and games.
Battery
Capacity4500mAh5000mAhRedmi A1+ has a slightly larger battery, potentially longer battery life.
Charging65W Fast Charging10W Fast ChargingOnePlus 9 Pro charges much faster, significantly reducing downtime.
FeaturesReverse charging, Wireless charging 50W, REverse wireless chargingNoneOnePlus 9 Pro has wireless charging, which can be used as a powerbank with other devices
Camera
Standard Camera48MP, f/1.8, 1/1.43" Sony IMX7898MP, f/2.0OnePlus 9 Pro has a much higher resolution and wider aperture, better for detailed low-light photos.
Selfie Camera16MP, f/2.4, 1/3.13" Sony IMX4715MP, f/2.2OnePlus 9 Pro offers higher detail in selfies, Redmi A1+ has slightly wider aperture
Telephoto Lens8MP, f/2.4, 1/4.4" Omnivision OV08A10NoneOnePlus 9 Pro offers optical zoom capabilities.
Wide Angle Lens50MP, f/2.2, 1/1.56" Sony IMX766NoneOnePlus 9 Pro offers a dedicated wide-angle lens for broader perspectives.
Black & White Camera2MP, f/2.4NoneOnePlus 9 Pro has a dedicated black & white lens
VideoUp to 8K@30fps with HDR, EIS; Slow-motion: 480 fps1080p@30fps; Slow-motion: 30 fpsOnePlus 9 Pro records significantly higher quality videos and better slow-motion capabilities.
DxOMark ScoreMobile: 122; Photo: 124; Video: 118N/AOnePlus 9 Pro has a professional grade camera that is much higher quality according to DxOMark.
Camera Features4K/8K video, OIS, optical zoomDigital zoomOnePlus 9 Pro has advanced video/photo features
Software
OSAndroid 11 (upgradable to 14)Android 12Redmi A1+ ships with a newer version of Android; OnePlus 9 Pro is upgradable, providing longer software support.
Connectivity
Wi-Fi802.11a/b/g/n/ac/ax (WiFi 6)802.11a/b/g/nOnePlus 9 Pro has faster Wi-Fi, better for streaming and gaming
Bluetooth5.2 LE5.0 LEOnePlus 9 Pro has a newer Bluetooth version, potentially better energy efficiency.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, BeidouOnePlus 9 Pro has more advanced GPS support, better accuracy.
SIMDual SIM Dual Standby (Nano SIM)Dual SIM Dual Standby (Nano SIM)Both phones have similar SIM capabilities.
Storage
Internal128GB/256GB32GBOnePlus 9 Pro has significantly more storage space
RAM8GB/12GB2GBOnePlus 9 Pro has significantly more RAM, better for multitasking
ExpandableNoNoBoth phones lack expandable storage.
Audio
QualityDolby Atmos, Stereo SpeakersBasicOnePlus 9 Pro offers better audio quality and immersive experience
Security
Fingerprint SensorBasicRear MountedBoth offer fingerprint based biometric security.
Build Quality
Screen ProtectionCorning Gorilla Glass 5UnknownOnePlus 9 Pro has superior screen protection
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Accelerometer, Ultrasonic proximity virtualOnePlus 9 Pro has a more comprehensive sensor suite

2. Key Differences Analysis

OnePlus 9 Pro Advantages:

  • Superior Display: Significantly higher resolution, pixel density, refresh rate, and brightness for a much sharper, smoother, and more vibrant viewing experience.
  • Flagship Performance: Much faster processor, GPU, and more RAM resulting in smoother multitasking, faster app loading, and superior gaming performance.
  • Advanced Camera System: Superior image quality with higher resolution sensors, optical zoom, and dedicated wide-angle and black & white lenses, along with 8K video recording capabilities.
  • Faster Charging: 65W fast charging drastically reduces charging times and offers wireless charging capabilities.
  • Enhanced Connectivity: Newer Wi-Fi and Bluetooth standards for faster data speeds and better connectivity.
  • Premium Audio: Dolby Atmos, stereo speakers for enhanced audio experience
  • Better Build Quality: Gorilla Glass 5 offers better protection

Xiaomi Redmi A1+ Advantages:

  • Potentially Longer Battery Life: Larger battery capacity that can potentially result in longer battery life depending on the usage.
  • Lower Price Point: Offers a budget-friendly option that prioritizes essential features.
  • Newer Android OS: The device ships with Android 12.

Trade-offs:

  • OnePlus 9 Pro: Higher price point, larger and slightly heavier.
  • Xiaomi Redmi A1+: Significantly lower performance, inferior display, basic camera system, slower charging, and limited connectivity options.

3. User Profiles & Recommendations

OnePlus 9 Pro:

  • Ideal Users: Power users, gamers, photography enthusiasts, media consumers who prioritize a premium experience and high performance.
  • Use Cases:
    • Gaming: Smooth gameplay, high frame rates, and excellent graphics.
    • Content Creation: Capturing high-quality photos and videos with advanced features.
    • Multitasking: Running multiple apps seamlessly without lag.
    • Media Consumption: Enjoying high-resolution content with vibrant colours and fluid motion.
    • Professional use: High-quality video calls, presentations, etc

Xiaomi Redmi A1+:

  • Ideal Users: Budget-conscious users, those who need a basic smartphone for calls, messaging, and basic social media.
  • Use Cases:
    • Basic Communication: Making calls, sending texts, and using basic messaging apps.
    • Light Social Media: Browsing social media feeds and sharing basic content.
    • Simple Productivity: Checking emails and using basic productivity apps.
    • Emergency backup phone: For users who have a primary phone but want a secondary option.

4. Decision Framework

Key Questions to Consider:

  1. What is your budget? If you are on a tight budget, the Redmi A1+ is the more affordable option. However, if budget isn't a big issue, then the OnePlus 9 Pro provides a much better experience.
  2. How important is performance and display quality to you? If you need a phone that offers a smooth experience for gaming and high-resolution content consumption, the OnePlus 9 Pro is the clear choice. If these are not a priority, then the Redmi A1+ will suffice.
  3. What are your camera needs? If you want high-quality photos and videos with advanced features, the OnePlus 9 Pro is significantly better. If you only take basic snapshots, the Redmi A1+ may be adequate.

Scenario-Based Recommendations:

  • Scenario 1 (Budget-Conscious): If you primarily need a phone for basic communication and you have a very tight budget, the Xiaomi Redmi A1+ is a functional option.
  • Scenario 2 (Balanced Use): If you're looking for a phone that has decent performance and basic features while keeping the price down, then consider if the Xiaomi Redmi A1+ suits your needs.
  • Scenario 3 (Premium Experience): If you want a flagship experience with top-tier performance, a high-quality display, and an advanced camera, then the OnePlus 9 Pro is the superior choice.

What I Would Choose and Why

Based on the comparison, I would choose the OnePlus 9 Pro. While the Xiaomi Redmi A1+ is the newer, more budget-friendly option, the user experience with OnePlus 9 Pro will be significantly superior. The drastic differences in display quality, processing power, camera capabilities, and charging speeds make the OnePlus 9 Pro a much better phone for my needs. The 120Hz refresh rate will provide a much smoother experience, the higher resolution will make reading and watching videos better, and the 65W charging is essential in reducing downtimes. Ultimately the better camera, the fast charging and more powerful processor are essential in daily use. I also value better build quality and connectivity, which the OnePlus 9 Pro offers. The additional cost is justifiable considering the jump in overall performance and experience.

While the Redmi A1+ is a usable phone, it is severely limited in all the aspects that I consider important in a modern smartphone.

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.