Scorpion (CPU)

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.

Scorpion
General Info
Launched2008
Designed byQualcomm
Common manufacturer(s)
Performance
Max. CPU clock rate800 MHz to 1.7 GHz
Cache
L1 cache32 KiB/32 KiB
L2 cache256 KiB or 512 KiB
Architecture and classification
Instruction setARM, Thumb-2
Physical specifications
Cores
  • 1 or 2
History
SuccessorKrait

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
  • 65/28 nm process
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See also

References
  1. http://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf
  2. 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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