From the following three pictures, you can see that the size difference between the two phones is not very big. Razer size 158.5 Phone x 77.7 x 8 mm (6.24 x 3.06 x 0.31 in), the weight of 197 g (6.95 oz); and the mobile phone millet shark size 161.6 x 75.4 x 9.3 mm (6.36 x 2.97 x 0.37 in), the weight of 190g (6.70 oz). Razer Phone is shorter and wider.
The comparison of the specifications is as follows: (the processor should be marked wrong)
You can see that the Razer Phone has a larger screen, more powerful, but the black mobile phone has a higher pixel density, but support Bluetooth 5 technology.
On the processor side, Razer Phone is equipped with MMSM8998N, MMSM8998N, 4 × 2.35 GHz Kryo 4 × 1.9 GHz Kryo and Adreno 540 GPA, while Black Shark uses 4 × 2.8 GHz Kryo 4 × 1.8 GHz Kryo) and Adreno 630.
The Razer Phone went on sale in November 2017, while the Black Shark phone went on sale on April 20 this year.Neither phone is sold via carrier channels. It is sold directly through handset makers. Razer Phone has only one version of 128GB for storage, while Black Shark has a combination of 6GB 64GB and 8GB 128GB.