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Samsung Galaxy A21 (SM-A215U1) vs RedMagic 6

Side by side comparison between Samsung Galaxy A21 vs RedMagic 6 phones, differences, pros, cons and full specifications. What's the better?

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Compare RedMagic 6 X Samsung Galaxy A21 (SM-A215U1) 05Points
6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
6.8"
AMOLED

1080x2400

64
MP

8mp

12GB
RAM

Octa-core

5050
mAh

(Non removable)

What's the better phone? RedMagic 6

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-A215U1)} 5 Advantages Samsung Galaxy A21 (SM-A215U1) vs 6} 25 Advantages RedMagic 6
+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+193 grams (6.76 ounces)14%
Lighter
vs220 grams (7.7 ounces)
+8.1 millimeters (0.32 inches)20%
Thinner
vs9.7 millimeters (0.38 inches)
+(front) 13MP60%
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
2.3GHz 64bit Octa-core (12nm)vs+2.84GHz 64bit Octa-core (5nm)27%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+12GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
32GB (20GB available)vs+128GB (106GB available)4 times
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT PLSvs+AMOLEDAdvantage
AMOLED display is brighter and more vivid
Not supportedvs+HDR10Advantage
The HDR10 display provides vibrant colors and more details
60Hzvs+165Hz175%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 millionvs+1 billion62 times
More colors on the screen is better quality images and videos
720x1600 pixelsvs+1080x2400 pixels125%
Higher resolution screen
270 PPIvs+387 PPI43%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.5"vs+6.8"5%
Larger screen
(quad camera) 16MP + 8MP + 2MP + 2MPvs+(triple camera) 64MP + 8MP + 2MP165%
Higher resolution main camera
1/3.06" inchesvs+1/1.72" inches78%
The larger sensor camera lets you take photos with better depth.
Full HD (1920x1080)vs+8K UHD (7680x4320)15 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+5050 mAh26%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
15Wvs+65W3 times
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)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
USB 2.0 Type-C reversible connectorvs+USB 3.1 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
Not supportedvs+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys

21 Common items in both devices
LED flash
Only digital zoom
PDAF: phase detection autofocus
EIS: Digital stabilization
HDR photo on both cameras
f/1.8 (aperture)
(front) Full HD (1920x1080)
+14 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-A215U1)RedMagic 6
 
ModelGalaxy A21 (SM-A215U1)RedMagic 6
Other model namesGalaxy A21 SM-A215UZKAXAA (USA Unlocked)ZTE Nubia Red Magic 6 (128GB + 12GB RAM)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungRedMagic
Release date6/26/20204/9/2021
Depth8.1 millimeters (0.32 inches)9.7 millimeters (0.38 inches)
Size (width x height)76.7 x 167.8 millimeters (3.02 x 6.61 in)77.19 x 169.86 millimeters (3.04 x 6.69 in)
Weight193 grams (6.76 ounces)220 grams (7.7 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A21 (SM-A215U1)RedMagic 6
Display typeTFT PLSAMOLED
Screen size6.5" inches6.8" inches
Screen-to-body ratio~79.3% (screen-to-body ratio)~85.1% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)270 PPI387 PPI
Colors16 million1 billion
Scratch-resistant glassNot supportedGorilla Glass
Refresh rate60Hz165Hz
Display featuresNot supported630nits[typ]
HDR10

🤖 Operating System

Galaxy A21 (SM-A215U1)RedMagic 6
System versionAndroid 10Android 11
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Galaxy A21 (SM-A215U1)RedMagic 6
Chipset64bit: MediaTek Helio P35 (MT6765) (12nm)64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)
CPUOcta-core, 2 processors:
4x 2.3GHz ARM Cortex-A53 (Quad-core)
4x 1.8GHz ARM Cortex-A53 (Quad-core)
Octa-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
GPU graphical controllerPowerVR GE8320 MP2 (680MHz)Qualcomm Adreno 660 (840MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy A21 (SM-A215U1)RedMagic 6
RAM memory3GB LPDDR312GB LPDDR5
Internal storage32GB (20GB available)
eMMC 5.1
128GB (106GB available)
UFS 3.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

Galaxy A21 (SM-A215U1)RedMagic 6
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
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 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
CDMA2000 1xEV-DO
UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71)
TD-LTE (38, 39, 40, 41)
VoLTE
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA (41, 78)
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTEGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

Galaxy A21 (SM-A215U1)RedMagic 6
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)
64 megapixels
8MP f/2.2120°1.12μm
2MP f/2.478°1.75μm
Main camera resolution4608x3456 pixels10120x6328 pixels
Video recording (primary)Full HD (1920x1080) 30 fps8K UHD (7680x4320) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/3.06" inches1/1.72" inches
Pixel size1µm pixel0.8µm 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
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy A21 (SM-A215U1)RedMagic 6
Front camera (secondary)13 megapixels8 megapixels
Front camera resolution4128x3096 pixels3264x2448 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/4" inches
Pixel size1.12µm pixel1.12µm pixel

🔉 Sound and multimedia

Galaxy A21 (SM-A215U1)RedMagic 6
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMNot supported
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-A215U1)RedMagic 6
USBUSB 2.0 Type-C reversible connectorUSB 3.1 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
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A21 (SM-A215U1)RedMagic 6
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A21 (SM-A215U1)RedMagic 6
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh5050 mAh
Charger, watts15W Wired fast charging65W Wired fast charging
Quick Charge 4
USB Power Delivery 3.0
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy A21 (SM-A215U1)RedMagic 6
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: Eclipse black, Aurora
• Redmagic OS 4.0
• 2.5D glass display
• Stereo speakers
• 32-bit/384kHz audio
• ICE 6.0 Liquid Cooling
• 30W charger included (65W support)

☢️ Radiation rate

Galaxy A21 (SM-A215U1)RedMagic 6
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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