Samsung Galaxy Z Flip 5 (SM-F731U 256GB) vs Xiaomi Mi 9 (64GB)

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Side by side comparison between Samsung Galaxy Z Flip 5 vs Xiaomi Mi 9 phones, differences, pros, cons and full specifications. What's the better?

8/28/2023 12:30 PM, updated: 11/21/2023 4:34 AM

Compare Xiaomi Mi 9 X Samsung Galaxy Z Flip 5 (SM-F731U 256GB) 21Points

Specifications Compare Models Pictures

6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

Octa-core

3700
mAh

(Non removable)

07Points Xiaomi Mi 9 (64GB) Compare Samsung Galaxy Z Flip 5 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Flip 5 (SM-F731U 256GB)

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 5 (SM-F731U 256GB)	vs	7 Advantages Xiaomi Mi 9 (64GB)
+3.36GHz 64bit Octa-core (4nm)28% More powerful processor, you can open your applications faster	vs	2.84GHz 64bit Octa-core (7nm)
+8GB LPDDR5X33% More RAM memory. Typically more responsive and better for multitasking.	vs	6GB LPDDR4X
+256GB (210GB available)3 times More internal storage for applications and files	vs	64GB (50GB available)
+UFS 4.0Advantage Fastest write and read storage.	vs	UFS 2.1
+6.9 millimeters (0.27 inches)10% Thinner	vs	7.61 millimeters (0.3 inches)
+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
+1/1.76" inches14% The larger sensor camera lets you take photos with better depth.	vs	1/2" inches
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 14Advantage Android 14 is newer and safer	vs	Android 10
+5G mmWaveAdvantage The 5G mmWave network is newer and faster	vs	4G LTE-A
+(5G mmWave) 5000 Mbps4 times Faster for surfing the internet and download files	vs	(4G LTE-A) 1024 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+3700 mAh12% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3300 mAh
+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 [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.3 + A2DP/LEAdvantage Bluetooth 5.3 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	USB 2.0 Type-C, USB OTG On-The-Go
+IPX8 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
187 grams (6.55 ounces)	vs	+173 grams (6.06 ounces)8% Lighter
(dual camera) 12.2MP + 12MP	vs	+(triple camera) 48MP + 16MP + 12MP2 times 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
(front) 10MP	vs	+(front) 20MP98% Higher resolution secondary camera to take pictures and selfies
25W	vs	+27W8% 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.
Not supported	vs	+Gorilla Glass 6Advantage Protection against scratches on the screen lets you carry your phone with your keys

23 Common items in both devices

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)

4K UHD (3840x2160)

+16 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 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Change model		Choose the model
Model	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Other model names	Galaxy Z Flip5 SM-F731U (AT&T, T-Mobile, Verizon)	小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T
Country or region available	USA	China, (Global, International)
Brand	Samsung	Xiaomi
Release date	8/11/2023, Announced: 7/26/2023	3/1/2019
Depth	6.9 millimeters (0.27 inches)	7.61 millimeters (0.3 inches)
Size (width x height)	71.9 x 165.1 millimeters (2.83 x 6.5 in)	74.67 x 157.5 millimeters (2.94 x 6.2 in)
Weight	187 grams (6.55 ounces)	173 grams (6.06 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus 2 Folded: 15.1 x 71.9 x 85.1 mm	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 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	6.7" inches	6.39" inches
Screen-to-body ratio	~85.5% (screen-to-body ratio)	~85.2% (screen-to-body ratio)
Display resolution	1080x2640 pixels	1080x2340 pixels
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 6
Refresh rate	120Hz	feature not registered
Display features	1750nits[peak] HDR10+ Always-On Display Extra display: Super AMOLED 3.4" (720x748), 306 ppi, Gorilla Glass Victus 2	feature not registered
🤖 Operating System
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
System version	Android 13	Android 9.0 Pie
Firmware update	Android 14	Android 10
User Interface	One UI 5.1 / 6.0	feature not registered
⚙️ Processor
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Chipset	64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm)	64bit: Qualcomm Snapdragon 855 (SM8150) (7nm)
CPU	Octa-core, 3 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 4x 2.8GHz ARM Cortex-A710/A715 (Quad-core) 3x 2GHz ARM Cortex-A510 (Triple-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 740	Qualcomm Adreno 640 (585MHz)
Performance (benchmark)	AnTuTu: 1200698 (v9), 1507299 (v10) Geekbench: 5478 (v5.5), 4984 (v6.0) GFXBench: 91fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
RAM memory	8GB LPDDR5X	6GB LPDDR4X
Internal storage	256GB (210GB available) UFS 4.0	64GB (50GB available) UFS 2.1
External storage	Not supported	Not supported
📶 Mobile networks
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
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	5000/1024 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	CDMA 800/1900, GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE	LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41)
Primary 5G network	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 70, 71, 77, 78) mmWave (257, 258, 260, 261)	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave	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	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE	Not supported
Secondary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave	GPRS, EDGE
📷 Camera
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Back camera (main camera)	(dual camera) 12.2 megapixels 12MP ultrawide f/2.2123°1.12µm	(triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom
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	24mm lens	feature not registered
Sensor size	1/1.76" inches	1/2" inches
Pixel size	1.8µm 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@30/60/240fps 720p@960fps HDR10+ Slow motion	feature not registered
📸 Front camera
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Front camera (secondary)	10 megapixels	20 megapixels
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/2.2 (aperture)	f/2.0 (aperture)
Focal length	23mm lens	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.22µm pixel	0.9µm pixel
🔉 Sound and multimedia
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
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	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
USB	USB 3.2 Type-C, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	Type-C reversible connector	Type-C jack with 3.5mm jack adapter
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.3 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
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 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3700 mAh	3300 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	27W Wired fast charging
Inductive / wireless charging	15W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	Qi wireless charging
Talk time autonomy	34 hours (1.4 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
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: Graphite, Cream, Lavender, Gray, Blue, Green, Mint, Yellow • Samsung Pay (Visa, MasterCard)	• Colors: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W
☢️ Radiation rate
	Galaxy Z Flip 5 (SM-F731U 256GB)	Xiaomi Mi 9 (64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.17W/kg (head), 0.45W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered