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Samsung Rex 80 (S5222R) vs Samsung Galaxy A51 (SM-A515F/DSM 64GB)

Side by side comparison between Samsung Rex 80 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A51 X Samsung Rex 80 (S5222R) 02Points
Samsung Rex 80 (S5222R)
Specifications Compare Models Pictures
3"
TFT

240x320

3.1
MP
N/A
1000
mAh

(Removable)

vs
30Points Samsung Galaxy A51 (SM-A515F/DSM 64GB) Compare Samsung Rex 80 X
Samsung Galaxy A51 (SM-A515F/DSM 64GB)
Specifications Compare Models Pictures
6.5"
AMOLED

1080x2400

48
MP

32mp

4GB
RAM

Octa-core

4000
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!

Rex 80 (S5222R)} 2 Advantages Samsung Rex 80 (S5222R) vs Galaxy A51 (SM-A515F/DSM 64GB)} 30 Advantages Samsung Galaxy A51 (SM-A515F/DSM 64GB)
+Proximity sensorAdvantage
Sensors help you use the device		vsVirtual proximity sensor
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily		vsLiPo: li-ion polymer (Non removable)
20MBvs+64GB (48GB available)2457 times
More internal storage for applications and files
Until 16GB microSD, microSDHCvs+Until 1TB microSD, microSDXC63 times
More external storage for files using memory cards
11.5 millimeters (0.45 inches)vs+7.9 millimeters (0.31 inches)46%
Thinner
TFT LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
240x320 pixelsvs+1080x2400 pixels33 times
Higher resolution screen
133 PPIvs+405 PPI2 times
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3"vs+6.5"117%
Larger screen
(back) 3.1MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP21 times
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Not supportedvs+PDAF: phase detection autofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 32MPAdvantage
A front-camera is best for taking selfies
Supportedvs+4K UHD (3840x2160)Advantage
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
2G EDGEvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(2G EDGE) 0.236 Mbpsvs+(4G LTE-A) 600 Mbps2541 times
Faster for surfing the internet and download files
Not supportedvs+AccelerometerAdvantage
Sensors help you use the device
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1000 mAhvs+4000 mAh3 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
Not supportedvs+A-GPS, GeoTagging, GLONASS, GALILEO, BeiDouAdvantage
It's harder to lose yourself in the city with GPS on your device
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
3.0vs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
9 Common items in both devices
Only digital zoom
Capacitive
Multitouch
Hands-free calling
Vibrating alert
2 slots (Dual-SIM)
3.5mm jack
+2 specs and more in the table below

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

Highlight differences Clear highlight

📱 Model features

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Change model 
ModelRex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Other model namesSamsung Rex 80 Duos S5222R for India marketSamsung Galaxy A51 SM-A515F/DSM
Country or region availableIndia
India		KazakhstanRussia
Kazakhstan, Russia
BrandSamsungSamsung
Release date3/1/201312/16/2019, Announced: 12/12/2019
Depth11.5 millimeters (0.45 inches)7.9 millimeters (0.31 inches)
Size (width x height)58 x 102 millimeters (2.28 x 4.02 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weightfeature not registered172 grams (6.02 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Display typeTFT LCDSuper AMOLED
Screen size3" inches6.5" inches
Screen-to-body ratio~47.1% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution240x320 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)133 PPI405 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredAlways-On Display

🤖 Operating System

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
System versionProprietary OSAndroid 10
Firmware updatefeature not registeredAndroid 13
User Interfacefeature not registeredOne UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Chipset32bit64bit: Samsung Exynos 9611 (10nm)
CPUSingle-core, 1 processor:
Single-core XMM 2150 (Single-core)		Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerfeature not registeredARM Mali-G72 MP3 (850MHz)
Performance (benchmark)feature not registeredAnTuTu: 113051 (v7), 175363 (v8)
Geekbench: 5401 (v4.4), 1294 (v5.1)
GFXBench: 5.6fps (ES 3.1 onscreen)

💽 Memory and storage

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
RAM memoryfeature not registered4GB LPDDR4X
Internal storage20MB64GB (48GB available)
eMMC 5.1
External storageUntil 16GB microSD, microSDHC
(dedicated slot)		Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 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)
Standard mini-SIM (2FF)		2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload0.236 Mbps600/150 Mbps
Network technology2G2G, 3G, 4G
Frequency, bands Expand band details Collapse 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 networkNot supportedUMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE 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, EDGEGPRS, 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 networkGPRSGPRS, EDGE

📷 Camera

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Back camera (main camera)3.1 megapixels(quad camera)
48 megapixels
12MP ultrawide f/2.213mm1.12µm
5MP telephoto f/2.440mm
5MP depth f/2.21/5.0"1.12µm
Main camera resolution2048x1536 pixels8000x6000 pixels
Video recording (primary)Supported4K UHD (3840x2160) 30 fps
FlashNot supportedLED flash
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusNot supportedPDAF: phase detection autofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Front camera (secondary)Not supported32 megapixels
Front camera resolutionNot supported6528x4896 pixels
Video recording (secondary)Not supported4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered26mm (lens)
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registered2 microphones or more
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.05.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSNot supportedA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedNot supported
Infrared portfeature not registeredNot supported

🧭 Sensors

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
SensorsProximity sensorAccelerometer
Ambient light sensor
ANT+
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1000 mAh4000 mAh
Charger, wattsWired charging15W Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy14.7 hoursfeature not registered
Standby490 hours (20.4 days)feature not registered

➕ Other features

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
Call controlVoice recorderVoice dialing, Voice recorder
MessagingSMS, MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserfeature not registeredHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: White, Gray, Black, Red
• Samsung TouchWiz Lite UI
• ChatON
• Opera browser
• Facebook, Twitter, YouTube
• Java framework		• Colors: Prism, Crush Black, White, Blue, Pink

☢️ Radiation rate

Samsung Rex 80 (S5222R)Galaxy A51 (SM-A515F/DSM 64GB)
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)
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