Side by side comparison and review of Samsung Galaxy S10+ (Unlocked) and Samsung Galaxy S21 Ultra 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G975U1 | SM-G998B/DS | |
| Form Factor | Touch | Touch | |
| Height | 157.6 mm | 161.5 mm | Samsung Galaxy S21 Ultra 5G has greater height than Samsung Galaxy S10+ (Unlocked). |
| Width | 74.1 mm | 75.6 mm | Samsung Galaxy S21 Ultra 5G has greater width than Samsung Galaxy S10+ (Unlocked). |
| Depth | 7.8 mm | 8.9 mm | Samsung Galaxy S10+ (Unlocked) is narrower than Samsung Galaxy S10+ (Unlocked). |
| Weight | 175 g | 227 g | Samsung Galaxy S10+ (Unlocked) is lighter than Samsung Galaxy S10+ (Unlocked). |
| Body Colour | Prism black | Prism blue | Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium | |
| Body Material | Gorilla glass 5 | - | |
| Protection | Dustproof, splashproof, waterproof | Dustproof, splashproof, water-resistant | |
| Waterproof (Water-resistant) | Yes | Yes | Both phones are waterproof. |
| IP rating | IP68 | IP68 | |
| SAR Value | 3.87 W/kg (simultaneous), 1.24 W/kg (wireless router), 1.04 W/kg (body), 1.111 W/kg (head) | 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Infinity-O Dynamic AMOLED | Infinity-O Dynamic AMOLED 2X | |
| Screen Size (Display Size) | 6.4" | 6.8" | Samsung Galaxy S21 Ultra 5G has larger screen size than Samsung Galaxy S10+ (Unlocked). |
| Screen Resolution (Display Resolution) | 3040 x 1440 pixels | 3200 x 1440 pixels | Samsung Galaxy S21 Ultra 5G has better screen resolution than Samsung Galaxy S10+ (Unlocked). |
| Display Format | QHD+ | QHD+ | |
| Pixel Density | 522 ppi | 515 ppi | Samsung Galaxy S10+ (Unlocked) has better pixel density than Samsung Galaxy S21 Ultra 5G. |
| Aspect Ratio | 19:9 | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10+ | |
| Display Enhancement Technology | - | Eye Comfort Shield | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | AOD(Always On Display) | Edge Screen, AOD(Always On Display) | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 6 (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | Samsung Exynos 2100 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2.9 GHz | Samsung Galaxy S21 Ultra 5G has higher clock speed than Samsung Galaxy S10+ (Unlocked). |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Samsung Galaxy S10+ (Unlocked) has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | Mali-G78 MP14 |
| MEMORY | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| RAM | LPDDR4X SDRAM - 8 GB | LPDDR5 SDRAM - 12 GB | Samsung Galaxy S21 Ultra 5G has more RAM than Samsung Galaxy S10+ (Unlocked). |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| User Memory | 107 GB | 101.7 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 512 GB | - |
| CAMERA | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 12 Megapixel | Both phones have the same camera resolution. |
| Lens Type | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture | F/2.4 | F/2.2 | Samsung Galaxy S21 Ultra 5G has better lens aperture than Samsung Galaxy S10+ (Unlocked). |
| Field of View (FoV) | 45 degree(s) | 120 degree(s) | Samsung Galaxy S21 Ultra 5G has larger lens field of view than Samsung Galaxy S10+ (Unlocked). |
| Pixel Size | 1 μm | 1.4 μm | Samsung Galaxy S21 Ultra 5G has larger camera pixel size than Samsung Galaxy S10+ (Unlocked). |
| Optical Image Stabiliser (OIS) | Dual OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Laser Auto Focus | - | Yes | |
| Optical Zoom | 2x | 3x | Samsung Galaxy S21 Ultra 5G has better optical zoom than Samsung Galaxy S10+ (Unlocked). |
| Digital Zoom | 10x | 100x | Samsung Galaxy S21 Ultra 5G has better digital zoom than Samsung Galaxy S10+ (Unlocked). |
| Self-Timer Delay | Yes | Yes | |
| Special Effects | HDR, Grid Line, Motion photos | Face retouch, Grid Line | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Mountains, Beaches, Watersides, Snow, Backlit, Text, Food, Live focus with bokeh effect, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view | 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 | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S10+ (Unlocked) has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | High CRI LED flash | High CRI LED 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 | 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 | |
| Camera Features (Functions) | VDIS (Video Digital Image Stabilisation), Tracking AF, Scene Optimiser, Flaw detection, Shot suggestions, AR Emoji | 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 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 108 Megapixel | Samsung Galaxy S21 Ultra 5G has better second camera resolution than Samsung Galaxy S10+ (Unlocked). |
|---|---|---|---|
| Sensor Size (2nd Camera) | - | 1/1.33" | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/1.8 | Samsung Galaxy S21 Ultra 5G has better second camera lens aperture than Samsung Galaxy S10+ (Unlocked). |
| Field of View (2nd Camera) | - | 83 degree(s) | |
| Pixel Size (2nd Camera) | 1 μm | 0.8 μm | Samsung Galaxy S10+ (Unlocked) has larger second camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Camera Features (2nd Camera) | - | Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 12 Megapixel | 10 Megapixel | Samsung Galaxy S10+ (Unlocked) has higher resolution third camera than Samsung Galaxy S21 Ultra 5G. |
|---|---|---|---|
| Lens Type (3rd Camera) | Wide-angle lens | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/1.5 and f/2.4 | F/2.4 | Samsung Galaxy S10+ (Unlocked) has better third camera lens aperture than Samsung Galaxy S10+ (Unlocked). |
| Field of View (3rd Camera) | 77 degree(s) | 35 degree(s) | Samsung Galaxy S10+ (Unlocked) has larger third camera lens field of view than Samsung Galaxy S21 Ultra 5G. |
| Pixel Size (3rd Camera) | 1.4 μm | 1.22 μm | Samsung Galaxy S10+ (Unlocked) has larger third camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| 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 | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 10 Megapixel | 40 Megapixels | Samsung Galaxy S21 Ultra 5G has better front camera resolution than Samsung Galaxy S10+ (Unlocked). |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/1.9 | F/2.2 | Samsung Galaxy S10+ (Unlocked) has better front lens aperture than Samsung Galaxy S10+ (Unlocked). |
| Field of View (Front) | 80 degree(s) | 80 degree(s) | Both phones have the same front lens field of view. |
| Pixel Size (Front) | 1.22 μm | 0.7 μm | Samsung Galaxy S10+ (Unlocked) has larger front camera pixel size than Samsung Galaxy S21 Ultra 5G. |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes (Front) | Wide selfie mode, AR Emoji, selfie focus | - | |
| Camera Features (Front) | Dual Pixel AF | Phase Detect Auto-Focus (PDAF) |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 8 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (2nd Front) | F/2.2 | - | |
| Field of View (2nd Front) | 90 degree(s) | - | |
| Pixel Size (2nd Front) | 1.12 μm | - | |
| Camera Functions (2nd Front) | Capture depth information | - |
| BATTERY AND CHARGING | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 5000 mAh | Samsung Galaxy S21 Ultra 5G has larger battery capacity than Samsung Galaxy S10+ (Unlocked). |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 2.0, Adaptive Fast Charging | Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 | Both phones have fast charging technology. |
| Wireless Charging | Yes | Yes | Both phones can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA, Fast Wireless Charging 2.0, Wireless PowerShare | WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare | |
| Talk Time | 2340 minutes | 2460 minutes | Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than Samsung Galaxy S10+ (Unlocked). |
| Run Time Details | Active online usage (3G): up to 15 hrs Active online usage (4G): up to 16 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 22 hrs Playback (audio): up to 120 hrs Talk (3G): up to 39 hrs Talk (2G): up to 39 hrs |
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 S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Samsung Galaxy S21 Ultra 5G has more advanced generation mobile network. |
| Operating System | Android 9.0 Pie | Android 11 | |
| User Interface | One UI | - | |
| Intelligent Assistant | Bixby | Bixby | |
| Payment Technology | Samsung Pay | Samsung Pay | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | 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 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 12, Band 13, Band 14, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 66, Band 71 | 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 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 700a, FDD 700c, FDD 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3, FDD 600 | 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 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, 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 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID | 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 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound, Qualcomm TrueWireless, Qualcomm Broadcast Audio, Qualcomm Aqstic audio, Qualcomm aptX audio | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound |
| FEATURES | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| 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, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, pressure sensor, geomagnetic sensor, HR sensor | Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Multitasking, Face Unlock, Wi-Fi Miracast, Multi Window, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Samsung DeX support, Bixby Vision, Intelligent Scan | 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 |
| OTHERS | Samsung Galaxy S10+ (Unlocked) | Samsung Galaxy S21 Ultra 5G |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB-C cable, headset (tuned by AKG), clear cover case, USB connector (OTG), protective film | SIM card removal tool, USB-C to USB-C cable | |
|---|---|---|---|
| Compliant Standards | VDE, IP68, TUV Rheinland Eye Comfort Certification | IP68, HAC (Hearing Aid Compatible) | |
| Max Depth of Water Resistance | 1.5 m | 1.5 m |
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