Samsung Galaxy A21 vs Galaxy J6

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

Samsung Galaxy A21Samsung Galaxy A21Helio P35Change
Samsung Galaxy J6Samsung Galaxy J6Exynos 7870Change

Key differences

  1. Chipset: the Galaxy A21 uses the Helio P35 (12 nm), the Galaxy J6 the Exynos 7870 (14 nm). The Galaxy A21's fastest core runs at 2.30 GHz, the Galaxy J6's at 1.60 GHz.
  2. Screen: 6.5 inches on the Galaxy A21, 5.6 inches on the Galaxy J6. Both run at up to 60 Hz.
  3. Battery: 3,900 mAh on the Galaxy A21, 3,000 mAh on the Galaxy J6.
  4. Main camera: 16.2 MP on the Galaxy A21, 12.9 MP on the Galaxy J6.

The same on both: Android 10 and Widevine L1.

Chipset

Chipset
Helio P35Exynos 7870
Process
12 nm14 nm
CPU
4× 2.30 GHz Cortex-A53
4× 1.80 GHz Cortex-A538× 1.60 GHz Cortex-A53
Top CPU speed
2.30 GHz1.60 GHz
CPU cores
88
GPU
PowerVR Rogue GE8320Mali-T830

Memory

Versions seen
3GB | 32GB4GB | 64GB
RAM type
LPDDR4XLPDDR3

Display

Size
6.5 in5.6 in
Resolution
720 × 1600720 × 1480
Pixel density
269 ppi294 ppi
Refresh rates
60 Hz60 Hz

Battery

Capacity
3,900 mAh3,000 mAh

Cameras

Back camera
16.2 MP4640 × 3488 · f/1.8 · 4.05 mm12.9 MP4144 × 3106 · f/1.9 · 3.6 mm
Front camera
13.1 MP4208 × 3120 · f/2 · 3.76 mm8.1 MP3280 × 2458 · f/1.9 · 2.53 mm

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

Connectivity

NFC
YesNo
UWB
NoNo
USB host
YesYes

Software

Android
Android 10Android 10
Released with
Android 10Android 8.0
Widevine DRM
L1L1

Sensors

Sensors
26 sensors7 sensors
Galaxy A21 full specs Galaxy J6 full specs

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