Side-by-side technical data
Samsung Galaxy S21 5G vs Samsung Galaxy Z Fold2 5G
Comparison between Samsung Galaxy S21 5G and Samsung Galaxy Z Fold2 5G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
The verdict
Your pick: Samsung Galaxy Z Fold2 5G, ahead on Performance & hardware and Battery & charging. Unless Design & display decides it for you.
| Category | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Design & display | 8.3 | 7.3 |
| Performance & hardware | 6.5 | 6.9 |
| Camera | 7.2 | 7.4 |
| Connectivity | 6.9 | 6.9 |
| Battery & charging | 6.4 | 7.0 |
Which one is for you?
Samsung Galaxy S21 5G, if you care about…
- Display Pixel Density
- 421 ppi
- against 373 ppi
- Weight
- 169 g
- against 282 g
- Wireless charging power
- 15 W
- against 11 W
- SIM Configurations
- Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby
- against Nano-SIM + eSIM, Single Nano-SIM, eSIM
Samsung Galaxy Z Fold2 5G, if you care about…
- Battery Capacity
- 4,500 mAh
- against 4,000 mAh
- RAM Capacity
- 12 GB
- against 8 GB
- Maximum Storage Capacity
- 512 GB
- against 256 GB
- Body Thickness
- 6.9 mm
- against 7.9 mm
Specification comparison
Performance
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Processor Model | Samsung Exynos 2100 | Qualcomm Snapdragon 8+ Gen 1 |
| Processor Process Size | 5 nm Best value | 7 nm |
| Graphics GPU | Mali-G78 MP14 | Qualcomm Adreno 650 |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Maximum CPU Clock | 2.91 GHz | 3.09 GHz Best value |
| Maximum Storage Capacity | 256 GB | 512 GB Best value |
| AnTuTu Score | 899,100 | 564,907 |
| Geekbench 6 Single-Core | — | 1,135 |
| Geekbench 6 Multi-Core | — | 3,097 |
| CPU Description | Octa-core CPU with Cortex-X1, Cortex-A78, and Cortex-A55 cores. | Octa-core processor with 1x Cortex-A77 at 3.09 GHz, 3x Cortex-A77 at 2.42 GHz, and 4x Cortex-A55 at 1.80 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 12 GB Best value |
| RAM Type | LPDDR5 | LPDDR5 |
| AnTuTu version | v11 | v8 |
Design
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Body Colors | Grey, White, Purple, Pink | Bronze, Black |
| Body Thickness | 7.9 mm | 6.9 mm Best value |
| Body Width | 71.2 mm | 128.2 mm |
| Body Height | 151.7 mm | 159.2 mm |
| Weight | 169 g Best value | 282 g |
| Usable Surface | 87.2 % | 88.6 % Best value |
| Body Materials | Glass, Plastic, Aluminium Alloy | Glass, Plastic, Aluminium Alloy |
| Resistance Features | IP68 | — |
| Waterproof Depth | 1.5 m | — |
| Foldable | No | Yes |
| Unfolded thickness | — | 6.9 mm |
Battery
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,500 mAh Best value |
| Battery Type | Li-Ion | Li-Polymer |
| Fast Charge Power | 25 W | 25 W |
| Battery Features | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging | Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Bypass Charging, Rechargeable, Battery Level Indicator, Non-Removable |
| Wireless charging power | 15 W Best value | 11 W |
Display
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Display Aspect Ratio | 20:9 | 21:9 |
| Display Technology | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Peak Display Brightness | 1,300 nits | — |
| Display Diagonal | 6.2″ | 7.6″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,768 px Best value |
| Display Vertical Resolution | 2,400 px Best value | 2,208 px |
| Display Pixel Density | 421 ppi Best value | 373 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Display Features | Gorilla Glass Victus, HDR10+, Hole-Punch Notch, Always-On Display, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless | Foldable Display, HDR10+, Hole-Punch Notch, Always-On Display, Capacitive Touch, Multi-Touch, Frameless, Scratch Resistant, Gorilla Glass Victus, Dynamic AMOLED 2X, 120Hz, Secondary Display |
| Cover display diagonal | — | 6.23″ |
Sensors
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Side |
Sensor
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Hall Sensor, Light Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Gravity Sensor, Light Sensor, Hall Sensor |
Software
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Operating System | Android 11 | — |
| OS Family | Android | — |
| OS Version | 11 | — |
| OS Update Support | 2 years | 2 years |
| Google Services | Yes | Yes |
| Widevine L1 | Yes | — |
Connectivity
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| SIM Configurations | Nano-SIM + eSIM, Dual Nano-SIM + eSIM, Dual SIM Dual Standby Best value | Nano-SIM + eSIM, Single Nano-SIM, eSIM |
| Cellular Bands | 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 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 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 B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n28a, 5G NR n28b, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 |
| 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/6 | Wi-Fi 802.11a/b/g/n/ac/6, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, aptX HD, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 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+ | Samsung DeX, UWB, NFC, USB Type-C, USB 3.2, USB Host 3.1, USB OTG, USB Mass Storage, Computer Sync, OTA Sync, Tethering, USB Charging, FM Radio, ANT+ |
| USB Version | USB 3.2 | USB 3.2 |
| SAR American Head | 0.74 W/kg | — |
| SAR American Body | 1.08 W/kg | — |
| SAR (EU) head | 0.46 W/kg Best value | 0.86 W/kg |
| SAR (EU) body | 1.51 W/kg | 1.45 W/kg Best value |
| Max. download speed | — | 7,500 Mbps |
| Max. upload speed | — | 3,000 Mbps |
Audio
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | Stereo Speakers, Dolby Atmos, Noise-Cancellation Microphone, A2DP, LE | Stereo Speakers, aptX HD, A2DP, LE, Hi-Res Audio, Dolby Atmos |
Technical
| Specification | Galaxy S21 5G | Galaxy Z Fold2 5G |
|---|---|---|
| Model numbers | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 | SM-F916B, SM-F916U, SM-F916U1, SM-F916N, SM-F9160, SM-F916W, SCG05 |
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