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Blu Star 4.5 Design Edition (S451U) vs Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)

Side by side comparison between Blu Star 4.5 Design Edition vs Samsung Galaxy A21s phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A21s X Blu Star 4.5 Design Edition (S451U) 04Points
4.5"
IPS

480x800

5
MP

0.3mp

512MB
RAM

Quad-core

1700
mAh

(Removable)

vs
23Points Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB) Compare Blu Star 4.5 Design Edition X
6.5"
PLS

720x1600

48
MP

13mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)

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!

Star 4.5 Design Edition (S451U)} 4 Advantages Blu Star 4.5 Design Edition (S451U) vs Galaxy A21s (SM-A217F/DSN 64GB/6GB)} 23 Advantages Samsung Galaxy A21s (SM-A217F/DSN 64GB/6GB)
+133 grams (4.66 ounces)44%
Lighter
vs192 grams (6.72 ounces)
+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
vsTFT PLS
+Ambient light sensorAdvantage
Sensors help you use the device
vsVirtual ambient light sensor
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
1.3GHz 32bit Quad-corevs+2GHz 64bit Octa-core (8nm)113%
More powerful processor, you can open your applications faster
512MB LPDDR2vs+6GB LPDDR4X11 times
More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)vs+64GB (48GB available)23 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 512GB microSD, microSDXC15 times
More external storage for files using memory cards
9.1 millimeters (0.36 inches)vs+8.9 millimeters (0.35 inches)2%
Thinner
480x800 pixelsvs+720x1600 pixels2 times
Higher resolution screen
207 PPIvs+270 PPI30%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+6.5"44%
Larger screen
(back) 5MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP11 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 0.3MPvs+(front) 13MP41 times
Higher resolution secondary camera to take pictures and selfies
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 5.0.2 Lollipopvs+Android 12Advantage
Android 12 is newer and safer
3G+ HSPA+vs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbpsvs+(4G LTE-A) 300 Mbps13 times
Faster for surfing the internet and download files
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1700 mAhvs+5000 mAh194%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

16 Common items in both devices
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
Full HD (1920x1080)
Capacitive
Multitouch
+9 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

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
ModelStar 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Other model namesBlu Star 4.5 S451u, Blu S451uGalaxy A21s SM-A217F/Dual-Sim NFC (64GB + 6GB RAM)
Country or region availableUSA
USA
Hong Kong
Hong Kong
BrandBluSamsung
Release date11/1/20146/2/2020, Announced: 5/15/2020
Depth9.1 millimeters (0.36 inches)8.9 millimeters (0.35 inches)
Size (width x height)64.3 x 127.7 millimeters (2.53 x 5.03 in)75.3 x 163.7 millimeters (2.96 x 6.44 in)
Weight133 grams (4.66 ounces)192 grams (6.72 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Display typeTFT IPS LCDTFT PLS
Screen size4.5" inches6.5" inches
Screen-to-body ratio~70.2% (screen-to-body ratio)~82.8% (screen-to-body ratio)
Display resolution480x800 pixels720x1600 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)207 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
System versionAndroid 4.4.2 KitKatAndroid 10
Firmware updateAndroid 5.0.2 LollipopAndroid 12
User Interfacefeature not registeredOne UI 2.0 / 3.1 / 4.1

⚙️ Processor

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Chipset32bit: MediaTek MT658264bit: Samsung Exynos 850 (8nm)
CPUQuad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
Octa-core, 1 processor:
8x 2GHz ARM Cortex-A55 (Octa-core)
GPU graphical controllerARM Mali-400ARM Mali-G52 MP1
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
RAM memory512MB LPDDR26GB LPDDR4X
Internal storage4GB (2GB available)64GB (48GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload21/5.76 Mbps300/150 Mbps
Network technology2G, 3G2G, 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 networkUMTS 850/1700/1900UMTS 850/900/1900/2100
Primary 4G networkNot supportedLTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1900/2100
Secondary 4G networkNot supportedLTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Back camera (main camera)5 megapixels(quad camera)
48 megapixels
8MP ultrawide f/2.21/4"1.12µm123°
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution2592x1944 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED 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
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Front camera (secondary)0.3 megapixels13 megapixels
Front camera resolution640x480 pixels4128x3096 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellationNot supported2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
USBMicroUSB 2.0USB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Virtual ambient light sensor
Vibrating alertSupportedSupported

🔋 Battery

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1700 mAh5000 mAh
Charger, wattsWired charging15W (9V/1.67A) Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
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: Black, White, Blue, Pink, Grey, Gold, Purple, Yellow
• Leather in the back
• Screen protector included
• Silicon Case included
• BLU Infinite View technology
• Colors: Black, White, Blue, Red

☢️ Radiation rate

Blu Star 4.5 Design Edition (S451U)Galaxy A21s (SM-A217F/DSN 64GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.422W/kg (head), 1.544W/kg (body)
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