Samsung Galaxy S21 Plus vs S21 FE 5G

Here we compared two flagship smartphones: the 6.7-inch Samsung Galaxy S21 Plus (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy S21 FE 5G, which is powered by Qualcomm Snapdragon 888 and came out 1 year after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21 Plus
  • Shows 12% longer battery life (20:53 vs 18:37 hours)
  • Has a 0.3 inch larger screen size
  • Delivers 12% higher peak brightness (879 against 786 nits)
  • Has 33% more RAM: 8GB versus 6GB
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy S21 FE 5G
  • The rear camera has a 3x optical zoom
  • 12% better performance in AnTuTu Benchmark (1138K versus 1017K)
  • More recent OS version: Android 16 versus 15
  • The phone is 1 year newer
  • 18% faster in single-core GeekBench 6 test: 1481 and 1259 points
  • Weighs 23 grams less

Review

Evaluation of Samsung Galaxy S21 Plus and S21 FE 5G 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
8 / 128 GB
VS
6 / 128 GB
53.0
(Average)
Value Index
168.7
(Excellent)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.7 inches 6.4 inches
Resolution 1080 x 2400 pixels 1080 x 2340 pixels
Aspect ratio 20:9 19.5:9
PPI 394 ppi 403 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (48-120 Hz) No
Max rated brightness 1300 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 88.7% 86.7%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 98.9% 97%
PWM 240 Hz 247 Hz
Response time 6.2 ms 6 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy S21 Plus
6.7″ (20:9 ratio) = 16.8 in2
Galaxy S21 FE 5G
6.4″ (19.5:9 ratio) = 15.6 in2
~7% more screen space
Peak brightness test (auto)
879 nits
786 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 161.5 mm (6.36 inches) 155.7 mm (6.13 inches)
Width 75.6 mm (2.98 inches) 74.5 mm (2.93 inches)
Thickness 7.8 mm (0.31 inches) 7.9 mm (0.31 inches)
Weight 200 g (7.05 oz) 177 g (6.24 oz)
Waterproof IP68 IP68
Rear material Glass Plastic
Frame material Metal Metal
Colors Black, Silver, Gold, Red, Purple White, Gray, Green, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

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

Benchmarks

Benchmark comparison of Samsung Galaxy S21 Plus and Samsung Galaxy S21 FE 5G
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 6699 4514
Single-core score 1259 1481
Multi-core score 3255 3173
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
1017773
1138928
CPU 380634 415282
GPU 187261 207688
Memory 186352 174461
UX 263526 341497
Total score 1017773 1138928
Samples [9 tests] [17 tests]
3DMark Steel Nomad Light
Stability - 71%
Graphics test - 3 FPS
Graphics score - 390
3DMark Wild Life Extreme
Stability - 68%
Graphics test - 9 FPS
Graphics score - 1666
Sources: 3DMark [5], [6]
PCMark 3.0
Web score - 13606
Video editing - 7043
Photo editing - 28743
Data manipulation - 10563
Writing score - 14216

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S21 Plus
DateBenchmarkResult
📘 2026-09-01 (Md. Iqbal Talukder)AnTuTu 111014567
📘 2026-05-30 (Júnior)AnTuTu 111049711
📘 2026-05-08 (Arcytechsure)AnTuTu 111125806
📘 2026-04-18 (Aziz Jr)Geekbench 6 GPU6699
📘 2026-04-18 (Aziz Jr)Geekbench 6 CPU1124 / 3273
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

Memory

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

Software

Operating system Android 11 (Can be upgraded to Android 15) Android 12 (Can be upgraded to Android 16)
ROM One UI 7.0 One UI 8.0
OS size 27.2 GB 17.5 GB
OS updates 2 years 4 years
Security updates 4 years 5 years

Battery

Capacity 4800 mAh 4500 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
Fast charging Yes (54% in 30 min) Yes (51% in 30 min)
Full charging time 1:12 hr 1:15 hr
Battery life tests
Web browsing 07:28 hr 06:11 hr
Watching video 13:15 hr 11:05 hr
Gaming 05:04 hr 04:48 hr
Standby 105 hr 100 hr
General battery life
20:53 hr
18:37 hr

Main camera

Matrix 12 megapixels 12 megapixels
Image resolution 4000 x 3000 4032 x 3024
Zoom Optical, 1.1x Optical, 3x
Flash Dual LED LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
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 120° 123°
Lenses 1) Standard: 12 MP
2) Telephoto: 64 MP
3) Ultrawide: 12 MP
1) Standard: 12 MP
2) Telephoto: 8 MP
3) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
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 64 MP 8 MP
Aperture f/2.0 f/2.4
Focal length 28 mm 76 mm
Sensor Samsung Bright S5KGW2 Hynix Hi847
Sensor size 1/1.72" (≈ 0.58 inch) 1/4.5" (≈ 0.22 inch)
Pixel size 0.8 micron 1 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 IMX563 Sony IMX258
Sensor size 1/2.55" (≈ 0.39 inch) 1/3.0" (≈ 0.33 inch)
Pixel size 1.4 micron 1.12 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 70 -
Preview 60 -
Zoom 114 -
Samples Photo samples of Samsung Galaxy S21 Plus from DxOMark Photo samples of Samsung Galaxy S21 FE 5G from DxOMark

Selfie camera

Megapixels 10 megapixels 32 megapixels
Image resolution 3872 x 2592 6464 x 4864
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Sony IMX374 Sony IMX616
Sensor size 1/3.24" (≈ 0.31 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.22 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) No
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, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage 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* Yes No
Hybrid slot No No
LTE Cat* 24 19
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
87.8 dB
88.9 dB

Other

Category Flagship Flagship
Announced January 2021 January 2022
Release date February 2021 January 2022
Launch price (MSRP) $1000 $790
Successor - Samsung Galaxy S22 Plus - Samsung Galaxy S25 FE
SAR (head) 0.54 W/kg 0.95 W/kg
SAR (body) 1.33 W/kg 1.48 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, performance, and software are more important to you, then choose the Samsung Galaxy S21 FE 5G. But if the battery life, connectivity, and design are more of a priority – go for the Samsung Galaxy S21 Plus.

Cast your vote

So, which phone would you choose?
614 (40%)
920 (60%)
Total votes: 1534

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