- Larger Super AMOLED Display:
For 44mm size models:
Watch6: 1.5 inches, 480 x 480 pixels - Watch5: 1.4 inches, 450 x 450 pixels.
For 40mm size models:
Watch6: 1.3 inches, 432 x 432 pixels - Watch5: 1.2 inches, 396 x 396 pixels.
- Faster processor and memory:
The Galaxy Watch6 is equipped with the Exynos W930 at 1.4GHz and 2GB RAM, offering higher performance than the Galaxy Watch5, which also features the notable Exynos W920 at 1.18GHz and 1.5GB RAM.
- Improved sleep tracking:
Both watches provide sleep tracking features, but the Galaxy Watch 6 enhances it with a new sleep score analysis system that offers more detailed information on physical and mental recovery, sleep cycles, and even personalized sleep guidance.
See here the comparison of the features of the 2 models.