Get Excavator Microarchitecture essential facts below. View Videos or join the Excavator Microarchitecture discussion. Add Excavator Microarchitecture to your PopFlock.com topic list for future reference or share this resource on social media.
The Excavator-based APU for mainstream applications is called Carrizo and was released in 2015.
The Carrizo APU is designed to be HSA 1.0 compliant.
An Excavator-based APU and CPU variant named Toronto for server and enterprise markets was also produced.
Excavator was the final revision of the "Bulldozer" family, with two new microarchitectures replacing Excavator a year later.
Excavator was succeeded by the x86-64Zen architecture in early 2017.
Excavator added hardware support for new instructions such as AVX2, BMI2 and RdRand.
Excavator is designed using High Density (aka "Thin") Libraries normally used for GPUs to reduce electric energy consumption and die size, delivering a 30 percent increase in efficient energy use. Excavator can process up to 15% more instructions per clock compared to AMD's previous core Steamroller.
Budget and mainstream markets (desktop and mobile): Carrizo APU
The Carrizo mobile APUs were launched in 2015 based on Excavator x86 cores and featuring Heterogeneous System Architecture for integrated task sharing between CPUs and GPUs, which allows a GPU to perform compute functions, which is claimed provide greater performance increases than shrinking the feature size alone.
Carrizo desktop APUs were launched in 2018. The mainsream product (A8-7680) has 4 Excavator cores and a GPU based on GCN1.2 architecture. Also, an entry-level APU (A6-7480) with 2 Excavator cores is also launched.
Budget and mainstream markets (desktop and mobile): Bristol Ridge, and Stoney Ridge (for entry level notebooks), APUs
The Toronto APU was available in BGA and SoC variants. The SoC variant had the southbridge on the same die as the APU to save space and power and to optimize workloads.
A complete system with a Toronto APU would have a maximum power usage of 70 W.
CPU Desktop lines
There are no plans for Steamroller (3rd gen Bulldozer) or Excavator (4th gen Bulldozer) architectures on high-end desktop platforms.
Excavator CPU for Desktop announced on 2nd Feb 2016, named Athlon X4 845.In 2017, three more desktop CPUs(Athlon X4 9x0) were launched. They come in Socket AM4, with a TDP of 65W. In fact, they are APUs with their graphics cores disabled.