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Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) vs Samsung Galaxy Z Flip 3 (SM-F711U 128GB)

Side by side comparison between Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Flip 3 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy Z Flip 3 XSamsung Galaxy S21 Ultra (SM-G998B/DS 128GB)17Points
Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
04PointsSamsung Galaxy Z Flip 3 (SM-F711U 128GB)Compare Samsung Galaxy S21 Ultra X
Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

64bit Octa

3300
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)17 Advantages Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)vsGalaxy Z Flip 3 (SM-F711U 128GB)4 Advantages Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
+12GB LPDDR550%
More RAM memory. Typically more responsive and better for multitasking.
vs8GB LPDDR5
+1440x3200 pixels62%
Higher resolution screen
vs1080x2640 pixels
+516 PPI21%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs426 PPI
+6.8"1%
Larger screen
vs6.7"
+(quad camera) 108MP + 10MP + 10MP + 12MP5 times
Higher resolution main camera
vs(dual camera) 12.2MP + 12MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+1/1.33" inches92%
The larger sensor camera lets you take photos with better depth.
vs1/2.55" inches
+(front) 40MP3 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 10MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+Android 12Advantage
Android 12 is newer and safer
vsAndroid 11
+5000 mAh52%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3300 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
+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
More SIM card slots. You can choose more carriers.
vs1 slot (Single-SIM) + e-SIM (Eletronic)
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs5.1 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 3.1 Type-C, USB OTG On-The-Go
+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
2.9GHz 64bit Octa-Corevs+2.84GHz 64bit Octa-Core5%
More powerful processor, you can open your applications faster
227 grams (7.95 ounces)vs+183 grams (6.41 ounces)24%
Lighter
8.9 millimeters (0.35 inches)vs+6.9 millimeters (0.27 inches)29%
Thinner
5G SA/NSAvs+5G NRAdvantage
The 5G NR network is newer and faster

40 Common items in both devices
128GB (101GB available) / 128GB (100GB available)
UFS 3.1
Aluminum frame, glass front/back / Aluminum frame, flexible plastic screen, glass back
Dynamic AMOLED
HDR10+
120Hz
16 million
+33 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 S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
ModelGalaxy S21 Ultra (SM-G998B/DS 128GB)Galaxy Z Flip 3 (SM-F711U 128GB)
Other model namesGalaxy S21 Ultra 5G (SM-G998B/Dual-SIM)Galaxy Z Flip3 5G (SM-F711U1)
Country or region available(Global, International)
(Global, International)
USA
USA
BrandSamsungSamsung
Release date1/29/2021, Announced: 1/14/20218/27/2021, Announced: 8/11/2021
Depth8.9 millimeters (0.35 inches)6.9 millimeters (0.27 inches)
Size (width x height)75.6 x 165.1 millimeters (2.98 x 6.5 in)72.2 x 166 millimeters (2.84 x 6.54 in)
Weight227 grams (7.95 ounces)183 grams (6.41 ounces)
Build, materialsAluminum frame, glass front/backAluminum frame, flexible plastic screen, glass back
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIPX8 certified: water resistant up to 1.5 meters and 30min

🤖 Operating System

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
System versionAndroid 11Android 11
Firmware updateAndroid 12feature not registered
User InterfaceOne UI 3.1One UI 3.1

⚙️ Processor

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
Chipset64bit - Samsung Exynos 2100 (5nm)64bit - Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-Core, 3 processors:
2.9GHz Single-Core ARM Cortex-X1
2.8GHz Triple-Core ARM Cortex-A78
2.2GHz Quad-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-G78 MP14 (854MHz)Qualcomm Adreno 660 (840MHz)
Performance (benchmark)AnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)
AnTuTu: 596866 (v8), 682223 (v9)
Geekbench: 3441 (v5.1)
GFXBench: 40fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
RAM memory12GB LPDDR58GB LPDDR5
Internal storage128GB (101GB available)
UFS 3.1
128GB (100GB available)
UFS 3.1
External storageNot supportedNot supported

📲 Display

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
Display typeDynamic AMOLEDDynamic AMOLED
Screen size6.8" inches6.7" inches
Screen-to-body ratio~89.4% (screen-to-body ratio)~84.7% (screen-to-body ratio)
Display resolution1440x3200 pixels (20:9)1080x2640 pixels
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)516 PPI426 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusNot supported
Display features120Hz, 1500nits[peak]
HDR10+
Always-On Display
120Hz, 1200nits[peak]
HDR10+
Extra display: Super AMOLED 1.9" (260x512)

📶 Mobile networks

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
Maximum download/upload5000/1920 Mbps5000/1024 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 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)SA/NSA/Sub6/mmWave (2, 5, 25, 41, 66, 71, 260, 261)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NR
Secondary 2G networkGSM 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
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
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NR

📷 Camera

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
Back camera (main camera)(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
(dual camera)
12.2 megapixels
12MP ultrawidef/2.2123°1.12µm
Main camera resolution12000x9000 pixels4032x3024 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 60 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens27mm lens
Sensor size1/1.33" inches1/2.55" inches
Pixel size1.8µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocus on both camerasPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationOIS: Optical stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo/video on both cameras
Camera extras4K@60fps
1080p@240fps
720p@960fps
1080p@240fps
720p@960fps

📸 Front camera

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
Front camera (secondary)40 megapixels10 megapixels
Front camera resolution7296x5472 pixels3872x2592 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.4 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/3" inches
Pixel size0.7µm pixel1.12µm pixel

🔉 Sound and multimedia

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
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

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 3.1 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connectorType-C reversible connector
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.2 + A2DP/LE5.1 + 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

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
SensorsAccelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity5000 mAh3300 mAh
Charger, watts25W Fast battery charging
15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging between devices
USB Power Delivery 3.0
15W Fast battery charging
Reverse charging USB between devices
10W WPC/Qi Wireless charging
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 S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
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: Phantom Black, Green, Lavender, Cream, White, Pink, Gray
- Gorilla Glass Victus on the back
- Bixby
- Samsung DeX
- Samsung Pay (MST, NFC)

☢️ Radiation rate

Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)Samsung Galaxy Z Flip 3 (SM-F711U 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.24W/kg (head), 0.72W/kg (body)1.12W/kg (head), 1.12W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.714W/kg (head), 1.58W/kg (body)feature not registered
X

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