Unlike 2017's Galaxy S8 and S8+, there's a bit more differentiation between the Galaxy S9 and S9+. You'll see a secondary camera on the back, plus more RAM, and of course that larger screen and battery. That gives the Galaxy S9+ a bit better value proposition at its higher price, but may leave some who want the more compact Galaxy S9 feeling hard done.
Here are the complete spec sheets for the two phones.
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| Category | Samsung Galaxy S9 | Samsung Galaxy S9+ |
|---|---|---|
| Operating system | Android 8.0 Oreo Samsung Experience 9.0 | Android 8.0 Oreo Samsung Experience 9.0 |
| Display | 5.8-inch AMOLED, 2960x1440 (18.5:9) | 6.2-inch AMOLED, 2960x1440 (18.5:9) |
| Processor | Snapdragon 845 or 10nm 64-bit Samsung Exynos | Snapdragon 845 or 10nm 64-bit Samsung Exynos |
| Storage | 64GB | 64GB |
| Expandable | microSD | microSD |
| RAM | 4GB | 6GB |
| Primary rear camera | 12MP Super Speed Dual Pixel, OIS, f/1.5 or f/2.4 | 12MP Super Speed Dual Pixel, OIS, f/1.5 or f/2.4 |
| Secondary rear camera | n/a | 12MP, OIS, f/2.4 |
| Front camera | 8MP, f/1.7, auto focus | 8MP, f/1.7, auto focus |
| Connectivity | Wi-Fi 802.11ac MIMO, 1.2Gbps (Cat-18) LTE, Bluetooth 5.0 LE ANT+, NFC, GPS, Glonass | Wi-Fi 802.11ac MIMO, 1.2 Gbps (Cat-18) LTE, Bluetooth 5.0 LE ANT+, NFC, GPS, Glonass |
| Audio | Stereo speakers Dolby Atmos 3.5mm headphone | Stereo speakers Dolby Atmos 3.5mm headphone |
| Battery | 3000mAh | 3500mAh |
| Charging | Quick Charge 2.0 Fast Wireless Charging | Quick Charge 2.0 Fast Wireless Charging |
| Water resistance | IP68 | IP68 |
| Security | Fingerprint sensor Iris scanner | Fingerprint sensor Iris scanner |
| Dimensions | 147.7 x 68.7 x 8.5 mm 163 g | 158.1 x 73.8 x 8.5 mm 189 g |
| Colors | Midnight Black, Lilac Purple, Coral Blue (U.S.) Midnight Black, Lilac Purple, Coral Blue, Slate Grey (intl) | Midnight Black, Lilac Purple, Coral Blue (U.S.) Midnight Black, Lilac Purple, Coral Blue, Slate Grey (intl) |
