<s>
Qualcomm	B-Application
Krait	I-Application
is	O
an	O
ARM-based	O
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
included	O
in	O
the	O
Snapdragon	B-Architecture
S4	O
and	O
earlier	O
models	O
of	O
Snapdragon	B-Architecture
400/600/800	O
series	O
SoCs	O
.	O
</s>
<s>
It	O
was	O
introduced	O
in	O
2012	O
as	O
a	O
successor	O
to	O
the	O
Scorpion	B-Application
CPU	O
and	O
although	O
it	O
has	O
architectural	O
similarities	O
,	O
Krait	B-Application
is	O
not	O
a	O
Cortex-A15	O
core	O
,	O
but	O
it	O
was	O
designed	O
in-house	O
.	O
</s>
<s>
In	O
2015	O
,	O
Krait	B-Application
was	O
superseded	O
by	O
the	O
64-bit	O
Kryo	B-Application
architecture	O
,	O
first	O
introduced	O
in	O
Snapdragon	B-Architecture
820	O
SoC	B-Architecture
.	O
</s>
