Core i3-10305 vs Pentium Gold 8505

The Core i3-10305 packs 4 cores / 8 threads, while the Pentium Gold 8505 offers 5 cores / 6 threads — the Pentium Gold 8505 has 1 more core. Boost clocks reach 4.5 GHz on the Core i3-10305 versus 4.4 GHz on the Pentium Gold 8505 — a 2.2% clock advantage for the Core i3-10305. The Core i3-10305 is built on the Comet Lake-R (2021) architecture. In PassMark, the Core i3-10305 scores 9,210 against the Pentium Gold 8505's 9,167 — a 0.5% lead for the Core i3-10305. Geekbench 6 single-core — the metric most relevant to gaming — records 1,536 vs 1,550, a 0.9% lead for the Pentium Gold 8505 that directly translates to higher frame rates. L3 cache: 8 MB (total) on the Core i3-10305 vs 8 MB Intel® Smart Cache on the Pentium Gold 8505.

The Core i3-10305 uses the LGA1200 socket (PCIe 3.0), while the Pentium Gold 8505 uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i3-10305 versus DDR5-4800 on the Pentium Gold 8505 — the Pentium Gold 8505 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-10305 supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i3-10305) vs 20 (Pentium Gold 8505) — the Pentium Gold 8505 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z490,B460 (Core i3-10305) and SoC (Pentium Gold 8505).

Virtualization support: VT-x, VT-d (Core i3-10305) vs Yes (Pentium Gold 8505). Both include integrated graphics — UHD Graphics 630 (Core i3-10305) and UHD Graphics (Pentium Gold 8505) — useful as a fallback for troubleshooting or display output without a dedicated GPU.