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Samsung Galaxy S20 Ultra 5G (SM-G988B/DS) vs Samsung Galaxy A51 5G (SM-A516B/DS)

Side by side comparison between Samsung Galaxy S20 Ultra 5G vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A51 5G X Samsung Galaxy S20 Ultra 5G (SM-G988B/DS) 26Points
6.9"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
04Points Samsung Galaxy A51 5G (SM-A516B/DS) Compare Samsung Galaxy S20 Ultra 5G X
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)

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 S20 Ultra 5G (SM-G988B/DS)} 26 Advantages Samsung Galaxy S20 Ultra 5G (SM-G988B/DS) vs Galaxy A51 5G (SM-A516B/DS)} 4 Advantages Samsung Galaxy A51 5G (SM-A516B/DS)
+2.73GHz 64bit Octa-core (7nm)30%
More powerful processor, you can open your applications faster
vs2.2GHz 64bit Octa-core (8nm)
+12GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+UFS 3.0Advantage
Fastest write and read storage.
vsUFS 2.1
+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 pixels78%
Higher resolution screen
vs1080x2400 pixels
+509 PPI26%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs405 PPI
+6.9"6%
Larger screen
vs6.5"
+(quad camera) 108MP + 48MP + 12MP + 0.3MP140%
Higher resolution main camera
vs(quad camera) 48MP + 12MP + 5MP + 5MP
+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
+1/1.33" inches50%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 40MP25%
Higher resolution secondary camera to take pictures and selfies
vs(front) 32MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(5G SA/NSA) 5000 Mbps150%
Faster for surfing the internet and download files
vs(5G SA/NSA) 2000 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+5000 mAh11%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4500 mAh
+45W2 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.
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)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
+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
+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, USB OTG On-The-Go
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
222 grams (7.77 ounces)vs+187 grams (6.55 ounces)19%
Lighter
8.8 millimeters (0.35 inches)vs+8.7 millimeters (0.34 inches)1%
Thinner
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general

26 Common items in both devices
128GB (104GB available) / 128GB (105GB available)
Until 1TB microSD, microSDXC
Aluminum frame, glass front/back / Aluminum body, glass front, plastic back
Dynamic AMOLED / Super AMOLED
16 million
LED flash
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus
+19 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 S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
ModelGalaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Other model namesGalaxy S20 Ultra 5G SM-G988B/Dual-Sim (Snapdragon, 12GB RAM)Galaxy A51 SM-A516B
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandSamsungSamsung
Release date3/6/2020, Announced: 2/11/20204/29/2020, Announced: 4/8/2020
Depth8.8 millimeters (0.35 inches)8.7 millimeters (0.34 inches)
Size (width x height)76 x 166.9 millimeters (2.99 x 6.57 in)73.6 x 158.9 millimeters (2.9 x 6.26 in)
Weight222 grams (7.77 ounces)187 grams (6.55 ounces)
Build, materialsAluminum frame, glass front/backAluminum body, glass front, plastic back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Display typeDynamic AMOLEDSuper AMOLED
Screen size6.9" inches6.5" inches
Screen-to-body ratio~90.6% (screen-to-body ratio)~87.2% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)509 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 3
Refresh rate120Hz60Hz
Display featuresHDR10+
Always-On Display
120Hz@FHD
60Hz@QHD
Always-On Display

🤖 Operating System

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
System versionAndroid 10Android 10
Firmware updateAndroid 13Android 13
User InterfaceOne UI 2.5 / 3.1 / 4.1 / 5.0One UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Chipset64bit: Samsung Exynos 990 (7nm)64bit: Samsung Exynos 980 (8nm)
CPUOcta-core, 3 processors:
2x 2.73GHz Mongoose M5 (Dual-core)
2x 2.5GHz ARM Cortex-A76 (Dual-core)
4x 2GHz ARM Cortex-A55 (Quad-core)
Octa-core, 2 processors:
2x 2.2GHz ARM Cortex-A77 (Dual-core)
6x 1.8GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerARM Mali-G77 MP11 (800MHz)ARM Mali-G76 MP5 (728MHz)
Performance (benchmark)AnTuTu: 415976 (v7), 514485 (v8)
Geekbench: 12191 (v4.4), 2697 (v5.1)
GFXBench: 21fps (ES 3.1 onscreen)
AnTuTu: 316007 (v8)
Geekbench: 1867(v5.1)
GFXBench: 17fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
RAM memory12GB LPDDR56GB LPDDR4X
Internal storage128GB (104GB available)
UFS 3.0
128GB (105GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
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
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload5000/1024 Mbps2000/200 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
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 850/900/1900/2100
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 Cat12/13 (1, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 77, 78)SA/NSA/Sub6 (41, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
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-AGPRS, EDGE

📷 Camera

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Back camera (main camera)(quad camera)
108 megapixels
48MP periscope telephoto f/3.5103mm1/2.0"0.8µmPDAFOIS4x-optical-zoom10x-hybrid-zoom
12MP ultrawide f/2.213mm1.4µmSuper-Steady-video
0.3MP TOF 3D f/1.0
(quad camera)
48 megapixels
12MP ultrawide f/2.213mm1.12µm
5MP telephoto f/2.440mm
5MP depth f/2.21/5.0"1.12µm
Main camera resolution12000x9000 pixels8000x6000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.33" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
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 S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Front camera (secondary)40 megapixels32 megapixels
Front camera resolution7296x5472 pixels6528x4896 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length26mm lens26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel size0.7µm pixel0.8µm pixel

🔉 Sound and multimedia

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM (RDS)
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 S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
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) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4500 mAh
Charger, watts45W Wired fast charging
USB Power Delivery 3.0
15W Wired fast charging
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
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: Cosmic Black, Cosmic Grey, Cloud White
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)
• Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink

☢️ Radiation rate

Galaxy S20 Ultra 5G (SM-G988B/DS)Galaxy A51 5G (SM-A516B/DS)
SAR 1.6W/kg (USA, Mexico, etc.)0.74W/kg (head), 1.12W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)0.66W/kg (head), 1.557W/kg (body)0.496W/kg (head), 1.555W/kg (body)
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