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Samsung Galaxy M51 (SM-M515F/DSN) vs Xiaomi Mi 11 Ultra (256GB/12GB)

Side by side comparison between Samsung Galaxy M51 vs Xiaomi Mi 11 Ultra phones, differences, pros, cons with full specifications. What's the better?

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Compare Xiaomi Mi 11 Ultra XSamsung Galaxy M51 (SM-M515F/DSN)08Points
Samsung Galaxy M51 (SM-M515F/DSN)
6.7"
AMOLED

1080x2340

64
MP

32mp

6GB
RAM

64bit Octa

7000
mAh

(Non removable)

vs
28PointsXiaomi Mi 11 Ultra (256GB/12GB)Compare Samsung Galaxy M51 X
Xiaomi Mi 11 Ultra (256GB/12GB)
6.81"
AMOLED

1440x3200

50
MP

20mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Xiaomi Mi 11 Ultra (256GB/12GB)

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 M51 (SM-M515F/DSN)8 Advantages Samsung Galaxy M51 (SM-M515F/DSN)vsMi 11 Ultra (256GB/12GB)28 Advantages Xiaomi Mi 11 Ultra (256GB/12GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+213 grams (7.46 ounces)10%
Lighter
vs234 grams (8.19 ounces)
+Super AMOLED PlusAdvantage
Super AMOLED Plus display is brighter and more vivid
vsAMOLED
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+(front) 32MP61%
Higher resolution secondary camera to take pictures and selfies
vs(front) 20MP
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C jack with 3.5mm jack adapter
+7000 mAh40%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs5000 mAh
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
2.2Ghz 64bit Octa-Corevs+2.84Ghz 64bit Octa-Core25%
More powerful processor, you can open your applications faster
6GB LPDDR4Xvs+12GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
128GB (106GB available)vs+256GB (230GB available)117%
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
9.5 millimeters (0.37 inches)vs+8.38 millimeters (0.33 inches)13%
Thinner
Plastic body, glass frontvs+Aluminum body, glass front, ceramic backAdvantage
More resistant material
Not supportedvs+Dolby Vision/HDR10+Advantage
The Dolby Vision/HDR10+ display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
1080x2340 pixelsvs+1440x3200 pixels82%
Higher resolution screen
385 PPIvs+515 PPI34%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.7"vs+6.81"2%
Larger screen
(quad camera) 64MP + 12MP + 5MP + 5MPvs+(triple camera) 50MP + 48MP + 48MP70%
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/1.73" inchesvs+1/1.12" inches54%
The larger sensor camera lets you take photos with better depth.
4K UHD (3840x2160)vs+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
4G+ LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G+ LTE-A) 400 Mbpsvs+(5G SA/NSA) 3500 Mbps8 times
Faster for surfing the internet and download files
25Wvs+67W168%
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 supportedvs+Qi wireless chargingAdvantage
Wireless charging is another way to charge the battery.
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOvs+802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

23 Common items in both devices
PDAF: phase detection autofocus
HDR photo on both cameras / HDR photo/video on both cameras
Android 11
Capacitive
Multitouch
Accelerometer
Proximity sensor
+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 differencesClear highlight
Physical featuresSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
ModelGalaxy M51 (SM-M515F/DSN)Mi 11 Ultra (256GB/12GB)
Other model namesSamsung Galaxy M51 SM-M515F/DSN (6GB RAM)Xiaomi Mi 11 Ultra (256GB + 12GB RAM)
Country or region available(Europe)(Global, International)
(Europe), (Global, International)
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release dateSeptember, 2020April, 2021
Depth9.5 millimeters (0.37 inches)8.38 millimeters (0.33 inches)
Size (width x height)76.3 x 163.9 millimeters (3 x 6.45 in)74.6 x 164.3 millimeters (2.94 x 6.47 in)
Weight213 grams (7.46 ounces)234 grams (8.19 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum body, glass front, ceramic back
Protection against water and othersNot supportedIP68 certified: dust proof and waterproof over 1.5 meter and 30min
System (OS)Samsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Operating systemAndroid 10Android 11
Firmware updateAndroid 11feature not registered
HardwareSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Chipset64bit - Qualcomm Snapdragon 730G SDM730 (8nm)64bit - Qualcomm Snapdragon 888 SM8350 (5nm)
CPU processorOcta-Core, 2 processors:
2.2Ghz Dual-Core Kryo 470 Gold
1.8Ghz Hexa-Core Kryo 470 Silver
Octa-Core, 3 processors:
2.84Ghz Single-Core Kryo 680
2.42Ghz 3-Cores Kryo 680
1.8Ghz Quad-Core Kryo 680
GPU graphical controllerQualcomm Adreno 618 700MhzQualcomm Adreno 660 840Mhz
RAM memory6GB LPDDR4X12GB LPDDR5
Internal storage128GB (106GB available)
eMMC 5.1
256GB (230GB available)
UFS 3.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Not supported
DisplaySamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Display typeSuper AMOLED PlusAMOLED
Screen size6.7" inches6.81" inches
Screen-to-body ratio~88.1% (screen-to-body ratio)~91.4% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1440x3200 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)385 PPI515 PPI
Colors16 million1 billion
Scratch-resistant glassGorilla Glass 3Gorilla Glass Victus
Display features60Hz120Hz, 1700 nits, Dolby Vision/HDR10+
Mobile networksSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload400/50 Mbps3500/1024 Mbps
Network technology2G, 3G, 4G2G, 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, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat20
VoLTE

Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66)
TD-LTE (38, 40, 41, 42)

China version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G networkNot supportedGlobal version:
SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79)

China version:
SA/NSA (1, 3, 28, 41, 77, 78, 79)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Back camera (main camera)(quad camera)
64 megapixels
12MP ultrawidef/2.2123º
5MP macrof/2.4
5MP depthf/2.4
(triple camera)
50 megapixels
48MP periscope telephotof/4.1120mm1/2.0"0.8µmPDAFOIS5x-optical-zoom
48MP ultrawidef/2.212mm128º1/2.0"0.8µmPDAF
Main camera resolution10120x6328 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashDual-LED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length26mm lens24mm lens
Sensor size1/1.73" inches1/1.12" inches
Pixel size0.8µm pixel1.4µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
2ª cameraSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Front camera (secondary)32 megapixels20 megapixels
Front camera resolution6528x4896 pixels5184x3840 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal length26mm lens27mm lens
Sensor size1/2.8" inches1/3.4" inches
Pixel size0.8µm pixel0.8µm pixel
MultimediaSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
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
ConnectivitySamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
Audio output3.5mm jackType-C jack with 3.5mm jack adapter
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac/ax wifi6 (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedSupported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
Infrared portNot supportedSupported
Other functionsSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (under display)
Other features- Colors: Celestial Black, Electric Blue
- One UI 2.1, 3.1
- WiFi direct, hotspot
- Colors: Ceramic black, Ceramic white
- MIUI 12.5
- Screen protector included
- Protective case included
- 24-bit/192kHz audio
- Tuned by Harman Kardon
- WiFi direct, hotspot
- Secondary 1.1" AMOLED display next to the rear camera
Power supplySamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity7000 mAh5000 mAh
Charger, watts25W Fast battery charging
Reverse charging USB between devices
67W Fast battery charging
67W Qi wireless charging
10W Reverse wireless charging between devices
Quick Charge 4+
USB Power Delivery 3.0
Talk time autonomy3840 minutes | 64 hours | 2.7 daysfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy M51 (SM-M515F/DSN)Xiaomi Mi 11 Ultra (256GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.609W/kg (head) | 1.446W/kg (body)feature not registered
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