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Samsung Galaxy S10 5G (SM-G977U 256GB) vs Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)

Side by side comparison between Samsung Galaxy S10 5G vs Samsung Galaxy S20 Ultra 5G phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S20 Ultra 5G X Samsung Galaxy S10 5G (SM-G977U 256GB) 09Points
6.7"
AMOLED

1440x3040

12.2
MP

10mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
17Points Samsung Galaxy S20 Ultra 5G (SM-G988B/DS) Compare Samsung Galaxy S10 5G X
6.9"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
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 S10 5G (SM-G977U 256GB)} 9 Advantages Samsung Galaxy S10 5G (SM-G977U 256GB) vs Galaxy S20 Ultra 5G (SM-G988B/DS)} 17 Advantages Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)
+2.84GHz 64bit Octa-core (7nm)7%
More powerful processor, you can open your applications faster
vs2.73GHz 64bit Octa-core (7nm)
+256GB (226GB available)117%
More internal storage for applications and files
vs128GB (104GB available)
+198 grams (6.93 ounces)12%
Lighter
vs222 grams (7.77 ounces)
+7.9 millimeters (0.31 inches)11%
Thinner
vs8.8 millimeters (0.35 inches)
+f/1.5 (aperture)20%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
8GB LPDDR4Xvs+12GB LPDDR550%
More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1vs+UFS 3.0Advantage
Fastest write and read storage.
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1440x3040 pixelsvs+1440x3200 pixels5%
Higher resolution screen
502 PPIvs+509 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.7"vs+6.9"3%
Larger screen
(quad camera) 12.2MP + 12MP + 16MP + 0.3MPvs+(quad camera) 108MP + 48MP + 12MP + 0.3MP3 times
Higher resolution main camera
1/2.55" inchesvs+1/1.33" inches92%
The larger sensor camera lets you take photos with better depth.
(dual front camera) 10MP + 0.3MPvs+(front) 40MP3 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
Android 12vs+Android 13Advantage
Android 13 is newer and safer
(5G SA/NSA) 2000 Mbpsvs+(5G SA/NSA) 5000 Mbps150%
Faster for surfing the internet and download files
4500 mAhvs+5000 mAh11%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
25Wvs+45W80%
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.
1 slot (Single-SIM)vs+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.
USB 3.1 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.

33 Common items in both devices
Aluminum frame, glass front/back
Dynamic AMOLED
HDR10+
16 million
LED flash
Digital and optical zoom
PDAF: phase detection autofocus on both cameras
+26 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 S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
ModelGalaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Other model namesGalaxy S10 5G (Snapdragon) G977U, Samsung Beyond XGalaxy S20 Ultra 5G SM-G988B/Dual-Sim (Snapdragon, 12GB RAM)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungSamsung
Release date5/16/2019, Announced: 2/1/20193/6/2020, Announced: 2/11/2020
Depth7.9 millimeters (0.31 inches)8.8 millimeters (0.35 inches)
Size (width x height)77.1 x 162.6 millimeters (3.04 x 6.4 in)76 x 166.9 millimeters (2.99 x 6.57 in)
Weight198 grams (6.93 ounces)222 grams (7.77 ounces)
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Display typeDynamic AMOLEDDynamic AMOLED
Screen size6.7" inches6.9" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~90.6% (screen-to-body ratio)
Display resolution1440x3040 pixels (19:9)1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)502 PPI509 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 6
Refresh rate60Hz120Hz
Display featuresHDR10+
Always-On Display
HDR10+
Always-On Display
120Hz@FHD
60Hz@QHD

🤖 Operating System

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
System versionAndroid 9.0 PieAndroid 10
Firmware updateAndroid 12Android 13
User InterfaceOne UI 2.0 / 3.1 / 4.1One UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Chipset64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)64bit: Samsung Exynos 990 (7nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 485 (Single-core)
3x 2.42GHz Kryo 485 (Triple-core)
4x 1.78GHz Kryo 485 (Quad-core)
Octa-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)
GPU graphical controllerQualcomm Adreno 640 (585MHz)ARM Mali-G77 MP11 (800MHz)
Performance (benchmark)feature not registeredAnTuTu: 415976 (v7), 514485 (v8)
Geekbench: 12191 (v4.4), 2697 (v5.1)
GFXBench: 21fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
RAM memory8GB LPDDR4X12GB LPDDR5
Internal storage256GB (226GB available)
UFS 2.1
128GB (104GB available)
UFS 3.0
External storageNot supportedUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload2000/1024 Mbps5000/1024 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 networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE
LTE 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
Primary 5G networkNSA/Sub6 (78)SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 77, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE 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
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Back camera (main camera)(quad camera)
12.2 megapixels
12MP telephoto f/2.452mm1/3.6"1.0µmAFOIS2x-optical-zoom
16MP ultrawide f/2.212mm1/3.1"1.0µmSuper-Steady-video
0.3MP depth TOF3D
(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
Main camera resolution4032x3024 pixels12000x9000 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.5 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.55" inches1/1.33" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomDigital and optical zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo/video on both cameras
Camera extras1080p@240fps
720p@960fps
4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Front camera (secondary)(dual front camera)
10 megapixels
0.3MP depth TOF3D
40 megapixels
Front camera resolution3872x2592 pixels7296x5472 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/1.9 (aperture)f/2.2 (aperture)
Focal length26mm lens26mm lens
Sensor size1/3" inchesfeature not registered
Pixel size1.22µm pixel0.7µm pixel

🔉 Sound and multimedia

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Stereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
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 S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
USBUSB 3.1 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)
Bluetooth5.0 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Heart rate
Proximity sensor
SpO2
Accelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh5000 mAh
Charger, watts25W (11V/2.25A) Wired fast charging
USB Power Delivery 3.0
45W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless charging15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
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: Majestic black, Crown silver
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)
• Colors: Cosmic Black, Cosmic Grey, Cloud White
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)

☢️ Radiation rate

Galaxy S10 5G (SM-G977U 256GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
SAR 1.6W/kg (USA, Mexico, etc.)0.46W/kg (head), 1.59W/kg (body)0.74W/kg (head), 1.12W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.66W/kg (head), 1.557W/kg (body)
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