OnePlus 9 Pro vs Samsung Galaxy Z Flip4 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9 Pro
OnePlus 9 Pro
Oneplus

General

Launch Date March 30, 2021 August 25, 2022
Release Year 2021 2022

Physical

Volume 104.5 cm³ 81.96 cm³
Screen Size to Weight Ratio 3.4 "/g 3.58 "/g
Weight 197 g 187 g
Height 163.2 mm 165.2 mm
Width 73.6 mm 71.9 mm
Thickness 8.7 mm 6.9 mm
Foldable Design No Yes
Available Colors
  • Forest Green
  • Morning Mist
  • Stellar Black
  • Red
  • Yellow
  • Blue
  • White
  • Graphite
  • Navy
  • Pink Gold
  • Bora Purple
  • Khaki

Display

Screen Size 6.7 " 6.7 "
Resolution 1440 x 3216 1080 x 2640
Aspect Ratio 20:9 22:9
Screen-to-Body Ratio 89.9 % 85.4 %
Pixel Density 525 PPI 426 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits 1200 nits

Hardware

Battery Capacity per Screen Area 100.25 mAh/in² 82.42 mAh/in²
Battery Density 43.06 mAh/cm³ 45.15 mAh/cm³
Battery Capacity 4500 mAh 3700 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Adreno 660 Adreno 730

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 14 14

Comparison Summary

1. Specifications Comparison

FeatureOnePlus 9 ProSamsung Galaxy Z Flip4Practical Impact
Design
Form FactorStandardFoldableZ Flip4 offers unique, pocketable form factor. 9 Pro has a more traditional design.
Dimensions163.2 × 73.6 × 8.7 mm165.2 × 71.9 × 6.9 mmZ Flip4 is taller, narrower, and thinner when unfolded; 9 Pro is wider and thicker. Flip4 is more portable when folded.
Weight197g187gZ Flip4 is slightly lighter, making it potentially more comfortable for prolonged use.
Display
Size6.7"6.7"Identical screen size for both.
Resolution1440x32161080x26409 Pro has much sharper display, resulting in clearer text and images.
PPI5254269 Pro offers noticeably crisper visual experience due to higher pixel density.
TechnologyBoth phones use identical display technology.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animation.
Brightness1300 nits1200 nits9 Pro is slightly better for outdoor visibility in bright sunlight.
Performance
ChipsetQualcomm Snapdragon 888 5G (5 nm)Qualcomm Snapdragon 8+ Gen 1 (4 nm)Z Flip4's newer chip offers better performance and efficiency.
AnTuTu Score877,6001,050,371Z Flip4 will offer faster overall performance in apps and games.
GPUAdreno 660Adreno 730Z Flip4 will have better graphics performance in games and demanding apps.
Battery
Capacity4500mAh3700mAh9 Pro likely provides longer battery life due to larger capacity.
Charging65W fast charging25W fast charging9 Pro recharges significantly faster.
FeaturesReverse charging, Wireless charging 50W, REverse wireless chargingBypass Charging, Reverse charging, Fast charging 25W, 50% in 30 min, Fast wireless charging 15W, Reverse wireless charging 4.5W9 Pro has faster wireless charging, Z Flip4 has "bypass" charging and indicates time for 50% charge.
Camera
Main Camera48MP, 1/1.43" sensor12.2MP, 1/2.55" sensor9 Pro has higher resolution and larger sensor, suggesting better low-light and detail capture.
Selfie Camera16MP, 1/3.13" sensor10MP, 1/3.2" sensor9 Pro has a higher-resolution selfie camera.
Telephoto Lens8MPNone9 Pro has a dedicated telephoto lens for zoom capabilities.
Wide Angle Lens50MP, 1/1.56" sensor13MP, 1/3.06" sensor9 Pro has a higher resolution and larger sensor for ultra-wide photos.
Black & White Lens2MPNone9 Pro has a dedicated black and white lens.
VideoUp to 8K@30fpsUp to 4K@60fps9 Pro supports 8K recording, enabling higher quality videos. Both offer stabilization and slow motion.
DxOMark (Mobile)1221129 Pro scores better overall in DxOMark testing, but photo is better for the Z Flip4.
Camera FeaturesMore advanced options, including 8k video, optical zoom and RAWBasic modes, missing several features9 Pro provides wider set of photography and video features.
Software
OSAndroid 11 (upgradeable to 14)Android 12 (upgradeable to 14)Z Flip4 starts with a more recent Android version.
Connectivity
WiFi802.11a/b/g/n/ac/ax802.11a/b/g/n/ac/axBoth phones support similar standards.
Bluetooth5.25.19 Pro has a slightly newer Bluetooth version with more audio codecs.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, GalileoBoth offer similar location capabilities.
SIMDual Nano SIMDual Nano SIM + eSIMZ Flip4 offers eSIM support for flexibility.
Storage & RAM
Internal Storage128GB/256GB128GB/256GB/512GBZ Flip4 offers a 512GB option.
RAM8GB/12GB8GB9 Pro can be configured with more RAM.
Expandable StorageNoNoNeither phone supports microSD cards.
Audio
QualityDolby Atmos, Noise cancellation microphone, Stereo Speakers, 3 microphonesStereo Speakers9 Pro offers more advanced audio features.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorZ Flip4 offers a more modern side-mounted fingerprint sensor.
Build Quality
Screen ProtectionCorning Gorilla Glass 5Corning Gorilla Glass VictusZ Flip4 has superior scratch resistance.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerZ Flip4 includes an additional barometer sensor.

2. Key Differences Analysis

OnePlus 9 Pro Advantages:

  • Sharper Display: Higher resolution and pixel density offer a crisper visual experience.
  • Superior Camera System: Features a more versatile camera setup with higher resolution sensors, telephoto lens, and additional features. Better low-light performance due to larger sensors.
  • Faster Charging: Significantly faster wired charging (65W) and wireless charging (50W).
  • Larger Battery: Larger battery capacity, likely resulting in better battery life.
  • More Audio Features: Dolby Atmos, noise cancellation microphone and 3 microphones for better audio quality.
  • More RAM: 12GB option for demanding users.

Practical Implications: Ideal for users who prioritize top-tier image quality, video recording capabilities, and fast charging. The larger battery offers a comfortable day of use, and the higher resolution screen is good for content consumption.

Samsung Galaxy Z Flip4 Advantages:

  • Unique Foldable Design: Offers a compact, pocketable form factor and a distinctive user experience.
  • Newer Chipset: More powerful and efficient processor, leading to better overall performance.
  • More Storage Option: Offers a higher storage option (512 GB).
  • Better Screen Protection: Corning Gorilla Glass Victus for superior scratch resistance.
  • eSIM Support: Added convenience for digital carrier switching.
  • Side-Mounted Fingerprint Sensor: More convenient biometric sensor than basic.
  • Barometer: Additional sensor for environmental readings.

Practical Implications: Perfect for users valuing portability, modern design, and good performance. The folding design can offer a more interactive and unique smartphone experience.

Significant Trade-offs:

  • OnePlus 9 Pro: Lacks the portability of a folding phone, bulkier and heavier.
  • Samsung Galaxy Z Flip4: Inferior camera system, slower charging, and smaller battery capacity and potentially lower overall battery life.

3. User Profiles & Recommendations

OnePlus 9 Pro - Ideal User:

  • Photography Enthusiasts: Users who want a high-quality camera with versatile features, including zoom, and great low-light capabilities.
  • Power Users: People who need fast performance and value battery life for long days of use.
  • Media Consumers: Individuals who enjoy watching videos and consuming content with a sharp, vivid display.
  • Gamers: Users who prioritize higher resolutions and performance, and could use the extra RAM.

Specific Use Cases:

  • Professional photography and video recording
  • Gaming on the go
  • Streaming high-resolution content
  • Multitasking for work

Samsung Galaxy Z Flip4 - Ideal User:

  • Fashion-Conscious Users: People who value the unique, eye-catching foldable design.
  • Portability Seekers: Users who prioritize pocketability and easy carrying.
  • Social Media Creators: People who want a unique device for capturing content.
  • Casual Gamers: Users who are looking for a good overall performing device with modern features.

Specific Use Cases:

  • Quickly capturing social media content
  • Compact phone for pockets and bags
  • Taking unique photos and videos with flex mode
  • Everyday usage with style

Price-to-Value Ratio:

  • The OnePlus 9 Pro offers a higher value for users prioritizing camera quality, battery life, and display sharpness.
  • The Samsung Galaxy Z Flip4 is a better choice for users valuing the foldable design, good performance, and modern features.

4. Decision Framework

Key Questions for Buyers:

  1. Do you prioritize camera quality and versatility above all else? If so, the OnePlus 9 Pro is likely the better choice.
  2. Is a compact, foldable design a priority? The Samsung Galaxy Z Flip4 is the clear winner if portability and a unique design are preferred.
  3. How important is battery life and charging speed to you? The OnePlus 9 Pro has a larger battery and faster charging, making it ideal for power users.

Scenario-Based Recommendations:

  • Scenario 1: You are a photography enthusiast who wants the best camera possible and you don't mind a more traditional form factor. Recommendation: OnePlus 9 Pro.
  • Scenario 2: You value unique style, portability, and having a phone that’s a conversation starter. Recommendation: Samsung Galaxy Z Flip4.
  • Scenario 3: You prioritize battery life and fast charging above a folding design, Recommendation: OnePlus 9 Pro.
  • Scenario 4: You want the best processor, storage and modern form factor for a good all round phone. Recommendation: Samsung Galaxy Z Flip4.

My Choice

If I were choosing between these two phones, I would pick the OnePlus 9 Pro. My primary use case involves creating content, including photos and videos. The OnePlus 9 Pro’s superior camera system, with its larger sensors, higher resolution, telephoto lens and additional features, makes it a clear winner in this area. Furthermore, the faster charging and larger battery are appealing to me as a power user. Although the foldable design of the Samsung is very nice, the practicality and functionality of the camera and battery on the OnePlus outweighs that in my personal usage.

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.