Samsung Galaxy S21 Ultra 5G vs Sony Xperia 5 IV - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 September 22, 2022
Release Year 2021 2022

Physical

Volume 111.09 cm³ 85.71 cm³
Screen Size to Weight Ratio 3 "/g 3.55 "/g
Weight 227 g 172 g
Height 165.1 mm 156 mm
Width 75.6 mm 67 mm
Thickness 8.9 mm 8.2 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Black
  • Green
  • Ecru White

Display

Screen Size 6.8 " 6.1 "
Resolution 1440 x 3200 1080 x 2520
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 89.4 % 83.2 %
Pixel Density 515 PPI 449 PPI
Refresh Rate 120 Hz 120 Hz
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 134.37 mAh/in²
Battery Density 45.01 mAh/cm³ 58.34 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Qualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Mali-G78 MP14 - International Adreno 730

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 15 13

Comparison Summary

1. Specifications Comparison

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

FeatureSamsung Galaxy S21 Ultra 5GSony Xperia 5 IVPractical Impact
Design
Size165.1 × 75.6 × 8.9 mm156 × 67 × 8.2 mmS21 Ultra is significantly larger; Xperia 5 IV is more pocketable and easier to handle one-handed.
Weight227g172gXperia 5 IV is much lighter, making it more comfortable for extended use and portability.
Display
Size6.8"6.1"S21 Ultra has a much larger display, better for media consumption, gaming, and multitasking. Xperia 5 IV is more compact.
Resolution1440x32001080x2520S21 Ultra has higher resolution, resulting in a noticeably sharper and more detailed display.
Pixel Density (PPI)515449S21 Ultra's higher PPI results in finer details and sharper text, beneficial for reading and detailed image viewing.
TechnologyAMOLEDOLEDBoth offer excellent color reproduction and deep blacks; differences are negligible in daily use.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations; the user experience is almost identical.
Brightness1500 nits0 nitsThe S21 Ultra offers vastly superior outdoor visibility, making it significantly better for use in bright sunlight. The Sony brightness spec is likely incorrect.
Performance
ChipsetExynos 2100 (5 nm)Snapdragon 8 Gen 1 (4 nm)Xperia 5 IV has a newer, more efficient chipset, generally providing better performance and power management.
AnTuTu Score749,0001,021,542Xperia 5 IV shows significantly better performance in benchmarks, which translates to faster app loading, smoother multitasking, and better gaming.
GPUMali-G78 MP14Adreno 730Xperia 5 IV's Adreno 730 GPU generally performs better in graphics-intensive tasks, particularly gaming.
Battery
Capacity5000mAh5000mAhBoth phones have identical battery capacity, suggesting similar battery life, though real-world usage may vary.
Charging25W30WXperia 5 IV charges slightly faster, reducing time spent plugged in.
FeaturesWireless charging, reverse chargingBypass Charging, reverse chargingS21 Ultra offers wireless charging and reverse wireless charging. Xperia 5 IV offers bypass charging, which can reduce battery degradation.
Camera
Standard Camera108MP, f/1.8, 1/1.33"12MP, f/1.7, 1/1.7"S21 Ultra captures higher resolution images with a larger sensor. Xperia 5 IV has a slightly wider aperture and larger pixels for better low-light performance.
Telephoto Camera10.8MP, f/2.4, 1/2.65"12MP, f/2.4, 1/3.5"S21 Ultra has an additional telephoto lens; both have telephoto cameras for better zoom capability. Xperia 5 IV has a slightly wider aperture.
Wide Angle Camera12.2 MP, f/2.2, 1/2.55"12MP, f/2.2, 1/2.55"Both have a wide angle lens; S21 Ultra's camera can also do macro shots.
Selfie Camera44MP, f/2.2, 1/2.65"12MP, f/2.0, 1/2.5"S21 Ultra has a significantly higher resolution selfie camera. Xperia 5 IV has wider aperture for slightly better low-light selfies.
VideoUp to 8K@24fpsUp to 4K@120fpsS21 Ultra can record in 8K, ideal for professional-quality footage. Xperia 5 IV offers up to 4k at 120 fps providing higher frame rates for better slow-motion video.
DxOMark Mobile Score115119Sony Xperia 5 IV has a better camera according to the score, particularly for video performance.
DxOMark Selfie Score135Not TestedThe S21 Ultra has a better front-facing camera according to the score.
Software
OSAndroid 11 (up to 15)Android 12 (up to 13)Xperia 5 IV ships with a newer version of Android but less update in the future.
Connectivity
Wi-FiWi-Fi 6, MiMOWi-Fi 6Both support fast Wi-Fi 6; Samsung has MiMO.
Bluetooth5.2, ANT+5.2, LDAC, AACBoth have Bluetooth 5.2; Xperia 5 IV supports more audio codecs like LDAC, and AAC; S21 Ultra supports ANT+.
GPSGPS, Galileo(L1+L5)GPS, QZSS, Galileo(L1+L5)Sony supports more systems and is generally more accurate.
SIMDual SIMDual SIM + eSIMSony Xperia 5 IV offers more versatility for travelers.
Storage
Internal128/256/512GB128/256GBS21 Ultra offers a higher storage option at 512GB.
RAM12/16GB8GBS21 Ultra provides more RAM for heavier multitasking and more demanding applications.
ExpandableNoNoNeither phone supports expandable storage.
Audio
Audio QualityDolby Atmos, Hi-Res Audio, Stereo Speakers, Noise cancellation micDolby Atmos, Hi-Res Audio, Stereo SpeakersS21 Ultra offers more advanced audio recording features.
Security
FingerprintBasic fingerprintSide-mounted fingerprintSide-mounted sensors tend to be faster and more reliable.
Build Quality
Screen ProtectionGorilla Glass VictusGorilla Glass VictusBoth offer excellent screen protection.
Sensors
SensorsGeomagnetic, Fingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerFingerprint, Proximity, Accelerometer, Compass, Gyroscope, BarometerS21 Ultra has more advanced sensor suite.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Larger and Sharper Display: The 6.8-inch AMOLED display with higher resolution and PPI offers a superior viewing experience for media consumption and detailed tasks.
  • Higher Resolution Cameras: The 108MP main camera, and 44MP selfie camera offer the ability to capture more detailed images, and is better for printing large photos and video.
  • Advanced Camera Features: Offers 8K video recording, laser AF, and an additional telephoto lens, a superior option for a more professional experience.
  • More RAM and Storage Options: The option for 16GB of RAM and 512GB of storage makes this phone better for heavy multitasking, and for power users who require a lot of storage.
  • Wireless Charging Capabilities: Includes 15W wireless charging, and 9W reverse wireless charging, for more convenience and flexibility in charging.
  • More Comprehensive Sensor Suite: Includes geomagnetic sensor for advanced use cases.

Sony Xperia 5 IV Advantages:

  • More Compact and Lighter: The smaller form factor and lighter weight make it easier to handle and more portable, better for one-handed use.
  • Faster Chipset: The Snapdragon 8 Gen 1 offers better overall performance and efficiency, especially for gaming.
  • Better Benchmark Scores: Significantly higher AnTuTu score indicates better performance for apps and games.
  • Better Battery Features: Bypass charging helps to keep the battery healthier for longer by not over charging.
  • Better Video Camera Performance: Achieved a higher video score in the DxOMark test and records up to 4K@120fps, better for capturing high frame rate videos and creating slow-motion footage.
  • More versatile SIM support: Supports eSIM for digital carrier switching and easy travel.
  • Wider Aperture Selfie Camera: Better low-light performance for selfies.
  • More Audio Codec Support: LDAC and AAC Bluetooth audio support provides a more enhanced audio experience.
  • More Accurate GPS: Supports QZSS which provides better location accuracy.
  • Better Main Camera for Low Light: Larger sensor and pixel size, along with a slightly wider aperture, make the main camera more suitable for low-light situations.

Significant Trade-offs:

  • Samsung: Loses in performance (chipset), portability, and video quality.
  • Sony: Loses in screen size and resolution, storage and ram options, and wireless charging.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G is Ideal For:

  • Media Enthusiasts: Users who prioritize a large, high-resolution display for watching videos, browsing, and gaming.
  • Photography Enthusiasts: Users who want versatile camera capabilities, including higher resolution photos, and 8K video capture.
  • Power Users: Those who need large RAM and storage for demanding tasks, such as video editing and gaming.
  • Those who prioritize wireless charging: Those who prefer the convenience of charging wirelessly without the need for a cable.

Specific Use Cases:

*   Watching high-resolution movies or TV shows.
*   Taking detailed landscape or portrait photos with its versatile zoom.
*   Playing graphically intensive games.
*   Heavy multitasking with multiple apps.

Sony Xperia 5 IV is Ideal For:

  • Mobile Gamers: Users who prioritize raw performance, smoother gameplay, and a lighter, more ergonomic design.
  • Content Creators: Those who need great camera video performance, with 4K@120fps.
  • Users Wanting a Compact Phone: Those who prefer a more manageable, pocketable phone for one-handed use and portability.
  • Travelers: Those who need an eSIM enabled device with better GPS accuracy.

Specific Use Cases:

*   Playing graphic-intensive mobile games at high frame rates.
*   Recording high-quality slow-motion videos.
*   Easily using the phone with one hand.
*   Traveling internationally with a digital sim.

4. Decision Framework

Here are three key questions to guide your decision:

  1. Do you prioritize a large, immersive display and the best possible photography and videography, or a more compact phone with cutting-edge performance?

    • Samsung: Opt for the S21 Ultra if a larger, higher-resolution display and advanced camera capabilities are more important.
    • Sony: Choose the Xperia 5 IV if you prefer a more compact and lighter phone, with better gaming performance and high frame-rate videos.
  2. How important is battery life, storage and charging versatility to you?

    • Samsung: Choose this device if wireless charging is important and you prefer to have a large storage option.
    • Sony: Go for this device if better battery bypass charging and fast charging is preferred.
  3. Are you looking for a more versatile camera system, or do you prioritize video recording?

    • Samsung: The S21 Ultra has a more versatile camera system with a high MP main camera, two telephoto lenses, macro capabilities, and 8K recording.
    • Sony: The Xperia 5 IV's strength lies in it's better video capabilities and low-light performance.

Recommendation:

If I were choosing, I would pick the Sony Xperia 5 IV. While the S21 Ultra has a larger, higher-resolution display and more advanced camera features on paper, the Xperia 5 IV's combination of superior chipset performance, lighter design, better video camera, and eSIM support is more appealing for my personal use cases. I prioritize smooth performance, gaming, and video recording. The slightly smaller screen is not a deal-breaker for me, and I value the improvements that the device offers, particularly in video, portability, and battery health with the bypass feature. The better GPS and eSIM support are also features that I would use frequently when traveling. Therefore, the Sony Xperia 5 IV is the better choice for my personal needs 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.

Key Strengths:

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