Samsung Galaxy S21 5G vs Apple iPhone 16 Pro Max - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 September 20, 2024
Release Year 2021 2024

Physical

Volume 85.33 cm³ 104.99 cm³
Screen Size to Weight Ratio 3.67 "/g 3.04 "/g
Weight 169 g 227 g
Height 151.7 mm 163 mm
Width 71.2 mm 77.6 mm
Thickness 7.9 mm 8.3 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Black Titanium
  • White Titanium
  • Natural Titanium
  • Desert Titanium

Display

Screen Size 6.2 " 6.9 "
Resolution 1080 x 2400 1320 x 2868
Aspect Ratio 20:9 19.5:9
Screen-to-Body Ratio 85.9 % 92.2 %
Pixel Density 421 PPI 460 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 1000 nits
HBM Brightness N/A 2000 nits
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 98.40 mAh/in²
Battery Density 46.88 mAh/cm³ 44.63 mAh/cm³
Battery Capacity 4000 mAh 4685 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Apple A18 Pro (3 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Hexa-core (2x4.05 GHz + 4x2.42 GHz)
GPU Mali-G78 MP14 - International Apple GPU (6-core graphics)

Connectivity

USB Version 3.2 3.2
OTG Support 1
DisplayPort 1
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 3.2, Gen 2, DisplayPort

Software

Operating System Android iOS
Initial OS Version 11 18
Maximum OS Version 15

Comparison Summary

1. Specifications Comparison

Design

FeatureSamsung Galaxy S21 5GApple iPhone 16 Pro MaxPractical Impact
Physical Size151.7 × 71.2 × 7.9 mm163 × 77.6 × 8.3 mmiPhone 16 Pro Max is larger and bulkier, potentially less comfortable for one-handed use and pocketability.
Weight169g227gS21 5G is significantly lighter, more comfortable for extended use and carrying.
FoldableStandardStandardBoth are standard, non-folding phones.

Display

FeatureSamsung Galaxy S21 5GApple iPhone 16 Pro MaxPractical Impact
Size6.2"6.9"iPhone 16 Pro Max offers a noticeably larger screen, better for media consumption, gaming, and multitasking. S21 is more compact.
Resolution1080x24001320x2868iPhone 16 Pro Max has much sharper display, resulting in better image clarity and detail.
PPI421460iPhone 16 Pro Max has a slightly sharper screen, though the difference may not be noticeable to the naked eye in normal use.
TechnologyAMOLEDOLEDBoth use high-quality display technologies with excellent color reproduction and contrast.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations.
Brightness1300 nits2000 nitsiPhone 16 Pro Max has significantly higher brightness, ensuring better visibility in bright sunlight.

Performance

FeatureSamsung Galaxy S21 5GApple iPhone 16 Pro MaxPractical Impact
ChipsetExynos 2100 (5 nm) - InternationalApple A18 Pro (3 nm)iPhone 16 Pro Max's newer chip offers superior performance, efficiency, and is capable of running more demanding applications.
Antutu Score749,1001,947,255iPhone 16 Pro Max demonstrates substantially higher performance, leading to faster app launches, smoother multitasking, and better gaming.
GPUMali-G78 MP14 - InternationalApple GPU (6-core)iPhone 16 Pro Max's GPU is significantly more powerful, handling graphics-intensive tasks and games with ease.

Camera

FeatureSamsung Galaxy S21 5GApple iPhone 16 Pro MaxPractical Impact
Standard Camera12MP, f/1.8, 1/1.76", 1.80 µm, Sony IMX55548MP, f/1.78, 1/1.3", 1.22 µm, Sony IMX903iPhone 16 Pro Max captures significantly more detailed photos with higher resolution and larger sensor; superior low light performance
Telephoto/Portrait64MP, f/2.0, 1/1.72", 0.80 µm, Samsung Bright S5KGW2N/AS21 5G has dedicated telephoto for portrait shots; iPhone 16 Pro Max lacks a dedicated telephoto portrait camera
Selfie Camera10MP, f/2.2, 1/3.2", 1.22 µm, Sony IMX37412MP, f/1.9, Sony IMX714iPhone 16 Pro Max provides better low light performance and slightly better detail with wider aperture.
Telephoto LensN/A12MP, f/2.8, 1.12 µm, Sony IMX913iPhone 16 Pro Max offers optical zoom capabilities that S21 5G lacks
ToF 3D SensorN/A0.8MPiPhone 16 Pro Max supports depth sensing for better AR and portrait mode
Wide Angle/Macro12.2MP, f/2.2, 1/2.55", 1.40 µm, Sony IMX56348MP, f/2.2, 1/2.55", 0.70 µm, Sony IMX972iPhone 16 Pro Max captures significantly more detailed wide-angle and macro shots with a much higher resolution
VideoUp to 8K@24fpsUp to 4K@120fpsS21 5G supports 8K video recording; iPhone 16 Pro Max offers higher frame rates at 4K.
DXOMark Mobile111 (Photo:118, Video: 90)157 (Photo: 157, Video: 159)iPhone 16 Pro Max delivers substantially better photo and video quality, based on DXOMark results.
DXOMark Selfie132 (Photo: 125, Video: 145)151 (Photo: 149, Video: 155)iPhone 16 Pro Max has a superior selfie camera, offering better overall photo and video quality.
Camera Features8K Video, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night ModeCinematic Mode, Noise reduction, Face unlock, Pro Video Mode, 4K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Continuous autofocus, Manual focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night ModeiPhone 16 Pro Max has more advanced video features with Cinematic Mode, better Noise reduction, more stable video, while the S21 5G focuses on 8K recording and triple camera setup.

Battery

FeatureSamsung Galaxy S21 5GApple iPhone 16 Pro MaxPractical Impact
Capacity4000mAh4685mAhiPhone 16 Pro Max likely offers longer battery life due to the larger capacity.
Charging25W fast charging25W fast chargingBoth support 25W fast charging, meaning similar charging times.
Battery FeaturesReverse charging, Wireless charging 15W, Reverse wireless charging 4.5W, No charger in-box25W Wireless Charging, Non-removableS21 5G has a broader range of wireless charging features and reverse charging; iPhone 16 Pro Max only offers wireless charging at 25W and does not have reverse charging.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Lighter and More Compact: Easier to handle and carry around, fits better in pockets.
  • Reverse Wireless Charging: Can wirelessly charge other devices.
  • 8K Video Recording: The ability to record video in 8K resolution for professional-grade video.
  • Telephoto + Portrait lens: Dedicated telephoto lens for portrait mode shots.

Apple iPhone 16 Pro Max Advantages:

  • Superior Performance: Much faster processor and GPU resulting in better overall speed, smoother multitasking, and more responsive gaming.
  • Significantly Better Display: Larger screen with higher resolution and brightness for enhanced viewing experience.
  • Significantly Better Cameras: Higher resolution sensors, superior low-light performance, and better image quality in general.
  • Longer Battery Life: Larger battery capacity resulting in more usage time between charges.
  • eSIM Support: Allows for easy switching between carriers without a physical SIM card.
  • Newer WiFi and Bluetooth Standards: Offers faster and more efficient wireless connectivity.

Trade-offs:

  • Size and Weight: iPhone 16 Pro Max is significantly larger and heavier, making it less portable and comfortable for some users.
  • Reverse Charging: S21 5G can reverse wireless charge other devices while the iPhone cannot.
  • 8K Video: S21 5G records 8k video, which the iPhone does not.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal Users:

  • Users seeking a compact and lightweight phone: Those who prioritize portability and ease of handling.
  • Users who utilize reverse wireless charging: Users who frequently need to charge other wireless devices using their phone.
  • Users looking for an older phone with a lower price: A more affordable option than the iPhone with great specifications.

    Use Cases:

  • Everyday use, easy to carry around and fits easily in a pocket

  • Quick photos and video, general social media and communication

Apple iPhone 16 Pro Max Ideal Users:

  • Power users needing top performance: Demanding users who need fast processing and smooth multitasking, for instance, video editing.
  • Media enthusiasts: Users who enjoy watching videos, playing games, and content creation on their phones, valuing a large, high-quality display
  • Photography enthusiasts: Users who want the best camera performance, taking detailed photos with excellent low-light quality, and making cinematic videos.
  • Users needing the most modern technology: Those who want the latest features and connectivity standards, for instance, Wifi 7 and newer Bluetooth.

Use Cases:

  • High-end mobile gaming, video and photography editing, graphic design
  • Professional photo and video content creation
  • Work requiring multitasking and fast app switching

4. Decision Framework

Here are 3 key questions to consider:

  1. What's more important to you: size/weight or screen quality?

    • If portability is key, the S21 5G is a better choice. If you value a larger, more vibrant display, choose the iPhone 16 Pro Max.
  2. What will be your main use case: general use or high-end content creation?

    • For everyday use and general photography, the S21 5G is sufficient. For heavy tasks like gaming, editing, or professional photography, the iPhone 16 Pro Max is the better option.
  3. How much are you willing to spend?

    • The Samsung S21 is an older model and usually available at a much more affordable price.

Scenario-Based Recommendations:

  • Budget-conscious User: If you prioritize affordability, the Samsung Galaxy S21 5G is a great option with many high-end features.
  • Mobile Photographer/Videographer: The iPhone 16 Pro Max’s superior camera system is worth the investment for professional-quality photos and videos.
  • Power User: If you demand the best in terms of performance, the iPhone 16 Pro Max’s chipset and display make it the better option.

My Choice

If I were choosing between these two phones, I would choose the Apple iPhone 16 Pro Max. While I acknowledge the Samsung Galaxy S21 5G's strengths in being more compact, lighter, and having reverse wireless charging, the iPhone 16 Pro Max offers a significant performance advantage that justifies the larger size and weight, for my use case. I value a larger, brighter, higher-resolution display for consuming media and doing work on the go. The enhanced camera system of the iPhone is also very important for me, as I take a lot of photos and videos. Finally, the newer chipset and other modern features guarantee an overall better user experience.

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.