AMD unveils seventh-generation APU offerings

Excavator x86 processor cores combined with Radeon R7 graphics technology

AMD has unveiled its seventh-generation system-on-a-chip accelerated processing units (APUs), code-named Bristol Ridge and Stoney Ridge.

The devices are based on AMD's Excavator x86 processor cores and are combined with Radeon R7 graphics technology to provide a fair bit of power in one cut-price unit.

Bristol Ridge is the more powerful of the two, and comes in 35W and 15W versions of AMD FX, A12 and A10 processors, offering up to 3.7GHz of processing power. The former two processors are paired with up to eight Graphics Core Next (GCN) cores in the R7 to provide a decent pool of graphics processing power.

Stoney Bridge offers less in the way of processor power, topping out at 3.5GHz, and versions include 15W A9, A6 and E2 processor configurations coupled with lower powered graphics accelerators.

AMD claimed that the new APUs offer a 50 per cent hike in performance over the previous generation Carrizo APUs. However, this rise is over APUs from the early part of Carrizo's lifecycle, so performance gains over the most recent Carrizo APUs are likely to be 10 to 20 per cent.

AMD also said that its silicon is faster than rival chips from Intel, including the i3-6100U found in several ultraportable laptops.

Many of these tests are subjective and depend on how a hardware manufacture configures and sets up the APUs in a laptop or tablet, but AMD does have its graphics tech to draw on, such as the GCN architecture, which could give it the edge over Intel's chips when it comes to pushing pixels.

The APUs will be aimed primarily at slim laptops that need low-power consumption chips, much like Intel's Skylake line.

Bristol Ridge is currently available to end users only in the form of HP's latest Envy laptop. But now that AMD has debuted the full range of the seventh-generation APUs we can expect to see them in other ultraportable machines before too long.