相比 S20 Ultra 的強桿，兩款比較親民嘅 S20 系列手機 – S20 及 S20 Plua 又差幾多呢？S20 擁有 6.2吋 QHD+ HDR10+ 認證屏幕，而 Galaxy S20+ 則是 6.7吋，但無論是那個均支援 120Hz 屏幕刷新率，對影片及遊戲都是一個很好的提昇。
Samsung S20 及 S20+ 均採用最新的 7nm 64-bit Exynos 990 處理器（部份為 Qualcomm S865），並提供 8GB / 12GB RAM 選項。S20 提供 128GB 儲存空間，而 S20+ 則是 512GB 儲存空間，兩者均提供最大 1TB 的 microSD 插槽。
在相機方面，S20 / S20+ 具有以下相同的鏡頭，Galaxy S20+ 唯一不同的是多了一個 ToF 鏡頭。其他主要的規格包括：屏下超聲波指紋識別，Wireless PowerShare，快速無線充電 2.0，Samsung Pay 和 IP68 防水防塵，並將分別提供 4G LTE 和 5G 版本，並支援 WiFi 6。
- 1,200 萬像素 f/1.8 OIS 鏡頭
- 1,200萬像素 f/2.2 超廣角鏡頭屏
- 6,400萬像素 f/2.0 OIS 長焦鏡頭（3 倍光學變焦和 30倍混合變焦）
- 1,000萬像素 f/2.2 自拍鏡頭
【規格比較】Galaxy S20 對 S20 Plus
| Galaxy S20 | Galaxy S20 Plus | |
| Size | 151.7 x 69.1 x 7.9mm (5.97 x 2.72 x 0.31 inches) | 161.9 x 73.7 x 7.8mm (6.37 x 2.9 x 0.3 inches) |
| Weight | 163 grams (5.74 ounces) | 186 grams (6.56 ounces) |
| Screen size | 6.2-inch Dynamic AMOLED | 6.7-inch Dynamic AMOLED |
| Screen resolution | 3,200 x 1,440 pixels (563 pixels-per-inch) | 3,200 x 1,440 pixels (525 ppi) |
| Operating system | Android 10 | Android 10 |
| Storage | 128GB | 128, 512GB |
| MicroSD card slot | Yes | Yes |
| Tap-to-pay services | Samsung Pay, Google Pay | Samsung Pay, Google Pay |
| Processor | Qualcomm Snapdragon 865 | Qualcomm Snapdragon 865 |
| RAM | 12GB | 12GB |
| Camera | 12-megapixel, 64MP telephoto, and 12MP ultrawide rear, 10MP front | 12-megapixel, 64MP telephoto, 12MP ultrawide, and ToF sensor rear, 10MP front |
| Video | 8K at 30 fps, 4K at 60 frames per second, 1080p at 240 fps, 720p at 960 fps | 8K at 30 fps, 4K at 60 fps, 1080p at 240 fps, 720p at 960 fps |
| Bluetooth version | 5.0 | 5.0 |
| Ports | USB-C | USB-C |
| Fingerprint sensor | Yes, in-display | Yes, in-display |
| Water resistance | IP68 | IP68 |
| Battery | 4,000mAhFast charging (25W)Qi wireless charging | 4,500mAhFast charging (25W)Qi wireless charging |
| App marketplace | Google Play Store | Google Play Store |
| Network support | TBA | TBA |
| Colors | Cosmic Gray, Cloud Blue, Cloud Pink | Cosmic Gray, Cloud Blue, Cosmic Black |
