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Samsung Galaxy A33 (SM-A3360/DSN) vs Samsung Galaxy S21 Ultra (SM-G998W 256GB)

Side by side comparison between Samsung Galaxy A33 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 A33 (SM-A3360/DSN)04Points
Samsung Galaxy A33 (SM-A3360/DSN)
6.4"
AMOLED

1080x2400

48
MP

13mp

8GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
26PointsSamsung Galaxy S21 Ultra (SM-G998W 256GB)Compare Samsung Galaxy A33 X
Samsung Galaxy S21 Ultra (SM-G998W 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-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!

Galaxy A33 (SM-A3360/DSN)4 Advantages Samsung Galaxy A33 (SM-A3360/DSN)vsGalaxy S21 Ultra (SM-G998W 256GB)26 Advantages Samsung Galaxy S21 Ultra (SM-G998W 256GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+186 grams (6.51 ounces)22%
Lighter
vs227 grams (7.95 ounces)
+8.1 millimeters (0.32 inches)10%
Thinner
vs8.9 millimeters (0.35 inches)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
2.4GHz 64bit Octa-Corevs+2.84GHz 64bit Octa-Core16%
More powerful processor, you can open your applications faster
8GB LPDDR4Xvs+12GB LPDDR550%
More RAM memory. Typically more responsive and better for multitasking.
128GB (101GB available)vs+256GB (220GB available)118%
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
Not supportedvs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
90Hzvs+120Hz33%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2400 pixelsvs+1440x3200 pixels78%
Higher resolution screen
411 PPIvs+516 PPI26%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.4"vs+6.8"6%
Larger screen
(quad camera) 48MP + 8MP + 5MP + 2MPvs+(quad camera) 108MP + 10MP + 10MP + 12MP122%
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
1/2" inchesvs+1/1.33" inches50%
The larger sensor camera lets you take photos with better depth.
(front) 13MPvs+(front) 40MP2 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
(5G SA/NSA) 2000 Mbpsvs+(5G SA/NSA) 5000 Mbps150%
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
Virtual proximity sensorvs+Proximity sensorAdvantage
Sensors help you use the device
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
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.
5.1 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
USB 2.0 Type-C, USB OTG On-The-Govs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.

32 Common items in both devices
Super AMOLED / Dynamic AMOLED
16 million
LED flash
PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras
OIS: Optical stabilization
BSI sensor
HDR photo on both cameras / HDR photo/video on both cameras
+25 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 A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
ModelGalaxy A33 (SM-A3360/DSN)Galaxy S21 Ultra (SM-G998W 256GB)
Other model namesGalaxy A33 5G SM-A3360/Dual-SIM NFCGalaxy S21 Ultra 5G (SM-G998W)
Country or region availableHong Kong
Hong Kong
Canada
Canada
BrandSamsungSamsung
Release date4/20/2022, Announced: 3/17/20221/29/2021, Announced: 1/14/2021
Depth8.1 millimeters (0.32 inches)8.9 millimeters (0.35 inches)
Size (width x height)74 x 159.7 millimeters (2.91 x 6.29 in)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight186 grams (6.51 ounces)227 grams (7.95 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersIP67 certified: dust proof and waterproof over 1 meter and 30minIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

🤖 Operating System

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
System versionAndroid 12Android 11
Firmware updateAndroid 13Android 13
User InterfaceOne UI 4.1 / 5.0One UI 3.1 / 4.1 / 5.0

⚙️ Processor

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Chipset64bit - Samsung Exynos 1280 (5nm)64bit - Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-Core, 2 processors:
2.4GHz Dual-Core ARM Cortex-A78
2GHz Hexa-Core ARM Cortex-A55
Octa-Core, 3 processors:
2.84GHz Single-Core Kryo 680
2.42GHz Triple-Core Kryo 680
1.8GHz Quad-Core Kryo 680
GPU graphical controllerARM Mali-G68 (1GHz)Qualcomm Adreno 660 (840MHz)
Performance (benchmark)AnTuTu: 354420 (v8), 394918 (v9)
Geekbench: 1900 (v5.1)
GFXBench: 20fps (ES 3.1 onscreen)
AnTuTu: 681099 (v8), 809165 (v9)
Geekbench: 3539 (v5.2)
GFXBench: 54fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
RAM memory8GB LPDDR4X12GB LPDDR5
Internal storage128GB (101GB available)
eMMC 5.1
256GB (220GB available)
UFS 3.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Not supported

📲 Display

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Display typeSuper AMOLEDDynamic AMOLED
Screen size6.4" inches6.8" inches
Screen-to-body ratio~83.7% (screen-to-body ratio)~89.4% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1440x3200 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)411 PPI516 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Gorilla Glass Victus
Refresh rate90Hz120Hz
Display featuresNot supported1500nits[peak]
HDR10+
Always-On Display

📶 Mobile networks

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Dual-SIMDual-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 card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
Maximum download/upload2000/1024 Mbps5000/1920 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat16 (1, 3, 5, 7, 8, 28)
TD-LTE (38, 40, 41)
VoLTE
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
Primary 5G networkSA/NSA (1, 3, 5, 28, 41, 78, 79)SA/NSA/Sub6 (2, 41, 66, 71)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Secondary 4G networkLTE Cat16 (1, 3, 5, 7, 8, 28)
TD-LTE (38, 40, 41)
VoLTE
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
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA

📷 Camera

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Back camera (main camera)(quad camera)
48 megapixels
8MP ultrawidef/2.2123°1/4"1.12µm
5MP macrof/2.4
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)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/1.33" inches
Pixel size0.8µm pixel1.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extras1080p@60fps4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Front camera (secondary)13 megapixels40 megapixels
Front camera resolution4128x3096 pixels7296x5472 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/3.1" inches1/2.8" inches
Pixel size1.12µm pixel0.7µm pixel

🔉 Sound and multimedia

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
LoudspeakerStereo sound
Dolby Atmos
Stereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
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 A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.1 + 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, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
SensorsAccelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Virtual 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 A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh5000 mAh
Charger, watts25W Fast battery 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 A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 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, White, Blue, Peach- Colors: Phantom Black, Silver, Titanium, Navy, Brown
- Samsung Pay (Visa, MasterCard)
- Samsung DeX
- Stylus pen support

☢️ Radiation rate

Samsung Galaxy A33 (SM-A3360/DSN)Samsung Galaxy S21 Ultra (SM-G998W 256GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered1.12W/kg (head), 1.25W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.574W/kg (head), 1.59W/kg (body)feature not registered
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