Samsung Galaxy J3(2017) vs Galaxy Z Fold7

Specs compared side by side, measured on real phones shared by owners with the Device Info app.

Samsung Galaxy J3(2017)Samsung Galaxy J3(2017)Exynos 7570Change
Samsung Galaxy Z Fold7Samsung Galaxy Z Fold7Snapdragon 8 EliteChange

Key differences

  1. Chipset: the Galaxy J3(2017) uses the Exynos 7570 (14 nm), the Galaxy Z Fold7 the Snapdragon 8 Elite (3 nm TSMC N3E). The Galaxy J3(2017)'s fastest core runs at 1.43 GHz, the Galaxy Z Fold7's at 4.47 GHz.
  2. Screen: 5 inches on the Galaxy J3(2017), 6.5 inches on the Galaxy Z Fold7. Up to 60 Hz on the Galaxy J3(2017), 120 Hz on the Galaxy Z Fold7.
  3. Battery: 2,400 mAh on the Galaxy J3(2017), 4,272 mAh on the Galaxy Z Fold7.
  4. Main camera: 12.9 MP on the Galaxy J3(2017), 12.5 MP on the Galaxy Z Fold7.

Chipset

Chipset
Exynos 7570Snapdragon 8 Elite
Process
14 nm3 nm TSMC N3E
CPU
4× 1.43 GHz Cortex-A532× 4.47 GHz Oryon V2 Phoenix L
6× 3.53 GHz Oryon V2 Phoenix M
Top CPU speed
1.43 GHz4.47 GHz
CPU cores
48
GPU
Mali-T720Adreno 830

Memory

Versions seen
2GB | 16GB12GB | 256GB
12GB | 512GB
RAM type
LPDDR3LPDDR5X
Storage type
—UFS 4.0

Display

Size
5 in6.5 in
Resolution
720 × 12801080 × 2520
Pixel density
295 ppi421 ppi
Refresh rates
60 Hz120 Hzalso 10, 24, 30, 48, 60, 80
HDR
—HDR10, HDR10+, HLG

Battery

Capacity
2,400 mAh4,272 mAh

Cameras

Back camera 1
12.9 MP4144 × 3106 · f/1.9 · 4.3 mm12.5 MP4080 × 3060 · f/1.7 · 6.25 mm
Back camera 2
—12 MP4000 × 3000 · f/2.2 · 2.2 mm
Front camera 1
5 MP2576 × 1932 · f/2.4 · 1.86 mm10 MP3648 × 2736 · f/2.2 · 2.07 mm
Front camera 2
—5.8 MP2784 × 2080 · f/2.2 · 2.07 mm

Megapixels are what Android reports to apps. Many phones combine pixels by default, so the advertised megapixels can be higher.

Connectivity

Wi-Fi
—Wi-Fi 7
6 GHz Wi-Fi
—Yes
Bluetooth LE Audio
—Yes
NFC
NoYes
UWB
NoYes
USB host
YesYes

Software

Android
Android 9Android 17
UI
—One UI 9.0
Released with
Android 7.0Android 16
Widevine DRM
L3L1

Sensors

Sensors
4 sensors56 sensors
Galaxy J3(2017) full specs Galaxy Z Fold7 full specs

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From phones shared with the Device Info app · updated November 2026 Hardware specs only. No personal data. Privacy