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Samsung Galaxy A51 (SM-A515F/DSN) vs Xiaomi Redmi 8 (64GB)

Side by side comparison, pros, cons, differences between Samsung Galaxy A51 vs Xiaomi Redmi 8 phones with full specifications. What's the best?

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Compare Xiaomi Redmi 8 X21Samsung Galaxy A51 (SM-A515F/DSN)
Samsung Galaxy A51 (SM-A515F/DSN)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4000
mAh

(Non removable)

vs
Compare Samsung Galaxy A51 X04Xiaomi Redmi 8 (64GB)
Xiaomi Redmi 8 (64GB)
6.22"
IPS

720x1520

12
MP

8mp

4GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? The PhoneMore's choice is Samsung Galaxy A51 (SM-A515F/DSN)

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!


21 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
Galaxy A51 (SM-A515F/DSN)vsRedmi 8 (64GB)
 28%28%
+More powerful processor, you can open your applications faster
2.3Ghz 64bit Octa-Corevs2Ghz 64bit Octa-Core
 50%50%
+More RAM memory. Typically more responsive and better for multitasking
6GB LPDDR4Xvs4GB LPDDR3
 114%100%
+More internal storage for applications and files
128GB (107GB user available)vs64GB (50GB user available)
 100%100%
+More external storage for files using memory cards
Until 1TB microSD, microSDHC, microSDXCvsUntil 512GB microSD, microSDHC, microSDXC
 9%9%
+Lighter
172 grams (6.02 ounces)vs188 grams (6.58 ounces)
 19%19%
+Thinner
7.9 millimeters (0.31 inches)vs9.4 millimeters (0.37 inches)
Advantage
+This device has a Super AMOLED screen, which are brighter and more vivid
Super AMOLEDvsTFT LCD IPS
 137%100%
+Higher resolution screen
1080x2400 pixelsvs720x1520 pixels
 50%50%
+Crisper display of text, images and video because it has more pixels per inch (ppi)
405 PPIvs270 PPI
 5%5%
+Larger screen
6.5"vs6.22"
 4 times100%
+Higher resolution main camera
(quad camera) 48MP + 12MP + 5MP + 5MPvs(dual camera) 12MP + 2MP
 28%28%
+The larger sensor camera lets you take photos with better depth
1/2" inchesvs1/2.55" inches
 3 times100%
+Higher resolution secondary camera to take pictures and selfies
(front) 32MPvs(front) 8MP
 3 times100%
+More image quality for recording videos with the primary camera
4K UHD (3840x2160 pixels)vsFull HD (1920x1080 pixels)
Advantage
+Android 10 is newer and safer
Android 10vsAndroid 9.0 Pie
 3 times100%
+Faster for surfing the internet and download files
(4G+ LTE-A) 600 Mbpsvs(4G LTE) 150 Mbps
Advantage
+Sensors help you use the device
GyroscopevsNot supported
Advantage
+Sensors help you use the device
ANT+vsNot supported
Advantage
+WiFi 802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz) is newer and faster
802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)vs802.11 b/g/n (2.4Ghz)
Advantage
+Bluetooth 5.0 version A2DP/LE is newer and faster
5.0 version A2DP/LEvs4.2 version A2DP
Advantage
+NFC allows you to make payments by approach quickly and securely
NFCvsNot supported

04 Advantages Xiaomi Redmi 8 (64GB)
Redmi 8 (64GB)vsGalaxy A51 (SM-A515F/DSN)
 11%11%
+Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
f/1.8 (aperture)vsf/2.0 (aperture)
 25%25%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
5000 mAhvs4000 mAh
Advantage
+The radio lets you listen to your songs and sports in general
FMvsNot supported
Advantage
+Protection against water allows you talk to your friends in the rain, for example
P2i certifiedvsNot supported

29 Common items in both devices
eMMC 5.1
Plastic body, front glass
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
Full HD (1920x1080 pixels)
4G+ LTE-A / 4G LTE
Capacitive
Multitouch
3.5mm jack
Accelerometer
Proximity
Compass
Ambient Light
Fingerprint (under display) / Fingerprint (rear-mounted)
Face unlock
LiPo - Li-Ion polymer (Non removable)
Speakerphone
Video calling
Vibrating alert
2 slots Dual-SIM
Active noise cancellation
A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
USB 2.0 Type-C, USB OTG On-The-Go
HTML, XHTML, HTML5
Gorilla Glass 3 / Gorilla Glass 5
+ COMMON ITEMS

Check the comparison table below for more items that are not evaluated in comparison score above.

Model and physical featuresSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
ModelGalaxy A51 (SM-A515F/DSN)Redmi 8 (64GB)
Also known asSamsung Galaxy A51 SM-A515F/DSNXiaomi Redmi 8 (4GB RAM + 64GB) M1908C3IC, MZB8255IN
Country or region availableUnited Arab EmiratesEuropePakistanTaiwanVarious (International)Various (International)
BrandSamsungXiaomi
Release dateDecember, 2019October, 2019
Depth7.9 millimeters (0.31 inches)9.4 millimeters (0.37 inches)
Size (width x height)73.6 x 158.5 millimeters (2.9 x 6.24 in)75.4 x 156.5 millimeters (2.97 x 6.16 in)
Weight172 grams (6.02 ounces)188 grams (6.58 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, front glassPlastic body, front glass
Protection against water and othersNot supportedP2i certified: water repellent nano-coating
Operating system (OS)Samsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
Operating systemAndroid 10Android 9.0 Pie
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
Architecture - Chipset64bit - Samsung Exynos 9 Octa 9611 (10nm)64bit - Qualcomm Snapdragon 439 SDM439 (12nm)
CPU processorOcta-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-A53
1.45Ghz Hexa-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G72 MP3Qualcomm Adreno 505 650Mhz
RAM memory6GB LPDDR4X4GB LPDDR3
Internal storage128GB (107GB user available)
eMMC 5.1
64GB (50GB user available)
eMMC 5.1
External storageUntil 1TB microSD, microSDHC, microSDXC
(dedicated slot)
Until 512GB microSD, microSDHC, microSDXC
(dedicated slot)
DisplaySamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
Display typeSuper AMOLEDTFT LCD IPS
Screen size6.5" inches6.22" inches
Screen-to-body ratio~87.4% (screen-to-body ratio)~81.8% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution1080x2400 pixels720x1520 pixels
Pixel density (dot pitch)405 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 5
Mobile networks and dataSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
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)
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 850/900/1700/1900/2100M1908C3IC version:
UMTS 850/900/1700/1900/2100

MZB8255IN version:
UMTS 850/900/1900/2100
Primary 4G/5G networkLTE Cat12/13 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (Bands 38, 40, 41)
VoLTE
LTE Cat4
VoLTE

M1908C3IC version:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20)
TD-LTE (Bands 38, 40)

MZB8255IN version:
LTE (Bands 1, 3, 5, 8)
TD-LTE (Bands 40, 41)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
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
Maximum download/upload600/150 Mbps150/50 Mbps
Messaging and callingSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
Primary / back cameraSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
Main camera(quad camera)
48 megapixels
12MP ultrawide (f/2.2 13mm 1.12µm)
5MP telephoto (f/2.4 40mm)
5MP depth sensor (f/2.2 1/5.0" 1.12µm)
(dual camera)
12 megapixels
2MP depth sensor
Main camera resolution8000x6000 pixels4000x3000 pixels
Video recording (primary)4K UHD (3840x2160 pixels) 30 fpsFull HD (1920x1080 pixels) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.8 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2" inches1/2.55" inches
Pixel size0.8µm pixel1.4µm 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
Front / secondary cameraSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
Front camera32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080 pixels)Full HD (1920x1080 pixels)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.8" inchesfeature not registered
Pixel size0.8µm pixel1.12µm pixel
MultimediaSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 version A2DP/LE4.2 version A2DP
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedSupported
Other functionsSamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Hall effect
Face unlock
Fingerprint (under display)
ANT+
Accelerometer
Proximity
Compass
Ambient Light
Face unlock
Fingerprint (rear-mounted)
Other features- Colors: Prism, Crush Black, White, Blue, Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
- Colors: Onyx Black, Ruby Red, Sapphire Blue, Green
- MIUI 9
- WiFi direct, hotspot
Power supply and autonomySamsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
BatteryLiPo - Li-Ion polymer (Non removable)
Fast battery charging
LiPo - Li-Ion polymer (Non removable)
Fast battery charging
Battery capacity4000 mAh5000 mAh
Battery model / charger (watts)15W18W
Talk timefeature not registered1680 minutes | 28 hours | 1.2 days
Standbyfeature not registeredfeature not registered
Radiation rate (SAR)Samsung Galaxy A51 (SM-A515F/DSN)Xiaomi Redmi 8 (64GB)
SAR USA, Mexico, Colombiafeature not registeredfeature not registered
SAR European Union, UK0.369 W/Kg (head) | 1.59 W/Kg (body)feature not registered