vivo V21 5G vs Samsung Galaxy Z Flip6 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 6, 2021 July 24, 2024
Release Year 2021 2024

Physical

Volume 86.15 cm³ 81.91 cm³
Screen Size to Weight Ratio 3.66 "/g 3.58 "/g
Weight 176 g 187 g
Height 159.7 mm 165.1 mm
Width 73.9 mm 71.9 mm
Thickness 7.3 mm 6.9 mm
Foldable Design No Yes
Available Colors
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle
  • Black
  • Yellow
  • Blue
  • White
  • Mint
  • Peach
  • Silver Shadow

Display

Screen Size 6.44 " 6.7 "
Resolution 1080 x 2400 1080 x 2640
Aspect Ratio 20:9 22:9
Screen-to-Body Ratio 84.8 % 85.5 %
Pixel Density 409 PPI 426 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 500 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 2600 nits

Hardware

Battery Capacity per Screen Area 96.45 mAh/in² 89.11 mAh/in²
Battery Density 46.43 mAh/cm³ 48.84 mAh/cm³
Battery Capacity 4000 mAh 4000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) 8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520)
GPU Mali-G57 MC3 Adreno 750 (1 GHz)

Connectivity

USB Version 2.0 3.2
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, OTG USB Type-C 3.2, OTG

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version

Comparison Summary

1. Specifications Comparison

Featurevivo V21 5GSamsung Galaxy Z Flip6Practical Impact
Design
Form FactorStandardFoldableFoldable design allows for a more compact phone when closed, but with potential hinge durability concerns.
Dimensions159.7 × 73.9 × 7.3 mm165.1 × 71.9 × 6.9 mmThe Z Flip6 is slightly taller and thinner, while the V21 is wider and slightly thicker. The V21 has a larger overall volume.
Weight176g187gThe V21 5G is lighter, potentially more comfortable for extended holding.
Display
Size6.44"6.7"The Z Flip6 offers a slightly larger screen for more immersive viewing and content consumption.
Resolution1080x24001080x2640The Z Flip6 has a slightly higher resolution leading to sharper images, although the difference is minor.
Pixel Density409 PPI426 PPIBoth have similar sharpness; individual pixels will be very difficult to distinguish
TechnologyAMOLEDThe V21 has an AMOLED display offering superior contrast, deeper blacks and more vibrant colors compared to unknown display technology on Z Flip6.
Refresh Rate90Hz120HzThe Z Flip6 provides smoother scrolling and animations, enhancing the fluidity of the user interface.
Brightness0 nits0 nitsNo information available, cannot assess differences.
Performance
ChipsetMediatek Dimensity 800U (7 nm)Qualcomm Snapdragon 8 Gen 3 (4 nm)The Z Flip6 has a significantly more powerful and efficient chipset for demanding tasks, gaming and future-proofing.
AnTuTu Score343,1502,250,000The Z Flip6 demonstrates vastly superior performance, with substantially faster app loading, smoother multitasking and enhanced gaming experience.
GPUMali-G57 MC3Adreno 750The Z Flip6's GPU offers significantly better graphics performance.
Battery
Capacity4000mAh4000mAhBoth phones have the same capacity suggesting comparable battery life under similar usage.
Charging33W Fast Charging25W Fast Charging, 15W Wireless ChargingThe V21 5G charges faster with a 33W charger, while the Z Flip6 offers versatile wireless charging options and bypass charging which is useful for gaming.
FeaturesNon-removableBypass Charging, Reverse charging, Non-removable, Fast charging 25W, 50% in 30 min, Fast wireless charging 15W, Reverse wireless charging 4.5WThe Z Flip6 has more advanced battery management features, including wireless charging and reverse wireless charging.
Camera
Main Camera Resolution64MP f/1.7950MP f/1.8The V21 5G has a higher resolution sensor while the Z Flip6 has slightly narrower aperture.
Front Camera Resolution44MP f/2.010MP f/2.2The V21 5G has significantly higher resolution front camera for selfies.
Wide Angle Lens8MP f/2.212MP f/2.2The Z Flip6 offers slightly higher wide-angle resolution.
Macro Lens2MP f/2.4NoneV21 5G offers a dedicated macro lens for close-up shots.
Video4K@30fps with OIS, 1080p@30/60fps with OIS4K@30/60fps with HDR, 1080p@60/120/240fps with HDR, 720p@960fps with HDRThe Z Flip6 offers better high frame rate video and HDR, allowing for better video recording quality.
DxOMarkNot Tested132 (Mobile)Z Flip6 has a tested excellent overall score for its camera quality
Camera FeaturesTriple camera, Digital image stabilization, Ultra stable video, Front FlashDual camera, NPU AI Engine, Tracking AF, Noise reductionThe V21 5G offers more hardware features for camera while Z Flip6 focus on software processing and offers better video processing capabilities.
Software
OSAndroid 11Android 14The Z Flip6 has a much newer version of Android.
Connectivity
Wi-Fi802.11acWi-Fi 6 (802.11ax)The Z Flip6 supports faster and more efficient Wi-Fi.
Bluetooth5.15.3The Z Flip6 has a newer Bluetooth for more efficient, stable connections and greater range.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a)The Z Flip6 supports more satellite systems offering more accurate location tracking.
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM / eSIM + eSIM)The Z Flip6 offers eSIM support for more flexibility in carrier options, while the V21 supports 2 physical SIMs.
Storage
Internal128 GB or 256 GB256 GB or 512 GBThe Z Flip6 has a minimum of 256GB, with higher storage options.
RAM8 GB12 GBThe Z Flip6 has more RAM, allowing for better multitasking.
Expandable StorageNoNoNeither phone supports external storage.
Audio
QualityBasic audio featuresStereo SpeakersThe Z Flip6 offers richer and more immersive audio due to having stereo speakers.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorZ Flip6's side-mounted fingerprint scanner is more convenient and slightly faster than older types.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass Victus 2Z Flip6 has robust screen protection, while screen protection of the vivo is unknown.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, GyroscopeFingerprint, Proximity, Accelerometer, Compass, Gyroscope, Barometer, Gravity, Hall, GeomagneticThe Z Flip6 includes additional environmental and motion sensors, making it more versatile for gaming and apps.

2. Key Differences Analysis

vivo V21 5G Advantages:

  • Lighter and Thinner: The V21 5G is slightly lighter making it more comfortable for prolonged use.
  • Front Camera Resolution: The V21 5G has a significantly higher resolution front-facing camera making it great for selfie enthusiasts.
  • Faster Charging: The V21 5G charges faster with its 33W charger compared to the Z Flip6's 25W.
  • Macro Lens: The V21 5G offers a dedicated macro lens, while Z Flip6 lacks one for close-up shots.
  • Potentially lower price: The V21 5G is an older phone and will likely be more affordable.

Samsung Galaxy Z Flip6 Advantages:

  • Foldable Design: Offers a unique, compact form factor when folded for easy storage and portability, providing a different user experience.
  • Superior Performance: The Snapdragon 8 Gen 3 chipset provides vastly better processing power for all tasks.
  • Newer Software: The Z Flip6 runs on a much newer version of Android which implies better features and security.
  • Better Display: Offers a 120Hz refresh rate and potentially better display technology (not specified) leading to smoother animations and more immersive viewing.
  • Better Main Camera: The Z Flip6 has a better main camera with 50MP resolution and optical stabilization tested by DxOMark with a excellent score of 132.
  • Wireless Charging: Supports convenient wireless charging and reverse wireless charging.
  • eSIM Support: Allows for more flexible carrier options with eSIM.
  • More RAM: Offers 12GB of RAM for superior multitasking and gaming.
  • Stereo Speakers: Offers an enhanced audio experience with stereo speakers.
  • Better Connectivity: Supports newer Wi-Fi and Bluetooth versions for faster and more reliable connections.
  • Superior Screen Protection: Uses Corning Gorilla Glass Victus 2, which provides better screen protection.
  • More Sensors: Includes Barometer, Gravity, Hall and Geomagnetic sensors for more comprehensive sensor suite.

Trade-offs:

  • The V21 5G sacrifices raw performance and display technology for a lighter build, front-facing camera and faster charging speed.
  • The Z Flip6 is heavier, more expensive and sacrifices front camera resolution and fast charging speed, in exchange for significantly improved performance, display quality, build quality, cameras, battery features and other features.

3. User Profiles & Recommendations

vivo V21 5G Ideal Users:

  • Budget-conscious buyers: Who prioritize a lower price point and good selfie camera over flagship-level performance.
  • Selfie enthusiasts: Who heavily rely on front-facing cameras for social media content.
  • Users wanting lighter phone: Who prefer a lighter device that is comfortable to hold for long periods.
  • Users wanting faster charging: Who want to charge their phone quickly.
  • Users wanting macro lens: Who like close-up shots.

Use Cases for vivo V21 5G:

  • Social media content creation (selfies and vlogs)
  • Basic day-to-day tasks (browsing, calls, messages)
  • Casual gaming that is not graphically intensive
  • Users who prioritize physical SIMs.

Samsung Galaxy Z Flip6 Ideal Users:

  • Tech Enthusiasts: Who enjoy new technologies and innovative designs.
  • Power Users: Who demand top-tier performance for gaming, multitasking, and demanding applications.
  • Users who need portable phone: Who enjoy the compact form factor of a foldable phone.
  • Users who need top performing camera: Who enjoy taking pictures and videos using high quality cameras.
  • Users that prefer a better display: Who prefer a smoother 120Hz refresh rate and potentially a better display technology.
  • Users who want a flagship phone experience: Who want the best technologies available.

Use Cases for Samsung Galaxy Z Flip6:

  • Gaming and heavy multitasking
  • Professional photography and videography
  • Business users wanting the latest features and performance
  • Users who prioritize the latest in mobile technology

4. Decision Framework

Key Questions for Buyers:

  1. Is a foldable design a necessity? The Z Flip6 is a foldable phone, which makes it more portable but also more expensive and has potential durability concerns. If a foldable design is not desired, the vivo V21 is an option.
  2. Is performance or battery more important? The Z Flip6 offers significantly superior performance, while the V21 offers slightly faster charging.
  3. What is your budget? The Z Flip6 will be significantly more expensive than the V21, which could be a deciding factor.

Scenario-Based Recommendations:

  • Budget-Conscious User: If price is a primary concern and you mostly want a phone for selfies and social media, the vivo V21 5G is a more affordable choice.
  • Power User: If you need maximum performance, the latest technology, and a better camera, and are willing to pay the premium, the Samsung Galaxy Z Flip6 is the better option.
  • Unique Design Lover: If the foldable form factor and the latest in mobile tech is a priority, the Samsung Galaxy Z Flip6 is the obvious choice.
  • Camera Focused User: If camera is important and you are not into selfies the Samsung Galaxy Z Flip6 would be a better pick because of its better main camera and camera features.

My Choice

Based on my analysis, I would choose the Samsung Galaxy Z Flip6. Here's why:

While the vivo V21 5G has merits in terms of its front camera, lighter build and fast charging, the Samsung Galaxy Z Flip6 presents a significantly better overall package, especially when considering future-proofing. Its far superior performance, foldable design, superior main camera and video recording features, better display, updated software, and advanced features like wireless charging, make it a much more versatile and enjoyable device. The price difference is significant, but the technological advancements and user experience gains make the Z Flip6 a worthwhile investment for those seeking a top-tier smartphone. While the front camera resolution might be lower, the better overall camera quality and features outweigh that con for me.

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
  • Digital media communication
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Bridging technical complexity with engaging, accessible narratives.