Samsung
Side-by-side technical data
Samsung Galaxy J7 Duo vs Samsung Galaxy Z Fold8
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Samsung Galaxy J7 Duo, if you care about…
- Weight
- 174 g
- against 201 g
- Body Thickness
- 8.2 mm
- against 9.7 mm
- Expandable Storage
- Yes
- against No
Samsung Galaxy Z Fold8, if you care about…
- Battery Capacity
- 4,800 mAh
- against 3,000 mAh
- RAM Capacity
- 16 GB
- against 4 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac/6/7, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be)
- against Wi-Fi 802.11a/b/g/n/ac
- Storage Type
- UFS 4.1
- against eMMC 5.1
Specification comparison
Performance
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Processor Model | Samsung Exynos 7885 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Processor Process Size | 14 nm | 3 nm Best value |
| Graphics GPU | Mali-G71 | Qualcomm Adreno 840 |
| Storage Type | eMMC 5.1 | UFS 4.1 Best value |
| Maximum CPU Clock | 2.2 GHz | 4.74 GHz Best value |
| Maximum Storage Capacity | 32 GB | 1 TB Best value |
| AnTuTu Score | — | 2,947,517 |
| Geekbench 6 Single-Core | — | 3,234 |
| Geekbench 6 Multi-Core | — | 10,059 |
| CPU Description | Octa-core (2x2.2 GHz Cortex-A73 and 6x1.6 GHz Cortex-A53) | Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | — | Yes |
| RAM Capacity | 4 GB | 16 GB Best value |
| RAM Type | — | LPDDR5X |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | — | v11 |
| 3DMark Wild Life Extreme | — | 6,459 |
| Maximum memory card | — | — |
Design
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Body Colors | Black, Gold, Rose Gold, White, Blue | Black, Cream, Lavender, Green, White, Purple |
| Body Thickness | 8.2 mm Best value | 9.7 mm |
| Body Width | 77.2 mm | 123.9 mm |
| Body Height | 153.5 mm | 161.4 mm |
| Weight | 174 g Best value | 201 g |
| Usable Surface | 70.4 % | 89.6 % Best value |
| Body Materials | — | Glass, Plastic, Aluminium Alloy |
| Resistance Features | — | IP48 |
| Waterproof Depth | — | 1.5 m |
| Drop Resistance Class | — | A |
| Repairability Class | — | C |
| Foldable | No | Yes |
| Rugged Build | No | No |
| Drop Test Count | — | 210 |
| Unfolded thickness | — | 4.5 mm |
| QWERTY keyboard | — | — |
Battery
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Battery Efficiency Rating | — | A |
| Battery Capacity | 3,000 mAh | 4,800 mAh Best value |
| Battery Type | Li-Ion | Si-Carbon Li-Ion Best value |
| Fast Charge Power | — | 45 W |
| Battery Features | — | Non-Removable, Fast Charging, Wireless Charging, Reverse Wireless Charging, Reverse Charging, Bypass Charging, Rechargeable, Battery Level Indicator |
| Battery Endurance | — | 49.1667 h |
| Wireless charging power | — | 20 W |
| Charge cycles | — | 1,200 |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | 4.5 W |
Display
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Display Aspect Ratio | 16:9 | 4:3 |
| Display Technology | Super AMOLED | Dynamic AMOLED 2X |
| Peak Display Brightness | — | 3,000 nits |
| Display Diagonal | 5.5″ | 7.6″ Best value |
| Display Horizontal Resolution | 720 px | 1,848 px Best value |
| Display Vertical Resolution | 1,280 px | 2,448 px Best value |
| Display Pixel Density | 267 ppi | 404 ppi Best value |
| Display Refresh Rate | — | 120 Hz |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | Hole-Punch Notch, Dynamic AMOLED 2X, LTPO, 120Hz, HDR10+, HDR10, Always-On Display, Scratch Resistant, Mohs Level 1, Anti-reflective coating, Capacitive Touch, Multi-Touch, Frameless, Foldable Display, Touchscreen, Secondary Display |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | 5.5″ |
| Cover display refresh rate | — | 120 Hz |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensors
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Fingerprint Sensor Placement | Front | Side |
Sensor
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Gyroscope, Barometer, Cooling System, Hall Sensor, Light Sensor |
Software
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Operating System | Android 8 | — |
| OS Family | Android | Android |
| OS Version | 8 | 16 Best value |
| OS Update Support | — | 7 years |
| Direct OS Updates | — | Yes |
| Google Services | — | Yes |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| SIM Configurations | Single Micro-SIM, Dual Micro-SIM, Dual SIM Dual Standby | 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 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B5, 3G UMTS B8, 3G UMTS 1700 AWS, 3G UMTS B2, 3G UMTS B1, 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 B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac | Wi-Fi 802.11a/b/g/n/ac/6/7, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Tri-Band, Dual Band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display, MIMO Best value |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 6.0 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, aptX HD, AVRCP, DIP, HFP, HID, HSP, MAP, PAN, OPP, PBAP/PAB, aptX |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS Best value |
| Connectivity Features | 3.5 mm Audio Jack, ANT+, FM Radio, microUSB | Samsung DeX, UWB, NFC, USB Type-C, USB 3.2, USB OTG, Computer Sync, eSIM, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB Host 3.2, ANT+ |
| USB Version | microUSB | USB 3.2 |
| SAR American Head | — | 1.23 W/kg |
| SAR American Body | — | 1.17 W/kg |
| SAR (EU) head | 0.54 W/kg Best value | 0.82 W/kg |
| SAR (EU) body | 1.4 W/kg | 1.21 W/kg Best value |
| Messaging | — | — |
| Max. download speed | — | 12,500 Mbps |
| Max. upload speed | — | 3,500 Mbps |
Audio
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Microphone Count | — | — |
| Audio Features | A2DP, LE, Loudspeaker | Stereo Speakers, Dolby Atmos, Bluetooth, A2DP, LE, aptX HD, High-Bitrate Audio Support Best value |
| Alert types | — | — |
Technical
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Galaxy J7 Duo | Galaxy Z Fold8 |
|---|---|---|
| Built-in functions | — | — |
