Samsung Galaxy S24 FE vs S21 FE 5G

Here we compared two flagship smartphones: the 6.7-inch Samsung Galaxy S24 FE (with Exynos 2400e) that was released on September 26, 2024, against the Samsung Galaxy S21 FE 5G, which is powered by Qualcomm Snapdragon 888 and came out 2 years and 9 months before. 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 S24 FE
  • 74% better performance in AnTuTu Benchmark (1977K versus 1138K)
  • Delivers 73% higher peak brightness (1374 against 793 nits)
  • Shows 24% longer battery life (23:02 vs 18:37 hours)
  • Better camera quality (According to DxOMark rating)
  • Newer Bluetooth version (v5.3)
  • Has a 0.3 inch larger screen size
  • Has 33% more RAM: 8GB versus 6GB
  • The phone is 2 years and 9 months newer
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy S21 FE 5G
  • Has 2 SIM card slots
  • Weighs 36 grams less

Review

Evaluation of Samsung Galaxy S24 FE 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
Select your primary usage scenario to get a more accurate NanoReview Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 84% Yes
Yes, this is a clear and meaningful upgrade.
Updating from Samsung Galaxy S21 FE 5G to Samsung Galaxy S24 FE is a clear step forward, and the improvements should be easy to notice.
Main improvements: gaming, performance, and camera.

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 2340 pixels 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 385 ppi 403 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max rated brightness 1300 nits 800 nits
Max rated brightness in HDR 1900 nits 1200 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Plus Gorilla Glass Victus
Screen-to-body ratio 88% 86.7%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 100% 97%
PWM 120 Hz 247 Hz
Response time 2 ms 6 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy S24 FE
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)
1374 nits
793 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 162 mm (6.38 inches) 155.7 mm (6.13 inches)
Width 77.3 mm (3.04 inches) 74.5 mm (2.93 inches)
Thickness 8 mm (0.31 inches) 7.9 mm (0.31 inches)
Weight 213 g (7.51 oz) 177 g (6.24 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber -
Rear material Glass Plastic
Frame material Metal Metal
Colors Black, Gray, Blue, Green, Yellow White, Gray, Green, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Good (3.11/5) -
Drop resistance Excellent (A) · 270 drops -
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy S24 FE and Samsung Galaxy S21 FE 5G
SoC
Chipset Samsung Exynos 2400e Qualcomm Snapdragon 888
Max clock 3110 MHz 2840 MHz
CPU cores 10 (1 + 2 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 1.95 GHz: Cortex-A520
- 3 cores at 2.6 GHz: Cortex-A720
- 2 cores at 2.9 GHz: Cortex-A720
- 1 core at 3.11 GHz: Cortex-X4
- 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 8 MB 4 MB
Manufacturing Samsung Samsung
Lithography process 4 nanometers 5 nanometers
Neural processor (NPU) Yes Hexagon 780
GPU
Graphics Xclipse 940 Adreno 660
GPU shading units 768 768
GPU clock 1095 MHz 840 MHz
FLOPS ~3406.8 GFLOPS ~1290.2 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S24 FE and Samsung Galaxy S21 FE 5G
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
16611
Compute Score (GPU) 16611 4514
Single-core score 2045 1481
Multi-core score 6397 3173
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
1977269
CPU 675682 415282
GPU 670589 207688
Memory 229976 174461
UX 401022 341497
Total score 1977269 1138928
Samples [55 tests] [17 tests]
3DMark Steel Nomad Light
Stability 70% 71%
Graphics test 13 FPS 3 FPS
Graphics score 1769 390
3DMark Solar Bay
Graphics test 29 FPS -
Section 1 35 FPS -
Section 2 28 FPS -
Section 3 24 FPS -
Graphics score 7699 -
3DMark Wild Life Extreme
Stability - 68%
Graphics test - 9 FPS
Graphics score - 1666
Sources: 3DMark [5], [6]
PCMark 3.0
16227
Web score 15997 13606
Video editing 8031 7043
Photo editing 33878 28743
Data manipulation 12347 10563
Writing score 19836 14216

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S24 FE
DateBenchmarkResult
📘 2026-09-21 (Vishnu)AnTuTu 122276561
📘 2026-09-08 -> lUjekShCPU Throttle81%
📘 2026-09-08 -> lUjekShAnTuTu 122134029
📘 2026-09-08 -> lUjekShCPU Throttle0%
📘 2026-09-08 -> lUjekShGeekbench 6 CPU2014 / 6373
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 LPDDR5X LPDDR5
Memory clock 4200 MHz 3200 MHz
Channels 4 4
Storage
Storage size 128 GB 128 GB
Storage type UFS 4.0 UFS 3.1
Memory card No No

Software

Operating system Android 14 (Can be upgraded to Android 16) Android 12 (Can be upgraded to Android 16)
ROM One UI 8.0 One UI 8.0
OS size 23.5 GB 17.5 GB
OS updates 4 years 4 years
Security updates 7 years 5 years

Battery

Capacity 4700 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 No
Fast charging Yes (56% in 30 min) Yes (51% in 30 min)
Full charging time 1:10 hr 1:15 hr
Battery cycles 2000 cycles -
Battery life tests
Web browsing 07:20 hr 06:11 hr
Watching video 13:33 hr 11:05 hr
Gaming 05:11 hr 04:48 hr
Standby 129 hr 100 hr
General battery life
23:02 hr
18:37 hr

Main camera

Matrix 50 megapixels 12 megapixels
Image resolution 8160 x 6120 4032 x 3024
Zoom Optical, 3x Optical, 3x
Flash LED LED
Stabilization Optical Optical
8K video recording Up to 30FPS No
4K video recording Up to 120FPS Up to 60FPS
1080p video recording Up to 120FPS Up to 60FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 123° 123°
Lenses 1) Standard: 50 MP
2) Telephoto: 8 MP
3) Ultrawide: 12 MP
1) Standard: 12 MP
2) Telephoto: 8 MP
3) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Standard lens
Image resolution 50 MP 12 MP
Aperture f/1.8 f/1.8
Focal length 24 mm 26 mm
Sensor Samsung ISOCELL S5KGN3 Sony IMX555
Sensor size 1/1.57" (≈ 0.64 inch) 1/1.76" (≈ 0.57 inch)
Pixel size 1 micron 1.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 8 MP 8 MP
Aperture f/2.4 f/2.4
Focal length 75 mm 76 mm
Sensor OmniVision OV08A10 Hynix Hi847
Sensor size 1/4.4" (≈ 0.23 inch) 1/4.5" (≈ 0.22 inch)
Pixel size 1 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 Samsung S5K3L6 Sony IMX258
Sensor size 1/3.0" (≈ 0.33 inch) 1/3.0" (≈ 0.33 inch)
Pixel size 1.12 micron 1.12 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 60 -
Preview 69 -
Zoom 126 -
Samples Photo samples of Samsung Galaxy S24 FE from DxOMark Photo samples of Samsung Galaxy S21 FE 5G from DxOMark

Selfie camera

Megapixels 10 megapixels 32 megapixels
Image resolution 3648 x 2736 6464 x 4864
Aperture f/2.4 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3J1 Sony IMX616
Sensor size 1/2.65" (≈ 0.38 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.22 micron 0.8 micron
Autofocus No 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 6E (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 5.3 5
Bluetooth features LE LE
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
- OTG
DisplayPort Yes -
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 1 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes No
Hybrid slot No No
LTE Cat* 20 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
91.9 dB

Other

Category Flagship Flagship
Announced September 2024 January 2022
Release date October 2024 January 2022
Launch price (MSRP) $649 $790
Successor - Samsung Galaxy S25 FE - Samsung Galaxy S25 FE
SAR (head) 0.86 W/kg 0.95 W/kg
SAR (body) 1.29 W/kg 1.48 W/kg
Sensors - Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Not included
Further details
Notes on Galaxy S24 FE:
    - The 128 GB variant features UFS 3.1 memory, other models have UFS 4.0.
*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 S24 FE is definitely a better buy.

Cast your vote

So, which phone would you choose?
161 (61.7%)
100 (38.3%)
Total votes: 261

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