Samsung Galaxy S10+ (Unlocked) vs. Samsung Galaxy S21 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy S10+ (Unlocked) and Samsung Galaxy S21 5G. 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.

Phone Specifications Comparison

Samsung Galaxy S10+ (Unlocked) vs. Samsung Galaxy S21 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G975U1 SM-G991U1
Form Factor Touch Touch
Height 157.6 mm 151.7 mm Samsung Galaxy S10+ (Unlocked) has greater height than Samsung Galaxy S21 5G.
Width 74.1 mm 71.2 mm Samsung Galaxy S10+ (Unlocked) has greater width than Samsung Galaxy S21 5G.
Depth 7.8 mm 7.9 mm Samsung Galaxy S10+ (Unlocked) is narrower than Samsung Galaxy S10+ (Unlocked).
Weight 175 g 171 g Samsung Galaxy S21 5G is lighter than Samsung Galaxy S10+ (Unlocked).
Body Colour Prism black | Prism blue Phantom grey | Phantom white
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 (simultaneous), 1.11 W/kg (wireless router), 1.08 W/kg (body), 0.74 W/kg (head)
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 5G
Display Type OLED display OLED display
Display Technology Infinity-O Dynamic AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.4" 6.2" Samsung Galaxy S10+ (Unlocked) has larger screen size than Samsung Galaxy S21 5G.
Screen Resolution (Display Resolution) 3040 x 1440 pixels 2400 x 1080 pixels Samsung Galaxy S10+ (Unlocked) has better screen resolution than Samsung Galaxy S21 5G.
Display Format QHD+ Full HD+
Pixel Density 522 ppi 421 ppi Samsung Galaxy S10+ (Unlocked) has better pixel density than Samsung Galaxy S21 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) AOD(Always On Display), Video Wallpaper
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 5G
Processor Type (CPU) Qualcomm Snapdragon 855 Qualcomm Snapdragon 888
Clock Speed 2.84 GHz 2.84 GHz Both phones have the same clock speed.
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 -
MEMORY Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 5G
RAM LPDDR4X SDRAM - 8 GB LPDDR5 SDRAM - 8 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory 107 GB 101.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 5G
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 12 Megapixel 12 Megapixel Both phones have the same camera resolution.
Sensor Size - 1/1.76"
Lens Type Telephoto lens Wide-angle lens
Lens Aperture F/2.4 F/1.8 Samsung Galaxy S21 5G has better lens aperture than Samsung Galaxy S10+ (Unlocked).
Field of View (FoV) 45 degree(s) 79 degree(s) Samsung Galaxy S21 5G has larger lens field of view than Samsung Galaxy S10+ (Unlocked).
Pixel Size 1 μm 1.8 μm Samsung Galaxy S21 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 5G has better optical zoom than Samsung Galaxy S10+ (Unlocked).
Digital Zoom 10x 30x Samsung Galaxy S21 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, Portrait, Night, Motion Photo, Mountain, Single Take, Pro Video, Portrait 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 (8K) at 24 fps, 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, Motion photo, blink detection, QR-code scanner, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Lens smudge, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Super Speed Dual Pixel AF, Quick Measure, Zoom-In Mic, HEIF image capture, 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, AR Doodle, HEVC (High Efficiency Video coding) support, Microphone Control (Pro Video only)
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 12 Megapixel Samsung Galaxy S10+ (Unlocked) has better second camera resolution than Samsung Galaxy S21 5G.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) - 120 degree(s)
Pixel Size (2nd Camera) 1 μm 1.4 μm Samsung Galaxy S21 5G has larger second camera pixel size than Samsung Galaxy S10+ (Unlocked).
THIRD CAMERA
Sensor Resolution (3rd Camera) 12 Megapixel 64 Megapixel Samsung Galaxy S21 5G has higher resolution third camera than Samsung Galaxy S10+ (Unlocked).
Sensor Size (3rd Camera) - 1/1.72"
Lens Type (3rd Camera) Wide-angle lens Telephoto lens
Lens Aperture (3rd Camera) F/1.5 and f/2.4 F/2.0 Samsung Galaxy S10+ (Unlocked) has better third camera lens aperture than Samsung Galaxy S10+ (Unlocked).
Field of View (3rd Camera) 77 degree(s) 76 degree(s) Samsung Galaxy S10+ (Unlocked) has larger third camera lens field of view than Samsung Galaxy S21 5G.
Pixel Size (3rd Camera) 1.4 μm 0.8 μm Samsung Galaxy S10+ (Unlocked) has larger third camera pixel size than Samsung Galaxy S21 5G.
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 5G has optical stabilisation of the third camera.
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 10 Megapixel 10 Megapixel Both phones have the same front camera resolution.
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 1.22 μm Both phones have the same front camera pixel size.
Focus Adjustment Automatic Automatic
Camera Modes (Front) Wide selfie mode, AR Emoji, selfie focus -
Camera Features (Front) Dual Pixel AF Dual Pixel AF
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 5G
Battery Capacity (Battery Size) 4100 mAh 4000 mAh Samsung Galaxy S10+ (Unlocked) has larger battery capacity than Samsung Galaxy S21 5G.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging Qualcomm Quick Charge 2.0, Adaptive 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 1800 minutes Samsung Galaxy S10+ (Unlocked) has longer battery life when making calls than Samsung Galaxy S21 5G.
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 (LTE): up to 1800 min
Active online usage (LTE): up to 14 hrs
Active online usage (Wi-Fi): up to 15 hrs
Playback (wireless video): up to 19 hrs
Playback (wireless audio): up to 72 hrs
CELLULAR Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA CDMA2000 1X / GSM / WCDMA (UMTS)
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 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, Galileo
COMMUNICATIONS Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi, LAA FDD-LTE, TDD-LTE, 5G NR FR1, 5G NR FR2
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X
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 14, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 48, Band 66, Band 71
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 700 PS, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600
5G NR Band - N41, n71, n260, n261
5G NR Frequency - TDD TD 2500, FDD 600, TDD 39GHz, TDD 28GHz
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 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 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, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, 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, 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 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 MIMO technology, Screen Write, notification flashlight, Smart Select, Fast Charging, Samsung KNOX, Smart View, Live message, Screen off memo, Samsung DeX support, Bixby Vision, TalkBack, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, Bixby key, Bluetooth Scalable Codec, Samsung Knox Vault, Private Share function, Enhanced Game Booster, Air Command
OTHERS Samsung Galaxy S10+ (Unlocked) Samsung Galaxy S21 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 VDE, IP68, HAC (Hearing Aid Compatible), SGS Eye Care Display Certification
Max Depth of Water Resistance 1.5 m 1.5 m
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