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Samsung Galaxy S21 FE (SM-G990U 128GB) vs Samsung Galaxy A20 (SM-A205U1)

Side by side comparison between Samsung Galaxy S21 FE vs Samsung Galaxy A20 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A20 X Samsung Galaxy S21 FE (SM-G990U 128GB) 30Points
6.4"
AMOLED

1080x2400

12.2
MP

32mp

6GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
05Points Samsung Galaxy A20 (SM-A205U1) Compare Samsung Galaxy S21 FE X
6.4"
AMOLED

720x1560

13
MP

8mp

3GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G990U 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!

Galaxy S21 FE (SM-G990U 128GB)} 30 Advantages Samsung Galaxy S21 FE (SM-G990U 128GB) vs Galaxy A20 (SM-A205U1)} 5 Advantages Samsung Galaxy A20 (SM-A205U1)
+2.84GHz 64bit Octa-core (5nm)96%
More powerful processor, you can open your applications faster
vs1.6GHz 64bit Octa-core (14nm)
+6GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
vs3GB LPDDR4X
+128GB (97GB available)4 times
More internal storage for applications and files
vs32GB (21GB available)
+UFS 3.1Advantage
Fastest write and read storage.
vseMMC 5.1
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1080x2400 pixels131%
Higher resolution screen
vs720x1560 pixels
+411 PPI53%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs268 PPI
+(triple camera) 12.2MP + 12MP + 8MP81%
Higher resolution main camera
vs(dual camera) 13MP + 5MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+f/1.8 (aperture)6%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/1.9 (aperture)
+(front) 32MP3 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 8MP
+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
vsFull HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 11
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE
+(5G SA/NSA) 2000 Mbps12 times
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+Ambient light sensorAdvantage
Sensors help you use the device
vsNot supported
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+4500 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+25W67%
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.
vs15W
+Qi wireless chargingAdvantage
Wireless charging is another way to charge the battery.
vsNot supported
+2 slots (Dual-SIM)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
vs802.11 b/g/n [wifi4]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
177 grams (6.2 ounces)vs+169 grams (5.92 ounces)5%
Lighter
7.9 millimeters (0.31 inches)vs+7.8 millimeters (0.31 inches)1%
Thinner
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general

19 Common items in both devices
Dynamic AMOLED / Super AMOLED
16 million
6.4"
LED flash
PDAF: phase detection autofocus / Autofocus
HDR photo/video on both cameras / HDR photo on both cameras
Capacitive
+12 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 S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
ModelGalaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Other model namesGalaxy S21 FE 5G SM-G990U1 (Snapdragon)Galaxy A20 SM-A205U1 NFC (Unlocked)
Country or region availableUSA
USA
USA
USA
BrandSamsungSamsung
Release date1/7/2022, Announced: 1/4/20224/5/2019, Announced: 3/19/2019
Depth7.9 millimeters (0.31 inches)7.8 millimeters (0.31 inches)
Size (width x height)74.5 x 155.7 millimeters (2.93 x 6.13 in)74.7 x 158.4 millimeters (2.94 x 6.24 in)
Weight177 grams (6.2 ounces)169 grams (5.92 ounces)
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistantNot supported

📲 Display

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Display typeDynamic AMOLEDSuper AMOLED
Screen size6.4" inches6.4" inches
Screen-to-body ratio~85.3% (screen-to-body ratio)~85% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)720x1560 pixels (19.5:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)411 PPI268 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusNot supported
Refresh rate120Hz60Hz
Display features1300nits[peak]
HDR10+
Always-On Display
Not supported

🤖 Operating System

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
System versionAndroid 12Android 9.0 Pie
Firmware updateAndroid 14Android 11
User InterfaceOne UI 4.1 / 5.1 / 6.0One UI 2.5 / 3.1

⚙️ Processor

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Chipset64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)64bit: Samsung Exynos 7884 (14nm)
CPUOcta-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core)
Octa-core, 2 processors:
2x 1.6GHz ARM Cortex-A73 (Dual-core)
6x 1.35GHz ARM Cortex-A53 (Hexa-core)
GPU graphical controllerQualcomm Adreno 660 (840MHz)ARM Mali-G71 MP2 (770MHz)
Performance (benchmark)AnTuTu: 566529 (v8), 719696 (v9)
Geekbench: 3049 (v5.1)
GFXBench: 56fps (ES 3.1 onscreen)
AnTuTu: 122778 (v9)

💽 Memory and storage

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
RAM memory6GB LPDDR53GB LPDDR4X
Internal storage128GB (97GB available)
UFS 3.1
32GB (21GB available)
eMMC 5.1
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Dual-SIMDual-SIM Standby - Call active on one sim cardNot supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps150/50 Mbps
Network technology2G, 3G, 4G, 5G2G, 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 850/900/1800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100CDMA2000 1xEV-DO
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71)
Primary 5G networkSA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 78, 79)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat20 (1, 3, 3, 4, 5, 7, 8, 12, 20, 28)
TD-LTE (34, 38, 39, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSANot supported

📷 Camera

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Back camera (main camera)(triple camera)
12.2 megapixels
12MP ultrawide f/2.2123°13mm1/3"1.12µm
8MP telephoto f/2.476mm1/4.5"1.0µmPDAFOIS3x-optical-zoom
(dual camera)
13 megapixels
5MP ultrawide f/2.212mm
Main camera resolution4032x3024 pixels4128x3096 pixels
Video recording (primary)4K UHD (3840x2160) 60 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.9 (aperture)
Focal length26mm lens28mm lens
Sensor size1/1.76" inchesfeature not registered
Pixel size1.8µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical 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 extras4K@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)
feature not registered

📸 Front camera

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Front camera (secondary)32 megapixels8 megapixels
Front camera resolution6528x4896 pixels3264x2448 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lensfeature not registered
Sensor size1/2.74" inchesfeature not registered
Pixel size0.8µm pixelfeature not registered

🔉 Sound and multimedia

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, WMV, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C SlimPort®Not supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh4000 mAh
Charger, watts25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
15W Wired fast charging
Inductive / wireless charging15W Qi wireless charging
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registered26 hours (1.1 days)
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
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: Graphite, White, Lavender, Olive• Colors: Black, Deep Blue, Red, Coral Orange

☢️ Radiation rate

Galaxy S21 FE (SM-G990U 128GB)Galaxy A20 (SM-A205U1)
SAR 1.6W/kg (USA, Mexico, etc.)0.77W/kg (head), 0.9W/kg (body)1.09W/kg (head), 0.6W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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