Samsung Galaxy S21 Ultra (SM-G998W 256GB) vs Samsung Galaxy A03s (SM-A037F/DS 64GB)

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Side by side comparison between Samsung Galaxy S21 Ultra vs Samsung Galaxy A03s phones, differences, pros, cons and full specifications. What's the better?

11/14/2021 4:04 PM, updated: 11/21/2023 5:01 AM

Compare Samsung Galaxy A03s X Samsung Galaxy S21 Ultra (SM-G998W 256GB) 37Points

Specifications Compare Models Pictures

6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

03Points Samsung Galaxy A03s (SM-A037F/DS 64GB) Compare Samsung Galaxy S21 Ultra X

Specifications Compare Models Pictures

6.5"
PLS

720x1600

13
MP

5mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998W 256GB)

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!

37 Advantages Samsung Galaxy S21 Ultra (SM-G998W 256GB)	vs	3 Advantages Samsung Galaxy A03s (SM-A037F/DS 64GB)
+2.84GHz 64bit Octa-core (5nm)27% More powerful processor, you can open your applications faster	vs	2.3GHz 64bit Octa-core (12nm)
+12GB LPDDR52 times More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+256GB (220GB available)4 times More internal storage for applications and files	vs	64GB (47GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.1
+8.9 millimeters (0.35 inches)2% Thinner	vs	9.1 millimeters (0.36 inches)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid	vs	TFT PLS
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1440x3200 pixels3 times Higher resolution screen	vs	720x1600 pixels
+516 PPI91% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	270 PPI
+6.8"5% Larger screen	vs	6.5"
+(quad camera) 108MP + 10MP + 10MP + 12MP7 times Higher resolution main camera	vs	(triple camera) 13MP + 2MP + 2MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(front) 40MP7 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 14Advantage Android 14 is newer and safer	vs	Android 12
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 5000 Mbps32 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+CompassAdvantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+UWB (Ultra Wideband)Advantage Sensors help you use the device	vs	Not supported
+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.	vs	15W
+Qi wireless charging (Qi/PMA)Advantage Wireless charging is another way to charge the battery.	vs	Not supported
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (dedicated slot)
+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 b/g/n [wifi4]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C reversible connector
+Gorilla Glass VictusAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
227 grams (7.95 ounces)	vs	+196 grams (6.86 ounces)16% Lighter
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores

16 Common items in both devices

16 million

LED flash

PDAF: phase detection autofocus on both cameras / Autofocus

HDR photo/video on both cameras / HDR photo on both cameras

Capacitive

Multitouch

Accelerometer

+9 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 S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Change model		Choose the model
Model	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Other model names	Galaxy S21 Ultra 5G (SM-G998W)	Galaxy A03s SM-A037F/DS (Dual-SIM)
Country or region available	Canada	(Global, International), Russia
Brand	Samsung	Samsung
Release date	1/29/2021, Announced: 1/14/2021	8/18/2021
Depth	8.9 millimeters (0.35 inches)	9.1 millimeters (0.36 inches)
Size (width x height)	75.6 x 165.1 millimeters (2.98 x 6.5 in)	75.9 x 164.2 millimeters (2.99 x 6.46 in)
Weight	227 grams (7.95 ounces)	196 grams (6.86 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant	Not supported
📲 Display
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Display type	Dynamic AMOLED	TFT PLS
Screen size	6.8" inches	6.5" inches
Screen-to-body ratio	~89.4% (screen-to-body ratio)	~81.8% (screen-to-body ratio)
Display resolution	1440x3200 pixels (20:9)	720x1600 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	516 PPI	270 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Not supported
Refresh rate	120Hz	60Hz
Display features	1500nits[peak] HDR10+ Always-On Display	Not supported
🤖 Operating System
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
System version	Android 11	Android 11
Firmware update	Android 14	Android 12
User Interface	One UI 3.1 / 4.1 / 5.1 / 6.0	One UI Core 3.1 / 4.1
⚙️ Processor
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: MediaTek Helio P35 (MT6765) (12nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)	AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen)	AnTuTu: 117611 (v9) Geekbench: 912 (v5.4)
💽 Memory and storage
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
RAM memory	12GB LPDDR5	4GB LPDDR4X
Internal storage	256GB (220GB available) UFS 3.1	64GB (47GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	5000/1920 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
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	UMTS 850/900/1700/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE	LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Primary 5G network	SA/NSA/Sub6 (2, 41, 66, 71)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	UMTS 850/900/2100
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE	LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41)
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
📷 Camera
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Back camera (main camera)	(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	(triple camera) 13 megapixels 2MP macro f/2.4 2MP depth f/2.4
Main camera resolution	12000x9000 pixels	4128x3096 pixels
Video recording (primary)	8K UHD (7680x4320) 24 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/1.33" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus on both cameras	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	4K@60fps 1080p@240fps 720p@960fps	feature not registered
📸 Front camera
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Front camera (secondary)	40 megapixels	5 megapixels
Front camera resolution	7296x5472 pixels	2560x1920 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/2.8" inches	feature not registered
Pixel size	0.7µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	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 S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)	Accelerometer Ambient light sensor Face unlock Fingerprint sensor (side-mounted) Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	5000 mAh
Charger, watts	25W Wired fast charging USB Power Delivery 3.0	15W Wired fast charging
Inductive / wireless charging	15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
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: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support	• Colors: Black, Blue. White
☢️ Radiation rate
	Galaxy S21 Ultra (SM-G998W 256GB)	Galaxy A03s (SM-A037F/DS 64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.12W/kg (head), 1.25W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.36W/kg (head), 1.09W/kg (body)