Samsung Galaxy Z Flip 3 (SM-F711B 128GB) vs Xiaomi Redmi K20 Pro (128GB/6GB)

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Side by side comparison between Samsung Galaxy Z Flip 3 vs Xiaomi Redmi K20 Pro phones, differences, pros, cons and full specifications. What's the better?

10/2/2021 7:12 PM, updated: 7/6/2023 2:15 AM

Compare Xiaomi Redmi K20 Pro X Samsung Galaxy Z Flip 3 (SM-F711B 128GB) 21Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

Octa-core

3300
mAh

(Non removable)

10Points Xiaomi Redmi K20 Pro (128GB/6GB) Compare Samsung Galaxy Z Flip 3 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Flip 3 (SM-F711B 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!

21 Advantages Samsung Galaxy Z Flip 3 (SM-F711B 128GB)	vs	10 Advantages Xiaomi Redmi K20 Pro (128GB/6GB)
+2.84GHz 64bit Octa-core (5nm)10% More powerful processor, you can open your applications faster	vs	2.84GHz 64bit Octa-core (7nm)
+8GB LPDDR533% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+UFS 3.1Advantage Fastest write and read storage.	vs	UFS 2.1
+183 grams (6.41 ounces)4% Lighter	vs	191 grams (6.69 ounces)
+6.9 millimeters (0.27 inches)28% Thinner	vs	8.8 millimeters (0.35 inches)
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	HDR10
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1080x2640 pixels13% Higher resolution screen	vs	1080x2340 pixels
+426 PPI6% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	403 PPI
+6.7"5% Larger screen	vs	6.39"
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 13Advantage Android 13 is newer and safer	vs	Android 9.0 Pie
+5G Sub6Advantage The 5G Sub6 network is newer and faster	vs	4G LTE-A
+(5G Sub6) 3000 Mbps193% Faster for surfing the internet and download files	vs	(4G LTE-A) 1024 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+IPX8 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
(dual camera) 12.2MP + 12MP	vs	+(triple camera) 48MP + 8MP + 13MP185% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
1/2.55" inches	vs	+1/2" inches28% The larger sensor camera lets you take photos with better depth.
(front) 10MP	vs	+(front) 20MP98% Higher resolution secondary camera to take pictures and selfies
3300 mAh	vs	+4000 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15W	vs	+27W80% 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.
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
Not supported	vs	+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys

22 Common items in both devices

128GB (100GB available) / 128GB (109GB available)

Aluminum frame, flexible plastic screen, glass back / Aluminum frame, glass front/back

Dynamic AMOLED / Super AMOLED

16 million

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

HDR photo/video on both cameras / HDR photo on both cameras

f/1.8 (aperture)

+15 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

📱 Model features
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Change model		Choose the model
Model	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Other model names	Galaxy Z Flip3 5G (SM-F711B)	Xiaomi Redmi K20 Pro 6GB RAM MZB7748IN, MZB7749IN, MZB7750IN
Country or region available	(Global, International)	China, India
Brand	Samsung	Xiaomi
Release date	8/27/2021, Announced: 8/11/2021	6/1/2019
Depth	6.9 millimeters (0.27 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	72.2 x 166 millimeters (2.84 x 6.54 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	183 grams (6.41 ounces)	191 grams (6.69 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus	Aluminum frame, glass front/back
Protection against water and others	IPX8 certified: water resistant up to 1.5 meters and 30min	Not supported
📲 Display
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	6.7" inches	6.39" inches
Screen-to-body ratio	~84.7% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	1080x2640 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	426 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 5
Refresh rate	120Hz	60Hz
Display features	1200nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 1.9" (260x512)	600nits[typ] HDR10
🤖 Operating System
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
System version	Android 11	Android 9.0 Pie
Firmware update	Android 13	feature not registered
User Interface	One UI 3.1 / 4.1 / 5.0	feature not registered
⚙️ Processor
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	AnTuTu: 596866 (v8), 682223 (v9) Geekbench: 3441 (v5.1) GFXBench: 40fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
RAM memory	8GB LPDDR5	6GB LPDDR4X
Internal storage	128GB (100GB available) UFS 3.1	128GB (109GB available) UFS 2.1
External storage	Not supported	Not supported
📶 Mobile networks
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	3000/1024 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G, 5G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1700/1900/2100	MZB7748IN, MZB7749IN, MZB7750IN version: UMTS 850/900/1900/2100 M1903F11A, M1903F11C, M1903F11T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	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	LTE Cat16/13 VoLTE MZB7748IN, MZB7749IN, MZB7750IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F11A, M1903F11C, M1903F11T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 41, 77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	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	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE
📷 Camera
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Back camera (main camera)	(dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm
Main camera resolution	4032x3024 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	4K UHD (3840x2160) 60 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	27mm lens	26mm lens
Sensor size	1/2.55" inches	1/2" inches
Pixel size	1.4µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion)	feature not registered
📸 Front camera
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Front camera (secondary)	10 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	3872x2592 pixels	5184x3840 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.4 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	feature not registered
Sensor size	1/3" inches	feature not registered
Pixel size	1.12µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.1 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 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
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	4000 mAh
Charger, watts	15W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	27W Wired fast charging
Inductive / wireless charging	10W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	feature not registered
Talk time autonomy	26 hours (1.1 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Phantom Black, Green, Lavender, Cream, White, Pink, Gray • Samsung DeX • Samsung Pay	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	Galaxy Z Flip 3 (SM-F711B 128GB)	Redmi K20 Pro (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.858W/kg (head), 1.578W/kg (body)	feature not registered