Samsung Galaxy Z Fold7 vs Samsung Galaxy M21: Price, Specs & Features Comparison
Launch Date
July 25, 2025 (Official)
March 18, 2020 (Official)
Custom UI
Samsung One UI
Samsung One UI
Operating System(OS)
Android v16
Android v10 (Q)
Security Updates
7 Year
4 Year
Near Field Communication
-
No
Resolution
1968x2184 px
-
Autofocus
Yes, Dual Pixel Autofocus
Yes, Phase Detection Autofocus
Flash
Yes, LED Flash
Yes, LED Flash
Shooting Modes
No
Continuous Shooting
High Dynamic Range mode (HDR)
Camera Features
No
4 x Digital Zoom
Auto Flash
Face detection
Touch to focus
Video Recording Features
No
4k @30 fps
Full HD @30 fps
Image Resolution
-
8000 x 6000 Pixels
Settings
-
Exposure compensation, ISO control
Camera
-
48 MP + 8 MP + 5 MP
Resolution
1968x2184 px
-
Display Type
Dynamic AMOLED 2x
Super AMOLED
Screen Size
8.0 inches (20.32 cm)
6.4 inches (16.26 cm)
Resolution
1968x2184 px
1080x2340 px (FHD+)
Peak Brightness
2600 nits
-
Refresh Rate
120 Hz
60 Hz
Pixel Density
367 ppi
403 ppi
Screen to Body Ratio (calculated)
178.04 %
84.02 %
Screen Protection
Corning Gorilla Glass, Glass Ceramic
Corning Gorilla
Bezel-less Display
Yes with punch-hole display
Yes with waterdrop notch
Screen to Body Ratio (claimed by the brand)
90 %
91 %
Weight
215 grams
188 grams
Build Material
Back: Gorilla Glass Victus 2
Back: Plastic
SIM Slot(s)
Dual SIM
Dual SIM
SIM Type
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Network Support
5G, 4G
5G Not Supported, 4G
SIM 1
Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz, MIMO
4G bands Expand
SIM 2
Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz, MIMO
4G bands Expand
Wi-Fi
Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz, MIMO
-
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
GPS
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
Capacity
4400 mAh
6000 mAh
Quick Charging
Yes, 25W Fast Charging, 50% in 30 minutes
Yes, 15W Fast Charging
Battery Life (PC Mark)
-
10h 20m
Charging Time (20% to 100%)
-
2h 9m 47s
Internal Storage
256 GB / 512 GB / 1 TB
64 GB / 128 GB
Storage Type
UFS 4.0
UFS 2.1
Expandable Storage
No
Yes, Up to 512 GB
Fingerprint Sensor
Yes
Yes
Fingerprint Sensor Position
Side
Rear
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Barometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Processor
-
Samsung Exynos 9 Octa 9611
RAM & Storage
-
4 GB RAM + 64 GB
6 GB RAM + 128 GB
Display
-
6.4", 1080 x 2340 Resolution
