That's a 30% difference.
Snapdragon 870 can be said to be the star flagship processor that has received much attention in 2021, based on the 7nm process, the CPU is composed of a 3.2GHz super core, 3 2.42GHz large core and 4 1.8GHz small core, and UFS 3.1 flash memory is also the solution adopted by the conventional flagship opportunity.
In the performance test of Master Lu, 875,708 points were obtained, more than 98% of mobile phones, and the performance list ranked 14th.
The overall performance of the Snapdragon 855plus processor is close to 80% of the Snapdragon 870.
Both use a 7 nm 8 core process. The Snapdragon 870 has a level 3 cache of 4MB, while the 855 has only 2MB. 870 also has a higher Rui rate than 855. The Snapdragon 870 has a single-core run score of 1000, and the Snapdragon 855 has a single-core run score of 780. Snapdragon 870 multi-core run score of 3372, Snapdragon 855 multi-core run score of 2780. Snapdragon 870 rabbit run points 720,000, Snapdragon 855 rabbit run points about 550,000.
A difference of about 25%.
Compared with the Snapdragon 855plus, the Snapdragon 870 roughly improves the performance by about 25%, and also adds support for 5g networks. So the 855 is an older process from the previous generation, certainly not as good as the 870