Celeron 2970M 2.2GHz is a very cheap processor, part of the Haswell Refresh CPUs released in April of 2014..
It's configuration is similar to the mobile Core i-Series but many features like Turbo Boost, Hyper-Threading, AVX and AES-NI are deactivated.
As a result, the processor's performance is significantly reduced.
Expect modern 3D games smoothly at modest settings. However, its integrated graphics are relatively weak and might not run most of today's demanding games.