Samsung Galaxy S21 FE 5G vs Galaxy S21

Here we compared two flagship smartphones: the 6.4-inch Samsung Galaxy S21 FE 5G (with Qualcomm Snapdragon 888 ) that was released on January 4, 2022, against the Samsung Galaxy S21, which is powered by Exynos 2100 and came out 1 year before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

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Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21 FE 5G
  • The rear camera has a 3x optical zoom
  • More recent OS version: Android 16 versus 15
  • The phone is 1 year newer
Reasons to consider the Samsung Galaxy S21
  • Delivers 9% higher peak brightness (861 against 793 nits)
  • Has 33% more RAM: 8GB versus 6GB
  • Ready for eSIM technology

Review

Evaluation of Samsung Galaxy S21 FE 5G and Galaxy S21 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation
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Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
6 / 128 GB
VS
8 / 128 GB
168.7
(Excellent)
Value Index
44.1
(Average)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.4 inches 6.2 inches
Resolution 1080 x 2340 pixels 1080 x 2400 pixels
Aspect ratio 19.5:9 20:9
PPI 403 ppi 421 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (48-120 Hz)
Max rated brightness 800 nits 800 nits
Max rated brightness in HDR 1200 nits -
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus
Screen-to-body ratio 86.7% 85.9%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 97% 99.5%
PWM 247 Hz 240 Hz
Response time 6 ms 5 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy S21 FE 5G
6.4″ (19.5:9 ratio) = 15.6 in2
Galaxy S21
6.2″ (20:9 ratio) = 14.4 in2
~8% more screen space
Peak brightness test (auto)
793 nits
861 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 155.7 mm (6.13 inches) 151.7 mm (5.97 inches)
Width 74.5 mm (2.93 inches) 71.2 mm (2.8 inches)
Thickness 7.9 mm (0.31 inches) 7.9 mm (0.31 inches)
Weight 177 g (6.24 oz) 169 g (5.96 oz)
Waterproof IP68 IP68
Rear material Plastic Plastic
Frame material Metal Metal
Colors White, Gray, Green, Purple White, Gray, Pink, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
86.7%
85.9%

Performance

Chipset specifications of Samsung Galaxy S21 FE 5G and Samsung Galaxy S21
SoC
Chipset Qualcomm Snapdragon 888 Samsung Exynos 2100
Max clock 2840 MHz 2900 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 1.8 GHz: Kryo 680 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 680 Gold (Cortex-A78)
- 1 core at 2.84 GHz: Kryo 680 Prime (Cortex-X1)
- 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.81 GHz: Cortex-A78
- 1 core at 2.91 GHz: Cortex-X1
L3 cache 4 MB -
Manufacturing Samsung Samsung
Lithography process 5 nanometers 5 nanometers
Neural processor (NPU) Hexagon 780 Yes
GPU
Graphics Adreno 660 Mali-G78 MP14
GPU shading units 768 448
GPU clock 840 MHz 854 MHz
FLOPS ~1290.2 GFLOPS ~765.2 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S21 FE 5G and Samsung Galaxy S21
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Galaxy S21 +19%
3767
Compute Score (GPU)
Galaxy S21 +50%
6754
Compute Score (GPU) 4514 6754
Single-core score 1481 1484
Multi-core score 3173 3767
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
1138928
1081778
CPU 415282 418023
GPU 207688 191872
Memory 174461 170606
UX 341497 301277
Total score 1138928 1081778
Samples [17 tests] [17 tests]
3DMark Steel Nomad Light
Stability 71% 72%
Graphics test 3 FPS 2 FPS
Graphics score 390 328
3DMark Wild Life Extreme
Stability 68% 64%
Graphics test 9 FPS 10 FPS
Graphics score 1666 1800
Sources: 3DMark [5], [6]
PCMark 3.0
13533
Web score 13606 13238
Video editing 7043 7092
Photo editing 28743 29658
Data manipulation 10563 10433
Writing score 14216 15614

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S21 FE 5G
DateBenchmarkResult
📘 2026-08-08 -> AlicanTuTuAnTuTu 111198886
📘 2026-07-21 (Psycho0Dream)AnTuTu 111157836
📘 2026-07-06 (Puzatik)AnTuTu 111118460
📘 2026-05-10 -> AlicanTuTuAnTuTu 111197004
📘 2026-05-10 (Alican TuTu)AnTuTu 111197004
Samsung Galaxy S21
DateBenchmarkResult
📘 2026-09-30 (Luckyy)AnTuTu 121281558
📘 2026-07-10 (TechNova0627)Geekbench 6 CPU1446 / 3772
📘 2026-07-10 (TechNova0627)AnTuTu 111115971
📘 2026-07-05 (Luckyy)AnTuTu 111086158
📘 2026-06-28 (forneusgang)AnTuTu 111087003

Memory

RAM
RAM size 6 GB 8 GB
Memory type LPDDR5 LPDDR5
Memory clock 3200 MHz 2750 MHz
Channels 4 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Software

Operating system Android 12 (Can be upgraded to Android 16) Android 11 (Can be upgraded to Android 15)
ROM One UI 8.0 One UI 7.0
OS size 17.5 GB 28.1 GB
OS updates 4 years 2 years
Security updates 5 years 4 years

Battery

Capacity 4500 mAh 4000 mAh
Max charge power 25 W 25 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (15 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging No No
Fast charging Yes (51% in 30 min) Yes (55% in 30 min)
Full charging time 1:15 hr 1:13 hr
Battery life tests
Web browsing 06:11 hr 06:01 hr
Watching video 11:05 hr 11:06 hr
Gaming 04:48 hr 04:21 hr
Standby 100 hr 95 hr
General battery life
18:37 hr
17:54 hr

Main camera

Matrix 12 megapixels 12 megapixels
Image resolution 4032 x 3024 4000 x 3000
Zoom Optical, 3x Optical, 1.1x
Flash LED Dual LED
Stabilization Optical Optical
8K video recording No Up to 24FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 123° 120°
Lenses 1) Standard: 12 MP
2) Telephoto: 8 MP
3) Ultrawide: 12 MP
1) Standard: 12 MP
2) Telephoto: 64 MP
3) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 12 MP 12 MP
Aperture f/1.8 f/1.8
Focal length 26 mm 26 mm
Sensor Sony IMX555 Sony IMX555
Sensor size 1/1.76" (≈ 0.57 inch) 1/1.76" (≈ 0.57 inch)
Pixel size 1.8 micron 1.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 8 MP 64 MP
Aperture f/2.4 f/2.0
Focal length 76 mm 28 mm
Sensor Hynix Hi847 Samsung Bright S5KGW2
Sensor size 1/4.5" (≈ 0.22 inch) 1/1.72" (≈ 0.58 inch)
Pixel size 1 micron 0.8 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 12 MP 12 MP
Aperture f/2.2 f/2.2
Focal length 13 mm 13 mm
Sensor Sony IMX258 Sony IMX563
Sensor size 1/3.0" (≈ 0.33 inch) 1/2.55" (≈ 0.39 inch)
Pixel size 1.12 micron 1.4 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh - 70
Preview - 61
Zoom - 114
Samples Photo samples of Samsung Galaxy S21 FE 5G from DxOMark Photo samples of Samsung Galaxy S21 from DxOMark

Selfie camera

Megapixels 32 megapixels 10 megapixels
Image resolution 6464 x 4864 3872 x 2592
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Sony IMX616 Sony IMX374
Sensor size 1/2.74" (≈ 0.36 inch) 1/3.24" (≈ 0.31 inch)
Pixel size 0.8 micron 1.22 micron
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- USB-Host mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No Yes
Hybrid slot No No
LTE Cat* 19 24
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
88.9 dB
87 dB

Other

Category Flagship Flagship
Announced January 2022 January 2021
Release date January 2022 February 2021
Launch price (MSRP) $790 $800
Successor - Samsung Galaxy S25 FE - Samsung Galaxy S22
SAR (head) 0.95 W/kg 0.46 W/kg
SAR (body) 1.48 W/kg 1.51 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included -
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera, battery life, and software are more important to you, then choose the Samsung Galaxy S21 FE 5G. But if the connectivity is more of a priority – go for the Samsung Galaxy S21.

Cast your vote

So, which phone would you choose?
2377 (66.7%)
1185 (33.3%)
Total votes: 3562

User opinions

You can share your opinion or ask a question in the comments below
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Avatar
Username June 22, 2025 at 04:17 PM
in my opinion s21 is better than s21 fe. this is just my opinion. s21 fe may be better in games too. because i have these 2 smartphones
+25 Reply
Avatar
Max Gamer April 27, 2026 at 04:09 AM
What processor does yours have
0 Reply