Scorpion (processor)
Scorpion is a central processing unit (CPU) core designed by Qualcomm for use in their Snapdragon mobile systems on chips (SoCs). It was released in 2008. It was designed in-house, but has many architectural similarities with the ARM Cortex-A8 and Cortex-A9 CPU cores.
| General information | |
|---|---|
| Launched | 2008 |
| Designed by | Qualcomm |
| Common manufacturer(s) | |
| Performance | |
| Max. CPU clock rate | 800 MHz to 1.7 GHz |
| Cache | |
| L1 cache | 32 KiB/32 KiB |
| L2 cache | 256 KiB or 512 KiB |
| Architecture and classification | |
| Instruction set | ARM, Thumb-2 |
| Physical specifications | |
| Cores |
|
| History | |
| Successor(s) | Krait |
Overview
- 10/12 stage integer pipeline with 2-way decode, 3-way out-of-order speculatively issued superscalar execution[1]
- Pipelined VFPv3[2] 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
- 65/45/28 nm process
References
- http://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf
- Brian Klug; Anand Lal Shimpi (February 21, 2012). "Qualcomm Snapdragon S4 (Krait) Performance Preview - 1.5 GHz MSM8960 MDP and Adreno 225 Benchmarks". Anandtech. Retrieved 2013-07-28.
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