A10-7870K vs Core i3-4340

The A10-7870K packs 4 cores / 4 threads, while the Core i3-4340 offers 2 cores / 4 threads — the A10-7870K has 2 more cores. Boost clocks reach 4.1 GHz on the A10-7870K versus 3.6 GHz on the Core i3-4340 — a 13% clock advantage for the A10-7870K (base: 3.9 GHz vs 3.6 GHz). The A10-7870K uses the Godaveri (2014−2016) architecture (28 nm), while the Core i3-4340 uses Haswell (2013−2015) (22 nm). In PassMark, the A10-7870K scores 3,506 against the Core i3-4340's 3,490 — a 0.5% lead for the A10-7870K. Geekbench 6 single-core — the metric most relevant to gaming — records 550 vs 1,024, a 60.2% lead for the Core i3-4340 that directly translates to higher frame rates. L3 cache: 0 kB on the A10-7870K vs 4 MB (total) on the Core i3-4340.

The A10-7870K uses the FM2+ socket (PCIe 3.0), while the Core i3-4340 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-2133 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: A55,A68H,A75,A78,A85X,A88X (A10-7870K) and H81,B85,Q85,H87,Q87,Z87,H97,Z97 (Core i3-4340).

Only the A10-7870K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (A10-7870K) vs VT-x, EPT (Core i3-4340). Both include integrated graphics — Radeon R7 (A10-7870K) and HD Graphics 4600 (Core i3-4340) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A10-7870K targets Budget, Core i3-4340 targets Mainstream Desktop. Direct competitor: A10-7870K rivals Core i3-4370; Core i3-4340 rivals FX-6350.