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Samsung Galaxy A03 (SM-A035F/DS 32GB) vs Samsung Galaxy S21 Ultra (SM-G998N 256GB)

Side by side comparison between Samsung Galaxy A03 vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S21 Ultra XSamsung Galaxy A03 (SM-A035F/DS 32GB)04Points
Samsung Galaxy A03 (SM-A035F/DS 32GB)
6.5"
PLS

720x1600

48
MP

5mp

3GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
38PointsSamsung Galaxy S21 Ultra (SM-G998N 256GB)Compare Samsung Galaxy A03 X
Samsung Galaxy S21 Ultra (SM-G998N 256GB)
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998N 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!

Galaxy A03 (SM-A035F/DS 32GB)4 Advantages Samsung Galaxy A03 (SM-A035F/DS 32GB)vsGalaxy S21 Ultra (SM-G998N 256GB)38 Advantages Samsung Galaxy S21 Ultra (SM-G998N 256GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+196 grams (6.86 ounces)16%
Lighter
vs227 grams (7.95 ounces)
+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
1.6GHz 64bit Octa-Corevs+2.9GHz 64bit Octa-Core62%
More powerful processor, you can open your applications faster
3GB LPDDR4vs+12GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
32GB (18GB available)vs+256GB (220GB available)11 times
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
9.1 millimeters (0.36 inches)vs+8.9 millimeters (0.35 inches)2%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT PLSvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
Not supportedvs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1600 pixelsvs+1440x3200 pixels3 times
Higher resolution screen
270 PPIvs+516 PPI91%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.5"vs+6.8"5%
Larger screen
(dual camera) 48MP + 2MPvs+(quad camera) 108MP + 10MP + 10MP + 12MP180%
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
(front) 5MPvs+(front) 40MP7 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 11vs+Android 12Advantage
Android 12 is newer and safer
4G LTEvs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbpsvs+(5G SA/NSA) 5000 Mbps32 times
Faster for surfing the internet and download files
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
7.75Wvs+25W2 times
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.
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
Mono sound (not stereo)vs+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOvs+802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices
16 million
LED flash
Autofocus / PDAF: phase detection autofocus on both cameras
HDR photo on both cameras / HDR photo/video on both cameras
f/1.8 (aperture)
Capacitive
Multitouch
+13 specs and more in the table below

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

Highlight differencesClear highlight

📱 Model features

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
ModelGalaxy A03 (SM-A035F/DS 32GB)Galaxy S21 Ultra (SM-G998N 256GB)
Other model namesGalaxy A03 SM-A035F/Dual-SIM (32GB+3GB RAM)갤럭시 S21 Ultra 5G (SM-G998N Single-SIM)
Country or region available(Global, International)
(Global, International)
South Korea
South Korea
BrandSamsungSamsung
Release date1/21/2022, Announced: 11/26/20211/29/2021, Announced: 1/14/2021
Depth9.1 millimeters (0.36 inches)8.9 millimeters (0.35 inches)
Size (width x height)75.9 x 164.2 millimeters (2.99 x 6.46 in)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight196 grams (6.86 ounces)227 grams (7.95 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

🤖 Operating System

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
System versionAndroid 11Android 11
Firmware updatefeature not registeredAndroid 12
User InterfaceOne UI Core 3.1One UI 3.1 / 4.0

⚙️ Processor

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Chipset64bit - Unisoc Tiger T606 (12nm)64bit - Samsung Exynos 2100 (5nm)
CPUOcta-Core, 2 processors:
1.6GHz Dual-Core ARM Cortex-A75
1.6GHz Hexa-Core ARM Cortex-A55
Octa-Core, 3 processors:
2.9GHz Single-Core ARM Cortex-X1
2.8GHz Triple-Core ARM Cortex-A78
2.2GHz Quad-Core ARM Cortex-A55
GPU graphical controllerARM Mali-G57 MC1 (650MHz)ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)AnTuTu: 179555 (v9)AnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
RAM memory3GB LPDDR412GB LPDDR5
Internal storage32GB (18GB available)
eMMC 5.1
256GB (220GB available)
UFS 3.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Not supported

📲 Display

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Display typeTFT PLSDynamic AMOLED
Screen size6.5" inches6.8" inches
Screen-to-body ratio~81.8% (screen-to-body ratio)~89.4% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1440x3200 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)270 PPI516 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass Victus
Refresh rate60Hz120Hz
Display featuresNot supported1500nits[peak]
HDR10+
Always-On Display

📶 Mobile networks

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 Mbps5000/1920 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandTri-Band 850/900/1800Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkGSM 850/900/1800Not supported
Secondary 3G networkUMTS 850/900/2100Not supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+Not supported

📷 Camera

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Back camera (main camera)(dual camera)
48 megapixels
2MP depthf/2.4
(quad camera)
108 megapixels
10MP periscope telephotof/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephotof/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawidef/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution8000x6000 pixels12000x9000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor sizefeature not registered1/1.33" inches
Pixel size1.12µm pixel1.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Front camera (secondary)5 megapixels40 megapixels
Front camera resolution2560x1920 pixels7296x5472 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel size1.12µm pixel0.7µm pixel

🔉 Sound and multimedia

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
LoudspeakerMono sound (not stereo)Stereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
USBMicroUSB 2.0USB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
SensorsAccelerometer
Ambient Light sensor
Face unlock
Proximity sensor
Accelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh5000 mAh
Charger, watts7.75W (5V/1.55A) Standard charging25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Black, Blue, Red- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support

☢️ Radiation rate

Samsung Galaxy A03 (SM-A035F/DS 32GB)Samsung Galaxy S21 Ultra (SM-G998N 256GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.489W/kg (head), 1.1W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.2W/kg (head), 1.35W/kg (body)feature not registered
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