The Intel Celeron B820 is a dual-core processor designed for budget PCs. This processor is based on Sandy Bridge architecture that uses 32 nanometer manufacturing technology. Some special features of this dual-core processor include Thermal Monitoring, Idle States, Enhanced SpeedStep, Execute Disable Bit and much more. This Intel Celeron B820 dual-core processor runs at the clock speed of 1.7GHz but it does not support Hyper-Threading nor Turbo Boost technology.
Moreover, this Intel Celeron B820 dual-core processor comes with L3 cache of MB, L2 cache of 512kB and L1 cache of 128kB. This also comes with an integrated GPU called Intel HD Graphics that runs at the clock rate of 650-1050MHz. Some power saving features of this processor may be disabled which causes the battery life to be shorter compared to the Core i-series processors.
Furthermore, this Intel Celeron B820 dual-core processor has a PassMark rating of 1441 which makes it more powerful than AMD E2-1800 which has a rating of 812; AMD E1-1200 with a rating of 725 and Intel Pentium 987 with a score of 1199. But this Celeron B820 is less powerful compared to AMD A6-4400M with a rating of 1579; AMD A8-4500M with a score of 2662; Intel Core i3-3110M with a rating of 2909; Intel Pentium B980 with a rating of 2301; and Core i5-3317U with a PassMark score of 3127. For more comparison, visit this page.