vivo V21 5G vs Samsung Galaxy A03s - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 6, 2021 August 18, 2021
Release Year 2021 2021

Physical

Volume 86.15 cm³ 113.41 cm³
Screen Size to Weight Ratio 3.66 "/g 3.32 "/g
Weight 176 g 196 g
Height 159.7 mm 164.2 mm
Width 73.9 mm 75.9 mm
Thickness 7.3 mm 9.1 mm
Foldable Design No No
Available Colors
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle
  • Black
  • Blue
  • White

Display

Screen Size 6.44 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.8 % 81.8 %
Pixel Density 409 PPI 270 PPI
Refresh Rate 90 Hz N/A
Typical Brightness 500 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 96.45 mAh/in² 118.34 mAh/in²
Battery Density 46.43 mAh/cm³ 44.09 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Mediatek MT6765 Helio P35 (12 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Mali-G57 MC3 PowerVR GE8320

Connectivity

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

Software

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

Comparison Summary

1. Specifications Comparison

Featurevivo V21 5GSamsung Galaxy A03sPractical Impact
Design
Dimensions159.7 x 73.9 x 7.3 mm164.2 x 75.9 x 9.1 mmV21 5G is more compact, thinner and lighter making it easier to handle and more pocketable. The A03s is larger and bulkier, which might be less comfortable for extended use.
Weight176g196gV21 5G is noticeably lighter, enhancing comfort during prolonged use. A03s might feel heavier after a while.
Display
Size6.44"6.5"Negligible size difference. Both offer ample screen space.
Resolution1080 x 2400720 x 1600V21 5G offers a much sharper and clearer display with noticeably more detail compared to the A03s which will have a fuzzier display.
Pixel Density (PPI)409270V21 5G provides a significantly crisper image, making text and images appear sharper. A03s display will look less detailed.
TechnologyAMOLEDPLS LCDV21 5G has superior display quality with deeper blacks, better contrast, vibrant colors and better power efficiency for dark themes. The A03s has a more basic display with less contrast and color accuracy.
Refresh Rate90Hz60HzV21 5G offers smoother scrolling and animations for a more fluid user experience. A03s may appear slightly less smooth in fast-paced content.
Brightness0 nits0 nitsBoth phones have the same unknown peak brightness, the user should check in person before purchasing if brightness is important.
Performance
ChipsetMediatek Dimensity 800U (7 nm)Mediatek MT6765 Helio P35 (12 nm)V21 5G has a much more powerful and efficient chipset, offering significantly faster performance and better power efficiency. A03s is suitable only for very basic tasks.
AnTuTu Score343,150117,049V21 5G delivers substantially superior performance, suitable for gaming, and demanding applications. A03s performance is limited to basic tasks with lag on anything beyond basic use.
GPUMali-G57 MC3PowerVR GE8320V21 5G has a more powerful GPU, offering superior graphics performance. A03s is more basic in terms of graphical capabilities.
Battery
Capacity4000mAh5000mAhA03s has a larger battery, potentially offering longer battery life. However, real-world usage depends on factors like processor efficiency, and can be impacted by the lower chipset efficiency.
Charging33W Fast Charging, Li-PolymerLi-IonV21 5G supports fast charging, significantly reducing charging time. A03s has standard charging only.
Camera
Rear Camera64MP (f/1.79) + 8MP (f/2.2) + 2MP (f/2.4)13MP (f/2.2) + 2MP(f/2.3)+ 2MP (f/2.4)V21 5G has a far superior main camera with much higher resolution and a wider aperture, offering better image quality, better low light and more detail. A03s has a basic camera setup.
Front Camera44MP (f/2.0)5MP (f/2.0)V21 5G's front camera captures significantly more detailed selfies with higher resolution. The A03s front camera is very basic.
Video4K@30fps with OIS, 1080p@60/30fps with OIS1080p@30fpsV21 5G offers higher-resolution video recording with stabilization for smoother footage. A03s only has basic video recording capabilities with no image stabilization.
Camera FeaturesOIS, PDAF, Front Flash, 4K VideoStandard FeaturesV21 5G has more robust camera features, providing much higher image quality, particularly in low light conditions, and with features to improve video quality. A03s is basic, limited to standard camera features.
Software
OSAndroid 11Android 11 (upgradable to 12)Both phones have Android 11 out of the box. The A03s has a software upgrade to Android 12 for updated features and security.
Connectivity
WiFi802.11a/b/g/n/ac802.11b/g/nV21 5G supports faster and more reliable Wi-Fi standards. A03s has more basic standards with less speed.
Bluetooth5.1 (A2DP, LE, APT-x, LDAC, SBC)5.0 (A2DP, LE)V21 5G offers a newer Bluetooth standard with more advanced audio codecs for better sound quality and stability.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASSV21 5G offers more satellite systems for better location accuracy.
Storage
Internal Storage128 GB or 256 GB32 GB or 64 GBV21 5G provides significantly more storage, useful for users with large media libraries or lots of apps. A03s may require external storage (which it doesn't have).
RAM8 GB3 GB or 4 GBV21 5G has more RAM, resulting in better multitasking performance and faster app loading.
Expandable StorageNoNoNeither phone offers expandable storage
Security
Fingerprint SensorBasic In-displaySide-MountedA03s has a more convenient side-mounted fingerprint scanner. The vivo V21 5G has a basic in-display sensor which may be slower or less reliable.
SensorsBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, GyroscopeBiometric: Fingerprint; Proximity: Proximity; Motion: AccelerometerV21 5G has additional sensors including a Compass and Gyroscope for advanced features like gaming. The A03s is more basic with limited sensor capabilities.

2. Key Differences Analysis

vivo V21 5G Advantages:

  • Superior Display: AMOLED screen with higher resolution, better colors, and 90Hz refresh rate for a much more immersive and fluid experience.
  • Significantly Higher Performance: Much more powerful processor and GPU that handle multitasking, gaming, and resource-intensive apps with ease.
  • Better Cameras: Higher-resolution main and front cameras with a wider aperture, leading to better image quality, especially in low light. It has OIS for video recording which is beneficial in low-light situations.
  • Faster Charging: 33W fast charging significantly reduces battery charging times.
  • More Storage and RAM: Offers 128GB or 256GB storage and 8GB of RAM for much better performance and space.
  • Advanced Connectivity: Supports more WiFi standards, newer Bluetooth version, and more satellite navigation systems for better connectivity and location accuracy.

Samsung Galaxy A03s Advantages:

  • Larger Battery: Higher capacity battery, potentially offering longer battery life depending on usage scenarios.
  • Side-mounted Fingerprint Scanner: A more convenient and faster fingerprint scanner.
  • Software Upgrade: Has an option to upgrade to Android 12 with the latest features and security.

Trade-offs:

  • V21 5G: Smaller battery capacity than the A03s. No expandable storage.
  • A03s: Significantly lower performance, basic display, inferior cameras, and slower charging. No expandable storage.

3. User Profiles & Recommendations

vivo V21 5G:

  • Ideal User:

    • Users who prioritize performance for gaming, multitasking, and demanding applications.
    • Users who value a high-quality display for media consumption and everyday use.
    • Users who take lots of photos and videos and want higher quality cameras.
    • Users who want faster charging speeds and more RAM for better performance.
    • Users who want more internal storage as they will have to live without expandable storage.
  • Use Cases:

    • Gaming
    • Streaming high-resolution videos.
    • Photography and videography
    • Resource-intensive productivity tasks.

Samsung Galaxy A03s:

  • Ideal User:

    • Users with basic smartphone needs like calling, texting, and browsing.
    • Users who prioritize battery life over performance and display quality.
    • Users on a tight budget seeking a functional device.
    • Users who don't mind a slightly heavier device.
  • Use Cases:

    • Basic communication
    • Light web browsing.
    • Simple social media usage
    • Extended usage on the go.

Price-to-Value:

  • The vivo V21 5G is a premium mid-range phone offering a much more significant value due to its superior display, powerful performance, better cameras, and features.
  • The Samsung Galaxy A03s is an entry-level phone, with basic functionality and may only offer a slightly longer battery life compared to the vivo phone. Its a functional device for very basic use cases at an affordable price.

4. Decision Framework

Key Questions for Buyers:

  1. What is my primary use case? (e.g., gaming, photography, basic use)
  2. How much do I value performance and display quality?
  3. Is a large battery or fast charging more important?

Scenario-Based Recommendations:

  • Scenario 1: Performance and Display Priority. If you want a smooth experience with a high-quality display for gaming and video streaming, the vivo V21 5G is the clear winner.

  • Scenario 2: Budget and Basic Use. If budget is the primary constraint and you only need a phone for basic tasks, the Samsung Galaxy A03s can suffice.

  • Scenario 3: Long Battery Life. If battery life is a top priority and you are okay with compromises in other areas, the Samsung Galaxy A03s might be acceptable, although the performance is very basic.

My Choice

If I had to choose between these two phones, I would unequivocally choose the vivo V21 5G. While the Samsung Galaxy A03s offers a larger battery, the vivo V21 5G's advantages in nearly every other aspect are too significant to ignore. The vastly superior display quality with AMOLED and 90Hz refresh rate is a game-changer for everyday use and media consumption.

Furthermore, the enormous leap in performance provided by the Dimensity 800U chipset, coupled with 8GB of RAM, would ensure a much smoother and more responsive user experience. I'd be more comfortable knowing that I can use the phone without stuttering or slowdown, and also have the capabilities to take better photos and videos.

The significantly better camera system with its higher-resolution sensors, OIS, and improved video capabilities is also very important for me. I would be happy to give up the slightly larger battery capacity of the A03s for all the other benefits of the vivo V21 5G.

The faster charging is another significant convenience and time-saver. It helps balance the slightly smaller battery capacity. While the lack of expandable storage is a drawback, the 128GB or 256 GB of internal storage on the vivo V21 5G is enough for most users. The advanced connectivity features are also important for me.

In short, the vivo V21 5G is a more well-rounded device that provides significantly more value. The Samsung Galaxy A03s, on the other hand, is very basic and will feel slow and unrefined for most tasks. While the A03s is cheaper, the performance and features would frustrate me in the long run and I would always wish I had purchased a better phone.

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.