Samsung Galaxy S21 Ultra 5G vs Oppo Find X3 Neo - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 March 19, 2021
Release Year 2021 2021

Physical

Volume 111.09 cm³ 92.74 cm³
Screen Size to Weight Ratio 3 "/g 3.56 "/g
Weight 227 g 184 g
Height 165.1 mm 159.9 mm
Width 75.6 mm 72.5 mm
Thickness 8.9 mm 8 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Galactic Silver
  • Starlight Black

Display

Screen Size 6.8 " 6.55 "
Resolution 1440 x 3200 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.4 % 89.3 %
Pixel Density 515 PPI 402 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A N/A
Peak Brightness 1500 nits 1100 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 104.89 mAh/in²
Battery Density 45.01 mAh/cm³ 48.52 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Adreno 650

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

Here's a detailed comparison of the Samsung Galaxy S21 Ultra 5G and the Oppo Find X3 Neo, focusing on their real-world implications:

Design

FeatureSamsung Galaxy S21 Ultra 5GOppo Find X3 NeoPractical Impact
Dimensions165.1 × 75.6 × 8.9 mm159.9 × 72.5 × 8 mmS21 Ultra is larger and bulkier, potentially less comfortable for one-handed use.
Weight227g184gOppo is significantly lighter, making it easier to hold for long periods.
BuildNot specifiedNot specifiedWithout further information, no comparative analysis is possible

Display

FeatureSamsung Galaxy S21 Ultra 5GOppo Find X3 NeoPractical Impact
Size6.8"6.55"S21 Ultra has a slightly larger screen, better for immersive media consumption and multitasking.
Resolution1440x32001080x2400S21 Ultra's higher resolution offers sharper images and text, better for detailed viewing.
PPI515402S21 Ultra's higher pixel density means text and images will appear much clearer.
TechnologyAMOLEDAMOLEDBoth have vibrant colours and deep blacks typical of AMOLED technology.
Refresh Rate120Hz90HzS21 Ultra's 120Hz refresh rate provides a smoother scrolling and gaming experience.
Brightness1500 nits1100 nitsS21 Ultra is much better for outdoor use in bright sunlight, ensuring screen visibility.

Performance

FeatureSamsung Galaxy S21 Ultra 5GOppo Find X3 NeoPractical Impact
ChipsetExynos 2100 (5 nm)Snapdragon 865 5G (7 nm+)Both are high-end processors, but different architectures can result in subtle variations in performance and power efficiency, although the Antutu scores are very similar.
AnTuTu Score749,000743,500Both offer excellent performance for demanding tasks, though the difference is marginal.
GPUMali-G78 MP14Adreno 650These GPUs provide excellent graphics performance, but different games may be optimised differently for them.

Camera

FeatureSamsung Galaxy S21 Ultra 5GOppo Find X3 NeoPractical Impact
Main Camera108MP, f/1.8, 1/1.33"50MP, f/1.8, 1/1.56"S21 Ultra has higher resolution for more detailed shots, larger sensor collects more light, potentially performing better in low-light situations.
Telephoto (Portrait)10.8MP, f/2.4, 1/2.65"N/AS21 Ultra dedicated portrait lens, allows better portrait shots with more natural background blur.
Selfie Camera44MP, f/2.2, 1/2.65"32MP, f/2.4, 1/2.74"S21 Ultra provides more detailed selfies and better performance in low light.
Telephoto Lens10.8MP, f/4.9, 1/2.65"13MP, f/2.4, 1/3.4"Oppo with wider aperture could allow more light, Samsung with larger sensor could improve image quality.
Wide Angle LensN/A16MP, f/2.2Oppo has a dedicated wide-angle camera for capturing expansive shots.
Macro LensN/A2MP, f/2.4, 1/5"Oppo has a dedicated macro lens for close-up photography.
Wide Angle + Macro12.2MP, f/2.2, 1/2.55"N/ASamsung combines these functions into a single lens.
VideoUp to 8K@24fpsUp to 4K@60fpsS21 Ultra can record much higher resolution video, better for content creators.
DxOMark Score (Mobile)115 (Photo: 121, Video: 100)106 (Photo: 104, Video: 106)S21 Ultra excels in photo quality while Oppo offers a slightly better video performance.
DxOMark Score (Selfie)135 (Photo: 133, Video: 140)N/AS21 Ultra selfie camera performs very well in this benchmark.

Battery

FeatureSamsung Galaxy S21 Ultra 5GOppo Find X3 NeoPractical Impact
Capacity5000mAh4500mAhS21 Ultra's larger battery may provide longer usage time between charges.
Charging25W Fast Charging65W Fast ChargingOppo charges much faster, reducing the time spent plugged into a power source.
Features15W Wireless Charging, 9W Reverse Wireless ChargingN/AS21 Ultra offers more versatile charging options.

Other

FeatureSamsung Galaxy S21 Ultra 5GOppo Find X3 NeoPractical Impact
Operating SystemAndroid 11, Max version 15Android 11, Max version 12Samsung offers longer software support and security updates.
Bluetooth5.25.1S21 Ultra supports more advanced Bluetooth features with more codecs, better support for peripheral devices
Internal Storage128/256/512 GB128/256 GBS21 Ultra offers an option with a higher internal storage for more files, apps, and media.
RAM12/16GB12GBS21 Ultra offers up to 16 GB for heavy multitasking and resource-intensive games.
Expandable StorageNoNoNo option for expandable storage, choose the size you need.
AudioDolby Atmos, Noise cancellation microphone, Stereo SpeakersHi-Res Audio, Stereo SpeakersS21 Ultra provides better audio immersion and better microphone features.
Screen ProtectionGorilla Glass VictusGorilla Glass 5S21 Ultra's screen is more resistant to scratches and drops.
SensorsBarometer, Hall, Geomagnetic, Fingerprint, Proximity, Accelerometer, Compass, GyroscopeGravity, Pedometer, Fingerprint, Proximity, Accelerometer, Compass, GyroscopeS21 Ultra has a more comprehensive sensor suite, which can provide more accurate data for a wide range of applications.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages

  • Superior Display: Higher resolution, pixel density, refresh rate, and brightness make the display significantly better for overall viewing quality, especially in outdoor conditions.
  • Enhanced Camera System: Offers a more versatile camera system with 108MP main sensor, additional telephoto lens and a very good selfie camera. Also provides 8K video recording.
  • More Versatile Battery: Larger battery capacity with wireless and reverse wireless charging capabilities.
  • Better Audio: Dolby Atmos and a noise cancellation microphone enhance the audio experience and call quality.
  • Longer Software Support: The S21 Ultra is slated to receive updates to Android 15, giving it an advantage in longevity over the Find X3 Neo, which is capped at Android 12.
  • More Storage Options: With a 512 GB storage option, the S21 Ultra can store a larger amount of data.
  • More RAM Option: The S21 Ultra offers a higher ram option of 16 GB
  • Better Screen Protection: The S21 Ultra has better scratch and drop resistance with Gorilla Glass Victus.

Oppo Find X3 Neo Advantages

  • Lighter and More Compact: The Oppo is significantly lighter and smaller, making it more comfortable for everyday use and one-handed operation.
  • Faster Charging: 65W charging dramatically reduces charging times, making it more convenient for users on the go.
  • Dedicated Wide Angle and Macro Lenses: The X3 Neo offers a more complete camera setup with dedicated wide-angle and macro lenses, improving creative capabilities.

Trade-offs

  • S21 Ultra: Sacrifices portability and weight for a superior display and more advanced camera/battery system. Also, its faster charging option is inferior to that of the Oppo.
  • Oppo Find X3 Neo: Offers greater portability and faster charging, but falls short in display quality, software support, and camera performance compared to the S21 Ultra.

3. User Profiles & Recommendations

  • Samsung Galaxy S21 Ultra 5G:

    • Ideal User: Power users who prioritize a top-tier display, professional-grade camera capabilities, long battery life, better audio, and long software support.
    • Use Cases: Ideal for media consumption (movies, high-res photos), professional photography/videography, gaming, business users who require robust performance and comprehensive features.
    • Price-to-Value: Offers a premium experience but comes at a higher price point. It is for those who want the best possible performance and do not mind the extra cost.
  • Oppo Find X3 Neo:

    • Ideal User: Users who value a lightweight, portable, easy-to-handle phone with fast charging.
    • Use Cases: Suitable for everyday use, social media, casual photography, and users who need a fast charging phone.
    • Price-to-Value: Offers good performance and features at a potentially lower price point than the S21 Ultra, offering great value.

4. Decision Framework

Here are three key questions to consider when choosing between these two phones:

  1. Display Preference: Do you value a larger, higher-resolution, brighter display with a smoother refresh rate above all else, or is a good enough display acceptable?

    • Scenario: If you watch a lot of movies or play graphics-intensive games, the S21 Ultra's superior display will make a big difference.
  2. Portability and Charging Speed: Is it more important to have a light, easy-to-handle phone that charges rapidly or are you okay with a bulkier phone if that means a longer lasting battery?

    • Scenario: If you're often on the move and need to charge your phone quickly, the Oppo Find X3 Neo would be better.
  3. Camera Needs: Do you require the most comprehensive camera system with 8K video recording capabilities or is a good camera enough?

    • Scenario: If you're a serious photographer/videographer, the S21 Ultra will offer more advanced capabilities, while the Oppo Find X3 Neo provides very good quality images for casual use.

My Choice and Why

If I had to choose between these two phones, I would choose the Samsung Galaxy S21 Ultra 5G.

Here's why:

While I appreciate the Oppo Find X3 Neo's lighter weight and faster charging, the S21 Ultra's advantages align more with my priorities as a smartphone user. The superior display with its higher resolution and brightness is a massive benefit, especially for media consumption and reading. I would use the phone for extended periods of time and want to have the best possible screen quality. Furthermore, the more comprehensive camera system with its 8K video recording and additional telephoto lenses would be more useful to me, as I do want a good camera on my phone. Finally, the longer software support and better audio capabilities of the Samsung are also important factors. Despite being bulkier, the benefits provided by the S21 Ultra's top-tier features make it the better choice for my use case and preferences.

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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Bridging technical complexity with engaging, accessible narratives.