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Samsung Galaxy A21 (SM-A215U) vs Infinix Zero 5G

Side by side comparison between Samsung Galaxy A21 vs Infinix Zero 5G phones, differences, pros, cons and full specifications. What's the better?

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Compare Infinix Zero 5G X Samsung Galaxy A21 (SM-A215U) 02Points
6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
6.78"
IPS

1080x2460

48
MP

16mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Infinix Zero 5G

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 A21 (SM-A215U)} 2 Advantages Samsung Galaxy A21 (SM-A215U) vs Zero 5G} 23 Advantages Infinix Zero 5G
+193 grams (6.76 ounces)3%
Lighter
vs199 grams (6.97 ounces)
+8.1 millimeters (0.32 inches)9%
Thinner
vs8.8 millimeters (0.35 inches)
2.3GHz 64bit Octa-core (12nm)vs+2.4GHz 64bit Octa-core (6nm)18%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+8GB LPDDR4X167%
More RAM memory. Typically more responsive and better for multitasking.
32GB (20GB available)vs+128GB (103GB available)4 times
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
TFT PLSvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1600 pixelsvs+1080x2460 pixels131%
Higher resolution screen
270 PPIvs+396 PPI47%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.5"vs+6.78"4%
Larger screen
(quad camera) 16MP + 8MP + 2MP + 2MPvs+(triple camera) 48MP + 13MP + 2MP126%
Higher resolution main camera
LED flashvs+Quad-LED on main camera and Dual-LED on front cameraAdvantage
The Quad-LED on main camera and Dual-LED on front camera helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
1/3.06" inchesvs+1/2" inches53%
The larger sensor camera lets you take photos with better depth.
(front) 13MPvs+(front) 16MP25%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
Android 10vs+Android 11Advantage
Android 11 is newer and safer
4G LTEvs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbpsvs+(5G SA/NSA) 2000 Mbps12 times
Faster for surfing the internet and download files
4000 mAhvs+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15Wvs+33W120%
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.
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
802.11 a/b/g/n/ac [wifi5]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LEvs+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster

23 Common items in both devices
Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC
Plastic body, glass front
16 million
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
f/1.8 (aperture)
+16 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

Galaxy A21 (SM-A215U)Infinix Zero 5G
 
ModelGalaxy A21 (SM-A215U)Zero 5G
Other model namesGalaxy A21 SM-A215U (Sprint, T-Mobile, US Cellular, Verizon)Infinix Zero 5G X6815, X6815B
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungInfinix
Release date6/26/20203/3/2022, Announced: 2/8/2022
Depth8.1 millimeters (0.32 inches)8.8 millimeters (0.35 inches)
Size (width x height)76.7 x 167.8 millimeters (3.02 x 6.61 in)76.53 x 168.73 millimeters (3.01 x 6.64 in)
Weight193 grams (6.76 ounces)199 grams (6.97 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A21 (SM-A215U)Infinix Zero 5G
Display typeTFT PLSTFT IPS LCD
Screen size6.5" inches6.78" inches
Screen-to-body ratio~79.3% (screen-to-body ratio)~84.5% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2460 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI396 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh rate60Hz120Hz
Display featuresNot supported500nits[peak]

🤖 Operating System

Galaxy A21 (SM-A215U)Infinix Zero 5G
System versionAndroid 10Android 11
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredXOS 10

⚙️ Processor

Galaxy A21 (SM-A215U)Infinix Zero 5G
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: MediaTek Dimensity 900 (6nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 2 processors:
2x 2.4GHz ARM Cortex-A78 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)ARM Mali-G68 MC4 (900MHz)
Performance (benchmark)feature not registeredAnTuTu: 419083 (v8), 487639 (v9)
Geekbench: 2169 (v5.1)
GFXBench: 19fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy A21 (SM-A215U)Infinix Zero 5G
RAM memory3GB LPDDR38GB LPDDR4X
Internal storage32GB (20GB available)
eMMC 5.1
128GB (103GB available)
UFS 3.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A21 (SM-A215U)Infinix Zero 5G
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse 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 Cat4 (1, 2, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat7
VoLTE
X6815 version:
LTE (1, 2, 3, 4, 5, 7, 8, 17, 20, 28, 66)
TD-LTE (38, 40, 41)
X6815B version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, , 66)
TD-LTE ()
Primary 5G networkNot supportedX6815 version:
SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79)
X6815B version:
SA/NSA/Sub6 (1, 28, 38, 41, 77, 78, 79)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat7
VoLTE
X6815 version:
LTE (1, 2, 3, 4, 5, 7, 8, 17, 20, 28, 66)
TD-LTE (38, 40, 41)
X6815B version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, , 66)
TD-LTE ()
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

📷 Camera

Galaxy A21 (SM-A215U)Infinix Zero 5G
Back camera (main camera)(quad camera)
16 megapixels
8MP ultrawide f/2.21/4.0"1.12µm
2MP macro f/2.4
2MP depth f/2.4
(triple camera)
48 megapixels
13MP telephoto f/2.550mm1/3.1"1.12µmPDAF2x-optical-zoom
2MP
Main camera resolution4608x3456 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashQuad-LED on main camera and Dual-LED on front camera
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/3.06" inches1/2" inches
Pixel size1µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extrasfeature not registered1080p@30/60fps

📸 Front camera

Galaxy A21 (SM-A215U)Infinix Zero 5G
Front camera (secondary)13 megapixels16 megapixels
Front camera resolution4128x3096 pixels4608x3456 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedDual-LED
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/2.76" inches
Pixel size1.12µm pixel1.12µm pixel

🔉 Sound and multimedia

Galaxy A21 (SM-A215U)Infinix Zero 5G
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM
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

🔌 Connectivity

Galaxy A21 (SM-A215U)Infinix Zero 5G
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A21 (SM-A215U)Infinix Zero 5G
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A21 (SM-A215U)Infinix Zero 5G
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh5000 mAh
Charger, watts15W Wired fast charging33W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registered22 hours
Standbyfeature not registered600 hours (25 days)

➕ Other features

Galaxy A21 (SM-A215U)Infinix Zero 5G
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
• One UI 2.0
• Colors: Cosmic Black, Skylight Orange, Horizon Blue

☢️ Radiation rate

Galaxy A21 (SM-A215U)Infinix Zero 5G
SAR 1.6W/kg (USA, Mexico, etc.)0.6W/kg (head), 1.27W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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