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

Detailed Comparison

Specification

General

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

Physical

Volume 85.33 cm³ 109.97 cm³
Screen Size to Weight Ratio 3.67 "/g 3.07 "/g
Weight 169 g 221 g
Height 151.7 mm 164.1 mm
Width 71.2 mm 75.3 mm
Thickness 7.9 mm 8.9 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • White
  • Sunset 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 % 89.8 %
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 117.47 mAh/in²
Battery Density 46.88 mAh/cm³ 49.1 mAh/cm³
Battery Capacity 4000 mAh 5400 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 3.2
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 3.2, OTG

Software

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

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 5G vs. vivo X100 Pro

1. Specifications Comparison

FeatureSamsung Galaxy S21 5Gvivo X100 ProPractical Impact
Design
Launch Date2021-01-292023-11-21vivo X100 Pro is significantly newer, benefiting from newer technologies.
Dimensions151.7 × 71.2 × 7.9 mm164.1 × 75.3 × 8.9 mmvivo X100 Pro is larger and thicker, potentially less comfortable for one-handed use and pocketability.
Weight169g221gSamsung Galaxy S21 5G is much lighter, making it more comfortable for extended use.
Display
Size6.2"6.78"vivo X100 Pro offers a larger screen for more immersive media consumption and better multitasking.
Resolution1080x24001260x2800vivo X100 Pro has a noticeably sharper display with higher pixel density and image detail.
PPI421452vivo X100 Pro has slightly sharper text and images, though the difference might not be noticeable to everyone.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors, deep blacks, and good contrast.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1300 nits3000 nitsvivo X100 Pro is significantly brighter and easier to see under direct sunlight.
Performance
ChipsetExynos 2100 (5 nm)Mediatek Dimensity 9300 (4 nm)vivo X100 Pro's newer chipset results in significantly faster processing, app loading, and better efficiency.
AnTuTu Score749,1001,881,325vivo X100 Pro offers a vastly superior performance and is better for demanding applications and gaming.
GPUMali-G78 MP14Immortalis-G720 MC12vivo X100 Pro's GPU provides better graphics performance in games and other graphics-intensive tasks.
Battery
Capacity4000mAh5400mAhvivo X100 Pro has a larger battery and will likely last much longer on a single charge.
Charging25W Fast Charging100W Fast Chargingvivo X100 Pro charges much faster, minimizing downtime.
Charging FeaturesWireless 15W, Reverse wireless 4.5W, No in-box chargerWireless 50Wvivo X100 Pro has significantly faster wireless charging. Samsung Galaxy S21 5G offers reverse wireless charging but no charger in-box.
Camera
Standard Camera Resolution12MP50MPvivo X100 Pro captures much more detail, enabling larger prints and cropping.
Standard Camera Sensor Size1/1.76"1"vivo X100 Pro's larger sensor captures more light, resulting in better low-light performance.
Selfie Camera Resolution10MP32MPvivo X100 Pro captures higher detail in selfies and enables larger prints or cropping.
Selfie Camera Aperturef/2.2f/2.0vivo X100 Pro has a wider aperture, better low-light performance, and background separation
Telephoto/Portrait Camera64MPNoneSamsung Galaxy S21 5G has a dedicated telephoto lens for better zoom capabilities
Wide Angle LensNone50MPvivo X100 Pro has an additional ultra-wide lens for landscape and group photos.
Wide Angle + Macro Camera12.2MPNoneSamsung Galaxy S21 5G can take wide-angle and macro shots.
Telephoto + Macro CameraNone50MPvivo X100 Pro has a dedicated telephoto macro camera
Video RecordingUp to 8K@24fpsUp to 8K@30fpsBoth phones offer excellent video recording, but the vivo X100 Pro has a higher frame rate in 8k.
DXOMark Mobile Score111150vivo X100 Pro has a much better overall camera performance.
DXOMark Selfie Score132Not testedSamsung Galaxy S21 5G has good selfie camera performance based on DXOMark.
Software
OSAndroid 11, up to 15Android 14, up to 15vivo X100 Pro ships with a much newer Android version, while both will likely receive the same number of future updates.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 7vivo X100 Pro uses the newer WiFi standard resulting in faster speeds and lower latency.
Bluetooth5.05.4vivo X100 Pro supports newer Bluetooth features, resulting in better battery efficiency and connection speeds.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, QZSS, Galileovivo X100 Pro supports more satellite systems, offering potentially higher accuracy.
SIMDual SIM (Nano)Dual SIM (Nano/eSIM)vivo X100 Pro offers the option of eSIM for digital carrier switching.
Storage
Internal128 GB or 256 GB256 GB, 512GB, or 1024 GBvivo X100 Pro offers more storage options and a significantly larger capacity if needed.
RAM8 GB12 GB or 16 GBvivo X100 Pro has significantly more RAM, leading to better multitasking and faster performance.
Expandable StorageNoNoNeither phone supports microSD card expansion.
Audio
QualityDolby Atmos, Noise CancellationDolby Atmos, Hi-Res AudioBoth have great audio capabilities but with different features; Samsung Galaxy S21 5G offers a noise-canceling microphone while the vivo X100 Pro has hi-res audio for music.
Security
FeaturesBasic FingerprintBasic FingerprintBoth offer basic fingerprint sensor technology.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusUnknownSamsung Galaxy S21 5G has known superior screen protection.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerFingerprint, Proximity, Accelerometer, Compass, Gyroscope, GravitySamsung Galaxy S21 5G also offers a Barometer, while vivo X100 Pro offers Gravity.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Lighter and More Compact: More pocketable and comfortable for extended use.
  • Known Screen Protection: Corning Gorilla Glass Victus provides a measure of added screen protection.
  • Reverse Wireless Charging: Offers the ability to charge other devices wirelessly.
  • Telephoto + Portrait and Wide Angle + Macro Lens: Versatile camera options for zoom and macro photography.

vivo X100 Pro Advantages:

  • Significantly Higher Performance: Superior chipset and more RAM for smooth performance, app loading, and gaming.
  • Superior Display: Larger, higher resolution, brighter screen for better media consumption and visibility in sunlight.
  • Larger Battery and Faster Charging: Much longer battery life and faster charging, greatly reducing downtime.
  • Better Camera Performance: Larger sensor, higher resolution, and overall better image quality as demonstrated by DXOMark scores.
  • Newer OS and Connectivity: Ships with a newer version of Android, as well as newer WiFi and Bluetooth standards for faster and more reliable connections.
  • eSIM Support: Allows for digital carrier switching, which is helpful for international travelers.
  • More Storage Options: Larger storage capacities, up to 1TB of storage.

Significant Trade-offs:

  • Size and Weight: The vivo X100 Pro is larger and heavier, making it less comfortable to carry and use for some users.
  • Samsung Galaxy S21 5G screen protection: Lack of known screen protection may make the Vivo X100 Pro more prone to damage if dropped.
  • Samsung Galaxy S21 5G missing in-box charger

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal User:

  • Users who prioritize a lightweight and pocketable phone.
  • Those who value established brand recognition and a user-friendly interface.
  • Individuals who need the ability to reverse wireless charge.
  • Users who are okay with a good camera performance but do not need a top-of-the-line camera.

Use Cases:

  • Everyday communication, social media, and basic productivity.
  • Users who take a lot of zoom photos and macro photos.
  • Those who want a phone that can fit easily into a pocket or purse.

vivo X100 Pro Ideal User:

  • Users who want the best possible performance for gaming and multitasking.
  • Photography enthusiasts who want top-tier camera quality.
  • Users who prioritize a long battery life and fast charging.
  • Those who are fine with a larger and heavier phone, as well as having no known screen protection.
  • Those who value a newer and advanced phone.

Use Cases:

  • High-performance gaming, video editing, and other demanding tasks.
  • Photography and videography, especially in low-light conditions.
  • Frequent travelers or users who need all-day battery life.
  • Users who prefer a larger screen for media consumption and productivity.
  • Users who need the option of using an eSIM.

Price-to-Value:

The vivo X100 Pro is generally a higher-priced phone compared to the older Samsung Galaxy S21 5G. However, the massive upgrades in performance, camera, battery, and display may justify the increased price for those who need its strengths. The Samsung Galaxy S21 5G is available at a lower price but compromises in many areas.

4. Decision Framework

Key Questions for Buyers:

  1. What is my priority: Performance or Portability? If performance is crucial and you prefer the best display, camera, and battery life, the vivo X100 Pro is the choice. If the size and weight of the phone is a higher priority, the Samsung Galaxy S21 5G is better.
  2. How important is the camera? If you're looking for the absolute best camera performance and don't mind the increased size, the vivo X100 Pro excels in camera. If you are fine with good photos, the Samsung Galaxy S21 5G works well.
  3. What is my budget? The Samsung Galaxy S21 5G is likely available at a lower price point, making it a budget-friendly option.

Scenario-Based Recommendations:

  • Casual User: If you're a casual user who mainly uses the phone for basic tasks, the Samsung Galaxy S21 5G is a good choice due to the lower price point. The vivo X100 Pro might be overkill.
  • Gaming Enthusiast/Power User: If you're a gamer or a power user who needs top performance, the vivo X100 Pro is the clear choice, with its powerful chipset and display.
  • Photography Enthusiast: If you prioritize camera quality and versatility, the vivo X100 Pro has the better sensor, higher resolution, and overall performance based on DXOMark.
  • Traveler: If you travel often and need great battery life, the vivo X100 Pro excels, plus eSIM support is a bonus.

My Choice

If I were to choose between these two phones, I would choose the vivo X100 Pro. Despite its larger size and weight, the leap in performance, display quality, camera capabilities, battery life, and modern connectivity are too significant to ignore. As someone who values a responsive user experience, top-notch photography, and all-day battery life, the vivo X100 Pro aligns better with my priorities. While the Samsung Galaxy S21 5G is a good phone, the vivo X100 Pro is a considerable step up in many areas, and I believe the advantages outweigh the trade-offs. The significantly superior camera performance, the incredibly fast charging, and the larger display are the biggest draws 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
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Bridging technical complexity with engaging, accessible narratives.