OnePlus 9 vs OnePlus Nord N20 SE - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus

General

Launch Date March 26, 2021 August 8, 2022
Release Year 2021 2022

Physical

Volume 103.29 cm³ 98.28 cm³
Screen Size to Weight Ratio 3.41 "/g 3.51 "/g
Weight 192 g 187 g
Height 160 mm 163.8 mm
Width 74.2 mm 75 mm
Thickness 8.7 mm 8 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Blue Oasis
  • Celestial Black

Display

Screen Size 6.55 " 6.56 "
Resolution 1080 x 2400 720 x 1612
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.2 % 84.2 %
Pixel Density 402 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 480 nits
HBM Brightness N/A 600 nits
Peak Brightness 1100 nits N/A

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 116.19 mAh/in²
Battery Density 43.57 mAh/cm³ 50.88 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes No
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek MT6765G Helio G35 (12 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Adreno 660 PowerVR GE8320

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 13

Comparison Summary

Smartphone Comparison: OnePlus 9 vs. OnePlus Nord N20 SE

1. Specifications Comparison

FeatureOnePlus 9OnePlus Nord N20 SEPractical Impact
Design
Launch Date2021-03-262022-08-08OnePlus Nord N20 SE is newer by 4 months, 13 days
Dimensions160 × 74.2 × 8.7 mm163.8 × 75 × 8 mmNord N20 SE is slightly taller and less thick, 9 is more compact overall.
Weight192g187gNord N20 SE is slightly lighter, might feel more comfortable during prolonged use.
Display
Size6.55"6.56"Nearly identical screen size.
Resolution1080x2400720x1612OnePlus 9 has a significantly sharper display, text and images appear clearer.
PPI402269OnePlus 9 has higher pixel density, leading to sharper images and text.
TechnologyAMOLEDIPS LCDOnePlus 9 offers better contrast, deeper blacks, and more vibrant colors; better for media consumption and dark mode.
Refresh Rate120Hz60HzOnePlus 9 has smoother scrolling and animations, making the user interface feel more responsive.
Brightness1100 nits0 nitsOnePlus 9 is much brighter, making it more usable under direct sunlight.
Performance
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Mediatek MT6765G Helio G35 (12 nm)OnePlus 9 has a much more powerful chipset, offering faster performance in all tasks, especially gaming and demanding apps.
AnTuTu Score880,900221,000OnePlus 9 is significantly faster, handling heavy tasks and gaming smoothly.
GPUAdreno 660PowerVR GE8320OnePlus 9's GPU provides better graphics performance, particularly for gaming.
Battery
Capacity4500mAh5000mAhNord N20 SE has slightly larger battery, potentially offering longer battery life.
Charging65W Fast Charging33W Fast ChargingOnePlus 9 charges significantly faster, reducing downtime.
Features15W Wireless ChargingNon-removableOnePlus 9 has the added convenience of wireless charging.
Camera
Rear (Standard)48MP, f/1.79, 1/1.4" Sony IMX68950MP, f/1.8, 1/2.76" Samsung S5KJN1OnePlus 9 has a larger sensor and wider aperture, generally better low-light performance.
Front (Selfie)16MP, f/2.4, 1/3.13" Sony IMX4718MP, f/2.0, 1/4" Omnivision OV08D10OnePlus 9 has a higher resolution and larger sensor, resulting in better overall selfie quality.
Wide Angle Lens50MP, f/2.2, 1/1.56" Sony IMX766Not AvailableOnePlus 9 allows for capturing ultrawide shots.
Portrait ModeNot Available2MP, f/2.4Nord N20 SE has a dedicated depth sensor for portrait mode.
Black & White Lens2MP, f/2.4Not AvailableOnePlus 9 offers a dedicated monochrome lens.
VideoUp to 8K@30fps1080p@30fpsOnePlus 9 offers significantly higher video recording capabilities for high-quality content creation.
DxOMarkNot AvailableNot AvailableNo DxOMark score for either phone, making camera performance comparisons more challenging.
Features4K/8K, Triple cam, digital/ultra stable, PDAF/CDAF, 12 bit RAW, nightmodeDigital, Dual cam, digital image stabilization, PDAF/CDAFOnePlus 9 has features like higher quality video recording and advanced settings for professional photography.
Software
OSAndroid 11 (upgradable to 13)Android 12Nord N20 SE is shipped with a newer version of Android.
Connectivity
Wi-FiWiFi 6 (802.11ax)802.11acOnePlus 9 has a newer Wi-Fi standard for potentially faster internet speeds and better performance on crowded networks
Bluetooth5.25.3Nord N20 SE has a slightly newer Bluetooth version.
GPSGPS (L1+L5), BeiDou (B1), Galileo (E1+E5a), BeiDou (B2)GPS, A-GPS, GLONASS, Beidou, QZSS, GalileoOnePlus 9 provides more precise and consistent location tracking with additional satellite systems support.
SIMDual Nano SIMDual Nano SIMBoth phones support Dual SIM functionality.
Storage
Internal128GB/256GB64GB/128GBOnePlus 9 offers more internal storage options.
RAM8GB/12GB4GBOnePlus 9 is much better for multitasking and running heavy apps.
ExpandableNoNoNeither phone supports external storage.
Audio
QualityDolby Atmos, Stereo Speakers, 3 micsStereo SpeakersOnePlus 9 offers enhanced audio through Dolby Atmos and better microphone setup for clearer calls and recordings
Security
FeaturesBasic fingerprint sensorSide-mounted fingerprint sensorSide-mounted sensors are generally faster and more convenient than basic sensors.
Build Quality
Screen ProtectionCorning Gorilla Glass 5UnknownOnePlus 9's screen is more resistant to scratches and damage.
SensorsAccelerometer, Compass, GyroscopeAccelerometer, Gyroscope, Gravity, GeomagneticOnePlus 9 has a compass for better navigation, OnePlus Nord N20 SE has additional gravity and geomagnetic sensors, which are not always useful to every user.

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Superior Display: AMOLED with 120Hz refresh rate, higher resolution, and significantly higher brightness. Practical impact: Better viewing experience for media, gaming, and outdoor use.
  • Much Faster Performance: High-end Snapdragon 888 chipset. Practical impact: Smoother multitasking, faster app loading, and better gaming experience.
  • Advanced Camera System: Higher-quality main sensor, wide-angle lens, better video recording, and additional features. Practical impact: Better photos in various conditions and professional-grade video.
  • Faster Charging & Wireless Charging: 65W fast charging and 15W wireless charging. Practical impact: Faster recharges and added convenience.
  • Enhanced Audio: Dolby Atmos, stereo speakers, and 3 microphones for improved audio experience and call quality.
  • Better Wi-Fi: WiFi 6 for faster, more stable connections.
  • Higher RAM Options: Up to 12GB of RAM for better multitasking and demanding apps.
  • Superior Build Quality: Corning Gorilla Glass 5 for better screen protection

OnePlus Nord N20 SE Advantages:

  • Larger Battery Capacity: 5000mAh battery for potentially longer battery life. Practical impact: Slightly extended time between charges.
  • Newer Bluetooth Version: Bluetooth 5.3 offering slight advantage in energy consumption and range.
  • Side-mounted Fingerprint Scanner: More convenient than in-display fingerprint scanners.
  • Lower Price: Generally more affordable, making it a budget-friendly option.

Significant Trade-offs:

  • OnePlus 9: Higher price point.
  • OnePlus Nord N20 SE: Significantly lower performance, inferior display, basic camera system, and slower charging.

3. User Profiles & Recommendations

OnePlus 9 Ideal User:

  • Power Users: Gamers, heavy multitaskers, and users who demand top performance.
  • Media Enthusiasts: Users who prioritize a high-quality display for video and gaming.
  • Photography & Videography Enthusiasts: Users who need advanced camera capabilities.
  • Users who value premium features and build quality: Want the best display, performance, and convenience (wireless charging)

  • Use Cases:

    • Playing demanding mobile games
    • Video editing and creation
    • Watching high-resolution videos
    • Professional photography and video
    • Power users who need excellent performance

OnePlus Nord N20 SE Ideal User:

  • Budget-Conscious Buyers: Users who want an affordable smartphone with basic features.
  • Casual Users: People who mainly use their phones for calls, social media, and basic browsing.
  • Users who prioritize battery life: Those who need a device that can last a full day on a single charge.
  • Users who do not need the highest performance or camera quality

  • Use Cases:

    • Everyday tasks like calling, messaging, and browsing.
    • Social media consumption
    • Casual gaming
    • Users who prioritize battery life
    • Cost-conscious users who need a functional smartphone

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The price difference between these two phones is significant.
  2. How important is performance? Are you a gamer or a heavy user who needs a very fast phone?
  3. How important is display quality? Do you value high resolution, vibrant colors, and smooth refresh rates?

Scenario-Based Recommendations:

  • Scenario 1: Budget is limited, and I need a functional phone for basic tasks.
    • Recommendation: OnePlus Nord N20 SE. It's more affordable and will handle basic tasks well.
  • Scenario 2: I want the best display and performance for gaming, videos, and more demanding applications.
    • Recommendation: OnePlus 9. Its advanced display, powerful processor, and fast charging are worth the higher cost for heavy users.
  • Scenario 3: I take a lot of photos and videos, and want a very capable camera.
    *    **Recommendation:** OnePlus 9. Its superior camera system, with wide angle and high quality video capabilities makes it much more versatile for photography.
    
  • Scenario 4: I need a phone that has good battery life and will get me through the day without problems.
    • Recommendation: OnePlus Nord N20 SE. It's larger battery and lower power chipset will mean a slightly better battery life.

What I Would Choose and Why

Personally, I would choose the OnePlus 9. While the Nord N20 SE has the advantage of a larger battery and lower cost, the differences in screen quality, performance, and camera are too significant to ignore. As someone who values a smooth user experience, enjoys mobile gaming, and uses my phone for photography, the OnePlus 9's higher-end specs would provide a much more enjoyable experience. The faster charging and wireless charging are also a bonus, fitting well into a fast-paced lifestyle. Although it is older, it is still a superior phone in many crucial aspects. The price difference is justifiable considering the enhanced overall user experience and superior features that the OnePlus 9 offers.

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.