Oppo A15 vs vivo V40 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A15
Oppo A15
Oppo
vivo V40
vivo V40
Vivo

General

Launch Date October 27, 2020 July 3, 2024
Release Year 2020 2024

Physical

Volume 97.69 cm³ 93.59 cm³
Screen Size to Weight Ratio 3.73 "/g 3.57 "/g
Weight 175 g 190 g
Height 164 mm 164.2 mm
Width 75.4 mm 75 mm
Thickness 7.9 mm 7.6 mm
Foldable Design No No
Available Colors
  • Dynamic Black
  • Mystery Blue
  • Moonlight White
  • Stellar Silver (Titanium Grey)
  • Nebula Purple (Lotus Purple)
  • Ganges Blue
  • Sunglow Peach

Display

Screen Size 6.52 " 6.78 "
Resolution 720 x 1600 1260 x 2800
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 83 % 90.1 %
Pixel Density 269 PPI 453 PPI
Refresh Rate N/A 120 Hz
Typical Brightness 480 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 4500 nits

Hardware

Battery Capacity per Screen Area 99.51 mAh/in² 119.65 mAh/in²
Battery Density 43.3 mAh/cm³ 58.76 mAh/cm³
Battery Capacity 4230 mAh 5500 mAh
NFC Support No Yes
Chipset Mediatek MT6765 Helio P35 (12 nm) Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)
CPU Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510)
GPU PowerVR GE8320 Adreno 720

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 14
Maximum OS Version

Comparison Summary

1. Specifications Comparison

FeatureOppo A15vivo V40Practical Impact
Design
Dimensions164 × 75.4 × 7.9 mm, 175g164.2 × 75 × 7.6 mm, 190gSimilar size, but Oppo A15 is lighter and slightly thicker. vivo V40 might feel more premium, while Oppo A15 is more comfortable for extended use.
FoldableStandardStandardBoth are standard smartphones.
Display
Size6.52"6.78"vivo V40 offers a slightly larger viewing area for media consumption and gaming.
Resolution720x16001260x2800vivo V40 provides a significantly sharper and more detailed picture, improving clarity for text, images, and videos.
PPI269453Noticeably sharper text and images on vivo V40.
TechnologyIPS LCDAMOLEDvivo V40 offers richer colors, deeper blacks, better contrast, and potentially better battery life with dark mode enabled.
Refresh Rate60Hz120HzSmoother scrolling, animations, and gaming experience on vivo V40.
Brightness0 nits4500 nitsvivo V40 offers significantly better outdoor visibility in bright sunlight.
Performance
ChipsetMediatek Helio P35 (12 nm)Snapdragon 7 Gen 3 (4 nm)vivo V40 delivers vastly superior performance for demanding apps, multitasking, and gaming. It's also more power-efficient.
AnTuTu Score113,000855,000vivo V40 provides a substantially smoother and more responsive user experience across all tasks.
GPUPowerVR GE8320Adreno 720vivo V40 offers significantly better graphics performance for gaming and other GPU-intensive applications.
Camera
Main Camera13MP, f/2.250MP, f/1.88, 1/1.56"vivo V40 captures significantly more detailed and higher-quality images, especially in low light.
Selfie Camera5MP, f/2.450MP, f/2.0, 1/2.76"vivo V40 takes much sharper and more detailed selfies.
Wide Angle LensNo50MP, f/2.4vivo V40 can capture wider scenes in a single shot.
Portrait Lens2MP, f/2.4NoOppo A15 offers a dedicated depth sensor for portrait mode, which might allow for slightly better background blur.
Macro Lens2MP, f/2.4NoOppo A15 can take close-up photos of small objects.
Video1080p@30fps4K@30fps (OIS, EIS)vivo V40 records much higher-quality videos with stabilization, resulting in smoother and more professional-looking footage.
Battery
Capacity4230mAh5500mAhvivo V40 offers significantly longer battery life, reducing the need for frequent charging.
Charging10W80Wvivo V40 charges much faster, minimizing downtime.
Software
OSAndroid 10Android 14vivo V40 benefits from the latest features, security updates, and performance optimizations of Android 14.
Connectivity
Wi-Fi802.11nWiFi 6 (802.11ax)vivo V40 supports faster and more reliable Wi-Fi connections, especially in crowded networks.
Bluetooth5.05.4vivo V40 offers improved Bluetooth connectivity and audio codec support.
SIMDual SIMDual SIM (Nano + eSIM)vivo V40 provides the flexibility of using an eSIM for a secondary line.
Storage
Internal32/128 GB256/512 GBvivo V40 offers significantly more storage for apps, photos, videos, and other files.
RAM2/3/4 GB12 GBvivo V40 handles multitasking and demanding apps much more smoothly.
ExpandableNoNoNeither phone supports expandable storage.
Security
FeaturesRear FingerprintFingerprint sensorBoth offer fingerprint security.
Build
Screen ProtectionCorning Gorilla Glass 3UnknownOppo A15 has known screen protection (Gorilla Glass 3). vivo V40 screen protection is unknown.

2. Key Differences Analysis

Oppo A15 Advantages:

  • Lighter Weight: At 175g, it's more comfortable for extended use.
  • Dedicated Depth and Macro Lenses: Offers specific photography options that the vivo V40 lacks.
  • Known Screen Protection: Corning Gorilla Glass 3 provides a level of scratch and impact resistance that the vivo V40's screen lacks confirmed information on.

vivo V40 Advantages:

  • Superior Display: AMOLED, higher resolution, higher refresh rate, and much higher brightness offer a significantly better viewing experience.
  • Significantly Faster Performance: The Snapdragon 7 Gen 3 chipset provides vastly improved performance for all tasks.
  • Much Better Camera System: Higher resolution sensors, a wide-angle lens, and 4K video recording capabilities result in far superior photo and video quality.
  • Longer Battery Life & Faster Charging: Larger battery and much faster charging provide greater convenience.
  • Newer Software: Android 14 offers the latest features, security updates, and performance improvements.
  • Better Connectivity: Supports newer Wi-Fi and Bluetooth standards.
  • More Storage and RAM: Provides significantly more space for files and smoother multitasking.

Trade-offs:

  • The vivo V40 is heavier than the Oppo A15.
  • The Oppo A15 lacks the advanced features and performance of the vivo V40.
  • The vivo V40 lacks the dedicated depth and macro lenses found on the Oppo A15.

3. User Profiles & Recommendations

Oppo A15 Ideal User:

  • Users on a very tight budget who primarily need a phone for basic communication (calls, texts).
  • Individuals who prioritize a lightweight phone over performance and advanced features.
  • People who value having dedicated depth and macro lenses for specific photography needs.

Use Cases:

  • Basic communication device.
  • Backup phone.
  • Device for users with limited technical needs.

vivo V40 Ideal User:

  • Users who want a high-performing phone with a great display and camera.
  • Individuals who enjoy mobile gaming, video streaming, and photography.
  • People who need a phone for both personal and professional use.

Use Cases:

  • Mobile gaming.
  • Photography and videography.
  • Professional tasks (email, document editing, video conferencing).
  • Media consumption (video streaming, social media).

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The Oppo A15 is significantly cheaper, but offers a vastly inferior experience.
  2. What are your primary uses for the phone? If it's just basic communication, the Oppo A15 might suffice. If you need performance, a good camera, and a great display, the vivo V40 is the clear choice.
  3. How important is portability? The Oppo A15 is lighter, which might be a factor for some users.

Scenario-Based Recommendations:

  • Scenario 1: Extreme Budget Constraint: If you absolutely cannot spend more, the Oppo A15 is your only option, but be aware of its limitations.
  • Scenario 2: Balanced Performance & Features: The vivo V40 offers a significantly better experience across the board and is the recommended choice for most users.
  • Scenario 3: Photography Enthusiast on a Budget: If dedicated depth and macro lenses are crucial and budget is a primary concern, the Oppo A15 might be considered, but the overall camera quality will be significantly lower than the vivo V40.

Which one would I choose?

I would choose the vivo V40. While the Oppo A15 has the advantage of being lighter and having dedicated depth and macro lenses, the vivo V40 offers a vastly superior experience in almost every other aspect. The significantly better display (AMOLED, higher resolution, 120Hz refresh rate, much higher brightness), the much faster performance (Snapdragon 7 Gen 3), the far superior camera system (50MP main and selfie cameras, wide-angle lens, 4K video recording with OIS), the longer battery life with faster charging, and the newer Android version (Android 14) make it the clear winner for me. The trade-off of a slightly heavier phone is well worth it for the substantial improvements in performance, display quality, and camera capabilities. I value having a phone that can handle demanding tasks smoothly, capture high-quality photos and videos, and provide a great viewing experience for media consumption, and the vivo V40 delivers on all these fronts.

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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Bridging technical complexity with engaging, accessible narratives.