AMD A6-7400K socket: Socket FM2+

What the A6-7400K is

The A6-7400K is the unlocked Kaveri dual core on Socket FM2+ for budget tuning rigs. It runs 2 cores and 2 threads at 3.5 GHz base with turbo to 3.9 GHz. One megabyte of L2 cache covers games. Power is 65 W on 28 nm from July 2014 with 45 and 65 W configurable TDP options.

High stock clocks plus an open multiplier suit overclocking on A88X boards. Manual lifts past 3.9 GHz depend on cooling and silicon. Radeon R5 with 4 GPU cores at 758 MHz covers displays until a discrete card arrives. The 65 W envelope keeps tuning accessible.

DDR3 up to 1866 MT/s over two channels feeds cores and graphics. Boxed packs target DIY builders. Buyers pick the 7400K where unlocked Kaveri dual threads must pair with a discrete card.

Socket and motherboard compatibility

The 7400K fits Socket FM2+ on A88X boards with tuning BIOS options. A78 boards boot it with less overclocking headroom. DDR3-1866 DIMMs match stock turbo. A discrete card is the usual pairing for gaming.

Dual channel fast DDR3 helps R5 minimums. The Socket vs chipset: what decides whether a CPU works guide covers AMD pairing. FM2 Richland boards never accept Kaveri.

Memory, PCIe and cooling

DDR3 up to 1866 MT/s over two channels suits tuning rigs with SSDs. Fast pairs lift R5 graphics before a card arrives. cTDP options at 45 and 65 W tune thermals.

PCIe 3.0 with 16 lanes from the APU feeds one mainstream card. A Radeon card of the era matches unlocked clocks at 1080p. Chipset lanes handle storage.

Cooling uses the FM2+ mount with tower coolers for lifts past stock. The 65 W stock cooler handles default clocks. Watch VRM heat on budget boards.

Upgrade paths

On the same socket, the AMD A6 PRO-7400B matches clocks for business fleets, while the AMD A4 PRO-7350B at 3.4 GHz below saves cost. All share FM2+ boards.

Godavari K parts cover newer tuning builds. The 7400K remains the unlocked Kaveri dual lead.