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Samsung Galaxy S8 (SM-G950U) vs Motorola Moto G51 (128GB/4GB)

Side by side comparison between Samsung Galaxy S8 vs Motorola Moto G51 phones, differences, pros, cons and full specifications. What's the better?

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Compare Motorola Moto G51 XSamsung Galaxy S8 (SM-G950U)25Points
Samsung Galaxy S8 (SM-G950U)
5.8"
AMOLED

1440x2960

12.2
MP

8mp

4GB
RAM

64bit Octa

3000
mAh

(Non removable)

vs
12PointsMotorola Moto G51 (128GB/4GB)Compare Samsung Galaxy S8 X
Motorola Moto G51 (128GB/4GB)
6.8"
IPS

1080x2400

50
MP

13mp

4GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S8 (SM-G950U)

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 S8 (SM-G950U)25 Advantages Samsung Galaxy S8 (SM-G950U)vsMoto G51 (128GB/4GB)12 Advantages Motorola Moto G51 (128GB/4GB)
+UFS 2.0Advantage
Fastest write and read storage.
vseMMC 5.1
+155 grams (5.43 ounces)34%
Lighter
vs208 grams (7.28 ounces)
+8 millimeters (0.31 inches)14%
Thinner
vs9.1 millimeters (0.36 inches)
+Aluminum frame, glass front/backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10Advantage
The HDR10 display provides vibrant colors and more details
vsNot supported
+1440x2960 pixels64%
Higher resolution screen
vs1080x2400 pixels
+568 PPI47%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs387 PPI
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+1/2.55" inches8%
The larger sensor camera lets you take photos with better depth.
vs1/2.76" inches
+f/1.7 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.8 (aperture)
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 2K UHD (2560x1440)78%
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
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+Iris scannerAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
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
+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsIP52 certified
2.35GHz 64bit Octa-Corevs+2.2GHz 64bit Octa-Core4%
More powerful processor, you can open your applications faster
64GB (51GB available)vs+128GB (108GB available)112%
More internal storage for applications and files
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
5.8"vs+6.8"17%
Larger screen
(back) 12.2MPvs+(triple camera) 50MP + 8MP + 2MP4 times
Higher resolution main camera
(front) 8MPvs+(front) 13MP60%
Higher resolution secondary camera to take pictures and selfies
Android 9.0 Pievs+Android 11Advantage
Android 11 is newer and safer
4G+ LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G+ LTE-A) 1024 Mbpsvs+(5G SA/NSA) 2000 Mbps95%
Faster for surfing the internet and download files
3000 mAhvs+5000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
It's more advantageous to have more than one phone operator in the same device
5.0 + A2DP/LEvs+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster

27 Common items in both devices
4GB LPDDR4 / 4GB LPDDR4X
Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC
16 million
LED flash
Only digital zoom
PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus
BSI sensor
+20 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 S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
ModelGalaxy S8 (SM-G950U)Moto G51 (128GB/4GB)
Other model namesGalaxy S8 G950U Unlocked (Snapdragon), Samsung DreamLenovo Moto G51 5G (XT2171-1, XT2171-2, XT2171-3)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungMotorola
Release date4/21/2017, Announced: 3/29/201711/30/2021, Announced: 11/3/2021
Depth8 millimeters (0.31 inches)9.1 millimeters (0.36 inches)
Size (width x height)68.1 x 148.9 millimeters (2.68 x 5.86 in)76.5 x 170.5 millimeters (3.01 x 6.71 in)
Weight155 grams (5.43 ounces)208 grams (7.28 ounces)
Build, materialsAluminum frame, glass front/backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantIP52 certified: protection against dust and splashing

🤖 Operating System

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
System versionAndroid 7.0 NougatAndroid 11
Firmware updateAndroid 9.0 Piefeature not registered
User Interfacefeature not registeredMy UX

⚙️ Processor

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Chipset64bit - Qualcomm Snapdragon 835 (MSM8998) (10nm)64bit - Qualcomm Snapdragon 480+ (SM4350-AC) (8nm)
CPUOcta-Core, 2 processors:
2.35GHz Quad-Core Kryo 280
1.9GHz Quad-Core Kryo 280
Octa-Core, 2 processors:
2.2GHz Dual-Core Kryo 460
1.8GHz Hexa-Core Kryo 460
GPU graphical controllerQualcomm Adreno 540 (670-710MHz)Qualcomm Adreno 619
Performance (benchmark)AnTuTu: 199022 (v7)
Geekbench: 6656 (v4.4)
GFXBench: 13fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
RAM memory4GB LPDDR44GB LPDDR4X
Internal storage64GB (51GB available)
UFS 2.0
128GB (108GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📲 Display

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Display typeSuper AMOLEDTFT IPS LCD
Screen size5.8" inches6.8" inches
Screen-to-body ratio~84.2% (screen-to-body ratio)~85.6% (screen-to-body ratio)
Display resolution1440x2960 pixels (18.5:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)568 PPI387 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 5Not supported
Refresh rate60Hz120Hz
Display featuresHDR10Not supported

📶 Mobile networks

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload1024/150 Mbps2000/1024 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 networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 29, 30)
TD-LTE (38, 39, 40, 41)
LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32)
TD-LTE (38, 40, 41, 42, 43)
VoLTE
Primary 5G networkNot supportedSA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32)
TD-LTE (38, 40, 41, 42, 43)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA

📷 Camera

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Back camera (main camera)12.2 megapixels(triple camera)
50 megapixels
8MP ultrawidef/2.2118°1/4"1.12µm
2MP macrof/2.4
Main camera resolution4032x3024 pixels8160x6120 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 60 fps
FlashLED flashLED flash
Focal aperturef/1.7 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.55" inches1/2.76" inches
Pixel size1.4µm pixel0.64µm pixel
AutofocusPDAF on back camera and autofocus front cameraPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedSupported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extrasfeature not registered1080p@240fps

📸 Front camera

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Front camera (secondary)8 megapixels13 megapixels
Front camera resolution3264x2448 pixels4128x3096 pixels
Video recording (secondary)2K UHD (2560x1440)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.7 (aperture)f/2.2 (aperture)
Focal length25mm lensfeature not registered
Sensor size1/3.6" inchesfeature not registered
Pixel size1.22µm pixel1.12µm pixel

🔉 Sound and multimedia

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
LoudspeakerSupportedMono sound (not stereo)
Dolby Atmos
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, DivX, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.1 + 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) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
SensorsAccelerometer
Ambient Light sensor
ANT+
Barometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Heart rate
Iris scanner
Proximity sensor
SpO2
Accelerometer
Ambient Light sensor
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Battery typeLi-Ion: Lithium-Ion (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity3000 mAh5000 mAh
Charger, watts15W (9V/1.67A) Fast battery charging
Qi wireless charging (Qi/PMA)
Quick Charge 2
10W Standard charging
Talk time autonomy29 hours (1.2 days)feature not registered
Standby326 hours (13.6 days)feature not registered

➕ Other features

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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: Black, Silver, Blue, Gold, Orchid Gray
- Samsung DeX (desktop experience)
- Curved edge screen
- Corning Gorilla Glass 5 back panel
- Samsung Gear VR compatible
- Samsung Pay
- 32bit/192kHz audio
- Colors: Indigo Blue, Aqua Blue, Bright Silver

☢️ Radiation rate

Samsung Galaxy S8 (SM-G950U)Motorola Moto G51 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.75W/kg (head), 0.93W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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