Samsung Galaxy S21 Ultra 5G vs Samsung Galaxy A06 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 August 22, 2024
Release Year 2021 2024

Physical

Volume 111.09 cm³ 103.46 cm³
Screen Size to Weight Ratio 3 "/g 3.54 "/g
Weight 227 g 189 g
Height 165.1 mm 167.3 mm
Width 75.6 mm 77.3 mm
Thickness 8.9 mm 8 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Gold
  • Blue
  • White

Display

Screen Size 6.8 " 6.7 "
Resolution 1440 x 3200 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.4 % 83.8 %
Pixel Density 515 PPI 262 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1500 nits N/A

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 111.38 mAh/in²
Battery Density 45.01 mAh/cm³ 48.33 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes No
Chipset Exynos 2100 (5 nm) - International Mediatek Helio G85 (12 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G52 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 15 16

Comparison Summary

1. Specifications Comparison

Here's a detailed comparison of the Samsung Galaxy S21 Ultra 5G and the Samsung Galaxy A06, focusing on practical implications:

Design

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A06Practical Impact
Dimensions165.1 × 75.6 × 8.9 mm167.3 × 77.3 × 8 mmS21 Ultra is slightly shorter and narrower, but thicker, and has higher overall volume. The A06 is taller and wider.
Weight227g189gA06 is significantly lighter, making it more comfortable to hold and use for extended periods.

Display

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A06Practical Impact
Size6.8"6.7"Minimal difference; both are large screens suitable for media consumption.
Resolution1440x3200720x1600S21 Ultra has a much sharper and clearer display, with more detail for text and images. A06 screen will appear less sharp.
PPI515262S21 Ultra displays noticeably sharper images and text due to higher pixel density, much more detailed than A06.
TechnologyAMOLEDPLS LCDS21 Ultra has superior contrast, deeper blacks, more vibrant colors, and better power efficiency, especially with dark themes. The A06 has a less vibrant display with less contrast.
Refresh Rate120Hz60HzS21 Ultra provides smoother scrolling, animations, and a more fluid user experience. A06 will look less smooth.
Brightness1500 nits0 nitsS21 Ultra is much easier to see in bright sunlight, offering superior outdoor visibility. The A06 has an unknown brightness.

Performance

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A06Practical Impact
ChipsetExynos 2100 (5 nm)Mediatek Helio G85 (12 nm)S21 Ultra offers significantly faster processing, better graphics, and a smoother experience for demanding tasks like gaming and video editing. A06 will struggle with more demanding tasks.
AnTuTu Score749,000225,154S21 Ultra is substantially more powerful, resulting in faster app launches, smoother multitasking, and better performance in demanding applications and games.
GPUMali-G78 MP14 (ARM Mali-G78 MC14)Mali-G52 MC2 (Arm Mali-G52 MC2)S21 Ultra provides significantly better graphics for gaming and other graphically intensive applications. A06 will struggle with more graphics-intensive applications.

Battery

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A06Practical Impact
Capacity5000mAh5000mAhBoth have the same battery capacity; endurance will likely be comparable, but the S21 Ultra's more power-hungry processor may reduce its longevity.
Charging25W fast charging (Li-Polymer)25W fast charging (Li-Ion)Both have 25W fast charging, but the S21 Ultra's Li-Polymer may offer better longevity and potentially charge faster.
FeaturesWireless charging, reverse wireless charging, No charger in-boxNon-removableS21 Ultra offers more battery features, including wireless and reverse wireless charging. The A06 is a simpler, no-frills device.

Camera

FeatureSamsung Galaxy S21 Ultra 5GSamsung Galaxy A06Practical Impact
Main Camera108MP f/1.8, 1/1.33", 0.8µm pixels, Samsung S5KHM350MP f/1.8S21 Ultra captures much more detailed images, especially in good lighting, and superior low-light performance. S21 Ultra has a larger sensor and pixel size for better low-light performance.
Telephoto+Portrait10.8MP f/2.4, 1/2.65", 1.22µm pixels, Samsung S5K3J1N/AS21 Ultra has dedicated telephoto and portrait lens, allowing for better optical zoom and portrait photos. A06 does not have a dedicated telephoto lens.
Selfie Camera44MP f/2.2, 1/2.65", 0.70µm pixels, Samsung S5KGH18MP f/2.0S21 Ultra captures much more detailed and higher-quality selfies, especially in good lighting. S21 Ultra has a smaller pixel size so better for well lit scenarios. A06 has a wider aperture which should slightly help in low light.
Telephoto Lens10.8MP f/4.9, 1/2.65", 1.22µm pixels, Samsung S5K3J1N/AS21 Ultra has a dedicated telephoto lens offering further optical zoom capabilities. A06 does not have a dedicated telephoto lens.
Portrait (Depth)N/A2MP f/2.4A06 has a dedicated depth sensor for portrait effects. The S21 Ultra does not have a dedicated depth sensor.
Wide Angle + Macro12.2MP f/2.2, 1/2.55", 1.40µm pixels, Sony IMX563N/AS21 Ultra has an ultra-wide lens for expansive landscapes and macro photography. A06 does not have a dedicated ultra wide sensor.
VideoUp to 8K@24fps, various modes with HDR, EIS, Stereo SoundUp to 1080p@60fpsS21 Ultra supports higher resolutions, more advanced video features, and stabilization. It's superior for creating high-quality video content. A06 is adequate for basic video capture.
DxOMarkMobile: 115, Selfie: 135N/AS21 Ultra has a much higher camera score, indicating better overall photo and video quality. A06 has not been tested.
Features4K/8K Video, OIS, Optical Zoom, RAW, Night Mode, etc.Digital Zoom, Autofocus, Panorama, HDR, etc.S21 Ultra offers a much wider array of camera features, including more advanced shooting options, resulting in more versatile and higher-quality photos and videos. A06 has basic camera features.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: Significantly higher resolution, pixel density, and better technology (AMOLED, 120Hz, 1500 nits) results in a much sharper, smoother, and more vibrant viewing experience, especially in bright sunlight.
  • Much More Powerful Performance: The Exynos 2100 chipset and significantly higher AnTuTu score offer much faster app loading, smoother multitasking, and better gaming performance.
  • Versatile Camera System: A more advanced and versatile camera setup with multiple lenses (main, telephoto, ultrawide, and selfie), higher resolutions, OIS, optical zoom, and 8K video recording capability.
  • Advanced Features: Wireless charging, reverse wireless charging, and more advanced Wi-Fi and Bluetooth capabilities.
  • Better Audio Features: Dolby Atmos, Hi-Res Audio, Noise cancellation microphone, and Stereo Speakers offer an immersive and superior sound experience.

Samsung Galaxy A06 Advantages:

  • Lighter Weight: More comfortable for extended use and carrying.
  • Newer Operating System: Comes with a newer Android version out of the box.
  • Lower Cost: Likely to be much more affordable, making it a budget-friendly option.
  • Side-mounted Fingerprint Sensor: potentially faster and more convenient access than basic sensors.
  • Portrait Mode (depth) Camera: a dedicated 2MP depth sensor to create a bokeh effect in photos

Significant Trade-offs:

  • S21 Ultra: Higher price, older operating system and heavier.
  • A06: Significantly less powerful performance, lower-quality display, less capable camera, and fewer advanced features, older wifi, and bluetooth standards.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G Ideal Users:

  • Power Users: Individuals who demand top-tier performance for demanding tasks like gaming, video editing, and multitasking.
  • Photography Enthusiasts: Users who prioritize a versatile and high-quality camera system with optical zoom, 8K video recording, and advanced features.
  • Media Consumers: Those who watch videos, browse content, and enjoy the best possible display quality and audio experience.
  • Users needing advanced features: Those who utilize wireless charging, better connectivity features and need more sensors for functionality.

Specific Use Cases for S21 Ultra:

  • Professional mobile photography and videography.
  • High-end mobile gaming.
  • Demanding productivity tasks.
  • Immersive media consumption (movies, videos, gaming).

Samsung Galaxy A06 Ideal Users:

  • Budget-Conscious Buyers: Users who want a basic smartphone at an affordable price.
  • Casual Users: Individuals who primarily use their phone for communication, social media, and light browsing.
  • First-time Smartphone Users: Users who are not heavily dependent on a phone and do not need advanced features.
  • Users who value simplicity: Those who need a no-frills device with a simple camera and basic features.

Specific Use Cases for A06:

  • Basic day-to-day communication and social media.
  • Light browsing and email.
  • Casual photography and video.
  • Everyday use for users who don't need high performance.

Price-to-Value Ratio:

  • The S21 Ultra offers significantly more features and performance but is more expensive.
  • The A06 is a budget-friendly option with limited performance and features.
  • The price-to-value ratio depends on individual needs and budget.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The S21 Ultra will be significantly more expensive.
  2. How important is performance? The S21 Ultra offers drastically superior performance.
  3. What are your primary use cases? For basic use, the A06 is sufficient, but for more intensive tasks, the S21 Ultra is necessary.

Scenario-Based Recommendations:

  • Scenario 1 (High-Performance User): If you need top-tier performance, a superior display, a versatile camera, and advanced features, and are willing to pay a premium, choose the Samsung Galaxy S21 Ultra 5G.
  • Scenario 2 (Budget-Conscious User): If your budget is the primary concern, and your needs are basic, choose the Samsung Galaxy A06.
  • Scenario 3 (Balanced User): If you need decent performance with a good camera for daily use without needing top-tier performance, consider an alternative phone with a better price/performance ratio.

My Choice

Given the choice, I would pick the Samsung Galaxy S21 Ultra 5G. While it is an older device, its specifications still hold up very well compared to newer mid-range and even some high-end devices. The significant improvements in display quality, processing power, and camera versatility make it a superior device for my needs. As someone who appreciates high-quality visuals, smooth performance, and advanced features, the S21 Ultra’s specifications provide a much better overall user experience that the A06 simply cannot compete with. The additional camera features, and better audio quality, combined with the superior display is what I would use for my daily activities. Even with the trade-offs of being older and heavier, the advantages far outweigh the disadvantages, and still offers far superior value over the A06 due to the advanced features that it provides.

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.