Samsung Galaxy Z Flip 3 5G vs S20 FE 5G

Here we compared two flagship smartphones: the 6.7-inch Samsung Galaxy Z Flip 3 5G (with Qualcomm Snapdragon 888 5G) that was released on August 11, 2021, against the Samsung Galaxy S20 FE 5G, which is powered by Qualcomm Snapdragon 865 5G and came out 10 months before. 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 Z Flip 3 5G
  • Newer Bluetooth version (v5.1)
  • More recent OS version: Android 15 versus 13
  • 12% better performance in AnTuTu Benchmark (1102K versus 982K)
  • Delivers 14% higher peak brightness (929 against 818 nits)
  • Has 33% more RAM: 8GB versus 6GB
  • More energy-efficient CPU – Snapdragon 888 5G
  • 25% faster in single-core GeekBench 6 test: 1473 and 1180 points
  • The phone is 10 months newer
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy S20 FE 5G
  • The rear camera has a 3x optical zoom
  • Shows 57% longer battery life (22:18 vs 14:13 hours)
  • Waterproof body (IP68 classification)
  • Comes with 1200 mAh larger battery capacity: 4500 vs 3300 mAh
  • Expandable storage via MicroSD card up to 1024GB
  • Has 2 SIM card slots

Review

Evaluation of Samsung Galaxy Z Flip 3 5G and S20 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
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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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
95.9
(Very good)
Value Index
188.3
(Excellent)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Super AMOLED
Size 6.7 inches 6.5 inches
Resolution 1080 x 2640 pixels 1080 x 2400 pixels
Aspect ratio 21.9:9 20:9
PPI 426 ppi 407 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes No
Max rated brightness 850 nits 400 nits
Max rated brightness in HDR 1200 nits 1200 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Corning Gorilla Glass 3
Screen-to-body ratio 85% 85.8%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space 95.3% 95.7%
PWM 242 Hz 227 Hz
Response time 6.5 ms 2.8 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
929 nits
818 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 166 mm (6.54 inches) 159.8 mm (6.29 inches)
Width 72.2 mm (2.84 inches) 74.5 mm (2.93 inches)
Thickness 6.9 mm (0.27 inches) 8.4 mm (0.33 inches)
Weight 183 g (6.46 oz) 190 g (6.7 oz)
Waterproof IPX8 IP68
Rear material Glass Plastic
Frame material Metal Metal
Colors White, Black, Gray, Green, Pink White, Blue, Green, Red, Orange, Purple
Fingerprint scanner Yes, in-button Yes, in-display
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy Z Flip 3 5G and Samsung Galaxy S20 FE 5G
SoC
Chipset Qualcomm Snapdragon 888 5G Qualcomm Snapdragon 865 5G
Max clock 2840 MHz 2840 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 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: Kryo 585 Silver (Cortex-A55)
- 3 cores at 2.42 GHz: Kryo 585 Gold (Cortex-A77)
- 1 core at 2.84 GHz: Kryo 585 Prime (Cortex-A77)
L3 cache 4 MB 4 MB
Manufacturing Samsung TSMC
Lithography process 5 nanometers 7 nanometers
Neural processor (NPU) Hexagon 780 Hexagon 698
GPU
Graphics Adreno 660 Adreno 650
GPU shading units 768 768
GPU clock 840 MHz 587 MHz
FLOPS ~1290.2 GFLOPS ~901.6 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy Z Flip 3 5G and Samsung Galaxy S20 FE 5G
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) - 2923
Single-core score 1473 1180
Multi-core score 3767 3300
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
1102342
CPU 387259 391258
GPU 163836 171698
Memory 208561 167605
UX 342686 251913
Total score 1102342 982474
Samples [7 tests] [27 tests]
3DMark Steel Nomad Light
Stability 72% -
Graphics test 3 FPS -
Graphics score 435 -
3DMark Wild Life Extreme
Stability 73% 90%
Graphics test 7 FPS 6 FPS
Graphics score 1224 1114
Sources: 3DMark [5], [6]
PCMark 3.0
Web score 13317 10914
Video editing 7710 7129
Photo editing 29882 31102
Data manipulation 10323 9568
Writing score 15410 12727

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy Z Flip 3 5G
DateBenchmarkResult
📘 2026-09-12 (Zha)AnTuTu 12976692
📘 2026-03-14 (Mitu)AnTuTu 111102342
📘 2026-02-21 -> nanamondAnTuTu 111205113
📘 2026-02-01 (nanamond)AnTuTu 111128111
📘 2025-12-08 (Carlos Domino)AnTuTu 11987766
Samsung Galaxy S20 FE 5G
DateBenchmarkResult
📘 2026-08-31 (GameFabuloso16)AnTuTu 111010010
📘 2026-08-09 (May)AnTuTu 11745543
📘 2026-07-13 (pooh)AnTuTu 111010016
📘 2026-07-12 (Jao)AnTuTu 111010390
📘 2026-07-10 (pooh)AnTuTu 11903117

Memory

RAM
RAM size 8 GB 6 GB
Memory type LPDDR5 LPDDR5
Memory clock 2750 MHz 2750 MHz
Channels 2 2
Storage
Storage size 128 GB 128 GB
Storage type UFS 3.1 UFS 3.1
Memory card No MicroSD
Memory card max size - Up to 1024 GB

Software

Operating system Android 11 (Can be upgraded to Android 15) Android 10 (Can be upgraded to Android 13)
ROM One UI 7.0 One UI 5.0
OS size 29 GB 25.6 GB
OS updates 2 years 2 years
Security updates 4 years 4 years

Battery

Capacity 3300 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)
Fast charging Yes (40% in 30 min) Yes (37% in 30 min)
Full charging time 1:30 hr 1:35 hr
Battery life tests
Web browsing 05:34 hr 08:09 hr
Watching video 09:17 hr 13:42 hr
Gaming 03:55 hr 05:01 hr
Standby 65 hr 114 hr
General battery life
22:18 hr

Main camera

Matrix 12 megapixels 12 megapixels
Image resolution 4000 x 3000 4032 x 3024
Zoom Digital Optical, 3x
Flash LED Dual LED
Stabilization Optical Optical
8K video recording No No
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 123° 123°
Lenses 1) Standard: 12 MP
2) 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
- RAW support
Standard lens
Image resolution 12 MP 12 MP
Aperture f/1.8 f/1.8
Focal length 27 mm 26 mm
Sensor Sony IMX563 Sony IMX555
Sensor size 1/2.55" (≈ 0.39 inch) 1/1.76" (≈ 0.57 inch)
Pixel size 1.4 micron 1.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution - 8 MP
Aperture - f/2.4
Focal length - 76 mm
Sensor - Hynix HI-847
Sensor size - 1/4.5" (≈ 0.22 inch)
Pixel size - 1 micron
Stabilization - Optical
Ultra-wide lens
Image resolution 12 MP 12 MP
Aperture f/2.2 f/2.2
Focal length 22 mm 13 mm
Sensor Sony IMX258 -
Sensor size 1/3.06" (≈ 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 55 -
Preview 69 -
Zoom 72 -
Samples Photo samples of Samsung Galaxy Z Flip 3 5G from DxOMark -

Selfie camera

Megapixels 10 megapixels 32 megapixels
Image resolution 3648 x 2736 6528 x 4896
Aperture f/2.4 f/2.0
Focal length 26 mm 26 mm
Sensor Sony IMX374 CMOS
Sensor size 1/3.2" (≈ 0.31 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.22 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
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 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 5.1 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo 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
eSIM support* Yes No
Hybrid slot No Yes
LTE Cat* 20 20
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
90.1 dB

Other

Category Flagship Flagship
Announced August 2021 September 2020
Release date August 2021 October 2020
Launch price (MSRP) $1000 $700
Successor - Samsung Galaxy Z Flip 7 - Samsung Galaxy S25 FE
SAR (head) 0.86 W/kg 0.5 W/kg
SAR (body) 1.58 W/kg 1.35 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Yes, 15 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera, battery life, connectivity, and design are more important to you, then choose the Samsung Galaxy S20 FE 5G. But if the performance and software are more of a priority – go for the Samsung Galaxy Z Flip 3 5G.

Cast your vote

So, which phone would you choose?
8 (32%)
17 (68%)
Total votes: 25

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