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Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) vs Samsung Galaxy A11 (SM-A115A)

Side by side comparison between Samsung Galaxy S21 Ultra vs Samsung Galaxy A11 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A11 X Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) 36Points
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
04Points Samsung Galaxy A11 (SM-A115A) Compare Samsung Galaxy S21 Ultra X
6.4"
PLS

720x1560

13
MP

8mp

2GB
RAM

Octa-core

4000
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!

Galaxy S21 Ultra (SM-G998B/DS 128GB)} 36 Advantages Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) vs Galaxy A11 (SM-A115A)} 4 Advantages Samsung Galaxy A11 (SM-A115A)
+2.9GHz 64bit Octa-core (5nm)37%
More powerful processor, you can open your applications faster
vs1.8GHz 64bit Octa-core (14nm)
+12GB LPDDR55 times
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+128GB (101GB available)4 times
More internal storage for applications and files
vs32GB (21GB available)
+UFS 3.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT PLS
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1440x3200 pixels3 times
Higher resolution screen
vs720x1560 pixels
+516 PPI93%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs268 PPI
+6.8"6%
Larger screen
vs6.4"
+(quad camera) 108MP + 10MP + 10MP + 12MP6 times
Higher resolution main camera
vs(triple camera) 13MP + 5MP + 2MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+(front) 40MP4 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
vsFull 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
vsAndroid 11
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G 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
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+UWB (Ultra Wideband)Advantage
Sensors help you use the device
vsNot supported
+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+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.
vs15W
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+Stereo soundAdvantage
Better sound quality for listening to music or clearer hands-free calls
vsMono 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
vs802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs4.2 + A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C reversible connector
+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
227 grams (7.95 ounces)vs+177 grams (6.2 ounces)28%
Lighter
8.9 millimeters (0.35 inches)vs+8 millimeters (0.31 inches)11%
Thinner
Type-C reversible connectorvs+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
f/1.8 (aperture)
Capacitive
Multitouch
+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 Clear highlight

📱 Model features

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
ModelGalaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
Other model namesGalaxy S21 Ultra 5G (SM-G998B/Dual-SIM)Galaxy A11 SM-A115AZKAATT (AT&T, Cricket)
Country or region available(Global, International)
(Global, International)
USA
USA
BrandSamsungSamsung
Release date1/29/2021, Announced: 1/14/20215/1/2020, Announced: 3/13/2020
Depth8.9 millimeters (0.35 inches)8 millimeters (0.31 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)76.3 x 161.4 millimeters (3 x 6.35 in)
Weight227 grams (7.95 ounces)177 grams (6.2 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
Display typeDynamic AMOLEDTFT PLS
Screen size6.8" inches6.4" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~81.6% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)720x1560 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI268 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusNot supported
Refresh rate120Hz60Hz
Display features1500nits[peak]
HDR10+
Always-On Display
Not supported

🤖 Operating System

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
System versionAndroid 11Android 10
Firmware updateAndroid 14Android 11
User InterfaceOne UI 3.1 / 4.1 / 5.1 / 6.0One UI 2.0 / 3.1

⚙️ Processor

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
Chipset64bit: Samsung Exynos 2100 (5nm)64bit: Qualcomm Snapdragon 450 (SDM450) (14nm)
CPUOcta-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)
Octa-core, 1 processor:
8x 1.8GHz ARM Cortex-A53 (Octa-core)
GPU graphical controllerARM Mali-G78 MP14 (854MHz)Qualcomm Adreno 506 (600MHz)
Performance (benchmark)AnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
RAM memory12GB LPDDR52GB LPDDR3
Internal storage128GB (101GB available)
UFS 3.1
32GB (21GB available)
eMMC 5.1
External storageNot supportedUntil 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload5000/1920 Mbps150/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse 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 850/1700/1900/2100
Primary 4G networkLTE 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 Cat4 (2, 3, 4, 5, 7, 12, 14, 29, 30, 66)
VoLTE
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE 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
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSANot supported

📷 Camera

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
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
5MP ultrawide f/2.2115°
2MP depth f/2.4
Main camera resolution12000x9000 pixels4128x3096 pixels
Video recording (primary)8K UHD (7680x4320) 24 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens27mm lens
Sensor size1/1.33" inchesfeature not registered
Pixel size1.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocus on both camerasAutofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps
feature not registered

📸 Front camera

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
Front camera (secondary)40 megapixels8 megapixels
Front camera resolution7296x5472 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.7µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Mono sound (not stereo)
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

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C reversible connector
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.2 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
SensorsAccelerometer
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 (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4000 mAh
Charger, watts25W Wired fast charging
USB Power Delivery 3.0
15W (9V/1.67A) Wired fast charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
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: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support
• Colors: Black

☢️ Radiation rate

Galaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy A11 (SM-A115A)
SAR 1.6W/kg (USA, Mexico, etc.)0.24W/kg (head), 0.72W/kg (body)0.66W/kg (head), 1.03W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.714W/kg (head), 1.58W/kg (body)feature not registered
X

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