vivo V21 5G vs Samsung Galaxy A25 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 6, 2021 December 16, 2023
Release Year 2021 2023

Physical

Volume 86.15 cm³ 102.23 cm³
Screen Size to Weight Ratio 3.66 "/g 3.3 "/g
Weight 176 g 197 g
Height 159.7 mm 161 mm
Width 73.9 mm 76.5 mm
Thickness 7.3 mm 8.3 mm
Foldable Design No No
Available Colors
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle
  • Brave Black
  • Optimistic Blue
  • Personality Yellow
  • Fantasy Blue

Display

Screen Size 6.44 " 6.5 "
Resolution 1080 x 2400 1080 x 2340
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 84.8 % 84.2 %
Pixel Density 409 PPI 396 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 500 nits N/A
HBM Brightness N/A 1000 nits
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 48.91 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Exynos 1280 (5 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC3 Mali-G68

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 14
Maximum OS Version 18

Comparison Summary

1. Specifications Comparison

Featurevivo V21 5GSamsung Galaxy A25Practical Impact
Design
Dimensions159.7 x 73.9 x 7.3 mm161 x 76.5 x 8.3 mmA25 is slightly larger, heavier, and thicker, which can impact one-handed use and pocket comfort. V21 is more portable
Weight176g197gV21 is noticeably lighter, making it more comfortable for extended use.
Display
Size6.44"6.5"Negligible difference in screen size for most use cases.
Resolution1080 x 24001080 x 2340Both are very sharp; insignificant real-world difference.
PPI409396Very similar pixel density; both provide sharp text and images.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and good contrast; similar viewing experience.
Refresh Rate90Hz120HzA25 offers slightly smoother animations and scrolling, better for gaming and fast-paced content.
Brightness0 nits (Unspecified)1000 nitsA25 offers significantly better visibility in bright sunlight.
Performance
ChipsetMediatek Dimensity 800U (7nm)Exynos 1280 (5nm)A25's newer 5nm chipset provides better power efficiency and performance for demanding tasks.
AnTuTu Score343,150480,688A25 has noticeably better performance, resulting in faster app loading, smoother multitasking, and better gaming performance.
GPUMali-G57 MC3Mali-G68A25's GPU offers better graphics performance, especially in gaming.
Battery
Capacity4000mAh5000mAhA25 has significantly larger battery, likely offering longer battery life.
Charging33W Fast Charging25W Fast ChargingV21 charges faster, allowing for quicker top-ups.
Camera
Standard Camera64MP, f/1.7950MP, f/1.8V21 has higher resolution, while both have wide aperture for better low-light performance.
Selfie Camera44MP, f/2.013MP, f/2.2V21 has significantly higher resolution for detailed selfies, also with wider aperture for better low-light selfies.
Wide Angle Lens8MP, f/2.28MP, f/2.2Similar wide angle camera performance.
Portrait ModeN/A2MP, f/2.4A25 has a dedicated depth sensor for portrait mode, allowing for better bokeh effects.
Macro Lens2MP, f/2.4N/AV21 has a dedicated macro lens for close-up shots.
Video4K@30fps w/ OIS, 1080p@60fps w/OIS4K@30fps w/ EIS, 1080p@30fps w/EISV21 has Optical Image Stabilization while A25 has Electronic Image Stabilization; V21 has more robust options
DXOMark ScoreN/A92 (Mobile), 98 (Photo), 94(Video)A25 has a tested camera performance, scoring well, while V21 has no readily available camera testing scores.
Software
OSAndroid 11Android 14A25 comes with a more recent Android version, offering better security, features, and longer software support.
Connectivity
Wi-Fi802.11ac802.11acBoth have comparable Wi-Fi speeds.
Bluetooth5.15.3A25 has newer Bluetooth with potentially more features.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, QZSS, GalileoA25 has broader satellite system support for better GPS accuracy.
SIMDual Nano SIMDual Nano SIMBoth support dual SIMs.
Storage
Internal Storage128GB/256GB128GB/256GBSimilar storage options.
RAM8GB6GB/8GBV21 offers standard ram of 8GB, where A25 has options for 6GB or 8GB.
Expandable StorageNoNoNeither phone supports external storage.
Audio
QualityBasic audio featuresDolby Atmos, Stereo SpeakersA25 offers better audio with Dolby Atmos and stereo speakers for a more immersive experience.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorA25's side-mounted sensor is typically faster and more convenient.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass 5A25 offers significantly better screen protection against scratches and drops.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Accelerometer, Gyroscope, Hall, Geomagnetic, Ultrasonic proximity virtualA25 has a broader sensor array; V21 has a traditional proximity and compass sensor

2. Key Differences Analysis

vivo V21 5G Advantages:

  • Lighter and Thinner: More comfortable for extended use and pocket-friendly.
  • Faster Charging: 33W charging is quicker than the A25's 25W.
  • Higher Resolution Front Camera: 44MP front camera provides superior selfies with better low-light performance.
  • Optical Image Stabilization in Videos: Offers superior video stability with OIS in video recording

Practical Implications: The V21 5G is designed for users who value portability, quick charging, and high-quality selfies and vlogging, offering OIS video.

Samsung Galaxy A25 Advantages:

  • Newer Chipset (Exynos 1280): Offers significantly better performance and efficiency.
  • Larger Battery: Provides longer battery life, reducing the need to charge frequently.
  • 120Hz Refresh Rate: Smoother animations and better for fast-paced content.
  • Higher Brightness: Much better outdoor visibility.
  • Stereo Speakers and Dolby Atmos: Superior audio experience.
  • Newer Android Version: Comes with Android 14, ensuring better software support.
  • Screen Protection: Corning Gorilla Glass 5 for better scratch and drop protection.
  • Broader Satellite Support: QZSS support for better location accuracy in certain regions.

Practical Implications: The A25 is designed for users who prioritize performance, battery life, a better visual experience, and good sound quality, with robust screen protection.

Trade-offs:

  • The V21 5G is less powerful but has a better selfie camera and OIS video.
  • The A25 has significantly better performance and battery life, but is heavier and thicker.

3. User Profiles & Recommendations

vivo V21 5G Ideal User:

  • Selfie Enthusiasts: Those who prioritize high-resolution and low-light front-facing camera quality for photos and videos.
  • Portability Focused: Users who value a lightweight and slim phone.
  • Fast Charging Users: People who prefer quick charging for convenience.
  • Vlogging: Users who need OIS in videos.

Use Cases:

  • Taking high-quality selfies and front-facing videos.
  • Daily commuting, easily fitting into a pocket.
  • Quickly topping up battery before leaving home.
  • Recording smooth, stable videos on the go.

Samsung Galaxy A25 Ideal User:

  • Performance Seekers: Users who demand smoother multitasking and gaming.
  • Battery Life Prioritizers: People who need all-day battery without frequent charging.
  • Multimedia Consumers: Users who enjoy watching videos and listening to music.
  • Outdoor Users: Those needing a bright screen for use in sunlight.
  • Those looking for a robust, modern smartphone with longevity
  • Those looking for a well-rounded mobile experience

Use Cases:

  • Playing graphics-intensive games smoothly.
  • Long days out without needing a charger.
  • Watching movies and videos with good audio.
  • Using the phone outdoors on sunny days.

4. Decision Framework

Key Questions for Buyers:

  1. Do I prioritize front camera quality and vlogging or overall performance and battery life? (V21 5G excels in selfies; A25 excels in performance)
  2. Is portability or battery endurance more important for my daily use? (V21 5G is lighter; A25 has a larger battery)
  3. Do I value a brighter screen and stereo speakers more than faster charging? (A25 has better display and sound; V21 5G charges quicker)

Scenario-Based Recommendations:

  • For Social Media Content Creators (especially selfies and front-facing videos): If you prioritize high-quality selfies and OIS vlogging on the go, and are okay with a slightly older chipset, the vivo V21 5G is a better choice.
  • For Gamers and Heavy Users: If smooth gaming, longer battery life, a brighter screen, and stereo speakers are crucial, the Samsung Galaxy A25 is the superior option.
  • For Everyday Users: If you want a well-rounded, more modern device with the newest version of Android and great value for the money, the Samsung Galaxy A25 is the more advisable choice.

My Choice:

I would choose the Samsung Galaxy A25. While the Vivo V21 5G has a great front camera and faster charging, the A25's strengths align better with my typical usage patterns. I prioritize overall performance for multitasking and gaming, a longer battery life so I'm not constantly worried about charging, a bright screen that is easily visible outdoors, and a more modern Android version with software support for a longer period of time. Also, the stereo speakers and the added screen protection are important factors that add to the value and experience offered by the A25.

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.