Most of the handsets used a Qualcomm S4 Pro APQ8064 quad-core with an Adreno 320 graphics chip and had 5-inch, 1080p displays and 2GB RAM, except for the Huawei’s devices that use a K3V2 processor, a quad-core processor with 4 ARM A9 cores. Huawei’s Ascend Mate was a phablet, basically their Ascend D2 with a 6″ screen.
The Nvidia Tegra 3 was one of the first quad-core chips on the market and was all the rage in the beginning of 2012. It’s in the HTC One X+ and LG Optimus 4X HD but is said to use more power than 28nm Qualcomm processors.
Huawei’s upcoming K3V3 chipset, like NVIDIA’s upcoming Tegra 4, were not available in phones (yet). Huawei’s K3V3 is based on the more powerful Cortex-A15 ARM instead of Cortex-A9, and due in the 2H of 2013, like the Tegra 4.
Intel’s current roadmaps indicate Silvermont based smartphones won’t happen until late 2013, at the earliest. Lenovo’s K900 has an Atom Z2580 at 2 GHz with a 5.5-inch, 1080p display. It should be one of the fastest devices when it’s launched later this year.