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Socket AM4 is a PGA microprocessor socket used by AMD's central processing units (CPUs) built on the Zen (including Zen+, Zen 2 and Zen 3) and Excavator microarchitectures. [1] [2] AM4 was launched in September 2016 and was designed to replace the sockets AM3+, FM2+ and FS1b as a single platform.
Socket: AM4. All the CPUs support DDR4-2933 in dual-channel mode. All the CPUs support 16 PCIe 3.0 lanes. 4 of the lanes are reserved as link to the chipset. Includes integrated GCN 5th generation GPU. L1 cache: 96 KB (32 KB data + 64 KB instruction) per core. L2 cache: 512 KB per core. Fabrication process: GlobalFoundries 14LP.
There are currently 3 generations of AM4-based chipsets on the market. Models beginning with the numeral "3" are representatives of the first generation, those with "4" the second generation, etc. In addition to their traditional chipsets, AMD offers chipsets with "processor-direct access", exclusively through OEM partners. [ 18 ]
The third generation of Ryzen processors launched on July 7, 2019, based on AMD's Zen 2 architecture, featuring significant design improvements with a +15 percent average IPC boost, a doubling of floating point capability to a full 256-bit-wide execution data path much like Intel's Haswell released in 2014, [20] a shift to an multi-chip module ...
It made its debut as AMD's high-end processor brand on June 23, 1999. [1] Over the years AMD has used the Athlon name with the 64-bit Athlon 64 architecture, the Athlon II, and Accelerated Processing Unit (APU) chips targeting the Socket AM1 desktop SoC architecture, and Socket AM4 Zen (microarchitecture). [2]
As the first largely "ground up redesign" of the Zen CPU core since the architecture family's original release in early 2017 with Zen 1/Ryzen 1000, Zen 3 was a significant architectural improvement over its predecessors; having a very significant IPC increase of +19% over the prior Zen 2 architecture in addition to being capable of reaching higher clock speeds.
AM4 or AM-4 may refer to: Socket AM4, a socket for AMD processors utilizing the Zen microarchitecture; Amusement Vision, video game developer formerly known as Sega-AM4; USS Swallow (AM-4), a U.S. Navy minesweeper; Ekspress-AM4, a Russian satellite that never reached its intended orbit; Another name for AAA battery
Model Release date PCIe support [a] Multi-GPU USB support [b] Storage features Processor overclocking TDP CPU support Architecture Part number CrossFire SLI SATA ports RAID AMD StoreMI