Samsung has released an infographic, comparing the Galaxy S7 series to the Galaxy S8 series in terms of specs. Display wise, the Galaxy S7 and Galaxy S7 Edge were launched with a 5.1-inch and 5.5-inch Super AMOLED display respectively, both pushing a Quad HD resolution. On the other hand, the new Galaxy S8 and Galaxy S8 Plus pack a 5.8-inch and 6.2-inch Super AMOLED displays, respectively, and they both come with Quad HD+ resolution. While the Galaxy S7 series came with a screen ratio of 16:9, the Galaxy S8 series have taken things a notch up with a screen ratio of 18.5:9. Another major difference is the SoC which powers the Galaxy S8 series. The two devices are powered by either a Snapdragon 835 processor or a Exynos 8895 chipset (depending on region), both of which are manufactured based on the 10nm process. Meanwhile the predecessors packed either a Snapdragon 820 chipset or an Exynos 8890 processor, and these were produced on the 14nm process.
In terms of battery life, the Galaxy S7 was launched with a 3,000mAh battery while the Galaxy S7 Edge came with a 3,600mAh battery. For comparison, the Galaxy S8 packs a 3,000mAh battery while the Galaxy S8 Plus packs a 3,500mAh battery. All four handsets support fast charging, wired or wireless, and the only difference happens to be the charging port. The Galaxy S7 series charged via a micro USB cable, while the new Galaxy S8 series can be charged via a Type-C USB port. The rear camera on the Galaxy S8 series remains the same as the one found on the Galaxy S7 and Galaxy S7 Edge. However, the front camera on the Galaxy S8 series have gotten a bump up to 8-megapixels, compared to the 5-megapixel shooter found on the Galaxy S7 series.
For biometrics authentication, the Galaxy S7 series came only with a fingerprint scanner, while the Galaxy S8 series comes with a number of new security features, including iris scanning and face detection. The Galaxy S7 lineup came with Android 6.0 Marshmallow out of the box, while the Galaxy S8 series will be shipping to customers with Android 7.0 Nougat out of the box. On top of that, the Galaxy S8 series features the new Bixby smart assistant. If you would like the full specs comparison, you may view the infographic below.