Intel Core i3 8145U 's Advantages
Lower TDP (15W vs 35W)
AMD Ryzen 9 4900HS 's Advantages
Released 1 years and 7 months late
Higher specification of memory (LPDDR4X-4266 vs DDR4-2400)
Larger memory bandwidth (68.27GB/s vs 37.5GB/s)
Higher base frequency (3.0GHz vs 2.1GHz)
Larger L3 cache size (8MB vs 4MB)