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Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) vs Realme 6 (128GB/4GB)

Side by side comparison between Samsung Galaxy S21 FE vs Realme 6 phones, differences, pros, cons and full specifications. What's the better?

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Compare Realme 6 X Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) 24Points
6.4"
AMOLED

1080x2400

12.2
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

vs
6.5"
IPS

1080x2400

64
MP

16mp

4GB
RAM

Octa-core

4300
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB)

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-G990E/DS 128GB/8GB)} 24 Advantages Samsung Galaxy S21 FE (SM-G990E/DS 128GB/8GB) vs 6 (128GB/4GB)} 8 Advantages Realme 6 (128GB/4GB)
+2.9GHz 64bit Octa-core (5nm)27%
More powerful processor, you can open your applications faster
vs2.05GHz 64bit Octa-core
+8GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
vs4GB LPDDR4X
+UFS 3.1Advantage
Fastest write and read storage.
vsUFS 2.1
+177 grams (6.2 ounces)8%
Lighter
vs191 grams (6.69 ounces)
+7.9 millimeters (0.31 inches)22%
Thinner
vs9.6 millimeters (0.38 inches)
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
vsTFT IPS LCD
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+120Hz33%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs90Hz
+411 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs405 PPI
+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
+(front) 32MP101%
Higher resolution secondary camera to take pictures and selfies
vs(front) 16MP
+(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 10
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE-A
+(5G SA/NSA) 2000 Mbps6 times
Faster for surfing the internet and download files
vs(4G LTE-A) 300 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+4500 mAh5%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4300 mAh
+Qi wireless chargingAdvantage
Wireless charging is another way to charge the battery.
vsNot supported
+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 a/b/g/n/ac [wifi5]
+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
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsWater repellent nano-coating (don't immerse)
128GB (97GB available)vs+128GB (108GB available)11%
More internal storage for applications and files
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
6.4"vs+6.5"2%
Larger screen
(triple camera) 12.2MP + 12MP + 8MPvs+(quad camera) 64MP + 8MP + 2MP + 2MP136%
Higher resolution main camera
1/1.76" inchesvs+1/1.72" inches2%
The larger sensor camera lets you take photos with better depth.
25Wvs+30W20%
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.
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

23 Common items in both devices
16 million
1080x2400 pixels
LED flash
PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
f/1.8 (aperture)
4K UHD (3840x2160)
+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 S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
ModelGalaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
Other model namesGalaxy S21 FE 5G SM-G990B/Dual-SIM (Exynos)Realme 6 RMX2001 (128GB + 4GB RAM)
Country or region availablePhilippinesIndiaMalaysiaThailand
Philippines, India, Malaysia, Thailand
(Global, International)
(Global, International)
BrandSamsungRealme
Release date1/7/2022, Announced: 1/4/20223/5/2020
Depth7.9 millimeters (0.31 inches)9.6 millimeters (0.38 inches)
Size (width x height)74.5 x 155.7 millimeters (2.93 x 6.13 in)74.8 x 162.1 millimeters (2.94 x 6.38 in)
Weight177 grams (6.2 ounces)191 grams (6.69 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-resistantWater repellent nano-coating (don't immerse)

📲 Display

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
Display typeDynamic AMOLEDTFT IPS LCD
Screen size6.4" inches6.5" inches
Screen-to-body ratio~85.3% (screen-to-body ratio)~84.1% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch
Pixel density (dot pitch)411 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass VictusGorilla Glass 3
Refresh rate120Hz90Hz
Display features1300nits[peak]
HDR10+
Always-On Display
480nits[typ]

🤖 Operating System

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
System versionAndroid 12Android 10
Firmware updateAndroid 14feature not registered
User InterfaceOne UI 4.1 / 5.1 / 6.0feature not registered

⚙️ Processor

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
Chipset64bit: Samsung Exynos 2100 (5nm)64bit: MediaTek Helio G90T (12nm)
CPUOcta-core, 3 processors:
1x 2.9GHz ARM Cortex-X1 (Single-core)
3x 2.8GHz ARM Cortex-A78 (Triple-core)
4x 2.2GHz ARM Cortex-A55 (Quad-core)
Octa-core, 2 processors:
2x 2.05GHz ARM Cortex-A76 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerARM Mali-G78 MP14 (854MHz)ARM Mali-G76 MC4 800Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
RAM memory8GB LPDDR54GB LPDDR4X
Internal storage128GB (97GB available)
UFS 3.1
128GB (108GB available)
UFS 2.1
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 Mbps300/75 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 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100Global version:
UMTS 850/900/1700/1900/2100
India version:
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 Cat6
Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
India version:
LTE (1, 3, 5, 8)
TD-LTE (38, 40, 41)
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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
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/NSAGPRS, EDGE

📷 Camera

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
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
(quad camera)
64 megapixels
8MP ultrawide f/2.313mm1/4.0"1.12µm
2MP macro f/2.4
2MP depth f/2.4mono
Main camera resolution4032x3024 pixels10120x6328 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/1.76" inches1/1.72" inches
Pixel size1.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
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-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
Front camera (secondary)32 megapixels16 megapixels
Front camera resolution6528x4896 pixels4608x3456 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 lens26mm lens
Sensor size1/2.74" inches1/3.06" inches
Pixel size0.8µm pixel1µm pixel

🔉 Sound and multimedia

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or moreNot supported
RadioNot supportedFM
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 S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
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®USB Type-C (reversible)
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 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz)
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-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4500 mAh4300 mAh
Charger, watts25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
30W (5V/6A) Wired fast charging
Inductive / wireless charging15W Qi wireless charging
4.5W Reverse wireless charging
Not supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
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: Graphite, White, Lavender, Olive• Colors: Comet Blue, Comet White
• Realme UI
• Protective case included

☢️ Radiation rate

Galaxy S21 FE (SM-G990E/DS 128GB/8GB)Realme 6 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.65W/kg (head), 1.19W/kg (body)1.14W/kg (head), 0.59W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.93W/kg (head), 1.319W/kg (body)0.71W/kg (head), 0.57W/kg (body)
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