Samsung Galaxy S21 5G vs Oppo A16 - Detailed Phone Comparison

Detailed Comparison

Specification
Oppo A16
Oppo A16
Oppo

General

Launch Date January 29, 2021 July 17, 2021
Release Year 2021 2021

Physical

Volume 85.33 cm³ 104.02 cm³
Screen Size to Weight Ratio 3.67 "/g 3.43 "/g
Weight 169 g 190 g
Height 151.7 mm 163.8 mm
Width 71.2 mm 75.6 mm
Thickness 7.9 mm 8.4 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Space Silver
  • Pearl Blue
  • Crystal Black

Display

Screen Size 6.2 " 6.52 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 82.9 %
Pixel Density 421 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 480 nits
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 117.62 mAh/in²
Battery Density 46.88 mAh/cm³ 48.07 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes No
Chipset Exynos 2100 (5 nm) - International Mediatek MT6765G Helio G35 (12 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU Mali-G78 MP14 - International PowerVR GE8320

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 11
Maximum OS Version 15 12

Comparison Summary

1. Specifications Comparison

Design

FeatureSamsung Galaxy S21 5GOppo A16Practical Impact
Dimensions151.7 x 71.2 x 7.9 mm163.8 x 75.6 x 8.4 mmS21 5G is more compact and pocketable; A16 is larger and may be less comfortable for small hands.
Weight169g190gS21 5G is significantly lighter, making it more comfortable for extended use and one-handed operation.
BuildGorilla Glass Victus (screen)Gorilla Glass 3 (screen)S21 5G has better scratch and drop resistance due to its superior screen protection.

Display

FeatureSamsung Galaxy S21 5GOppo A16Practical Impact
Size6.2"6.52"A16 offers a larger screen for media consumption, while S21 5G is more compact for one-handed use.
Resolution1080 x 2400720 x 1600S21 5G has a sharper display with more detail, crucial for reading, browsing, and viewing high-resolution content.
Pixel Density421 ppi269 ppiS21 5G's display will look crisper and clearer compared to the A16.
TechnologyAMOLEDIPS LCDS21 5G has superior contrast, color vibrancy, and deeper blacks, and can be more efficient with dark mode. A16's IPS panel is more basic.
Refresh Rate120Hz60HzS21 5G offers smoother scrolling, animations, and gaming, whereas A16 is limited to standard refresh rates.
Brightness1300 nits0 nitsS21 5G is significantly brighter and easier to use in direct sunlight. The 0 nits value for the Oppo A16 is highly unusual, and is likely a data error. We are assuming for this analysis, that the screen is bright enough to be visible in regular indoor conditions, and will perform significantly worse in sunlight.

Performance

FeatureSamsung Galaxy S21 5GOppo A16Practical Impact
ChipsetExynos 2100 (5 nm)Mediatek Helio G35 (12 nm)S21 5G's chip provides significantly faster performance, smoother multitasking, better gaming, and is more power-efficient. The A16's chip is basic for light use.
AnTuTu Score749,100110,490S21 5G offers much faster app loading, smoother multitasking, and a better overall experience, while the A16 will feel significantly slower.
GPUMali-G78 MP14PowerVR GE8320S21 5G provides a much superior graphics experience for gaming and demanding applications. The A16 GPU is basic.
RAM8 GB3 GB or 4 GBS21 5G can handle more apps running simultaneously without slowdowns, while A16 may struggle with heavy multitasking.

Camera

FeatureSamsung Galaxy S21 5GOppo A16Practical Impact
Main Camera12MP f/1.813MP f/2.2S21 5G has a wider aperture, potentially better in low-light conditions, even though it has slightly lower resolution
Telephoto Camera64MP f/2.0NoneS21 5G offers optical zoom for better image quality at a distance.
Ultrawide Camera12.2MP f/2.2NoneS21 5G allows for wide-angle shots, which A16 cannot do.
Macro CameraNone2MP f/2.4A16 has a dedicated macro camera for close-up shots, which S21 5G lacks
Selfie Camera10MP f/2.28MP f/2.0S21 5G has slightly higher resolution, while A16 has a slightly wider aperture
Video RecordingUp to 8K@24fpsUp to 1080p@30fpsS21 5G is capable of high-quality video recordings for professional content creation.
DxOMark Score (Mobile)111N/AS21 5G has a tested camera quality advantage according to DxOMark.
DxOMark Score (Selfie)132N/AS21 5G has a much better performing selfie camera
FeaturesOIS, Optical Zoom, 8K VideoBasic camera featuresS21 5G offers advanced camera capabilities and modes, like night mode, RAW capture, and optical image stabilization.

Battery

FeatureSamsung Galaxy S21 5GOppo A16Practical Impact
Capacity4000 mAh5000 mAhA16 likely offers longer battery life due to larger capacity. However, factors like processor efficiency and display type will also have impact.
Charging25W Fast Charging, 15W WirelessBasic LithiumS21 5G charges significantly faster and has wireless charging, a big convenience factor. The A16's charging speed is not specified, but will not be as fast
FeaturesWireless & Reverse Wireless ChargingReverse ChargingS21 5G offers more charging flexibility. Neither phone comes with a charger in the box.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Display: AMOLED panel with higher resolution, refresh rate, and brightness provides a much better viewing experience.
  • Significantly Higher Performance: The Exynos 2100 chipset offers drastically better performance for gaming, multitasking, and overall responsiveness.
  • Advanced Camera System: Offers better image quality, more versatile options (telephoto, ultrawide), and higher video recording capabilities with stabilization and additional features.
  • Faster Charging: Supports fast wired and wireless charging.
  • Better Build Quality: Uses Gorilla Glass Victus for enhanced screen protection.
  • Advanced Features: Stereo Speakers, Dolby Atmos, and a Barometer

Oppo A16 Advantages:

  • Larger Battery: Potentially longer battery life due to its larger 5000 mAh battery.
  • Dedicated Macro Camera: Offers close-up macro photography capability, although at a lower quality sensor.
  • Lower Cost: Likely to be significantly more affordable than the S21 5G (although the specific prices are not specified).
  • Side Mounted Fingerprint Sensor: May be a better ergonomic option for unlocking the phone

Trade-offs

  • S21 5G: Higher cost, smaller battery.
  • Oppo A16: Significantly lower display and performance quality, limited camera capabilities, lacking advanced features.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal User:

  • Power Users: Individuals who demand high performance for gaming, multitasking, and demanding apps.
  • Photography Enthusiasts: Users who value camera quality and versatility, needing features like telephoto zoom and high-resolution video recording.
  • Multimedia Lovers: Users who consume a lot of video and want the best possible display quality.
  • Tech-Savvy Users: People who appreciate advanced features, fast charging, and premium build quality.
  • Users who need a brighter screen for outdoor use: The S21 has a significantly brighter screen.

Specific Use Cases:

  • Mobile Gaming (High graphics and refresh rate support)
  • High quality content creation (8K video, advanced image processing)
  • Professional photography and video
  • High performance productivity work (fast and responsive multitasking)

Oppo A16 Ideal User:

  • Budget-Conscious Users: Those seeking an affordable smartphone for basic tasks.
  • Casual Users: Individuals who prioritize battery life and basic camera functionality.
  • First-Time Smartphone Users: People who need a simple device for calls, texts, and light social media use.
  • Users who prioritize large battery: Battery life is the biggest advantage here.
  • Users who don't need high performance: The processing power is the lowest of the two options

Specific Use Cases:

  • Basic communication (calls, messaging)
  • Casual social media browsing
  • Extended battery life for travel or fieldwork
  • Basic day to day tasks, that dont require high processing power

4. Decision Framework

Key Questions for Buyers:

  1. What's your budget? Is price a major deciding factor, or are you willing to pay more for premium features?
  2. What are your primary use cases? Do you prioritize gaming, photography, media consumption, or basic tasks?
  3. How important is display quality and performance? Are you satisfied with a standard experience, or do you need high-end capabilities?

Scenario-Based Recommendations:

  • Scenario 1: High-Performance/Camera Focused User: If you want the best performance, display, and camera experience and price is a secondary concern, the Samsung Galaxy S21 5G is the clear choice.

  • Scenario 2: Budget Conscious User: If you need a basic phone for essential tasks and have a limited budget, then Oppo A16 is an acceptable choice, focusing on essential features and a large battery over advanced functionality.

  • Scenario 3: Multimedia Focused User: For users who prioritize watching content on the go, the S21 is the better option due to its AMOLED screen. The Oppo offers a larger screen, but the quality is not as good, and will be harder to view in bright conditions.

My Choice and Explanation

If I were choosing between the two phones, I would pick the Samsung Galaxy S21 5G. Despite the smaller battery, the overall experience is far superior. The vastly improved display, superior performance, and significantly better camera system make it a much more versatile and enjoyable device. While the Oppo A16 might offer longer battery life and a more budget friendly experience, the S21 offers features that are far more practical in the long run. The S21 is a well-rounded device that would be more enjoyable to use across a wide range of tasks, and would last longer before needing to be replaced.

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.