Samsung Galaxy S24 FE vs Samsung Galaxy S21

Compared 2 smartphones : Samsung Galaxy S24 FE Manufactured in October, 2024, with display 6.7 with chipsetSamsung Exynos 2400e, vs Samsung Galaxy S21, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S24 FE
  • Larger display: 6.7in
  • Higher battery capacity: 4700mAh vs 4000mAh
  • Newer Bluetooth version: 5.3 vs 5
  • Supports DisplayPort
Reasons to choose Samsung Galaxy S21
  • Higher pixel density: 421ppi
  • Lighter design: 169g vs 213g

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 8/512 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Samsung Galaxy S24 FE and Samsung Galaxy S21
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type Dynamic AMOLED Dynamic AMOLED
Size 6.7 in 6.2 in
Resolution 1080x2340 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 385 ppi 421 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (48-120 Hz)
Max brightness n/a 800 nits
HDR support Yes HDR10+ Yes HDR10+
Screen-to-body ratio 88 % 85.9 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S24 FE
1382 nits
Samsung Galaxy S21
854 nits
sRGB gamut100 %99.5 %
PWM (Flicker)120 Hz240 Hz
Response time3 ms5 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162 mm (6.38 in) 151.7 mm (5.97 in)
Width 77.3 mm (3.04 in) 71.2 mm (2.8 in)
Thickness 8 mm (0.31 in) 7.9 mm (0.31 in)
Weight 213 g (7.51 oz) 169 g (5.96 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Metal
Colors - Black
- Gray
- Blue
- Green
- Yellow
- White
- Gray
- Pink
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S24 FE
88 %
Samsung Galaxy S21
85.9 %

Performance

Testing Samsung Galaxy S24 FE and Samsung Galaxy S21 In benchmarks
Processor
Chipset Samsung Exynos 2400e Samsung Exynos 2100
Max Frequency 3110 MHz 2900 MHz
CPU Cores 10 (1 + 2 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.96 (Cortex-A520)
- 3/2.59 (Cortex-A720)
- 2/2.9 (Cortex-A720)
- 1/3.11 (Cortex-X4)
- 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process Samsung Samsung
Transistor Size 4 nm 5 nm
Neural Processor Yes Yes
Graphics Samsung Xclipse 940 Mali-G78 MP14
GPU Cores 768 896
GPU Frequency 1095 MHz 854 MHz
FLOPS 3406.8 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S24 FE
2147
Samsung Galaxy S21
1331
Geekbench 6 (Multi-Core)
Samsung Galaxy S24 FE
6825
Samsung Galaxy S21
3593
Geekbench 6 (Single-Core)21471331
Geekbench 6 (Multi-Core)68253593
Geekbench Compute (GPU)15442n/a
AnTuTu 10
AnTuTu 10
Samsung Galaxy S24 FE
1777453
Samsung Galaxy S21
903780
CPU434890253391
GPU726970281676
Memory318963158352
UX296630210361
NanoReview Score1777453903780
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S24 FE
n/a
Samsung Galaxy S21
5715
Max Surface Temp.n/a38.9 °C
Stabilityn/a66 %
Graphics Testn/a34 fps
Graphics Scoren/a5715
PCMark 3.0
PCMark 3.0
Samsung Galaxy S24 FE
n/a
Samsung Galaxy S21
13123
Writing scoren/a16101
Web scoren/a11909
Video editingn/a7097
Data manipulationn/a10153
NanoReview Scoren/a13123

Memory

RAM
RAM Size 8 GB 8 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4200 MHz 2750 MHz
Channels 4 2
Storage
Storage Capacity128 GB- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 11 (Upgradeable to Android 14)
OS Size 23.5 GB 28.1 GB
UI Skin One UI 7.0 One UI 6.0

Battery

Volume 4700 mAh 4000 mAh
Max Charging Power 25 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging Yes Yes (15 W)
Reverse Charging Yes (Wireless) Yes (Wireless)
Fast Charging Yes (56% in 30 min) Yes (55% in 50 min)
Full Charge Time 1:10 h 1:35 h
Battery Life Test
Battery Life
Samsung Galaxy S24 FE
23:02
Samsung Galaxy S21
17:54
Web Browsing07:20 h06:01 h
Video Playback13:33 h11:06 h
Games05:11 h04:21 h
Standby Mode129 h95 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8160x6120 pixels 4000x3000 pixels
Zoom Optical, 3x Optical, 1.1x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 960 fps (720p)
Wide-angle lens 123 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 8 MP
Ultra-wide: 12 MP
Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP12 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSamsung ISOCELL S5KGN3Sony IMX555
Sensor size1/1.571/1.76
Pixel size1 μm1.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix8 MP64 MP
Aperturef/2.4f/2.0
Focal length75 mm28 mm
SensorOmniVision OV08A10Samsung Bright S5KGW2
Sensor size1/4.41/1.72
Pixel size1 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSamsung S5K3L6Sony IMX563
Sensor size1/3.01/2.55
Pixel size1.12 μm1.4 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S24 FE
136
Samsung Galaxy S21
129
Video quality
Samsung Galaxy S24 FE
125
Samsung Galaxy S21
137
Overall camera score
Samsung Galaxy S24 FE
133
Samsung Galaxy S21
133
Bokeh6070
Preview6972
Zoomn/a126

Front camera

Matrix 10 MP 10 MP
Photo resolution 3648x2736 pixels 3872x2592 pixels
Aperture f/2.4 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3J1 Sony IMX374
Sensor size 1/2.65 1/3.24
Pixel size 1.22 μm 1.22 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version 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, 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
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850, 900, 1800, 1900 MHz
3G BandsUMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)WCDMA Band 1, 2, 4, 5, 8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B25/B26/B28/B32/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category2024
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S24 FE
91.9 dB
Samsung Galaxy S21
87 dB

Other

Class Flagship Flagship
Announced September, 2024 yr January, 2021 yr
Release Date October, 2024 yr February, 2021 yr
Launch Price ($) n/a 800
MSRP ($) 649 n/a
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a

Note

Samsung Galaxy S24 FE:

The 128 GB variant features UFS 3.1 memory, other models have UFS 4.0.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S24 FE the clear winner in this comparison.

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