Realme 8 vs Sony Xperia 5 III - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 8
Realme 8
Realme

General

Launch Date March 25, 2021 October 8, 2021
Release Year 2021 2021

Physical

Volume 94.95 cm³ 87.54 cm³
Screen Size to Weight Ratio 3.62 "/g 3.63 "/g
Weight 177 g 168 g
Height 160.6 mm 157 mm
Width 73.9 mm 68 mm
Thickness 8 mm 8.2 mm
Foldable Design No No
Available Colors
  • Cyber Silver
  • Cyber Black
  • Black
  • Green
  • Pink

Display

Screen Size 6.4 " 6.1 "
Resolution 1080 x 2400 1080 x 2520
Aspect Ratio 20:9 21:9
Screen-to-Body Ratio 83.3 % 81.4 %
Pixel Density 411 PPI 449 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1000 nits N/A

Hardware

Battery Capacity per Screen Area 122.07 mAh/in² 120.94 mAh/in²
Battery Density 52.66 mAh/cm³ 51.4 mAh/cm³
Battery Capacity 5000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek MT6785V/CD Helio G95 (12 nm) Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Mali-G76 MC4 Adreno 660

Connectivity

USB Version 2.0 3.1
OTG Support 1 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0, OTG USB Type-C 3.1, OTG, Video Output

Software

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

Comparison Summary

1. Specifications Comparison

FeatureRealme 8Sony Xperia 5 IIIPractical Impact
Design
Size160.6 × 73.9 × 8 mm157 × 68 × 8.2 mmRealme 8 is larger and may be less comfortable for one-handed use; Xperia 5 III is more compact.
Weight177g168gXperia 5 III is slightly lighter, potentially more comfortable for extended periods.
Display
Size6.4"6.1"Realme 8 offers a larger viewing area; Xperia 5 III is more pocketable.
Resolution1080x24001080x2520Xperia 5 III has slightly sharper text and images due to slightly higher pixel count.
Pixel Density411 ppi449 ppiXperia 5 III displays sharper, more detailed images.
TechnologyAMOLEDOLEDSimilar display technologies, both offer deep blacks and vibrant colors.
Refresh Rate60Hz120HzXperia 5 III provides much smoother scrolling and animations, a noticeable difference in user experience.
Brightness1000 nits0 nitsRealme 8 is much more usable in bright sunlight, as the Sony Xperia 5 III brightness is not listed.
Performance
ChipsetMediatek Helio G95 (12 nm)Snapdragon 888 5G (5 nm)Xperia 5 III offers significantly faster performance, better for gaming and intensive tasks.
AnTuTu Score409,874880,000Xperia 5 III provides noticeably better performance, faster app loading and smoother multitasking experience.
GPUMali-G76 MC4Adreno 660Xperia 5 III has a much more powerful GPU, important for graphically demanding games and applications.
Battery
Capacity5000mAh4500mAhRealme 8 likely offers better battery life due to the larger capacity.
Charging30W fast charging30W fast chargingBoth charge at the same speed.
FeaturesNon-removableBypass Charging, Non-removableXperia 5 III can bypass charging while plugged in, which is beneficial for gamers.
Camera
Main Camera64MP, f/1.7912MP, f/1.7Realme 8 captures higher resolution images; Xperia 5 III has better low-light performance thanks to wider aperture & larger pixels.
Selfie Camera16MP, f/2.458MP, f/2.0Realme 8 captures higher resolution selfies; Xperia 5 III has better low-light selfie performance thanks to the wider aperture & larger pixels.
Telephoto LensN/A12MP, f/2.2Xperia 5 III has a dedicated telephoto camera for optical zoom; Realme 8 lacks this feature.
Wide Angle Lens8MP, f/2.2512MP, f/2.3Xperia 5 III captures higher resolution ultrawide photos; Realme 8 has a slightly wider aperture.
Macro Lens2MP, f/2.4N/ARealme 8 includes a dedicated macro lens for close-up photography, a feature the Sony Xperia lacks.
Black & white2MP, f/2.4N/ARealme 8 offers a dedicated monochrome sensor for creative shots; Sony Xperia 5 III lacks this feature.
VideoUp to 4K@30fps, EISUp to 4K@120fps, HDR, OIS, EISXperia 5 III has more versatile video recording capabilities with HDR, OIS, and higher frame rates and more stabilization options.
Software
OSAndroid 11Android 11 (upgradeable to 13)Xperia 5 III has longer software support; both devices originally shipped with Android 11.
Connectivity
Wi-FiWi-Fi 5Wi-Fi 6Xperia 5 III supports faster Wi-Fi for better network performance.
Bluetooth5.15.2Xperia 5 III has a newer version of Bluetooth that supports more advanced audio codecs.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), Galileo (E1+E5a)Xperia 5 III has more satellite connectivity, offering greater location accuracy.
SIMDual Nano-SIMDual Nano-SIMBoth support Dual SIM, offering flexibility for personal and work use.
Storage
Internal Storage64GB or 128GB128GB or 256GBXperia 5 III offers double the storage in its top configuration, Realme 8 offers a smaller storage variant.
RAM4GB, 6GB, or 8GB8GBXperia 5 III offers 8GB RAM and ensures smooth multitasking.
Expandable StorageNoNoNeither phone offers expandable storage, so choose an option with enough internal storage.
Audio
QualityHi-Res AudioDolby Atmos, Hi-Res Audio, Stereo SpeakersXperia 5 III offers a more immersive and higher quality audio experience with stereo speakers and Dolby Atmos support.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorXperia 5 III offers a more convenient side-mounted fingerprint scanner.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass 6Xperia 5 III offers better screen protection.
Sensors
SensorsFingerprint, Proximity, Accelerometer, Gyroscope, MagnetometerFingerprint, Proximity, Accelerometer, Compass, Gyroscope, Barometer, HallXperia 5 III includes a wider range of sensors, making it more useful for gaming and activities like hiking.

2. Key Differences Analysis

Realme 8 Advantages:

  • Larger Display: The 6.4-inch screen is better for media consumption and gaming for those who prefer a larger screen.
  • Larger Battery: 5000mAh capacity may provide longer battery life for heavy users.
  • Higher Main Camera Resolution: The 64MP main camera can capture more detailed images in good lighting conditions (though not necessarily better).
  • Brighter Display: 1000 nits of brightness makes it superior for outdoor visibility.
  • Dedicated Macro and B&W lenses: These provide some additional versatility for creative photography, although the quality is likely limited by the low resolutions.

Sony Xperia 5 III Advantages:

  • Superior Performance: Snapdragon 888 provides significantly better performance for demanding applications, gaming, and multitasking.
  • Smoother Display: The 120Hz refresh rate offers a much smoother user experience with less motion blur.
  • Better Camera System: Larger pixel sizes, wider apertures, optical zoom, OIS, and more advanced video features offer better image quality and versatility.
  • More Advanced Video: HDR recording, optical image stabilization (OIS) alongside electronic image stabilization (EIS), and higher frame rate options provide a far superior video recording experience.
  • Better Connectivity: Wi-Fi 6 and Bluetooth 5.2 offer faster and more reliable connections.
  • Better Audio Experience: Stereo speakers and Dolby Atmos support enhances audio quality.
  • More Sensors: The inclusion of a barometer and compass can be very useful for certain users.
  • Better Build Quality: Corning Gorilla Glass 6 offers significantly better screen protection.
  • Software Support: Guaranteed updates to Android 13.
  • Bypass Charging: Useful for gamers that want to avoid excess heat.

Significant Trade-offs:

  • Realme 8: Sacrifices performance, display smoothness, and camera quality for a larger display, potentially longer battery life, and lower price.
  • Sony Xperia 5 III: Has a smaller display and may not have the same battery endurance as the Realme 8 for some users, however it comes with a significantly higher price.

3. User Profiles & Recommendations

Realme 8 Ideal User:

  • Budget-conscious buyers: Seeking a good screen, decent camera, and long battery life without breaking the bank.
  • Casual gamers: Who prioritize display size, battery life, and moderate gaming performance.
  • Users who value screen brightness: Those who need to be able to see their screen in bright daylight.
  • Everyday users: Who use their phone for social media, web browsing, and basic apps.

Sony Xperia 5 III Ideal User:

  • Performance Enthusiasts: Want the best performance for gaming and demanding applications.
  • Photography and Videography: Users who prioritize camera quality, stabilization, zoom, and video recording capabilities.
  • Audiophiles: Who value high-fidelity audio and stereo speakers.
  • Users who value better screen smoothness: Those who can appreciate the difference a 120Hz refresh rate makes.
  • Users looking for a compact device: Those who dislike large screens and prefer portability.
  • Users looking for a more durable device: The Gorilla Glass 6 will help prevent damage to the device.

Use Cases:

  • Realme 8:
    • Watching movies and videos on a larger screen
    • General social media browsing, and web browsing.
    • Daily phone calls and texting with potentially longer battery life.
  • Sony Xperia 5 III:
    • Playing graphics-intensive mobile games.
    • Professional or enthusiast-level mobile photography and videography.
    • Enjoying high-quality music and videos with stereo speakers.
    • Using professional apps that need higher processing power.

Price-to-Value Ratio:

  • The Realme 8 is a better value option for budget-conscious users as it sacrifices features and performance for cost.
  • The Sony Xperia 5 III is better suited for those who don't mind paying extra for a much more powerful chipset, a superior camera, and advanced features.

4. Decision Framework

Key Questions to Consider:

  1. What is my budget? The Realme 8 is substantially cheaper, which might be a deciding factor.
  2. What do I primarily use my phone for? Gaming, photography, multimedia consumption, and general use all favor one phone over the other.
  3. How important is performance, display smoothness, and camera quality? If these are high priorities, the Sony Xperia 5 III is the better choice.

Scenario-Based Recommendations:

  • Scenario 1: Budget User If you need a large screen, decent battery life, and are on a tight budget, the Realme 8 is a good option.
  • Scenario 2: Performance & Camera User If you want the best possible performance, a great camera, smoother display, and advanced features, the Sony Xperia 5 III is the better choice.
  • Scenario 3: Balanced User If you want a mixture of features and performance then the Sony Xperia 5 III is the better choice, but it comes at a higher price point.

My Choice

If I were choosing between these two phones, I would choose the Sony Xperia 5 III. While it comes at a higher price point, its advantages in performance, display smoothness, camera quality, build quality and overall feature set make it a much more compelling option for my needs. I prioritize a smoother user experience, a capable camera system, and long term performance, all of which the Xperia 5 III offers in spades. The better build quality and extra sensors are also nice to have. Although the Realme 8 has a larger display and larger battery, these advantages do not outweigh the significant benefits provided by the Sony Xperia 5 III.

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
  • Technical storytelling
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Bridging technical complexity with engaging, accessible narratives.