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

Detailed Comparison

Specification

General

Launch Date January 7, 2022 November 21, 2023
Release Year 2022 2023

Physical

Volume 91.64 cm³ 109.97 cm³
Screen Size to Weight Ratio 3.62 "/g 3.07 "/g
Weight 177 g 221 g
Height 155.7 mm 164.1 mm
Width 74.5 mm 75.3 mm
Thickness 7.9 mm 8.9 mm
Foldable Design No No
Available Colors
  • White
  • Graphite
  • Lavender
  • Olive
  • White
  • Sunset Orange
  • Startrail Blue
  • Asteroid Black

Display

Screen Size 6.4 " 6.78 "
Resolution 1080 x 2340 1260 x 2800
Aspect Ratio 19.5:9 20:9
Screen-to-Body Ratio 86.7 % 89.8 %
Pixel Density 403 PPI 452 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 3000 nits

Hardware

Battery Capacity per Screen Area 109.86 mAh/in² 117.47 mAh/in²
Battery Density 49.11 mAh/cm³ 49.1 mAh/cm³
Battery Capacity 4500 mAh 5400 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1 Mediatek Dimensity 9300 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1 Octa-core (1x3.25 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720)
GPU Adreno 660 - Version 1 Immortalis-G720 MC12

Connectivity

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

Software

Operating System Android Android
Initial OS Version 12 14
Maximum OS Version 16 15

Comparison Summary

Okay, let's dive deep into this comparison of the Samsung Galaxy S21 FE 5G and the vivo X100 Pro. We're not just looking at numbers, we're trying to understand what these specifications mean for how you'll actually use your phone every day.

1. Specifications Breakdown

Here's a breakdown of the key specifications, focusing on what they mean for real-world use:

FeatureSamsung Galaxy S21 FE 5Gvivo X100 ProReal-World Implications
Design
Dimensions155.7 × 74.5 × 7.9 mm164.1 × 75.3 × 8.9 mmThe vivo X100 Pro is noticeably larger and thicker, potentially less pocketable.
Weight177g221gSamsung is significantly lighter, making it more comfortable to hold and use for long periods.
Display
Size6.4"6.78"vivo offers a more immersive viewing experience thanks to a larger screen size.
Resolution1080x23401260x2800vivo's display will look noticeably sharper due to the significantly higher resolution.
Pixel Density403 PPI452 PPIvivo's display has a higher pixel density leading to increased sharpness.
TechnologyAMOLEDAMOLEDBoth offer excellent contrast and vivid colors, but other factors such as brightness and calibration play a large role in display quality.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations.
Brightness1300 nits3000 nitsvivo will be much more readable in bright sunlight thanks to the far higher brightness levels.
Performance
ChipsetSnapdragon 888 5G (5nm)Dimensity 9300 (4nm)vivo's chip is newer and more powerful, translating to faster performance and better efficiency.
AnTuTu Score923,8361,881,325vivo offers significantly faster app loading, smoother multitasking, and superior gaming.
GPUAdreno 660Immortalis-G720 MC12vivo has a newer GPU that will excel in graphically demanding applications.
Camera
Main Camera12MP, f/1.8, 1/1.76"50MP, f/1.75, 1"vivo has a larger sensor that can gather more light, leading to better low-light performance and detail, with higher resolution.
Telephoto/Portrait8MP, f/2.0Not SpecifiedSamsung has a dedicated telephoto camera for optical zoom and portrait shots, a feature the vivo lacks.
Selfie Camera32MP, f/2.232MP, f/2.0vivo has a slightly wider aperture for better low-light selfies.
Wide AngleNot Specified50MP, f/2.0vivo has a dedicated ultra-wide-angle lens, a feature the Samsung lacks.
Wide + Macro13MP, f/2.2Not SpecifiedSamsung has a wide angle lens that also supports macro shots, a feature the vivo lacks.
Telephoto + MacroNot Specified50MP, f/2.5vivo has a dedicated telephoto lens that also supports macro shots, a feature the Samsung lacks.
Video4K@60fps8K@30fpsvivo supports a higher video recording resolution.
DxoMark Mobile117150vivo's camera is significantly superior in all aspects based on the DxoMark scores.
Battery Life
Capacity4500mAh5400mAhvivo will likely last longer on a single charge due to a larger battery capacity.
Charging25W100Wvivo charges much faster, which is great for topping up quickly.
Wireless Charging15W50Wvivo can charge wirelessly at a significantly faster speed.
Software
OSAndroid 12, max 16Android 14, max 15vivo has a newer OS, while Samsung is due for a longer software support window.

2. Key Insights

Samsung Galaxy S21 FE 5G:

  • Strengths: Lighter weight and compact design make it more pocketable and comfortable for extended use. Includes a dedicated telephoto camera, a feature the Vivo lacks, and also comes with a wide-angle lens that also support macro shots. A balanced feature set with wireless charging and reverse wireless charging capabilities. Offers a slightly longer software update window.
  • Competitive Advantages: Its slightly lower price point and availability may make it more accessible. The balanced feature set and lighter design offer a comfortable user experience.
  • Trade-offs/Limitations: Significantly lower performance than the vivo, especially in processing power and gaming. The camera system is dated compared to newer flagship models.

vivo X100 Pro:

  • Strengths: Superior performance with the Dimensity 9300 chipset and a higher AnTuTu score. Significantly better main camera with a larger 1-inch sensor for low-light photography. Faster charging speeds (both wired and wireless). A larger, brighter display with higher resolution and pixel density. Boasts a telephoto lens that also supports macro shots. Supports the latest Wi-Fi standards.
  • Competitive Advantages: Top-tier performance, industry-leading camera, significantly brighter display and faster charging, appealing to demanding users and photography enthusiasts.
  • Trade-offs/Limitations: Larger and heavier design might not be as comfortable for some users. No dedicated telephoto lens, or wide + macro lens.

3. User Profiles and Recommendations

Samsung Galaxy S21 FE 5G is ideal for:

  • Everyday users who prioritize comfort and portability: Those who prefer a lighter, pocketable phone with a reliable camera system and good everyday performance.
  • Budget-conscious users: Those seeking a capable device at a more affordable price point.
  • Users who value a balanced feature set: Those who do not need the absolute best in terms of raw performance, but want a reliable and versatile phone.

vivo X100 Pro is perfect for:

  • Power users and gamers: Those who demand top-tier performance for resource-intensive tasks, heavy multitasking, and smooth gaming.
  • Photography enthusiasts: Those who prioritize camera quality and want the best low-light performance with versatile lenses.
  • Tech enthusiasts: Those who want the latest and greatest tech, including faster charging and the brightest display possible.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. Do you prioritize top-tier performance and camera capabilities above all else, or is a lighter, more affordable device your main goal? If you need the best, go with the Vivo. Otherwise, the Samsung is a great choice.
  2. How important is screen brightness for outdoor visibility? If you are often in bright environments, vivo’s 3000 nits is a game changer.
  3. Are you a heavy user who needs all-day battery life and fast charging, or will you mostly use the phone in moderate way? If battery life and charging are critical, vivo is the clear winner.

Scenario-Based Recommendations:

  • For the Casual User: If you are browsing social media, sending texts, or taking occasional photos, then the Samsung Galaxy S21 FE 5G is more than sufficient.
  • For the Mobile Photographer: If you are serious about photography or videography and demand exceptional image quality, the vivo X100 Pro is the better choice.
  • For the Gaming Enthusiast: If you are an avid mobile gamer, the vivo X100 Pro's superior performance and faster refresh rate make it the clear frontrunner.
  • For the Road Warrior: If you are often on the go and need a device that can handle a full day of usage, the vivo X100 Pro is the better option due to its longer battery life and faster charging speed.

Personal Choice

If I were choosing between these two phones, I would go for the vivo X100 Pro. The sheer performance jump provided by the Dimensity 9300, combined with the impressive camera setup, a significantly brighter display and the blazing fast charging, makes it a clear winner for me. As a tech journalist, I am always pushing devices to their limits so the performance boost, and especially the camera quality of the vivo, wins out. The size and weight is a minor trade-off for the substantial advantages that the vivo offers.

While I appreciate the Samsung Galaxy S21 FE 5G’s more compact and lighter design, its compromises in terms of power and camera would leave me wanting more. The vivo X100 Pro's technological advancements align better with my preferences and needs. It embodies innovation and is a device that gets me excited to push mobile technology to new heights.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.