Greetings,
Welcome to the forum.
I am not a HP employee.
The 690 series PCs ship with two possible motherboards:
Lincs (Intel)
Sunflower (AMD)
The Sunflower motherboard supports the following processor choices:
AMD Ryzen7-2700 (Pinnacle Ridge) 8 cores/16 threads
65 W
AMD Ryzen5-2600 (Pinnacle Ridge) 6 cores/12 threads
65 W
AMD Ryzen7-1700 (Summit Ridge) 3.0 GHz, 8 cores/16 threads
65 W
AMD Ryzen5-1600 (Summit Ridge) 3.2 GHz, 6 cores/12 threads
65 W
AMD Ryzen5-2400G (Raven Ridge) 3.6 GHz, 4 cores/8 threads
45 - 65 W
AMD Ryzen3-2200G (Raven Ridge) 3.5 GHz, 4 cores/4 threads
45 - 65 W
AMD AMD A12-9800 APU (Bristol Ridge) 3.8 GHz, 4 cores
65 W
AMD AMD A10-9700 APU (Bristol Ridge) 3.5 GHz, 4 cores
65 W
AMD AMD A8-9600 APU (Bristol Ridge) 3.1 GHz, 4 cores
65 W
Regards