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Samsung Galaxy S21 FE 5G vs Samsung Galaxy S27 Plus

Compare Samsung Galaxy S21 FE 5G vs Samsung Galaxy S27 Plus side by side: Qualcomm Snapdragon 888 5G vs Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy, 12MP vs…

Samsung Galaxy S21 FE 5G official product image

Samsung

Galaxy S21 FE 5G

$349

3categories won

Samsung Galaxy S27 Plus official product image

Samsung

Galaxy S27 Plus

$1,049

16categories won

3 categories tied · 22 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Samsung Galaxy S27 Plus takes the overall win

Overall Pick

The Samsung Galaxy S27 Plus proves superior overall against the Samsung Galaxy S21 FE 5G, outperforming on gaming and photography. In camera testing, the Galaxy S27 Plus leads with superior optics, while battery endurance leans towards the Galaxy S27 Plus. Choose the Galaxy S27 Plus if you want the highest performance ceiling, or opt for the Galaxy S21 FE 5G if its lower retail price better fit your budget.

🔋 BatteryGalaxy S27 Plus

Galaxy S27 Plus takes battery honors offering 5,100 mAh alongside 65W charging.

🎮 GamingGalaxy S27 Plus

Galaxy S27 Plus provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy and 16GB RAM.

📸 CameraGalaxy S27 Plus

Galaxy S27 Plus takes photography with 50MP optics and 3x optical telephoto capabilities.

🏷️ ValueGalaxy S21 FE 5G

Galaxy S21 FE 5G provides a sharper value proposition, coming in at $349 vs $1049.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

Galaxy S21 FE 5G vs Galaxy S27 Plus: specifications compared

Display

Display comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
Screen size
6.4"
6.75"
Resolution
1080 x 2340
1440 x 3120Winner
Pixel density
403 ppi
509 ppiWinner
Refresh rate
120 Hz
120 Hz
Peak brightness
1200 nits
3300 nitsWinner

Performance

Performance comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
Chipset
Qualcomm Snapdragon 888 5G
Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy
Process node
5 nm
2 nmWinner
AnTuTu score
810,000
3,200,000Winner
Geekbench multi
3650
10800Winner
Maximum RAM
8 GB
16 GBWinner
Maximum storage
256GB
512GBWinner

Camera

Camera comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
Main sensor
12 MP
50 MPWinner
Rear cameras
3
3
Optical zoom
3x
3x
Ultrawide
12 MP
50 MPWinner
Selfie camera
32 MPWinner
16 MP
Max video
4K at 60fps
8K at 30fps / 4K at 120fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
Capacity
4,500 mAh
5,100 mAhWinner
Wired charging
25 W
65 WWinner
Wireless charging
15 W
25 WWinner

Design

Design comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
Weight
177 gWinner
194 g
Thickness
7.9 mm
7.3 mmWinner
Water resistance
IP68
IP68
Build
Aluminum frame, plastic back, Gorilla Glass Victus front
Grade 5 Titanium frame, Ceramic Glass front and back

Software and support

Software and support comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
Operating system
Android 12
Android 17
OS updates
4 years
7 yearsWinner
Security updates
5 years
7 yearsWinner

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy S21 FE 5G, Samsung Galaxy S27 Plus
SpecificationGalaxy S21 FE 5GGalaxy S27 Plus
5G
Yes
Yes
Wi-Fi
Wi-Fi 6 (802.11ax)
Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)
Storage expansion
None
None
3.5mm jack
No
No
Launch price
$349Winner
$1,049

Samsung Galaxy S21 FE 5G

Built for value enthusiasts, the Galaxy S21 FE combines the flagship Snapdragon 888 chip, a 6.4-inch 120Hz Dynamic AMOLED display, and a dedicated 3x optical telephoto camera in a svelte 177g body.

Display
6.4"
Chipset
Qualcomm Snapdragon 888 5G
Main camera
12MP
Battery
4,500mAh
Full Galaxy S21 FE 5G specifications →

Samsung Galaxy S27 Plus

The Galaxy S27 Plus offers the expansive 6.75-inch QHD+ 3,300-nit visual experience and 5,100 mAh battery endurance of the Ultra in a sleeker, lighter 7.3mm chassis.

Display
6.75"
Chipset
Qualcomm Snapdragon 8 Elite Gen 2 for Galaxy
Main camera
50MP
Battery
5,100mAh
Full Galaxy S27 Plus specifications →

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