“Why.is this computer advertised as having an i-7-9700 running at 4.7 GHZ but the spec calls out an i-5 processor? Model: OPTIPLEX 7070 SKU: 12186820”

Dell - Refurbished Excellent - OptiPlex 7070 SFF Desktop PC, Intel Core i7-9700 up to 4.70GHz, 32GB DDR4, 1TB NVMe SSD, Built-in WiFi 6E, Win11P - Black