The b660 and z690 differ in performance.
1, cpu, memory:
The z690 supports both CPU and memory overclocking,
The b660 motherboard only supports memory overclocking.
2, DDR5, DDR4 memory:
In terms of memory, both the b660 and z690 can support ddr4\/ddr5, depending on the model.
3、PCIe 5.0:
Both motherboards are PCIe 5.0 that can connect directly to the cpu, and both have 20 channels.
4、PCIe 4.0:
The b660 provides 12 chip channels,
The z690 provides six chip PCIe 4.0 channels.
5, DMI bus:
The DMI bus of the z690 is PCIe 4.0x8 and that of the b660 is PCIe 4.0x4.
In contrast, only half of the former, the larger the number of buses, the better.
6, cpu power supply specifications:
The difference between the b660 and the z690 in cpu power design is the b660
b660 snow blowing appearance is very simple, the mesh grille adopts the penetration design, the interior adopts the style design of Chinese elements, the headlamp adopts the split design, the lower air intake is equipped with a front radar probe.
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The z690 has a snow-blowing length of 4592 mm, a width of 1879 mm, a height of 1628 mm and a wheelbase of 2734 mm. It comes with 19-inch wheels, a panoramic sunroof, and a variety of driver assistance systems.