Samsung Galaxy S10 (SM-G973F/DS 128GB) vs Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)

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Side by side comparison between Samsung Galaxy S10 vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

1/16/2021 4:45 PM, updated: 9/27/2024 2:48 AM

Compare Samsung Galaxy S21 Ultra X Samsung Galaxy S10 (SM-G973F/DS 128GB) 09Points

Specifications Compare Models Pictures

6.1"
AMOLED

1440x3040

12.2
MP

10mp

8GB
RAM

Octa-core

3400
mAh

(Non removable)

21Points Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) Compare Samsung Galaxy S10 X

Specifications Compare Models Pictures

6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

9 Advantages Samsung Galaxy S10 (SM-G973F/DS 128GB)	vs	21 Advantages Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)
+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+157 grams (5.5 ounces)45% Lighter	vs	227 grams (7.95 ounces)
+7.8 millimeters (0.31 inches)14% Thinner	vs	8.9 millimeters (0.35 inches)
+551 PPI7% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	516 PPI
+f/1.5 (aperture)20% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Heart rateAdvantage Sensors help you use the device	vs	Not supported
+SpO2Advantage Sensors help you use the device	vs	Not supported
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2.7GHz 64bit Octa-core (8nm)	vs	+2.9GHz 64bit Octa-core (5nm)18% More powerful processor, you can open your applications faster
8GB LPDDR4X	vs	+12GB LPDDR550% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1440x3040 pixels	vs	+1440x3200 pixels5% Higher resolution screen
6.1"	vs	+6.8"11% Larger screen
(triple camera) 12.2MP + 12MP + 16MP	vs	+(quad camera) 108MP + 10MP + 10MP + 12MP2 times Higher resolution main camera
1/2.55" inches	vs	+1/1.33" inches92% The larger sensor camera lets you take photos with better depth.
(front) 10MP	vs	+(front) 40MP3 times Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)	vs	+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera
Android 12	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 2000 Mbps	vs	+(5G SA/NSA) 5000 Mbps150% Faster for surfing the internet and download files
Not supported	vs	+UWB (Ultra Wideband)Advantage Sensors help you use the device
3400 mAh	vs	+5000 mAh47% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+25W67% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
2 microphones	vs	+3 microphones50% More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
USB 3.1 Type-C, USB OTG On-The-Go	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.

35 Common items in both devices

128GB (109GB available) / 128GB (101GB available)

Aluminum frame, glass front/back

Dynamic AMOLED

HDR10+

16 million

LED flash

Digital and optical zoom

+28 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Change model		Choose the model
Model	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Other model names	Galaxy S10 (Exynos) G973F/Dual-Sim 8GB RAM, Samsung Beyond	Galaxy S21 Ultra 5G (SM-G998B/Dual-SIM)
Country or region available	(Latin America), (Europe), (Global, International), Brazil	(Global, International)
Brand	Samsung	Samsung
Release date	3/1/2019, Announced: 2/20/2019	1/29/2021, Announced: 1/14/2021
Depth	7.8 millimeters (0.31 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	70.4 x 149.9 millimeters (2.77 x 5.9 in)	75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight	157 grams (5.5 ounces)	227 grams (7.95 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Display type	Dynamic AMOLED	Dynamic AMOLED
Screen size	6.1" inches	6.8" inches
Screen-to-body ratio	~88% (screen-to-body ratio)	~89.4% (screen-to-body ratio)
Display resolution	1440x3040 pixels (19:9)	1440x3200 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	551 PPI	516 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass Victus
Refresh rate	60Hz	120Hz
Display features	HDR10+ Always-On Display	1500nits[peak] HDR10+ Always-On Display
🤖 Operating System
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
System version	Android 9.0 Pie	Android 11
Firmware update	Android 12	Android 14
User Interface	One UI 2.0 / 3.1 / 4.1	One UI 3.1 / 4.1 / 5.1 / 6.0
⚙️ Processor
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Chipset	64bit: Samsung Exynos 9820 (8nm)	64bit: Samsung Exynos 2100 (5nm)
CPU	Octa-core, 3 processors: 2x 2.7GHz Mongoose M4 (Dual-core) 2x 2.3GHz ARM Cortex-A75 (Dual-core) 4x 1.9GHz ARM Cortex-A55 (Quad-core)	Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	ARM Mali-G76 MP12 (702MHz)	ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)	feature not registered	AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen)
💽 Memory and storage
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
RAM memory	8GB LPDDR4X	12GB LPDDR5
Internal storage	128GB (109GB available) UFS 2.1	128GB (101GB available) UFS 3.1
External storage	Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	2000/150 Mbps	5000/1920 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
Primary data network	GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom 16MP ultrawide f/2.212mm	(quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution	4032x3024 pixels	12000x9000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	8K UHD (7680x4320) 24 fps
Flash	LED flash	LED flash
Focal aperture	f/1.5 (aperture)	f/1.8 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	1/2.55" inches	1/1.33" inches
Pixel size	1.4µm pixel	1.8µm pixel
Autofocus	PDAF: phase detection autofocus on both cameras	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo/video on both cameras	HDR photo/video on both cameras
Camera extras	1080p@240fps 720p@960fps	4K@60fps 1080p@240fps 720p@960fps
📸 Front camera
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Front camera (secondary)	10 megapixels	40 megapixels
Front camera resolution	3872x2592 pixels	7296x5472 pixels
Video recording (secondary)	4K UHD (3840x2160)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/1.9 (aperture)	f/2.2 (aperture)
Focal length	26mm (lens)	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG
Active noise cancellation	2 microphones	3 microphones
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
USB	USB 3.1 Type-C, USB OTG On-The-Go	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Sensors	Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Heart rate Proximity sensor SpO2	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3400 mAh	5000 mAh
Charger, watts	15W (9V/167A) Wired fast charging USB Power Delivery 2.0	25W Wired fast charging USB Power Delivery 3.0
Inductive / wireless charging	15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Prism Black, White, Green, Blue, Flamingo Pink • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC)	• Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support
☢️ Radiation rate
	Galaxy S10 (SM-G973F/DS 128GB)	Galaxy S21 Ultra (SM-G998B/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.93W/kg (head), 0.79W/kg (body)	0.24W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.477W/kg (head), 1.593W/kg (body)	0.714W/kg (head), 1.58W/kg (body)