Samsung Galaxy S21 Ultra 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 111.09 cm³ 104.02 cm³
Screen Size to Weight Ratio 3 "/g 3.43 "/g
Weight 227 g 190 g
Height 165.1 mm 163.8 mm
Width 75.6 mm 75.6 mm
Thickness 8.9 mm 8.4 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Space Silver
  • Pearl Blue
  • Crystal Black

Display

Screen Size 6.8 " 6.52 "
Resolution 1440 x 3200 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.4 % 82.9 %
Pixel Density 515 PPI 269 PPI
Refresh Rate 120 Hz N/A
Typical Brightness N/A 480 nits
HBM Brightness N/A N/A
Peak Brightness 1500 nits N/A

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 117.62 mAh/in²
Battery Density 45.01 mAh/cm³ 48.07 mAh/cm³
Battery Capacity 5000 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

Smartphone Comparison: Samsung Galaxy S21 Ultra 5G vs. Oppo A16

1. Specifications Comparison

FeatureSamsung Galaxy S21 Ultra 5GOppo A16Practical Impact
Design
Dimensions165.1 x 75.6 x 8.9 mm163.8 x 75.6 x 8.4 mmS21 Ultra is slightly taller and thicker; negligible in most cases.
Weight227g190gOppo A16 is noticeably lighter, making it more comfortable for extended use.
Display
Size6.8"6.52"S21 Ultra offers a slightly larger viewing area, which is beneficial for media consumption and multitasking.
Resolution1440x3200720x1600S21 Ultra's display is much sharper, resulting in significantly clearer images and text.
Pixel Density (PPI)515269S21 Ultra's display is far more detailed; individual pixels are not visible at normal viewing distances.
TechnologyAMOLEDIPS LCDS21 Ultra has richer blacks, higher contrast, and potentially better battery life with dark themes; more vibrant colors.
Refresh Rate120Hz60HzS21 Ultra offers smoother scrolling and animations, a more fluid experience.
Brightness1500 nits0 nitsS21 Ultra has superior visibility in bright sunlight; Oppo A16 brightness is not stated making it difficult to rate
Performance
ChipsetExynos 2100 (5 nm)Mediatek Helio G35 (12 nm)S21 Ultra offers much faster processing speeds for demanding apps, multitasking and gaming.
AnTuTu Score749,000110,490S21 Ultra is significantly faster for all tasks and will feel much more responsive in day to day use, including gaming.
GPUMali-G78 MP14PowerVR GE8320S21 Ultra has a more powerful GPU for smoother gaming and graphics-intensive applications.
Camera
Main Camera Resolution108MP13MPS21 Ultra captures significantly more detail and performs better in low light.
Main Camera Aperturef/1.8f/2.2S21 Ultra's wider aperture allows more light, improving low-light performance.
Telephoto/Portrait LensYes (10.8MP)NoS21 Ultra offers optical zoom capabilities and portrait mode functionality.
Selfie Camera Resolution44MP8MPS21 Ultra's front camera captures more detailed selfies.
Selfie Camera Aperturef/2.2f/2.0Oppo A16 has a slightly wider aperture for better low light selfies
Telephoto LensYes (10.8MP)NoS21 Ultra offers a secondary telephoto lens for better zoom capabilities
Macro LensNoYes (2MP)Oppo A16 has a dedicated macro camera for close-up photography.
Wide Angle/Macro LensYes (12.2MP)NoS21 Ultra offers a wide angle and macro lens
Black & White CameraNoYes (2MP)Oppo A16 has a dedicated B&W camera
Video RecordingUp to 8K@24fps1080p@30fpsS21 Ultra offers much higher quality video recording with more features like HDR and slow motion.
DXOMark Mobile115N/AS21 Ultra's camera performance is very strong.
DXOMark Selfie135N/AS21 Ultra excels in front-facing camera quality.
Battery
Capacity5000mAh5000mAhBoth phones have similar battery capacity for comparable battery endurance.
Charging25W Fast ChargingStandard ChargingS21 Ultra recharges faster, reducing downtime.
Wireless Charging15WNoS21 Ultra can be charged wirelessly for convenience
Reverse Wireless Charging9WNoS21 Ultra can charge other devices wirelessly
Software
OSAndroid 11 (upgradeable to 15)Android 11 (upgradeable to 12)S21 Ultra will receive software and security updates longer.
Connectivity
Wi-FiWi-Fi 6 (802.11ax)Wi-Fi 5 (802.11ac)S21 Ultra supports faster Wi-Fi with better performance in crowded networks; Offers more features (Wi-Fi Display, Wi-Fi MiMO)
Bluetooth5.25.0S21 Ultra has a newer Bluetooth version offering a slightly more reliable connection.
Storage
Internal Storage128/256/512 GB32/64 GBS21 Ultra has significantly more storage for apps, media, and files.
RAM12/16 GB3/4 GBS21 Ultra offers significantly more RAM for heavy multitasking.
Expandable StorageNoNoNeither phone offers expandable storage.
Audio
QualityDolby Atmos, Hi-Res, StereoBasicS21 Ultra has enhanced audio with better speakers, improved spatial audio for a more immersive experience
Security
Fingerprint SensorBasicSide-mountedOppo A16 is using the more advance fingerprint scanner
Build Quality
Screen ProtectionCorning Gorilla Glass VictusCorning Gorilla Glass 3Samsung Galaxy S21 Ultra 5G has much better screen protection from scratches and cracks
Sensors
SensorsFingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerProximity, Accelerometer, MagnetometerS21 Ultra has more sensors for advanced use cases like gaming

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: Significantly higher resolution, pixel density, AMOLED technology, 120Hz refresh rate, and higher brightness results in a vastly superior viewing experience.
  • Much Higher Performance: The Exynos 2100 chipset provides much faster app loading, smoother multitasking, and better gaming performance.
  • Advanced Camera System: Offers significantly higher resolution, optical zoom capabilities, and advanced features like 8K video recording.
  • Faster Charging & Wireless Options: 25W fast charging, wireless charging, and reverse wireless charging provide convenience and flexibility.
  • More Storage and RAM: Higher RAM allows for better multitasking and more storage space for content and apps.
  • Premium Build Quality: Superior screen protection
  • Better Audio: Enhanced Audio features

Oppo A16 Advantages:

  • Lighter Weight: More comfortable for extended use due to its lighter weight.
  • Side-mounted Fingerprint Sensor: Offers a more convenient and faster unlock experience.
  • Dedicated Macro Lens: Capable of taking close up photos.
  • Lower Price: This device is far more affordable.

Significant Trade-offs:

  • S21 Ultra: Significantly more expensive and slightly heavier.
  • Oppo A16: Much lower display quality, slower performance, inferior camera, and lack of advanced features and poor screen protection

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G Ideal User:

  • Power Users: Those who require top-tier performance for demanding tasks like gaming, video editing, or heavy multitasking.
  • Photography Enthusiasts: Users who prioritize high-quality photos and videos and need advanced features like optical zoom and 8K recording.
  • Media Consumers: Users who enjoy watching high-resolution content and require a vibrant, high-quality display.
  • Professional Users: Professionals who need a reliable device that can handle demanding tasks and provide a good user experience
  • Users who value premium features: Those who appreciate advanced features, a good display and fast charging.

Specific Use Cases (S21 Ultra):

  • Playing graphics-intensive games smoothly.
  • Capturing professional-quality photos and videos.
  • Watching movies or streaming videos on a high-quality display.
  • Working with large files or multitasking across multiple apps.
  • On the go wireless charging.

Oppo A16 Ideal User:

  • Budget-Conscious Users: Those who need a functional smartphone for basic tasks at an affordable price point.
  • Light Users: Users who primarily use their phone for calls, texts, and basic social media browsing.
  • Users Seeking a Lightweight Device: Individuals who prefer a lighter phone for comfortable handling.

Specific Use Cases (Oppo A16):

  • General web browsing and social media use.
  • Everyday communication (calls and messages).
  • Taking casual photos with a capable camera.
  • Macro photography enthusiasts.

Price-to-Value Ratio:

  • S21 Ultra: Justifies its high price with premium performance, display, camera, and features. However, it is a major investment.
  • Oppo A16: Provides basic functionality at an affordable price. It's not a premium device, but offers value to those on a strict budget.

4. Decision Framework

Key Questions for Buyers:

  1. What is my budget? The S21 Ultra is significantly more expensive than the Oppo A16.
  2. What are my primary use cases? Do you need high-performance features, or will basic tasks suffice?
  3. How important is display quality and camera capabilities to me? The S21 Ultra offers a far superior display and camera system.

Scenario-Based Recommendations:

  • Scenario 1: Budget is not a major concern, and you want the best possible smartphone experience: Choose the Samsung Galaxy S21 Ultra 5G. It excels in every aspect of performance and features.
  • Scenario 2: You need a functional smartphone at the lowest possible price: Choose the Oppo A16. It's a good option for basic needs.
  • Scenario 3: You value good camera quality and performance, but don't want to pay a premium: You would need to research other options beyond the scope of this comparison, as the Samsung S21 is the better camera phone.
  • Scenario 4: You prefer lighter phones, and display or camera are not as important: Choose the Oppo A16.

My Choice

If I were choosing, I would select the Samsung Galaxy S21 Ultra 5G. While the price difference is significant, the performance and user experience improvements justify the higher cost for my needs. As a power user, I value a top-tier display, a fast processor, a versatile camera system, and future-proofing, all of which the S21 Ultra provides. The only downside is the weight of the device, but that's a minor compromise for the overall advantages.

The Oppo A16 is a decent option at the budget end of the market, but it is not in the same league in terms of display, performance, and camera capabilities. It would be fine for someone who only needs very basic usage and wants the lightest device.

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.

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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.