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Samsung Galaxy A51 (SM-A515F/DSM 64GB) vs Umidigi A11 Pro Max (128GB/4GB)

Side by side comparison between Samsung Galaxy A51 vs Umidigi A11 Pro Max phones, differences, pros, cons and full specifications. What's the better?

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Compare Umidigi A11 Pro Max XSamsung Galaxy A51 (SM-A515F/DSM 64GB)13Points
Samsung Galaxy A51 (SM-A515F/DSM 64GB)
6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
08PointsUmidigi A11 Pro Max (128GB/4GB)Compare Samsung Galaxy A51 X
Umidigi A11 Pro Max (128GB/4GB)
6.8"
IPS

1080x2460

48
MP

24mp

4GB
RAM

64bit Octa

5150
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 64GB)

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 A51 (SM-A515F/DSM 64GB)13 Advantages Samsung Galaxy A51 (SM-A515F/DSM 64GB)vsA11 Pro Max (128GB/4GB)8 Advantages Umidigi A11 Pro Max (128GB/4GB)
+2.3GHz 64bit Octa-Core9%
More powerful processor, you can open your applications faster
vs2GHz 64bit Octa-Core
+Until 1TB microSD, microSDXC3 times
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+172 grams (6.02 ounces)31%
Lighter
vs225 grams (7.88 ounces)
+7.9 millimeters (0.31 inches)9%
Thinner
vs8.6 millimeters (0.34 inches)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+405 PPI3%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs395 PPI
+(quad camera) 48MP + 12MP + 5MP + 5MP6%
Higher resolution main camera
vs(triple camera) 48MP + 16MP + 2MP
+(front) 32MP34%
Higher resolution secondary camera to take pictures and selfies
vs(front) 24MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+ANT+Advantage
Sensors help you use the device
vsNot supported
+15W50%
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.
vs10W
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
64GB (48GB available)vs+128GB (108GB available)125%
More internal storage for applications and files
Plastic body, glass frontvs+Aluminum body, glass frontAdvantage
More resistant material
1080x2400 pixelsvs+1080x2460 pixels2%
Higher resolution screen
6.5"vs+6.8"5%
Larger screen
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
f/2.0 (aperture)vs+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Virtual proximity sensorvs+Proximity sensorAdvantage
Sensors help you use the device
4000 mAhvs+5150 mAh29%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

33 Common items in both devices
4GB LPDDR4X
eMMC 5.1
60Hz
16 million
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
+26 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 A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
ModelGalaxy A51 (SM-A515F/DSM 64GB)A11 Pro Max (128GB/4GB)
Other model namesSamsung Galaxy A51 SM-A515F/DSMUMIDIGI A11 Pro Max (4GB RAM)
Country or region availableKazakhstanRussia
Kazakhstan, Russia
(Global, International)
(Global, International)
BrandSamsungUmidigi
Release date12/16/2019, Announced: 12/12/20198/1/2021
Depth7.9 millimeters (0.31 inches)8.6 millimeters (0.34 inches)
Size (width x height)73.6 x 158.5 millimeters (2.9 x 6.24 in)75.6 x 167.8 millimeters (2.98 x 6.61 in)
Weight172 grams (6.02 ounces)225 grams (7.88 ounces)
Build, materialsPlastic body, glass frontAluminum body, glass front
Protection against water and othersNot supportedNot supported

🤖 Operating System

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
System versionAndroid 10Android 11
Firmware updateAndroid 11feature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Chipset64bit - Samsung Exynos 9611 (10nm)64bit - MediaTek Helio G80 (MT6769V) (12nm)
CPUOcta-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A73
1.7GHz Quad-Core ARM Cortex-A53
Octa-Core, 2 processors:
2GHz Dual-Core ARM Cortex-A75
1.8GHz Hexa-Core ARM Cortex-A55
GPU graphical controllerARM Mali-G72 MP3 (850MHz)ARM Mali-G52 MC2 (950MHz)
Performance (benchmark)AnTuTu: 113051 (v7), 175363 (v8)
Geekbench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen)
AnTuTu: 194559 (v9)

💽 Memory and storage

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
RAM memory4GB LPDDR4X4GB LPDDR4X
Internal storage64GB (48GB available)
eMMC 5.1
128GB (108GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)

📲 Display

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Display typeSuper AMOLEDTFT IPS LCD
Screen size6.5" inches6.8" inches
Screen-to-body ratio~87.4% (screen-to-body ratio)~86.6% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2460 pixels (20.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)405 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Refresh rate60Hz60Hz
Display featuresNot supportedNot supported

📶 Mobile networks

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload600/150 Mbps600/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
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
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, 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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
(triple camera)
48 megapixels
16MP ultrawidef/2.2120°
2MP macrof/2.4
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registeredSony IMX582 sensor
Infrared temperature sensor

📸 Front camera

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Front camera (secondary)32 megapixels24 megapixels
Front camera resolution6528x4896 pixels5632x4224 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)FM
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 A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac (2.4Ghz, 5Ghz)
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
SensorsAccelerometer
Ambient Light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Battery typeLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4000 mAh5150 mAh
Charger, watts15W Fast battery charging10W Standard charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
Call controlVoice dialing, Voice recorderVoice 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: Prism, Crush Black, White, Blue, Pink
- One UI 2/3.1
- Always On Display
- Colors: Frost Grey, Mist Blue

☢️ Radiation rate

Samsung Galaxy A51 (SM-A515F/DSM 64GB)Umidigi A11 Pro Max (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.369W/kg (head), 1.59W/kg (body)feature not registered
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