OnePlus 9 vs vivo V40 - Detailed Phone Comparison

Detailed Comparison

Specification
OnePlus 9
OnePlus 9
Oneplus
vivo V40
vivo V40
Vivo

General

Launch Date March 26, 2021 July 3, 2024
Release Year 2021 2024

Physical

Volume 103.29 cm³ 93.59 cm³
Screen Size to Weight Ratio 3.41 "/g 3.57 "/g
Weight 192 g 190 g
Height 160 mm 164.2 mm
Width 74.2 mm 75 mm
Thickness 8.7 mm 7.6 mm
Foldable Design No No
Available Colors
  • Winter Mist
  • Arctic Sky
  • Astral Black
  • Moonlight White
  • Stellar Silver (Titanium Grey)
  • Nebula Purple (Lotus Purple)
  • Ganges Blue
  • Sunglow Peach

Display

Screen Size 6.55 " 6.78 "
Resolution 1080 x 2400 1260 x 2800
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 87.2 % 90.1 %
Pixel Density 402 PPI 453 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1100 nits 4500 nits

Hardware

Battery Capacity per Screen Area 104.89 mAh/in² 119.65 mAh/in²
Battery Density 43.57 mAh/cm³ 58.76 mAh/cm³
Battery Capacity 4500 mAh 5500 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510)
GPU Adreno 660 Adreno 720

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 14
Maximum OS Version 13

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the OnePlus 9 and vivo V40, focusing on practical implications:

FeatureOnePlus 9vivo V40Practical Impact
Design
Launch Date2021-03-262024-07-03vivo V40 is significantly newer, likely offering more modern features and software support.
Dimensions160 × 74.2 × 8.7 mm, 192g164.2 × 75 × 7.6 mm, 190gvivo V40 is taller and thinner; OnePlus 9 has a slightly larger overall volume, while both phones have similar weight.
Display
Size6.55"6.78"vivo V40 offers a slightly larger display, offering more screen real estate for media and multitasking.
Resolution1080x24001260x2800vivo V40 has a noticeably sharper display with significantly more pixels.
Pixel Density (PPI)402453vivo V40's higher pixel density will result in a sharper and more detailed visual experience.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks typical of AMOLED.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1100 nits4500 nitsvivo V40 offers dramatically better outdoor visibility in bright sunlight.
Performance
ChipsetSnapdragon 888 (5nm)Snapdragon 7 Gen 3 (4nm)OnePlus 9's chipset offers slightly higher benchmark score while the vivo V40 uses a newer chipset with better efficiency.
AnTuTu Score880,900855,000Both phones offer very similar real-world performance; very comparable overall performance.
GPUAdreno 660Adreno 720vivo V40's Adreno 720 is newer and will offer slightly improved graphics performance.
Battery
Capacity4500mAh5500mAhvivo V40 has significantly larger battery, potentially offering much better battery life.
Charging65W Fast Charging80W Fast Chargingvivo V40 offers faster charging speeds, minimizing time spent tethered to an outlet.
Features15W Wireless ChargingNoneOnePlus 9 offers 15W wireless charging, a convenient feature for cable-free charging.
Camera
Main Camera48MP, f/1.79, 1/1.4" (Sony IMX689)50MP, f/1.88, 1/1.56" (Samsung GNJ)OnePlus 9 has a slightly larger sensor and wider aperture; vivo V40 has a slightly higher resolution sensor.
Selfie Camera16MP, f/2.4, 1/3.13" (Sony IMX471)50MP, f/2.0, 1/2.76" (Samsung S5KJN1)vivo V40 has significantly higher resolution sensor, and wider aperture.
Wide Angle Lens50MP, f/2.2, 1/1.56" (Sony IMX766)50MP, f/2.4, unknownOnePlus 9 has wider aperture for wide angle shots, enhancing low light performance. No sensor model specified for V40
Black & White Lens2MP, f/2.4NoneOnePlus 9 has a dedicated Black and White lens for creative effects.
VideoUp to 8K@30fpsUp to 4K@30fpsOnePlus 9 supports 8K video recording for more professional-grade video capture; vivo V40's 4K recording features OIS for better stability.
StabilizationEISOIS + EISvivo V40's OIS provides better stabilization for smoother, less shaky videos.
Features8K Video, RAW, Triple Camera, PDAFOIS, Dual CameraOnePlus 9 offers more advanced video capabilities like 8K, RAW and an additional camera, while the V40 offers OIS for more stable recording
Software
OSAndroid 11 (Upgradable to 13)Android 14vivo V40 has a more up-to-date Android version out of the box.
Connectivity
Wi-FiWi-Fi 6 with MIMOWi-Fi 6Both offer modern Wi-Fi standards, OnePlus 9 offers MIMO for enhanced performance in crowded wifi environments.
BluetoothBluetooth 5.2Bluetooth 5.4vivo V40 features a more modern Bluetooth version with improved efficiency and range.
SIMDual Nano SIMDual Nano SIM, eSIMvivo V40 offers eSIM support, providing more flexibility for multiple lines.
Storage
Internal128/256GB256/512GBvivo V40 offers more storage for users who require large amounts of data.
RAM8/12GB12GBBoth offer good RAM capacity, ensuring smooth multitasking.
ExpandableNoNoNeither phone allows for expandable storage, which may be a limitation for some users.
Audio
QualityDolby Atmos, Stereo SpeakersBasic Audio FeaturesOnePlus 9 has better overall audio quality and clarity thanks to Dolby Atmos support and dual speakers.
Security
FingerprintBasic Fingerprint SensorBasic Fingerprint SensorBoth offer standard fingerprint sensor technology for biometric security.
Build Quality
Screen ProtectionGorilla Glass 5UnknownOnePlus 9 offers the additional screen protection of Gorilla Glass 5 against scratches and falls.
Sensors
SensorsComprehensiveComprehensiveBoth phones provide a similar range of sensors suitable for a variety of applications.

2. Key Differences Analysis

OnePlus 9 Advantages:

  • Higher Video Recording Capabilities: Offers 8K video recording, which can be important for professional videography.
  • Wider Aperture main camera and Wide Angle Lens: Better low light image performance
  • Wireless Charging: Offers 15W wireless charging, a convenient feature.
  • Enhanced Audio Quality: Dolby Atmos, stereo speakers, and noise cancellation offer superior audio experience.
  • Gorilla Glass Protection: Corning Gorilla Glass 5 offers better screen scratch and drop protection.
  • More advanced camera features: 8K recording, RAW mode, triple camera.
  • More GPS systems: better and more accurate location tracking.

vivo V40 Advantages:

  • Newer Device: Launched significantly later, with newer hardware and software, likely offering longer support.
  • Significantly Brighter Display: Offers much better visibility in outdoor, bright sunlight conditions.
  • Significantly Larger Battery: Should offer significantly longer battery life, crucial for heavy users.
  • Faster Charging: 80W charging is quicker and reduces time plugged into a wall outlet.
  • Better Selfie Camera: Higher resolution and wider aperture for higher quality selfies.
  • More storage: Comes with either 256 GB or 512 GB
  • Newer Bluetooth Version: Better power efficiency, range and connectivity.
  • eSIM support: provides more flexibility and option for multiple lines.
  • OIS: Optical Image Stabilization for smoother and more stable video footage.

Trade-offs:

  • OnePlus 9 sacrifices battery life and brightness for wireless charging, more advanced video features and a more advanced audio system
  • vivo V40 sacrifices some of the advanced camera features, such as 8K video recording, for a newer device with more battery capacity and screen brightness.

3. User Profiles & Recommendations

OnePlus 9 Ideal User:

  • Video Enthusiasts: Users who prioritize high-resolution video recording (8K) and advanced video features.
  • Audiophiles: Users who value superior audio quality with Dolby Atmos and stereo speakers.
  • Wireless Charging Fanatics: Individuals who value wireless charging convenience.
  • Creative photographers: Users who enjoy having more camera modes, and the ability to record RAW photos.

Use Cases:

  • Professional video creation and social media content generation.
  • Immersive multimedia consumption and gaming with excellent audio.
  • Everyday use with wireless charging convenience.
  • Photography enthusiasts who enjoy creative image taking.

vivo V40 Ideal User:

  • Outdoor Users: Individuals who need excellent screen visibility under direct sunlight.
  • Heavy Users: Users who require long battery life and fast charging for intensive usage.
  • Selfie Enthusiasts: Users who prioritize quality selfies with a high-resolution camera.
  • Users who prioritize a newer device: Users who like to have a modern phone with the latest technology.

Use Cases:

  • All-day use with heavy multitasking and gaming.
  • Outdoor activities where a bright screen is essential.
  • Frequent photography with a focus on selfies and clear videos.
  • Travelers who need extended battery life and easy digital carrier switching with eSIM support.

4. Decision Framework

Key Questions for Buyers:

  1. Do you prioritize video quality and advanced camera features (8K recording, RAW photos) or battery life and outdoor screen visibility?
  2. Is wireless charging essential, or do you prefer having a bigger battery and faster charging?
  3. Is it more important to have a newer phone with the latest software and features, or are you okay with an older phone for advanced video and audio experience?

Scenario-Based Recommendations:

  • Scenario 1: Video Creator & Audiophile: If you need 8K video, RAW photos, enhanced audio, and wireless charging, the OnePlus 9 is the better choice.
  • Scenario 2: Heavy Mobile User: If you prioritize a long-lasting battery, fast charging, a bright display, and a better selfie camera the vivo V40 is the better option.
  • Scenario 3: Balanced Everyday User: If your needs are balanced between performance, screen quality, and battery, consider the V40 for its newer technology and better battery and screen.

My Choice

Given my priorities, I would choose the vivo V40. While the OnePlus 9 has an appealing video and audio setup with its 8K recording, Dolby Atmos, and wireless charging, the V40's advantages in practical use, such as much better battery life, a brighter screen for outdoor visibility, and faster charging, along with the benefit of a newer device, are more important to me. As a user who often uses a phone for long periods throughout the day, I find that a reliable battery, a screen visible in bright sunlight, and faster charging are crucial elements for a satisfying user experience.

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.

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