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Apple iPhone 6S Plus (128GB) vs Samsung Galaxy A21 (SM-A215U1)

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

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Compare Samsung Galaxy A21 XApple iPhone 6S Plus (128GB)16Points
Apple iPhone 6S Plus (128GB)
5.5"
IPS

1080x1920

12
MP

5mp

2GB
RAM

64bit Dual

2750
mAh

(Non removable)

vs
14PointsSamsung Galaxy A21 (SM-A215U1)Compare Apple iPhone 6S Plus X
Samsung Galaxy A21 (SM-A215U1)
6.5"
PLS

720x1600

16
MP

13mp

3GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Apple iPhone 6S Plus (128GB)

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!

iPhone 6S Plus (128GB)16 Advantages Apple iPhone 6S Plus (128GB)vsGalaxy A21 (SM-A215U1)14 Advantages Samsung Galaxy A21 (SM-A215U1)
+128GB (114GB available)5 times
More internal storage for applications and files
vs32GB (20GB available)
+NVMe (SSD)Advantage
Fastest write and read storage.
vseMMC 5.1
+192 grams (6.72 ounces)1%
Lighter
vs193 grams (6.76 ounces)
+7.3 millimeters (0.29 inches)11%
Thinner
vs8.1 millimeters (0.32 inches)
+Aluminum body, glass frontAdvantage
More resistant material
vsPlastic body, glass front
+TFT LED-Backlit IPS LCDAdvantage
TFT LED-Backlit IPS LCD display is brighter and more vivid
vsTFT PLS
+1080x1920 pixels80%
Higher resolution screen
vs720x1600 pixels
+401 PPI49%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs270 PPI
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+1/3" inches2%
The larger sensor camera lets you take photos with better depth.
vs1/3.06" inches
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(4G+ LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Sapphire GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
1.84GHz 64bit Dual-Corevs+2.3GHz 64bit Octa-Core72%
More powerful processor, you can open your applications faster
2GB LPDDR4vs+3GB LPDDR350%
More RAM memory. Typically more responsive and better for multitasking.
Not supportedvs+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
5.5"vs+6.5"18%
Larger screen
(back) 12MPvs+(quad camera) 16MP + 8MP + 2MP + 2MP134%
Higher resolution main camera
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 5MPvs+(front) 13MP154%
Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)vs+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
2300000 apps (App Store)vs+3500000 apps (Google Play Store)52%
More apps available to download and use
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
2750 mAhvs+4000 mAh45%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
4.2 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
USB 2.0 proprietary connectorvs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

25 Common items in both devices
60Hz
16 million
Only digital zoom
PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
4G+ LTE-A / 4G LTE
Capacitive
+18 specs and more in the table below

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

Highlight differencesClear highlight

📱 Model features

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
ModeliPhone 6S Plus (128GB)Galaxy A21 (SM-A215U1)
Other model namesiPhone 6s Plus A1634, iPhone 6s Plus A1687 CDMA, iPhone 6s+Galaxy A21 SM-A215UZKAXAA (USA Unlocked)
Country or region available(Global, International)
(Global, International)
USA
USA
BrandAppleSamsung
Release date9/25/2015, Announced: 9/9/20156/26/2020
Depth7.3 millimeters (0.29 inches)8.1 millimeters (0.32 inches)
Size (width x height)77.9 x 158.2 millimeters (3.07 x 6.23 in)76.7 x 167.8 millimeters (3.02 x 6.61 in)
Weight192 grams (6.72 ounces)193 grams (6.76 ounces)
Build, materialsAluminum body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

🤖 Operating System

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
System versioniOS 9.0Android 10
Firmware updateiOS 15feature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
Chipset64bit - Apple A9 (APL1022) (16nm)64bit - MediaTek Helio P35 (MT6765) (12nm)
CPUDual-Core, 1 processor:
1.84GHz Dual-Core Twister
Octa-Core, 2 processors:
2.3GHz Quad-Core ARM Cortex-A53
1.8GHz Quad-Core ARM Cortex-A53
GPU graphical controllerPowerVR GT7600 (6-core, 650MHz)PowerVR GE8320 MP2 (680MHz)
Performance (benchmark)Basemark OS II: 2261 (2.0)feature not registered

💽 Memory and storage

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
RAM memory2GB LPDDR43GB LPDDR3
Internal storage128GB (114GB available)
NVMe (SSD)
32GB (20GB available)
eMMC 5.1
External storageNot supportedUntil 512GB microSD, microSDXC
(dedicated slot)

📲 Display

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
Display typeTFT LED-Backlit IPS LCDTFT PLS
Screen size5.5" inches6.5" inches
Screen-to-body ratio~67.7% (screen-to-body ratio)~79.3% (screen-to-body ratio)
Display resolution1080x1920 pixels (16:9)720x1600 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)401 PPI270 PPI
Colors16 million16 million
Scratch-resistant glassSapphire GlassNot supported
Display features60Hz60Hz

📶 Mobile networks

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum download/upload300/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900, CDMA 800/1700/1900/2100CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkCDMA2000
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
CDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6
A1634 model:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30)
TD-LTE (Bands 38, 39, 40, 41)
A1687 model:
LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29)
TD-LTE (Bands 38, 39, 40, 41)
LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
Back camera (main camera)12 megapixels(quad camera)
16 megapixels
8MP ultrawidef/2.21/4.0"1.12µm
2MP macrof/2.4
2MP depthf/2.4
Main camera resolution4608x2592 pixels4608x3456 pixels
Video recording (primary)4K UHD (3840x2160) 30 fpsFull HD (1920x1080) 30 fps
FlashDual-LED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal length29mm lensfeature not registered
Sensor size1/3" inches1/3.06" inches
Pixel size1.22µm pixel1µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
Front camera (secondary)5 megapixels13 megapixels
Front camera resolution2592x1944 pixels4128x3096 pixels
Video recording (secondary)HD (1280x720)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length31mm lensfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
LoudspeakerSupportedSupported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMPEG4, H.264, H.265, MOVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, AAC, eAAC, M4AMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
USBUSB 2.0 proprietary connectorUSB 2.0 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputProprietary TV-outNot supported
Bluetooth4.2 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, QZSSA-GPS, GeoTagging, GLONASS
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
SensorsAccelerometer
Ambient Light sensor
Barometer
Compass
Fingerprint sensor (front-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient Light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
Battery typeLi-Ion: Lithium-Ion (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity2750 mAh4000 mAh
Charger, watts Standard charging15W Fast battery charging
Talk time autonomy24 hours (1 day)feature not registered
Standby384 hours (16 days)feature not registered

➕ Other features

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
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: Silver, Gold, Space Gray, Rose Gold
- Oleophobic coating
- Touch ID v2
- Simultaneous HD video and image recording
- 3D Touch display
- FaceTime
- Siri natural language
- AirDrop file sharing
- iCloud cloud service
- NFC Apple Pay only (Visa, MasterCard, AMEX)
- WiFi hotspot
- Colors: Black
- One UI 2.0

☢️ Radiation rate

Apple iPhone 6S Plus (128GB)Samsung Galaxy A21 (SM-A215U1)
SAR 1.6W/kg (USA, Mexico, etc.)1.12W/kg (head), 1.14W/kg (body)0.6W/kg (head), 1.27W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.93W/kg (head), 0.98W/kg (body)feature not registered
X

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