Samsung Galaxy S21 5G vs vivo X100 - Detailed Phone Comparison

Detailed Comparison

Specification
vivo X100
vivo X100
Vivo

General

Launch Date January 29, 2021 November 21, 2023
Release Year 2021 2023

Physical

Volume 85.33 cm³ 104.89 cm³
Screen Size to Weight Ratio 3.67 "/g 3.36 "/g
Weight 169 g 202 g
Height 151.7 mm 164.1 mm
Width 71.2 mm 75.2 mm
Thickness 7.9 mm 8.5 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • White
  • Orange
  • Startrail Blue
  • Asteroid Black

Display

Screen Size 6.2 " 6.78 "
Resolution 1080 x 2400 1260 x 2800
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 89.9 %
Pixel Density 421 PPI 452 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits 3000 nits

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 108.77 mAh/in²
Battery Density 46.88 mAh/cm³ 47.67 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Mediatek Dimensity 9300 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
GPU Mali-G78 MP14 - International Immortalis-G720 MC12

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 15

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S21 5Gvivo X100Practical Impact
Design
Launch Date2021-01-292023-11-21vivo X100 is significantly newer, suggesting newer technology.
Dimensions151.7 x 71.2 x 7.9 mm164.1 x 75.2 x 8.5 mmvivo X100 is larger and slightly thicker; S21 5G is more pocketable.
Weight169g202gS21 5G is lighter, more comfortable for one-handed use and extended periods.
Display
Size6.2"6.78"vivo X100 has a larger screen, better for media consumption and multitasking.
Resolution1080 x 24001260 x 2800vivo X100 offers sharper visuals, more detail for images and videos.
Pixel Density (PPI)421452vivo X100 offers slightly sharper text and images.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks, excellent for viewing content.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations, great for gaming.
Brightness1300 nits3000 nitsvivo X100 is significantly brighter, much better visibility in direct sunlight.
Performance
ChipsetExynos 2100 (5 nm)Mediatek Dimensity 9300 (4 nm)vivo X100's chipset is significantly newer and more powerful, offering faster processing.
AnTuTu Score749,1001,881,325vivo X100 is considerably faster, better performance for demanding tasks and gaming.
GPUMali-G78 MP14Immortalis-G720 MC12vivo X100’s GPU offers superior graphics performance for gaming and video editing.
Camera
Standard Camera12MP, f/1.8, 1/1.76", 1.8µm50MP, f/1.57, 1/1.31", 1.2µmvivo X100 captures more detail, better low-light performance due to larger sensor and wider aperture.
Telephoto + Portrait64MP, f/2.0, 1/1.72", 0.8µmNoneS21 5G has dedicated telephoto lens for zoom and portrait shots.
Telephoto LensNone64MP, f/2.6, 1/2", 0.7µmvivo X100 has telephoto lens for zoom shots.
Wide Angle LensNone50MP, f/2.0, 1/2.76", 0.64µmvivo X100 has wide-angle lens for capturing expansive scenes.
Wide Angle + Macro12.2MP, f/2.2, 1/2.55", 1.4µmNoneS21 5G has a dedicated wide-angle and macro lens.
Selfie Camera10MP, f/2.2, 1/3.2", 1.22µm32MP, f/2.0, 1/2.8", 0.8µmvivo X100 takes sharper, more detailed selfies and better low-light selfies with a larger sensor and wider aperture.
VideoUp to 8K@24fpsUp to 4KS21 5G offers higher resolution video recording capabilities.
FeaturesOIS, EIS, 8K videoOIS, EIS, Gimbal, Cinematic Mode, Laser Autofocusvivo X100 offers more advanced features like gimbal stabilization for videos.
DxOMark (Mobile)111Not AvailableS21 5G has a tested and established camera performance.
DxOMark (Selfie)132Not AvailableS21 5G has a tested and established selfie camera performance.
Battery
Capacity4000mAh5000mAhvivo X100 has a larger battery, likely offering longer battery life.
Charging25W Fast Charging120W Fast Chargingvivo X100 charges much faster, significantly reduces charging times.
Battery FeaturesWireless charging, reverse chargingNoneS21 5G offers convenient wireless charging options.
Software
OSAndroid 11 (upgradable to 15)Android 14vivo X100 runs on a newer version of Android out of the box.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 7vivo X100 supports a newer standard, potentially faster speeds and improved performance.
Bluetooth5.0 LE5.4 LEvivo X100 has a newer version, offering better efficiency and features.
GPSDual-band GPSDual-band GPS + morevivo X100 supports more satellite systems, better accuracy.
Storage & RAM
Internal128/256 GB256/512/1024 GBvivo X100 offers significantly more storage options.
RAM8GB12/16 GBvivo X100 provides more RAM for better multitasking.
ExpandableNoNoNeither phone has expandable storage.
Audio
FeaturesDolby Atmos, Stereo Speakers, Noise cancellation microphoneDolby Atmos, Hi-Res Audio, Stereo SpeakersBoth offer excellent audio, the S21 5G features noise cancellation, the X100 features Hi-Res.
Security
FeaturesBasic FingerprintBasic FingerprintBoth have a basic fingerprint sensor.
Build Quality
Screen ProtectionGorilla Glass VictusUnknownS21 5G offers a known, robust screen protection.
Sensors
FeaturesBarometer, Hall, GeomagneticGravityS21 5G offers a more comprehensive suite of sensors.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Lighter and More Compact: Easier to handle and pocket, great for users who prefer smaller devices.
  • Wireless Charging & Reverse Wireless Charging: Offers more convenient charging options and ability to charge other devices.
  • 8K Video Recording: Provides higher video resolution for professional-grade footage.
  • Established Camera Performance: DxOMark scores provide confidence in camera performance.
  • More comprehensive suite of sensors: S21 has a Barometer, Hall and Geomagnetic sensors.

vivo X100 Advantages:

  • Significantly More Powerful Performance: The Dimensity 9300 chipset offers a substantial performance leap over the Exynos 2100.
  • Larger and Brighter Display: Offers a more immersive viewing experience, especially in bright outdoor conditions.
  • Superior Camera System: Improved main camera, dedicated telephoto and wide-angle lenses and better selfie camera.
  • Larger Battery & Much Faster Charging: Longer battery life and much faster charging speeds.
  • More Storage and RAM: Significantly more storage options and RAM for better performance and multitasking.
  • Newer Android Version: Offers the latest software features and updates.
  • Advanced Video Features: Cinematic mode, gimbal and laser autofocus for better stabilization and more creativity.
  • Newer Connectivity: Supports faster Wi-Fi 7 and Bluetooth 5.4 standards.
  • Hi-Res Audio: Features higher quality audio codecs.

Trade-offs:

  • S21 5G: Smaller display, less powerful performance, older software, and lower camera specs, but has wireless charging.
  • vivo X100: Larger and heavier device, lacks wireless charging.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G:

  • Ideal User: Users who prioritize a compact, lightweight phone with wireless charging and a good camera system.
  • Use Cases:
    • Everyday use, fits easily into pockets and bags.
    • Users who prefer a smaller screen for portability.
    • Those interested in wireless charging and reverse wireless charging.
    • Casual photography and videography with solid image quality.

vivo X100:

  • Ideal User: Users who demand the best performance, camera, and battery life, and enjoy watching content or gaming.
  • Use Cases:
    • Heavy gamers and content creators who need powerful hardware.
    • Users who value superior image quality and advanced camera features.
    • Users who need long battery life and fast charging.
    • Those who enjoy media consumption and want a large, bright screen.
    • Users who prioritize up-to-date software and connectivity.

Price-to-Value Ratio: The vivo X100 is a newer phone, therefore, it is likely to be more expensive than the S21 5G. The vivo offers more powerful features overall.

4. Decision Framework

Key Questions:

  1. Size and Portability: Do you prefer a compact phone that's easy to handle and pocket, or are you comfortable with a larger device for a larger screen?
  2. Performance and Gaming: Do you need top-tier performance for demanding games and apps or will moderate performance be enough?
  3. Camera Needs: Do you need the most versatile camera setup and are concerned with DxOMark scores? Do you use wireless charging often?

Scenario-Based Recommendations:

  • Scenario 1: Budget-Conscious User with Moderate Needs: If you prioritize a more pocketable device with wireless charging capabilities and solid camera capabilities and are not concerned with having the most current specs, the Samsung Galaxy S21 5G may be sufficient.
  • Scenario 2: Power User with Heavy Demands: If you prioritize performance, battery life, and the best camera experience possible, the vivo X100 is the clear choice.
  • Scenario 3: Content Creator/Mobile Gamer: If you are a heavy mobile gamer, need long battery life, prefer the latest in tech, or are a mobile content creator and care about mobile photography/videography, the vivo X100 would be the best option.

My Choice

If I had to choose, I would pick the vivo X100. While I appreciate the compactness and wireless charging of the Samsung Galaxy S21 5G, the significant performance leap, superior camera system, larger and brighter display, and much faster charging of the vivo X100 are too compelling to ignore. As a power user, I value fast performance for gaming and multitasking. I also enjoy photography and videography and want the best possible camera system.

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
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.