In depth comparison and review of Samsung Galaxy S21 Ultra 5G and Sony XPERIA 1 III. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G998B/DS | - | |
| Form Factor | Touch | Touch | |
| Height | 161.5 mm | 165 mm | Sony XPERIA 1 III has greater height than Samsung Galaxy S21 Ultra 5G. |
| Width | 75.6 mm | 71 mm | Samsung Galaxy S21 Ultra 5G has greater width than Sony XPERIA 1 III. |
| Depth | 8.9 mm | 8.2 mm | Sony XPERIA 1 III is narrower than Samsung Galaxy S21 Ultra 5G. |
| Weight | 227 g | 186 g | Sony XPERIA 1 III is lighter than Samsung Galaxy S21 Ultra 5G. |
| Body Colour | Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium | Black | Purple | |
| Body Material | - | Corning Gorilla Glass 6 | |
| Protection | Dustproof, splashproof, water-resistant | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IPX8, IPX5, IP6X | |
| SAR Value | 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb) | 1.28 W/kg (body), 0.94 W/kg (head), 1.75 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM, Electronic SIM card (e-SIM) | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED 2X | OLED | |
| Screen Size (Display Size) | 6.8" | 6.5" | Samsung Galaxy S21 Ultra 5G has larger screen size than Sony XPERIA 1 III. |
| Screen Resolution (Display Resolution) | 3200 x 1440 pixels | 3840 x 1644 pixels | Sony XPERIA 1 III has better screen resolution than Samsung Galaxy S21 Ultra 5G. |
| Display Format | QHD+ | 4K | |
| Pixel Density | 515 ppi | - | |
| Aspect Ratio | - | 21:9 | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | Eye Comfort Shield | Motion Blur Reduction 240Hz | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 240 Hz | |
| Display Features | Edge Screen, AOD(Always On Display) | DCI-P3 Wide colour gamut, CinemaWide display, Creator mode powered by CineAlta, X1 for mobile image processing engine, Dark mode, BT.2020, 10 bit tonal gradation, Illuminant D65 White point, L-γ raiser (low gamma raiser) | |
| Display Protection (Screen Protector) | Corning Gorilla Glass Victus (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Processor Type (CPU) | Samsung Exynos 2100 | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2.9 GHz | - | |
| Processor Core Qty | 8-core | - | |
| Graphics System (GPU) | Mali-G78 MP14 | - |
| MEMORY | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| RAM | LPDDR5 SDRAM - 12 GB | 12 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | Sony XPERIA 1 III has more internal memory than Samsung Galaxy S21 Ultra 5G. |
| User Memory | 101.7 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Sensor Size | - | 1/1.7" | |
| Sensor Type | - | Exmor RS CMOS | |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/2.2 | F/1.7 | Sony XPERIA 1 III has better lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Field of View (FoV) | 120 degree(s) | 82 degree(s) | Samsung Galaxy S21 Ultra 5G has larger lens field of view than Sony XPERIA 1 III. |
| Pixel Size | 1.4 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Optical Zoom | 3x | - | |
| Digital Zoom | 100x | - | |
| Hybrid Zoom | - | 12.5x | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Face retouch, Grid Line | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View | Slow motion video, Panorama, Pro mode, SteadyShot, Bokeh Mode | |
| Light Source | High CRI LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps | 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, 3840 x 2160 (4K) at 25 fps | |
| Camera Features (Functions) | Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video | Carl Zeiss optic, Stereo Recording, ZEISS T Coating, up to 20 fps AF/AE, up to 60 times per second continuous AF / AE calculation, Real-time Eye AF for humans and animals, Dual photo diode, 3D iToF sensor, RGB-IR, Cinematography Pro powered by CineAlta, Intelligent wind filter, Hybrid OIS/EIS video stabilisation, Real-Time Tracking, AI Super Resolution Zoom, Photography Pro, Optical SteadyShot with FlawlessEye |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 108 Megapixel | 12 Megapixel | Samsung Galaxy S21 Ultra 5G has better second camera resolution than Sony XPERIA 1 III. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/1.33" | 1/2.9" | Sony XPERIA 1 III has better second camera sensor size than Samsung Galaxy S21 Ultra 5G. |
| Sensor Type (2nd Camera) | - | Exmor RS CMOS | |
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/1.8 | F/2.3 | Samsung Galaxy S21 Ultra 5G has better second camera lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Field of View (2nd Camera) | 83 degree(s) | 34 degree(s) | Samsung Galaxy S21 Ultra 5G has larger second camera lens field of view than Sony XPERIA 1 III. |
| Pixel Size (2nd Camera) | 0.8 μm | - | |
| Minimum Focal Length (2nd Camera) | - | 70 mm | |
| Camera Features (2nd Camera) | Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 10 Megapixel | 12 Megapixel | Sony XPERIA 1 III has higher resolution third camera than Samsung Galaxy S21 Ultra 5G. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/2.5" | |
| Sensor Name (3rd Camera) | - | Sony Exmor RS sensor | |
| Lens Type (3rd Camera) | Telephoto lens | - | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.2 | Sony XPERIA 1 III has better third camera lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Field of View (3rd Camera) | 35 degree(s) | 124 degree(s) | Sony XPERIA 1 III has larger third camera lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (3rd Camera) | 1.22 μm | - | |
| Minimum Focal Length (3rd Camera) | - | 16 mm | |
| Camera Features (3rd Camera) | Dual Pixel AF | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 10 Megapixel | - | |
|---|---|---|---|
| Lens Type (4th Camera) | Telephoto lens | - | |
| Lens Aperture (4th Camera) | F/4.9 | - | |
| Field of View (4th Camera) | 10 degree(s) | - | |
| Pixel Size (4th Camera) | 1.22 μm | - | |
| Camera Features (4th Camera) | Dual Pixel AF | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 40 Megapixels | 8 Megapixel | Samsung Galaxy S21 Ultra 5G has better front camera resolution than Sony XPERIA 1 III. |
| Sensor Size (Front) | - | 1/4" | |
| Lens Aperture (Front) | F/2.2 | F/2.0 | Sony XPERIA 1 III has better front lens aperture than Samsung Galaxy S21 Ultra 5G. |
| Field of View (Front) | 80 degree(s) | 78 degree(s) | Samsung Galaxy S21 Ultra 5G has larger front lens field of view than Sony XPERIA 1 III. |
| Pixel Size (Front) | 0.7 μm | - | |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | SteadyShot, Intelligent Active Mode, Selfie portrait | |
| Light Source (Front) | - | Display flash | |
| Camera Features (Front) | Phase Detect Auto-Focus (PDAF) | Hand Shutter |
| BATTERY AND CHARGING | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | Samsung Galaxy S21 Ultra 5G has larger battery capacity than Sony XPERIA 1 III. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | Xperia-Adaptive Charging | Both phones have fast charging technology. |
| Wireless Charging | Yes | Yes | Both phones can be charged wirelessly. |
| Wireless Charging Standards | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | Qi | |
| Talk Time | 2460 minutes | - | |
| Run Time Details | Talk (4G): up to 2460 min Active online usage (LTE): up to 18 hrs Active online usage (Wi-Fi): up to 18 hrs Playback (wireless video): up to 22 hrs Playback (wireless audio): up to 81 hrs |
- |
| CELLULAR | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | Android 11 | Android 11 | |
| Intelligent Assistant | Bixby | - | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 66 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n40 | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.2 | Bluetooth 4.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| MEDIA | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128 | PCM, MP3, FLAC, AAC-LC, AAC +, eAAC+, MIDI, DSD, LDAC, ALAC, OPUS, AMR-WB, AMR-NB, Vorbis, AAC-ELD, Dolby Atmos, Dolby-AC4, 360 Reality Audio Music Format | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MPEG-4, H.264, H.263, VP8, VP9, H.265, AV1 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | Dolby Atmos sound technology, Hi-Res audio, Qualcomm aptX HD audio, DSEE Ultimate, 360 Reality Audio, 360 Reality Audio hardware decoding, 360 Spatial Sound |
| FEATURES | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | - | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader | |
| Additional Phone Features | Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command | TTY compatible, multitasking, PS4 Remote Play, Battery Care, STAMINA Mode, TalkBack, Dynamic vibration system, Game Enhancer, DUALSHOCK 4 control compatibility, Qualcomm Snapdragon Elite Gaming, Battery Share function |
| OTHERS | Samsung Galaxy S21 Ultra 5G | Sony XPERIA 1 III |
|---|
| Included Accessories | SIM card removal tool, USB-C to USB-C cable | - | |
|---|---|---|---|
| Compliant Standards | IP68, HAC (Hearing Aid Compatible) | IPX5, HAC (Hearing Aid Compatible), IPX8, IP6X, ITU-R BT.2020, USB Power Delivery | |
| Max Depth of Water Resistance | 1.5 m | - |
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