Samsung Galaxy Z Flip vs S21 FE 5G

59 out of 100

71 out of 100

Here we compared two flagship smartphones: the 6.7-inch Samsung Galaxy Z Flip (with Qualcomm Snapdragon 855 Plus) that was released on February 11, 2020, against the Samsung Galaxy S21 FE 5G, which is powered by Qualcomm Snapdragon 888 and came out 23 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Differences
Review
Specs
Benchmarks
Battery life
Camera
Comments

Key differences

An overview of the main advantages of each smartphone

Reasons to consider the Samsung Galaxy Z Flip

Has a 0.3 inch larger screen size
Ready for eSIM technology

Reasons to consider the Samsung Galaxy S21 FE 5G

Waterproof body (IP68 classification)
The rear camera has a 3x optical zoom
Higher display refresh rate – 120 Hz
Comes with 1200 mAh larger battery capacity: 4500 vs 3300 mAh
Better camera quality (According to DxOMark rating)
Delivers 33% higher peak brightness (797 against 600 nits)
Compatible with Wi-Fi 6 wireless networks
More recent OS version: Android 13 versus 12
Thinner bezels – 7.1% more screen real estate
The phone is 1-year and 11-months newer
Supports higher wattage charging (25W versus 15W)

Review

Evaluation of Samsung Galaxy Z Flip and S21 FE 5G crucial features

Display

Screen quality, color accuracy, brightness

Type	Dynamic AMOLED	Dynamic AMOLED
Size	6.7 inches	6.4 inches
Resolution	1080 x 2636 pixels	1080 x 2340 pixels
Aspect ratio	21.9:9	20:9
PPI	425 ppi	401 ppi
Refresh rate	60 Hz	120 Hz
Adaptive refresh rate	No	No
Max rated brightness	700 nits	420 nits
Max rated brightness in HDR	-	1200 nits
HDR support	Yes, HDR10+	Yes, HDR10+
Screen protection	Corning Gorilla Glass 6	Gorilla Glass Victus
Screen-to-body ratio	82.5%	89.6%
Display features	- DCI-P3 - Always-On Display	- DCI-P3 - Always-On Display

RGB color space	98.8%	97%
PWM	145 Hz	247 Hz
Response time	4.2 ms	6 ms
Contrast	∞ Infinity	∞ Infinity

Height	167.3 mm (6.59 inches)	155.7 mm (6.13 inches)
Width	73.6 mm (2.9 inches)	74.5 mm (2.93 inches)
Thickness	7.2 mm (0.28 inches)	7.9 mm (0.31 inches)
Weight	183 g (6.46 oz)	177 g (6.24 oz)
Waterproof	No	IP68
Rear material	Glass	Plastic
Frame material	Metal	Metal
Colors	Black, Gold, Blue	White, Gray, Green, Purple
Fingerprint scanner	Yes, in-button	Yes, in-display

Chipset	Qualcomm Snapdragon 855 Plus	Qualcomm Snapdragon 888
Max clock	2840 MHz	2840 MHz
CPU cores	8 (1 + 3 + 4)	8 (1 + 3 + 4)
Architecture	- 4 cores at 1.8 GHz: Cortex-A55 (Kryo 485 Silver) - 3 cores at 2.42 GHz: Cortex-A76 (Kryo 485 Gold) - 1 core at 2.96 GHz: Cortex-A76 (Kryo 485 Gold)	- 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	2 MB	4 MB
Lithography process	7 nanometers	5 nanometers
Graphics	Adreno 640	Adreno 660
GPU shading units	768	1024
GPU clock	687 MHz	792 MHz
FLOPS	~1036.8 GFLOPS	~1622 GFLOPS

CPU	175719	140597
GPU	165438	209723
Memory	115273	134992
UX	139253	139479
Total score	600836	625671

Max surface temperature	41.3 °C	39.1 °C
Stability	73%	69%
Graphics test	12 FPS	34 FPS
Graphics score	2121	5703

Web score	-	10889
Video editing	-	7079
Photo editing	-	28541
Data manipulation	-	10075
Writing score	-	14461

RAM size	8 GB	6, 8 GB
Memory type	LPDDR5	LPDDR5
Memory clock	3200 MHz	2750 MHz
Channels	2	2

Storage size	256 GB	128, 256 GB
Storage type	UFS 3.0	UFS 3.1
Memory card	No	No

Operating system	Android 10.0 (Can be upgraded to Android 12)	Android 12 (Can be upgraded to Android 13)
ROM	One UI 4.1.1	One UI 5.0
OS size	32.9 GB	17.5 GB

Capacity	3300 mAh	4500 mAh
Max charge power	15 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)
Fast charging	Yes (60% in 30 min)	Yes (51% in 30 min)
Full charging time	1:25 hr	1:15 hr

Battery life tests
Web browsing	09:27 hr	07:42 hr
Watching video	10:08 hr	13:05 hr
Gaming	03:14 hr	05:29 hr
Standby	93 hr	91 hr

Main camera
Matrix	12 megapixels	12 megapixels
Image resolution	4000 x 3000	4032 x 3024
Zoom	Digital	Optical, 3x
Flash	LED	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	2 (12 MP + 12 MP)	3 (12 MP + 8 MP + 12 MP)
Wide (main) lens	- 12 MP - Aperture: f/1.8 - Focal length: 27 mm - Pixel size: 1.4 micron - Sensor: 1/2.55" (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	-	- 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: 22 mm - Pixel size: 1.12 micron	- 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 Z Flip from DxOMark	Photo samples of Samsung Galaxy S21 FE 5G from DxOMark

Selfie camera
Megapixels	10 megapixels	32 megapixels
Image resolution	2592 x 3872	6464 x 4864
Aperture	f/2.4	f/2.2
Focal length	26 mm	26 mm
Pixel size	1.22 microns	0.8 microns
Sensor type	CMOS	Exmor-RS CMOS
Sensor size	-	1/2.74"
Video resolution	2160p (4K) at 30 FPS	2160p (4K) at 60 FPS

Wi-Fi standard	Wi-Fi 5 (802.11 b/g/n/ac)	Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features	- 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	5
Bluetooth features	LE, A2DP	LE
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

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 *	16	19
5G support	Yes	Yes

Speakers	Stereo	Stereo
Headphone audio jack	No	No
FM radio	No	No
Dolby Atmos	Yes	Yes

Category	Flagship	Flagship
Announced	February 2020	January 2022
Release date	May 2020	January 2022
SAR (head)	0.37 W/kg	0.95 W/kg
SAR (body)	1.55 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

Samsung Galaxy Z Flip vs S21 FE 5G

Samsung Galaxy Z Flip vs S21 FE 5G

Key differences

Review

Value for money

Tests and specifications

Display

Design and build

Performance

Benchmarks

Memory

Software

Battery

Camera

DxOMark camera tests

Connectivity

Sound

Other

Conclusion