Samsung Galaxy S21 FE 5G vs A36 5G

Here we compared two 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 A36 5G, which is powered by Qualcomm Snapdragon 6 Gen 3 and came out 3 years and 3 months after. 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
  • Handles wireless charging up to 15W
  • Waterproof body (IP68 classification)
  • Slow-motion recording at 960FPS
  • 35% better performance in AnTuTu Benchmark (1138K versus 844K)
  • Uses a faster type of memory: LPDDR5 3200 MHz
  • Reverse charging feature
  • 48% faster in single-core GeekBench 6 test: 1481 and 1004 points
  • Weighs 18 grams less
Reasons to consider the Samsung Galaxy A36 5G
  • Shows 34% longer battery life (24:52 vs 18:37 hours)
  • Delivers 56% higher peak brightness (1237 against 793 nits)
  • Newer Bluetooth version (v5.4)
  • Has a 0.3 inch larger screen size
  • The phone is 3 years and 3 months newer
  • Supports higher wattage charging (45W versus 25W)
  • Ready for eSIM technology

Review

Evaluation of Samsung Galaxy S21 FE 5G and A36 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
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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📱 Primary usage:

Value for money (Beta)

Should I update?
No 34% Yes
Mostly no. The difference is too small to matter in everyday use.
The overall difference between Samsung Galaxy S21 FE 5G and Samsung Galaxy A36 5G is not big enough to justify updating.
Main improvements: battery life and display.
Be aware: the newer phone is weaker in performance and gaming.

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Super AMOLED
Size 6.4 inches 6.7 inches
Resolution 1080 x 2340 pixels 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 403 ppi 385 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max rated brightness 800 nits 1200 nits
Max rated brightness in HDR 1200 nits 1900 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus Plus
Screen-to-body ratio 86.7% 86.5%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 97% 99.9%
PWM 247 Hz 120 Hz
Response time 6 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy A36 5G
6.7″ (19.5:9 ratio) = 17.1 in2
Galaxy S21 FE 5G
6.4″ (19.5:9 ratio) = 15.6 in2
~9% more screen space
Peak brightness test (auto)
793 nits
1237 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 155.7 mm (6.13 inches) 162.9 mm (6.41 inches)
Width 74.5 mm (2.93 inches) 78.2 mm (3.08 inches)
Thickness 7.9 mm (0.31 inches) 7.4 mm (0.29 inches)
Weight 177 g (6.24 oz) 195 g (6.88 oz)
Waterproof IP68 IP67
Advanced cooling - Vapor chamber
Rear material Plastic Glass
Frame material Metal Plastic
Colors White, Gray, Green, Purple White, Black, Green, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Good (3.19/5)
Drop resistance - Good (C) · 90 drops
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy S21 FE 5G and Samsung Galaxy A36 5G
SoC
Chipset Qualcomm Snapdragon 888 Qualcomm Snapdragon 6 Gen 3
Max clock 2840 MHz 2400 MHz
CPU cores 8 (1 + 3 + 4) 8 (4 + 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 1.8 GHz: Cortex-A55
- 4 cores at 2.4 GHz: Cortex-A78
L3 cache 4 MB -
Manufacturing Samsung Samsung
Lithography process 5 nanometers 4 nanometers
Neural processor (NPU) Hexagon 780 Hexagon
GPU
Graphics Adreno 660 Adreno 710
GPU shading units 768 256
GPU clock 840 MHz 1010 MHz
FLOPS ~1290.2 GFLOPS ~517.1 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S21 FE 5G and Samsung Galaxy A36 5G
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 4514 3506
Single-core score 1481 1004
Multi-core score 3173 2919
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
1138928
844447
CPU 415282 311567
GPU 207688 134619
Memory 174461 162720
UX 341497 235541
Total score 1138928 844447
Samples [17 tests] [66 tests]
3DMark Steel Nomad Light
Stability 71% 98%
Graphics test 3 FPS 2 FPS
Graphics score 390 315
3DMark Wild Life Extreme
Stability 68% 97%
Graphics test 9 FPS -
Graphics score 1666 -
Sources: 3DMark [5], [6]
PCMark 3.0
Web score 13606 14144
Video editing 7043 7296
Photo editing 28743 24677
Data manipulation 10563 10326
Writing score 14216 14497

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 A36 5G
DateBenchmarkResult
📘 2026-09-24 (Omar_Syriangamerr)AnTuTu 12910885
📘 2026-09-18 (DANYEALL)AnTuTu 121033807
📘 2026-09-15 (Jake)AnTuTu 121006916
📘 2026-07-17 (loapeasontsa)AnTuTu 11832796
📘 2026-07-12 (Wan)AnTuTu 11834318

Memory

RAM
RAM size 6 GB 6 GB
Memory type LPDDR5 LPDDR4X
Memory clock 3200 MHz 2133 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 15 (Can be upgraded to Android 16)
ROM One UI 8.0 One UI 8.5
OS size 17.5 GB 22.6 GB
OS updates 4 years 6 years
Security updates 5 years 6 years

Battery

Capacity 4500 mAh 5000 mAh
Max charge power 25 W 45 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (15 W) No
Reverse charging Yes, (wireless) No
Bypass charging No No
Fast charging Yes (51% in 30 min) Yes (60% in 30 min)
Full charging time 1:15 hr 1:14 hr
Battery cycles - 2000 cycles
Battery life tests
Web browsing 06:11 hr 10:13 hr
Watching video 11:05 hr 16:02 hr
Gaming 04:48 hr 04:55 hr
Standby 100 hr 115 hr
General battery life
18:37 hr
24:52 hr

Main camera

Matrix 12 megapixels 50 megapixels
Image resolution 4032 x 3024 8192 x 6144
Zoom Optical, 3x Digital
Flash LED LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 60FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 240 FPS (720p)
Angle of widest lens 123° 123°
Lenses 1) Standard: 12 MP
2) Telephoto: 8 MP
3) Ultrawide: 12 MP
1) Standard: 50 MP
2) Ultrawide: 8 MP
3) Macro: 5 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Standard lens
Image resolution 12 MP 50 MP
Aperture f/1.8 f/1.8
Focal length 26 mm -
Sensor Sony IMX555 Sony IMX882
Sensor size 1/1.76" (≈ 0.57 inch) 1/1.96" (≈ 0.51 inch)
Pixel size 1.8 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 8 MP -
Aperture f/2.4 -
Focal length 76 mm -
Sensor Hynix Hi847 -
Sensor size 1/4.5" (≈ 0.22 inch) -
Pixel size 1 micron -
Stabilization Optical -
Ultra-wide lens
Image resolution 12 MP 8 MP
Aperture f/2.2 f/2.2
Focal length 13 mm -
Sensor Sony IMX258 GalaxyCore GC08A3
Sensor size 1/3.0" (≈ 0.33 inch) 1/4.0" (≈ 0.25 inch)
Pixel size 1.12 micron 1.12 micron
Stabilization Digital Digital
Macro lens
Image resolution - 5 MP
Aperture - f/2.4
Sensor - GalaxyCore GC05A3
Stabilization - Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Samples Photo samples of Samsung Galaxy S21 FE 5G from DxOMark -

Selfie camera

Megapixels 32 megapixels 12 megapixels
Image resolution 6464 x 4864 3184 x 2388
Aperture f/2.2 f/2.2
Focal length 26 mm -
Sensor Sony IMX616 GalaxyCore GC12A2
Sensor size 1/2.74" (≈ 0.36 inch) -
Pixel size 0.8 micron -
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 30 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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort - No
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo, QZSS
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 -
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
90.5 dB

Other

Category Flagship Mid-range
Announced January 2022 March 2025
Release date January 2022 March 2025
Launch price (MSRP) $790 $399
Successor - Samsung Galaxy S25 FE - Samsung Galaxy A37 5G
SAR (head) 0.95 W/kg 0.53 W/kg
SAR (body) 1.48 W/kg 1.29 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Samsung Galaxy A36 5G is definitely a better buy.

Cast your vote

So, which phone would you choose?
48 (60.8%)
31 (39.2%)
Total votes: 79

User opinions

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