Side-by-side technical data
Samsung Galaxy Z Fold3 5G vs Samsung Galaxy S21 5G
Comparison between Samsung Galaxy Z Fold3 5G and Samsung Galaxy S21 5G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
The verdict
Your pick: Samsung Galaxy Z Fold3 5G, ahead on Performance & hardware and Connectivity. Unless Design & display decides it for you.
| Category | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Design & display | 7.2 | 8.3 |
| Performance & hardware | 7.1 | 6.5 |
| Camera | 7.1 | 7.2 |
| Connectivity | 7.3 | 6.9 |
| Battery & charging | 6.2 | 6.4 |
Which one is for you?
Samsung Galaxy Z Fold3 5G, if you care about…
- Battery Capacity
- 4,400 mAh
- against 4,000 mAh
- RAM Capacity
- 12 GB
- against 8 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 6E
- against Wi-Fi 802.11a/b/g/n/ac/6
- Bluetooth Version
- Bluetooth 5.2
- against Bluetooth 5.0
Samsung Galaxy S21 5G, if you care about…
- Peak Display Brightness
- 1,300 nits
- against 1,200 nits
- Display Pixel Density
- 421 ppi
- against 374 ppi
- Weight
- 169 g
- against 271 g
- Resistance Features
- IP68
- against IPX8, Stylus Support
Specification comparison
Performance
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 888 | Samsung Exynos 2100 |
| Processor Process Size | 5 nm | 5 nm |
| Graphics GPU | Qualcomm Adreno 660 | Mali-G78 MP14 |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Maximum CPU Clock | 2.84 GHz | 2.91 GHz Best value |
| Maximum Storage Capacity | 512 GB Best value | 256 GB |
| AnTuTu Score | 752,218 | 899,100 |
| CPU Description | Octa-core CPU with 1x 2.84 GHz Cortex-X1, 3x 2.42 GHz Cortex-A78, and 4x 1.80 GHz Cortex-A55. | Octa-core CPU with Cortex-X1, Cortex-A78, and Cortex-A55 cores. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 12 GB Best value | 8 GB |
| RAM Type | — | LPDDR5 |
| AnTuTu version | v9 | v11 |
Design
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Body Colors | Black, Silver, Green | Grey, White, Purple, Pink |
| Body Thickness | 6.4 mm Best value | 7.9 mm |
| Body Width | 128.1 mm | 71.2 mm |
| Body Height | 158.2 mm | 151.7 mm |
| Weight | 271 g | 169 g Best value |
| Usable Surface | 88.8 % Best value | 87.2 % |
| Body Materials | Glass, Plastic, Aluminium Alloy | Glass, Plastic, Aluminium Alloy |
| Resistance Features | IPX8, Stylus Support | IP68 Best value |
| Waterproof Depth | 1.5 m | 1.5 m |
| Foldable | Yes | No |
| Unfolded thickness | 6.4 mm | — |
Battery
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Battery Capacity | 4,400 mAh Best value | 4,000 mAh |
| Battery Type | Li-Polymer | Li-Ion |
| Fast Charge Power | 25 W | 25 W |
| Battery Features | Fast Charging, Wireless Charging, Reverse Wireless Charging | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging |
| Wireless charging power | 11 W | 15 W Best value |
Display
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Display Aspect Ratio | 4:5 | 20:9 |
| Display Technology | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Peak Display Brightness | 1,200 nits | 1,300 nits Best value |
| Display Diagonal | 7.6″ Best value | 6.2″ |
| Display Horizontal Resolution | 1,768 px Best value | 1,080 px |
| Display Vertical Resolution | 2,208 px | 2,400 px Best value |
| Display Pixel Density | 374 ppi | 421 ppi Best value |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Display Features | Foldable Display, HDR10+, Gorilla Glass Victus | Gorilla Glass Victus, HDR10+, Hole-Punch Notch, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless |
| Cover display diagonal | 6.2″ | — |
| Cover display refresh rate | 120 Hz | — |
Sensors
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Hall Sensor, Light Sensor |
Software
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Operating System | Android 11 | Android 11 |
| OS Family | Android | Android |
| OS Version | 11 | 11 |
| OS Update Support | — | 2 years |
| Google Services | — | Yes |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| SIM Configurations | Nano-SIM + eSIM | Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby Best value |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B46, 4G LTE B48, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n28, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n77, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B14, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B30, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B46, 4G LTE B48, 4G LTE B66, 4G LTE B71, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n71, 5G NR n77, 5G NR n78, 5G NR n258, 5G NR n260, 5G NR n261 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE, 5G | GSM, CDMA, HSPA, EVDO, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 6E Best value | Wi-Fi 802.11a/b/g/n/ac/6 |
| Wi-Fi Features | Dual Band, Wi-Fi Direct, Wi-Fi 6E | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.2 Best value | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE |
| Navigation Systems | GPS, GLONASS, Galileo, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | Samsung DeX, UWB, NFC, USB Type-C | Samsung DeX, NFC, FM Radio, USB Charging, USB Mass Storage, USB OTG, USB Host 3.1, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, ANT+ |
| USB Version | USB 3.2 | USB 3.2 |
| SAR American Head | 0.73 W/kg Best value | 0.74 W/kg |
| SAR American Body | 1.22 W/kg | 1.08 W/kg Best value |
| SAR (EU) head | 1.04 W/kg | 0.46 W/kg Best value |
| SAR (EU) body | 1.44 W/kg Best value | 1.51 W/kg |
Audio
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Audio Features | aptX HD, Stereo Speakers | Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, A2DP, LE |
Technical
| Specification | Galaxy Z Fold3 5G | Galaxy S21 5G |
|---|---|---|
| Model numbers | SM-F926B, SM-F926B/DS, SM-F926U, SM-F926U1, SM-F926W, SM-F9260, SM-F926N | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 |
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