Skip to content

Motorola Moto G9 Power (XT2091-4) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

Side by side comparison between Motorola Moto G9 Power vs Samsung Galaxy A51 phones, differences, pros, cons with full specifications. What's the better?

,
Compare Samsung Galaxy A51 XMotorola Moto G9 Power (XT2091-4)06Points
Motorola Moto G9 Power (XT2091-4)
6.8"
IPS

720x1640

64
MP

16mp

4GB
RAM

64bit Octa

6000
mAh

(Non removable)

vs
16PointsSamsung Galaxy A51 (SM-A515F/DSM 128GB)Compare Motorola Moto G9 Power X
Samsung Galaxy A51 (SM-A515F/DSM 128GB)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

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

Moto G9 Power (XT2091-4)6 Advantages Motorola Moto G9 Power (XT2091-4)vsGalaxy A51 (SM-A515F/DSM 128GB)16 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+6.8"5%
Larger screen
vs6.5"
+1/1.97" inches2%
The larger sensor camera lets you take photos with better depth.
vs1/2" inches
+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)
+6000 mAh50%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+20W33%
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
+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2Ghz 64bit Octa-Corevs+2.3Ghz 64bit Octa-Core10%
More powerful processor, you can open your applications faster
4GB LPDDR4Xvs+6GB LPDDR4X50%
More RAM memory. Typically more responsive and better for multitasking.
Until 1GB microSD, microSDXCvs+Until 1TB microSD, microSDXC1023 times
More external storage for files using memory cards
221 grams (7.74 ounces)vs+172 grams (6.02 ounces)28%
Lighter
9.7 millimeters (0.38 inches)vs+7.9 millimeters (0.31 inches)23%
Thinner
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1640 pixelsvs+1080x2400 pixels120%
Higher resolution screen
263 PPIvs+405 PPI54%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(triple camera) 64MP + 2MP + 2MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP3%
Higher resolution main camera
(front) 16MPvs+(front) 32MP101%
Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
(4G+ LTE-A) 400 Mbpsvs+(4G+ LTE-A) 600 Mbps50%
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
Sensors help you use the device
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
More SIM card slots. You can choose more carriers.
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

33 Common items in both devices
128GB (109GB available) / 128GB (107GB available)
eMMC 5.1
Plastic body, glass front
60Hz
16 million
LED flash
Only digital zoom
+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
Physical featuresMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
ModelMoto G9 Power (XT2091-4)Galaxy A51 (SM-A515F/DSM 128GB)
Other model namesLenovo Moto G9 Power XT2091-4Samsung Galaxy A51 SM-A515F/DSM
Country or region available(Latin America)Brazil
(Latin America), Brazil
KazakhstanRussia
Kazakhstan, Russia
BrandMotorolaSamsung
Release dateDecember, 2020December, 2019
Depth9.7 millimeters (0.38 inches)7.9 millimeters (0.31 inches)
Size (width x height)76.79 x 172.14 millimeters (3.02 x 6.78 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight221 grams (7.74 ounces)172 grams (6.02 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersWater repellent nano-coating (don't immerse)Not supported
System (OS)Motorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
HardwareMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Chipset64bit - Qualcomm Snapdragon 662 SM6115 (11nm)64bit - Samsung Exynos 9 Octa 9611 (10nm)
CPU processorOcta-Core, 2 processors:
2Ghz Quad-Core Kryo 260 Gold
1.8Ghz Quad-Core Kryo 260 Silver
Octa-Core, 2 processors:
2.3Ghz Quad-Core ARM Cortex-A73
1.7Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerQualcomm Adreno 610 950MhzARM Mali-G72 MP3
RAM memory4GB LPDDR4X6GB LPDDR4X
Internal storage128GB (109GB available)
eMMC 5.1
128GB (107GB available)
eMMC 5.1
External storageUntil 1GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)
DisplayMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.8" inches6.5" inches
Screen-to-body ratio~83.1% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution720x1640 pixels (20.5:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)263 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Display features60Hz60Hz
Mobile networksMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD 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/upload400/150 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat13 (1, 2, 3, 4, 5, 7, 28, 66)
VoLTE
LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
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
CallingMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
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
CameraMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)(triple camera)
64 megapixels
2MP macrof/2.4AF
2MP depthf/2.4
(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
Main camera resolution10120x6328 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.97" inches1/2" inches
Pixel size0.7µm 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
2ª cameraMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)16 megapixels32 megapixels
Front camera resolution4608x3456 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel size1µm pixel0.8µm pixel
MultimediaMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
RadioFMFM (RDS)
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
ConnectivityMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEOA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Other features- Colors: Electric Violet, Metallic Sage
- WiFi direct, hotspot
- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
Power supplyMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity6000 mAh4000 mAh
Charger, watts20W Fast battery charging15W Fast battery charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateMotorola Moto G9 Power (XT2091-4)Samsung Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.369W/kg (head) | 1.59W/kg (body)
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.