if AMD really wanted to im sure they could do 4x50u SKU's and let a single core use upto max SOC draw for the different durations and then they would have ~4.7ghz single core clocks to really rub the salt in.Pricing will make or break Tiger Lake, the rest is fine but nothing extraordinary. Which leads us to 10SF yields, they better be excellent, otherwise Intel won't be able to flood the market with cheap i3 and i5 chips.
The biggest problem TGL faces is i7 compares much more favorable versus 4800U than i5 and i3 do versus 4700U and 4500U respectively. On TGL there's a steep drop in ST clocks in lower SKUs, meanwhile AMD SKUs have minimal drops since differentiation is done via lower thread count. The end result is the i3 with 4C/8T and 3.7GHz boost looks great on paper until you pit it against the 4500U with 6C/6T and 4Ghz boost. That makes the two CPUs comparable in ST performance, while the 4500U likely still wins in MT loads... and may actually start to win in GPU loads as well.
If yields are still mediocre then TGL will be more expensive than Renoir (price will be bound by availability), so Intel will be forced to compete based on premium exclusive features such as Thunderbolt, 90Hz HDR screens, fast charging, premium design and materials. That will be moderately fine for the i7, but problematic for the rest of the lineup.