Samsung Galaxy S23 vs S21 FE 5G

Here we compared two flagship smartphones: the 6.1-inch Samsung Galaxy S23 (with Snapdragon 8 Gen 2 Mobile Platform for Galaxy) that was released on February 1, 2023, against the Samsung Galaxy S21 FE 5G, which is powered by Qualcomm Snapdragon 888 and came out 1 year and 1 month 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 S23
  • 50% better performance in AnTuTu Benchmark (1712K versus 1138K)
  • Shows 18% longer battery life (22:02 vs 18:37 hours)
  • Better camera quality (According to DxOMark rating)
  • Delivers 51% higher peak brightness (1191 against 790 nits)
  • Newer Bluetooth version (v5.3)
  • Has 33% more RAM: 8GB versus 6GB
  • The phone is 1 year and 1 month newer
  • Faster storage type - UFS 4.0 versus UFS 3.1
  • 34% faster in single-core GeekBench 6 test: 1987 and 1481 points
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy S21 FE 5G
  • Has a 0.3 inch larger screen size
  • Has 2 SIM card slots

Review

Evaluation of Samsung Galaxy S23 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
DeviceFacts Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate DeviceFacts Score
📱 Primary usage:

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
80.6
(Good)
Value Index
168.7
(Excellent)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.1 inches 6.4 inches
Resolution 1080 x 2340 pixels 1080 x 2340 pixels
Aspect ratio 19.5:9 19.5:9
PPI 425 ppi 403 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (24-120 Hz) No
Max rated brightness 1200 nits 800 nits
Max rated brightness in HDR 1750 nits 1200 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus 2 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 98.9% 97%
PWM 240 Hz 247 Hz
Response time 1 ms 6 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
Galaxy S21 FE 5G
6.4″ (19.5:9 ratio) = 15.6 in2
Galaxy S23
6.1″ (19.5:9 ratio) = 14.2 in2
~10% more screen space
Peak brightness test (auto)
Galaxy S23 +51%
1191 nits
790 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 146.3 mm (5.76 inches) 155.7 mm (6.13 inches)
Width 70.9 mm (2.79 inches) 74.5 mm (2.93 inches)
Thickness 7.6 mm (0.3 inches) 7.9 mm (0.31 inches)
Weight 168 g (5.93 oz) 177 g (6.24 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber -
Rear material Glass Plastic
Frame material Metal Metal
Colors White, Black, Gray, Green, Purple, Yellow White, Gray, Green, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy S23 and Samsung Galaxy S21 FE 5G
SoC
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 888
Max clock 3360 MHz 2840 MHz
CPU cores 8 (1 + 2 + 2 + 3) 8 (1 + 3 + 4)
Architecture - 3 cores at 2 GHz: Cortex-A510
- 2 cores at 2.8 GHz: Cortex-A710
- 2 cores at 2.8 GHz: Cortex-A715
- 1 core at 3.2 GHz: Cortex-X3
- 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 TSMC Samsung
Lithography process 4 nanometers 5 nanometers
Neural processor (NPU) Hexagon Hexagon 780
GPU
Graphics Adreno 740 Adreno 660
GPU shading units 1536 768
GPU clock 680 MHz 840 MHz
FLOPS ~2089 GFLOPS ~1290.2 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S23 and Samsung Galaxy S21 FE 5G
Geekbench 6 (Single-Core)
Galaxy S23 +34%
1987
Geekbench 6 (Multi-Core)
Galaxy S23 +63%
5171
Compute Score (GPU)
Galaxy S23 +108%
9410
Compute Score (GPU) 9410 4514
Single-core score 1987 1481
Multi-core score 5171 3173
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Galaxy S23 +50%
1712393
CPU 587063 415282
GPU 434955 207688
Memory 275390 174461
UX 414985 341497
Total score 1712393 1138928
Samples [29 tests] [17 tests]
3DMark Steel Nomad Light
Galaxy S23 +174%
1069
Stability 76% 71%
Graphics test 8 FPS 3 FPS
Graphics score 1069 390
3DMark Solar Bay
Stability 73% -
Graphics test 20 FPS -
Section 1 23 FPS -
Section 2 20 FPS -
Section 3 18 FPS -
Graphics score 5348 -
3DMark Wild Life Extreme
Galaxy S23 +120%
3669
Stability 61% 68%
Graphics test 21 FPS 9 FPS
Graphics score 3669 1666
Sources: 3DMark [5], [6]
PCMark 3.0
Galaxy S23 +23%
15924
Web score 15188 13606
Video editing 7873 7043
Photo editing 33939 28743
Data manipulation 12935 10563
Writing score 19390 14216

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S23
DateBenchmarkResult
📘 2026-10-13 (Ct)AnTuTu 121868238
📘 2026-09-21 (Mil)AnTuTu 121763249
📘 2026-09-16 (Fluffyicebite:3)AnTuTu 121835927
📘 2026-09-09 -> Rafarobbie22AnTuTu 111708074
📘 2026-09-09 (Rafa)AnTuTu 111708074
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 - 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 13 (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 29.7 GB 17.5 GB
OS updates 4 years 4 years
Security updates 5 years 5 years

Battery

Capacity 3900 mAh 4500 mAh
Max charge power 25 W 25 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (10 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes No
Fast charging Yes (57% in 30 min) Yes (51% in 30 min)
Full charging time 1:16 hr 1:15 hr
Battery life tests
Web browsing 08:12 hr 06:11 hr
Watching video 13:41 hr 11:05 hr
Gaming 05:20 hr 04:48 hr
Standby 109 hr 100 hr
General battery life
Galaxy S23 +18%
22:02 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 60FPS Up to 60FPS
1080p video recording Up to 120FPS Up to 60FPS
Slow motion 960 FPS (1080p) 960 FPS (720p)
Angle of widest lens 120° 123°
Lenses 1) Standard: 50 MP
2) Telephoto: 10 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 50 MP 12 MP
Aperture f/1.8 f/1.8
Focal length 23 mm 26 mm
Sensor Samsung 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 10 MP 8 MP
Aperture f/2.4 f/2.4
Focal length 70 mm 76 mm
Sensor Samsung S5K3K1 Hynix Hi847
Sensor size 1/3.94" (≈ 0.25 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 Sony IMX564 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 72 -
Zoom 126 -
Samples Photo samples of Samsung Galaxy S23 from DxOMark Photo samples of Samsung Galaxy S21 FE 5G from DxOMark

Selfie camera

Megapixels 12 megapixels 32 megapixels
Image resolution 4000 x 3000 6464 x 4864
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU Sony IMX616
Sensor size 1/3.24" (≈ 0.31 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.12 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 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, DP 1.2 -
GPS GPS, GLONASS, Beidou, Galileo, QZSS 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
91.5 dB

Other

Category Flagship Flagship
Announced February 2023 January 2022
Release date February 2023 January 2022
Launch price (MSRP) $799 $790
Successor - Samsung Galaxy S26 Plus (Snapdragon) - Samsung Galaxy S25 FE
SAR (head) 0.96 W/kg 0.95 W/kg
SAR (body) 1.3 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 Not included
Further details
Notes on Galaxy S23:
    - The 128GB version uses slower UFS 3.1 memory, while the 256GB and 512GB 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 S23 is definitely a better buy.

Cast your vote

So, which phone would you choose?
374 (57.1%)
281 (42.9%)
Total votes: 655

User opinions

You can share your opinion or ask a question in the comments below
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Avatar
S21FE user October 13, 2024 at 11:24 AM
S21FE has buletooth ver. use 5.2, not use 5.0 old ver.
+3 Reply
Serhii October 15, 2024 at 06:35 AM
It got Bluetooth 5.0.
+2 Reply
Avatar
Mahes May 22, 2024 at 03:59 PM
S21 FE can record 1080p 120fps video in Pro Video mode. 🥲 Wrong data.
+23 Reply