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 13 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S23
  • 68% better performance in AnTuTu Benchmark (1364K versus 813K)
  • Shows 30% longer battery life (34:29 vs 26:34 hours)
  • Better camera quality (According to DxOMark rating)
  • Delivers 52% higher peak brightness (1207 against 793 nits)
  • Newer Bluetooth version (v5.3)
  • The phone is 1-year and 1-month newer
  • Faster storage type - UFS 4.0 versus UFS 3.1
  • 56% faster in single-core GeekBench 6 test: 1828 and 1172 points
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy S21 FE 5G
  • Has a 0.3 inch larger screen size
  • Comes with 600 mAh larger battery capacity: 4500 vs 3900 mAh

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
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.
Adjust priorities
Feature
Priority (Weight)
Display:
Camera:
Performance:
Gaming:
Battery Life:
The higher the priority, the more it will affect the final NanoReview score.

Value for money

You can enter your local prices of these phones (in USD or other currency) and click on the "Calculate" button to see which one has a better value for money.
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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 20:9
PPI 425 ppi 401 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes No
Max rated brightness 800 nits 420 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 88.1% 89.6%
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
Peak brightness test (auto)
Galaxy S23 +52%
1207 nits
793 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
88.1%
89.6%

Performance

Tests of Samsung Galaxy S23 and Samsung Galaxy S21 FE 5G in the benchmarks
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
Lithography process 4 nanometers 5 nanometers
Graphics Adreno 740 Adreno 660
GPU shading units 2560 1024
GPU clock 719 MHz 792 MHz
FLOPS ~3481.6 GFLOPS ~1622 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Galaxy S23 +56%
1828
Geekbench 6 (Multi-Core)
Galaxy S23 +40%
4728
AnTuTu Benchmark 10
Galaxy S23 +68%
1364479
CPU 366724 247479
GPU 551228 279733
Memory 192220 144313
UX 247673 134400
Total score 1364479 813058
3DMark Wild Life Performance
Galaxy S23 +111%
12033
Max surface temperature 34.3 °C 39.1 °C
Stability 60% 69%
Graphics test 72 FPS 34 FPS
Graphics score 12033 5703
PCMark 3.0
Galaxy S23 +27%
15508
Web score 13647 10889
Video editing 7797 7079
Photo editing 34238 28541
Data manipulation 12529 10075
Writing score 19579 14461
AnTuTu Android Rating (31st and 174th place)
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 8 GB 6, 8 GB
Memory type LPDDR5X LPDDR5
Memory clock - 2750 MHz
Channels 4 2
Storage
Storage size 128, 256, 512 GB 128, 256 GB
Storage type UFS 4.0 UFS 3.1
Memory card No No

Software

Operating system Android 13 Android 12 (Can be upgraded to Android 13)
ROM One UI 5.1 One UI 5.0
OS size 29.7 GB 17.5 GB

Battery

Capacity 3900 mAh 4500 mAh
Max charge power 25 W 25 W
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging Yes (10 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
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 12:15 hr 07:42 hr
Watching video 15:00 hr 13:05 hr
Gaming 05:56 hr 05:29 hr
Standby 111 hr 91 hr
General battery life
Galaxy S23 +30%
34:29 hr
26:34 hr

Camera

Specs and camera test of smartphones
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 60FPS Up to 60FPS
Slow motion 960 FPS (1080p) 960 FPS (720p)
Angle of widest lens 120° 123°
Lenses 3 (50 MP + 10 MP + 12 MP) 3 (12 MP + 8 MP + 12 MP)
Wide (main) lens - 50 MP
- Aperture: f/1.8
- Focal length: 23 mm
- Pixel size: 1 micron
- Sensor: 1/1.57", Samsung S5KGN3 (ISOCELL Plus CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 12 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 1.8 micron
- Sensor: 1/1.76", Sony IMX555 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Telephoto lens - 10 MP
- Aperture: f/2.4
- Focal length: 70 mm
- Pixel size: 1 micron
- Sensor: 1/3.94", Samsung S5K3K1 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 8 MP
- Aperture: f/2.4
- Focal length: 76 mm
- Pixel size: 1 micron
- Sensor: 1/4.5", Hynix Hi847 (CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX564 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.0", Sony IMX258 (Exmor-RS CMOS)
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
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
Pixel size 1.12 microns 0.8 microns
Sensor type ISOCELL CMOS Exmor-RS CMOS
Sensor size 1/3.24" 1/2.74"
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

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
GPS GPS, GLONASS, Beidou, Galileo, QZSS 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* 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
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?
114 (48.1%)
123 (51.9%)
Total votes: 237

User opinions

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