Scorpion (CPU)

Scorpion

Produced	2008
Designed by	Qualcomm
Common manufacturer(s)	Qualcomm
Max. CPU clock rate	800 MHz to 1.7 GHz
Instruction set	ARM, Thumb-2
Cores	1 or 2
L1 cache	32 KiB/32 KiB
L2 cache	256 KiB or 512 KiB
Successor	Krait

Scorpion is a central processing unit (CPU) core designed by Qualcomm for use in their Snapdragon mobile systems on chips (SoCs). It is designed in-house, but has many architectural similarities with the ARM Cortex-A8 and Cortex-A9 CPU cores.

Overview

• 10/12 stage integer pipeline with 2-way decode, 3-way out-of-order speculatively issued superscalar execution
• Pipelined VFPv3 and 128-bit wide NEON (SIMD)
• 3 execution ports
• 32 KB + 32 KB L1 cache
• 256 KB (single-core) or 512 KB (dual-core) L2 cache
• Single or dual-core configuration
• 2.1 DMIPS/MHz
• 65/28 nm process

See also

• Krait (CPU)
• Comparison of ARMv7-A cores