Ryzen 3 5300U vs Core i3-1210U

The Ryzen 3 5300U packs 4 cores / 8 threads, while the Core i3-1210U offers 6 cores / 8 threads — the Core i3-1210U has 2 more cores. Boost clocks reach 3.8 GHz on the Ryzen 3 5300U versus 4.4 GHz on the Core i3-1210U — a 14.6% clock advantage for the Core i3-1210U (base: 2.6 GHz vs 1 GHz). The Ryzen 3 5300U uses the Lucienne-U (Zen 2) (2021) architecture (7 nm), while the Core i3-1210U uses Alder Lake-U (2022) (Intel 7 nm). In PassMark, the Ryzen 3 5300U scores 9,453 against the Core i3-1210U's 9,438 — a 0.2% lead for the Ryzen 3 5300U. Geekbench 6 single-core — the metric most relevant to gaming — records 1,457 vs 2,040, a 33.3% lead for the Core i3-1210U that directly translates to higher frame rates. L3 cache: 4 MB (total) on the Ryzen 3 5300U vs 10 MB (total) on the Core i3-1210U.

The Ryzen 3 5300U uses the FP6 socket (PCIe 3.0), while the Core i3-1210U uses FCBGA1781 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 3 5300U versus LPDDR5-5200 on the Core i3-1210U — the Core i3-1210U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 64 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Ryzen 3 5300U) vs 14 (Core i3-1210U) — the Core i3-1210U offers 2 more lanes for additional GPUs or NVMe drives.

Virtualization support: Yes (Ryzen 3 5300U) vs VT-x, VT-d, EPT (Core i3-1210U). Both include integrated graphics — Radeon Vega 6 (Ryzen 3 5300U) and UHD Graphics for 12th Gen (64 EU) (Core i3-1210U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1210U targets Thin & Light Laptop. Direct competitor: Core i3-1210U rivals Ryzen 3 5425U.