2019年1月月のベスト電子書籍リーダー ：ランキングと価格の比較

Apple iPhone XS Max

vs

Samsung Galaxy Note 9

Apple Watch Series 4

vs

Samsung Galaxy Watch

Huawei Mate 20 Pro

vs

Samsung Galaxy S9 Plus

Canon 6D Mark II

vs

Nikon D850

Google Pixel 3

vs

OnePlus 6T

Huawei Kirin 970

vs

Qualcomm Snapdragon 845

Bose QuietComfort 35 II

vs

Sony WH-1000XM3

AMD Radeon RX Vega 64

vs

Nvidia GeForce GTX 1080 Ti

Apple iPad Pro 12.9 (2018)

vs

Microsoft Surface Pro 6

Telegram

vs

WhatsApp