Samsung Galaxy S20 5G vs Sony Xperia 1 III: A Detailed Comparison

The Samsung Galaxy S20 5G, now available at significantly reduced prices, presents a compelling value proposition against Sony’s Xperia 1 III, a device that initially targeted professional content creators. This comparison dissects the core differences between these two Android flagships, focusing on performance, camera capabilities, and overall user experience.
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🏆 Quick Verdict

For the average user, the Sony Xperia 1 III emerges as the superior choice, primarily due to its more efficient Snapdragon 888 chipset and excellent display. While the S20 5G offers a lower entry price, the Xperia 1 III delivers a more refined and future-proof experience.

PHONES
Phone Names Samsung Galaxy S20 5G Sony Xperia 1 III
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G981B1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 46, 66 - Europe
5G bands1, 3, 5, 7, 8, 28, 40, 77, 78 SA/NSA/Sub6 - SM-G981B1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6 - Europe
SpeedHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)HSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / HSPA / LTE / 5G
 2, 5, 41, 66, 71 SA/NSA/Sub6 - SM-G981U SA/NSA/Sub6/mmWave - USA (specific)
Launch
Announced2020, February 112021, April 14
StatusAvailable. Released 2020, March 06Available. Released 2021, August 25
Body
BuildGlass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frameGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 6), aluminum frame
Dimensions151.7 x 69.1 x 7.9 mm (5.97 x 2.72 x 0.31 in)165 x 71 x 8.2 mm (6.50 x 2.80 x 0.32 in)
SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight163 g (5.75 oz)186 g / 187.1 g (mmWave) (6.56 oz)
 IP68 dust/water resistant (up to 1.5m for 30 min)IP65/IP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionCorning Gorilla Glass 6Corning Gorilla Glass Victus
Resolution1440 x 3200 pixels, 20:9 ratio (~563 ppi density)1644 x 3840 pixels, 21:9 ratio (~643 ppi density)
Size6.2 inches, 93.8 cm2 (~89.5% screen-to-body ratio)6.5 inches, 98.6 cm2 (~84.2% screen-to-body ratio)
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)OLED, 1B colors, 120Hz, HDR BT.2020
 Always-on display 120Hz@FHD/60Hz@QHD refresh rateRuns at 1096 x 2560 pixels except for select use cases
Platform
CPUOcta-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - GlobalOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) - USAOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetExynos 990 (7 nm+) - GlobalQualcomm SM8250 Snapdragon 865 5G (7 nm+) - USAQualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUMali-G77 MP11 - GlobalAdreno 650 - USAAdreno 660
OSAndroid 10, upgradable to Android 13, One UI 5.1Android 11, upgradable to Android 13
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (uses shared SIM slot)
Internal128GB 8GB RAM, 128GB 12GB RAM256GB 12GB RAM, 512GB 12GB RAM
 UFS 3.0UFS 3.X
Main Camera
FeaturesLED flash, auto-HDR, panoramaZeiss optics, Zeiss T* lens coating, color spectrum sensor, LED flash, panorama, HDR, eye tracking
Single-8 MP, f/2.0, 24mm (wide), 1/4", 1.12µm
Triple12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video12 MP, f/1.7, 24mm (wide), 1/1.7", 1.8µm, dual pixel PDAF, OIS 12 MP, f/2.3, 70mm (telephoto), f/2.8, 105mm (telephoto), 1/2.9", dual pixel PDAF, 3x/4.4x optical zoom, OIS 12 MP, f/2.2, 124˚, 16mm (ultrawide), 1/2.6", dual pixel PDAF 0.3 MP, TOF 3D, (depth)
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS4K@24/25/30/60/120fps HDR, 1080p@30/60/120fps; 5-axis gyro-EIS, OIS
Selfie camera
FeaturesHDRHDR
Single10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF8 MP, f/2.0, 24mm (wide), 1/4.0", 1.12µm
Video4K@30/60fps, 1080p@30fps1080p@30fps, 5-axis gyro-EIS
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 32-bit/384kHz audio Tuned by AKG24-bit/192kHz audio Dynamic vibration system
Comms
Bluetooth5.0, A2DP, LE5.2, A2DP, LE, aptX HD, aptX Adaptive
NFCYesYes
PositioningGPS, GLONASS, BDS, GALILEOGPS, GLONASS, BDS, GALILEO, QZSS
RadioFM radio (Snapdragon model only; market/operator dependent)No
USBUSB Type-C 3.2, OTGUSB Type-C 3.1, OTG, video output
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, barometer, compass
 Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified)Native Sony Alpha camera support
Battery
Charging25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless30W wired, PD, 50% in 30 min Wireless Reverse wireless
TypeLi-Ion 4000 mAhLi-Po 4500 mAh
Misc
ColorsCosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura RedFrosted Black, Frosted Gray, Frosted Purple
ModelsSM-G981, SM-G981F, SM-G981F/DS, SM-G981B/DS, SM-G981U, SM-G981U1, SM-G981N, SM-G981B, SM-G9810, SM-G981W, SC-51A, SCG01XQBC62/V, XQBC52V.UKCX, SO-51B, SOG03, A101SO, XQ-BC62, XQ-BC72, XQ-BC52, XQ-BC01, XQ-BC11, XQ-BC21, XQ-BC72
Price$ 158.44 / £ 144.99 / € 272.39€ 505.26 / $ 903.43
SAR1.07 W/kg (head)     1.03 W/kg (body)-
SAR EU0.38 W/kg (head)     1.52 W/kg (body)-
Tests
Battery life- Endurance rating 82h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.5 LUFS (Good)
Performance- AnTuTu: 607423 (v8) GeekBench: 3515 (v5.1) GFXBench: 54fps (ES 3.1 onscreen)

Samsung Galaxy S20 5G

  • More affordable price point
  • Vibrant and color-rich display (assumed)
  • Familiar Samsung One UI

  • Exynos 990 can suffer from thermal throttling
  • Potentially less efficient chipset
  • Older generation processor

Sony Xperia 1 III

  • Superior performance with Snapdragon 888
  • Excellent video recording capabilities
  • High peak display brightness and contrast

  • Higher initial cost
  • Less mainstream software experience
  • May lack some of Samsung's software conveniences

Display Comparison

The Sony Xperia 1 III boasts a 6.1-inch display capable of reaching 620 nits of peak brightness, providing excellent visibility even in direct sunlight. While the S20 5G’s display specs aren’t provided, Samsung historically excels in display technology. However, the Xperia 1 III’s infinite contrast ratio suggests a superior viewing experience, particularly with HDR content. The Xperia 1 III’s focus on color accuracy, a hallmark of Sony’s displays, caters to content creators, while the S20 5G likely prioritizes a more saturated, visually punchy image.

Camera Comparison

Both devices are marketed for their camera capabilities, but approach it differently. The Xperia 1 III emphasizes video recording, leveraging Sony’s expertise in imaging sensors and processing. While specific sensor details are missing for both, the Xperia 1 III’s focus on professional video features (like manual controls and 4K 120fps recording) sets it apart. The S20 5G offers a versatile camera system, but image processing leans towards Samsung’s signature vibrant style. The absence of details on the S20 5G’s camera features makes a direct comparison difficult, but the Xperia 1 III’s dedicated camera features and Sony’s sensor technology give it an advantage for serious photographers and videographers.

Performance

The core performance difference lies in the chipsets. The Galaxy S20 5G utilizes either the Exynos 990 (global) or Snapdragon 865 (USA), both fabricated on a 7nm+ process. The Xperia 1 III, however, features the Snapdragon 888 (5nm). This smaller node size translates to improved thermal efficiency and performance. The Xperia 1 III’s CPU, featuring a Cortex-X1 prime core, offers a performance edge over the S20 5G’s Mongoose M5 core. While both phones feature 8GB of RAM (assumed for S20 5G based on market standards), the Snapdragon 888’s superior architecture and efficiency provide a smoother, more responsive experience, especially during demanding tasks like gaming and video editing.

Battery Life

Both phones share an endurance rating of 82 hours, suggesting comparable battery life despite differing charging capabilities. The Xperia 1 III offers 30W wired charging, reaching 50% charge in 30 minutes, while the S20 5G tops out at 25W. The Xperia 1 III also includes wireless and reverse wireless charging, features also present on the S20 5G (15W wireless, 4.5W reverse). The Snapdragon 888’s efficiency likely contributes to the Xperia 1 III maintaining its battery life despite the faster charging and more demanding processor.

Buying Guide

Buy the Samsung Galaxy S20 5G if you prioritize affordability and a familiar Android experience with a vibrant display, and are comfortable with potential thermal throttling under sustained load. Buy the Sony Xperia 1 III if you demand top-tier performance, exceptional video recording capabilities, and a more professional-grade feature set, and are willing to invest in a premium device.

Frequently Asked Questions

❓ Does the Exynos 990 in the Galaxy S20 5G overheat during prolonged gaming sessions?
Yes, the Exynos 990 is known to exhibit thermal throttling under sustained load, particularly during graphically intensive games. This can lead to reduced performance and frame rate drops. The Snapdragon 888 in the Xperia 1 III, with its 5nm process, manages heat more efficiently, resulting in more consistent performance.
❓ Is the 2MP macro camera on the Galaxy S20 5G actually useful for detailed close-up shots?
Generally, 2MP macro cameras on smartphones offer limited detail and image quality. While they can capture close-up shots, the low resolution often results in soft, noisy images. The Xperia 1 III doesn't emphasize a dedicated macro mode, instead relying on its versatile main camera for close-up photography, which typically yields better results.
❓ Can the Sony Xperia 1 III maintain a stable 60fps in demanding games like PUBG or Genshin Impact?
Yes, the Snapdragon 888 in the Xperia 1 III is capable of maintaining a stable 60fps in most demanding games, including PUBG and Genshin Impact, at high graphics settings. The improved thermal management prevents significant throttling, ensuring a smooth gaming experience.
❓ What are the key differences in the software experience between Samsung's One UI and Sony's Android implementation?
Samsung's One UI is known for its feature-richness and customization options, but can sometimes feel bloated. Sony's Android implementation is closer to stock Android, offering a cleaner, more minimalist experience. Sony prioritizes camera control and audio quality within its software, appealing to content creators.