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Samsung Galaxy S6 (SM-G920A 32GB) vs Samsung Galaxy S20 Ultra (SM-G988B/DS)

Side by side comparison between Samsung Galaxy S6 vs Samsung Galaxy S20 Ultra phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S20 Ultra X Samsung Galaxy S6 (SM-G920A 32GB) 06Points
5.1"
AMOLED

1440x2560

16
MP

5mp

3GB
RAM

Octa-core

2550
mAh

(Non removable)

vs
25Points Samsung Galaxy S20 Ultra (SM-G988B/DS) Compare Samsung Galaxy S6 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 (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 S6 (SM-G920A 32GB)} 6 Advantages Samsung Galaxy S6 (SM-G920A 32GB) vs Galaxy S20 Ultra (SM-G988B/DS)} 25 Advantages Samsung Galaxy S20 Ultra (SM-G988B/DS)
+138 grams (4.83 ounces)59%
Lighter
vs220 grams (7.7 ounces)
+6.8 millimeters (0.27 inches)29%
Thinner
vs8.8 millimeters (0.35 inches)
+576 PPI13%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs509 PPI
+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
2.1GHz 64bit Octa-corevs+2.73GHz 64bit Octa-core (7nm)43%
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 (24GB available)vs+128GB (104GB available)3 times
More internal storage for applications and files
UFS 2.0vs+UFS 3.0Advantage
Fastest write and read storage.
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
1440x2560 pixelsvs+1440x3200 pixels25%
Higher resolution screen
5.1"vs+6.9"35%
Larger screen
(back) 16MPvs+(quad camera) 108MP + 48MP + 12MP + 0.3MP10 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
1/2.6" inchesvs+1/1.33" inches95%
The larger sensor camera lets you take photos with better depth.
f/1.9 (aperture)vs+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 40MP7 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
(front) 2K UHD (2560x1440)vs+(front) 4K UHD (3840x2160)125%
More image quality for recording videos with the secondary camera
Android 8.0 Oreovs+Android 13Advantage
Android 13 is newer and safer
(4G LTE-A) 300 Mbpsvs+(4G LTE-A) 2000 Mbps6 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
2550 mAhvs+5000 mAh96%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15Wvs+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.
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.
802.11 a/b/g/n/ac [wifi5]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
4.1 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, 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.
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

25 Common items in both devices
Aluminum frame, glass front/back
Super AMOLED / Dynamic AMOLED
16 million
LED flash
Autofocus / PDAF: phase detection autofocus on both cameras
OIS: Optical stabilization
HDR photo/video on both cameras
+18 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 S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
ModelGalaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
Other model namesAT&T Galaxy S6 G920A, Samsung Zero FGalaxy S20 Ultra 4G-LTE SM-G988B/Dual-Sim (Exynos, 12GB RAM)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungSamsung
Release date4/10/20153/15/2020, Announced: 2/11/2020
Depth6.8 millimeters (0.27 inches)8.8 millimeters (0.35 inches)
Size (width x height)70.5 x 143.4 millimeters (2.78 x 5.65 in)76 x 166.9 millimeters (2.99 x 6.57 in)
Weight138 grams (4.83 ounces)220 grams (7.7 ounces)
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
Display typeSuper AMOLEDDynamic AMOLED
Screen size5.1" inches6.9" inches
Screen-to-body ratio~70.9% (screen-to-body ratio)~90.6% (screen-to-body ratio)
Display resolution1440x2560 pixels1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)576 PPI509 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 4Gorilla Glass 6
Refresh ratefeature not registered120Hz
Display featuresfeature not registeredHDR10+
Always-On Display
120Hz@FHD
60Hz@QHD

🤖 Operating System

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
System versionAndroid 5.0.2 LollipopAndroid 10
Firmware updateAndroid 8.0 OreoAndroid 13
User Interfacefeature not registeredOne UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
Chipset64bit: Samsung Exynos 7 Octa 7420 (14nm)64bit: Samsung Exynos 990 (7nm)
CPUOcta-core, 2 processors:
4x 2.1GHz ARM Cortex-A57 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (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 controllerARM Mali-T760 MP8ARM Mali-G77 MP11 (800MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
RAM memory3GB LPDDR412GB LPDDR5
Internal storage32GB (24GB available)
UFS 2.0
128GB (104GB available)
UFS 3.0
External storageNot supportedUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (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 / Upload300/50 Mbps2000/316 Mbps
Network technology2G, 3G, 4G2G, 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 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (Bands 1, 2, 3, 4, 5, 7, 8, 17, 20)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 networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
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 S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
Back camera (main camera)16 megapixels(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 resolution5312x2988 pixels12000x9000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.9 (aperture)f/1.8 (aperture)
Focal length28mm lens26mm lens
Sensor size1/2.6" inches1/1.33" inches
Pixel size1.12µm pixel0.8µm pixel
AutofocusAutofocusPDAF: 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/video on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
Front camera (secondary)5 megapixels40 megapixels
Front camera resolution2592x1944 pixels7296x5472 pixels
Video recording (secondary)2K UHD (2560x1440)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/1.9 (aperture)f/2.2 (aperture)
Focal length22mm lens26mm lens
Sensor size1/4.1" inchesfeature not registered
Pixel size1.34µm pixel0.7µm pixel

🔉 Sound and multimedia

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, DivX, XviD, WMVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.1 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (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, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portSupportedNot supported

🧭 Sensors

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
SensorsAccelerometer
Ambient light sensor
ANT+
Barometer
Compass
Fingerprint sensor (front-mounted)
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 S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity2550 mAh5000 mAh
Charger, watts15W Wired fast charging45W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingQi wireless charging (Qi/PMA)15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
Talk time autonomy17 hoursfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (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: Black, Blue, White, Gold
• Gorilla Glass 4 back panel
• Samsung Pay (Visa, MasterCard certified)
• S-Voice natural language
• OneDrive 115GB
• ANT+
• Colors: Cosmic Black, Cosmic Grey, Cloud White
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)

☢️ Radiation rate

Galaxy S6 (SM-G920A 32GB)Galaxy S20 Ultra (SM-G988B/DS)
SAR 1.6W/kg (USA, Mexico, etc.)1.13W/kg (head), 1.25W/kg (body)0.74W/kg (head), 1.12W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.319W/kg (head), 1.557W/kg (body)
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