<s>
The	O
fifth-generation	O
iPad	B-Device
Pro	I-Device
,	O
colloquially	O
known	O
as	O
the	O
M1	B-Device
iPad	B-Device
Pro	I-Device
,	O
is	O
a	O
line	O
of	O
iPad	B-Device
tablet	B-Device
computers	I-Device
developed	O
and	O
marketed	O
by	O
Apple	O
Inc	O
.	O
</s>
<s>
Announced	O
on	O
April	O
20	O
,	O
2021	O
,	O
it	O
was	O
available	O
with	O
the	O
same	O
screen	O
size	O
options	O
as	O
its	B-Device
predecessor	I-Device
:	O
and	O
.	O
</s>
<s>
Significant	O
upgrades	O
over	O
the	O
previous	O
generation	O
include	O
the	O
new	O
Apple	B-Device
M1	I-Device
processor	O
,	O
the	O
addition	O
of	O
5G	O
support	O
in	O
cellular	O
models	O
,	O
support	O
for	O
Thunderbolt	B-Protocol
3	I-Protocol
and	O
USB4	O
,	O
and	O
for	O
the	O
12.9-inch	O
model	O
,	O
a	O
new	O
mini	O
LED	O
Liquid	B-Operating_System
Retina	I-Operating_System
XDR	I-Operating_System
display	I-Operating_System
.	O
</s>
<s>
The	O
tech	O
community	O
was	O
divided	O
on	O
whether	O
Apple	O
would	O
use	O
the	O
M1	B-Device
chip	I-Device
or	O
a	O
hypothetical	O
A14X	O
chip	O
for	O
its	O
fifth	O
generation	O
iPad	B-Device
Pro	I-Device
.	O
</s>
<s>
After	O
Apple	O
announced	O
that	O
it	O
would	O
use	O
the	O
M1	B-Device
,	O
speculation	O
surfaced	O
that	O
it	O
might	O
run	O
macOS	B-Application
.	O
</s>
<s>
The	O
iPad	B-Device
's	O
general	O
availability	O
was	O
temporarily	O
constrained	O
by	O
an	O
ongoing	O
chip	O
shortage	O
of	O
2020	O
and	O
2021	O
.	O
</s>
<s>
In	O
spite	O
of	O
minor	O
differences	O
in	O
weight	O
and	O
thickness	O
due	O
to	O
hardware	O
upgrades	O
,	O
the	O
tablet	B-Device
is	O
virtually	O
identical	O
to	O
its	B-Device
predecessor	I-Device
.	O
</s>
<s>
It	O
is	O
compatible	O
with	O
the	O
second	B-Device
generation	I-Device
Apple	I-Device
Pencil	I-Device
and	O
the	O
Magic	B-Device
Keyboard	I-Device
;	O
Apple	O
designed	O
a	O
revised	O
variant	O
of	O
Magic	B-Device
Keyboard	I-Device
for	O
the	O
12.9-inch	O
model	O
due	O
to	O
its	O
change	O
in	O
thickness	O
.	O
</s>
<s>
The	O
iPad	B-Device
Pro	I-Device
uses	O
100%	O
recycled	O
aluminum	O
and	O
sources	O
at	O
least	O
98%	O
recycled	O
rare	O
earth	O
element	O
supplies	O
.	O
</s>
<s>
The	O
fifth	O
generation	O
iPad	B-Device
Pro	I-Device
uses	O
an	O
Apple	B-Device
M1	I-Device
SoC	B-Architecture
,	O
which	O
is	O
the	O
first	O
iPad	B-Device
not	O
based	O
on	O
a	O
custom	O
A-series	O
processor	O
.	O
</s>
<s>
The	O
M1	B-Device
features	O
an	O
eight-core	O
CPU	B-General_Concept
in	O
a	O
hybrid	O
configuration	O
with	O
four	O
high-performance	O
and	O
four	O
high-efficiency	O
cores	O
,	O
an	O
eight-core	O
GPU	B-Architecture
,	O
and	O
a	O
16-core	O
Neural	B-General_Concept
Engine	I-General_Concept
.	O
</s>
<s>
The	O
fifth	O
generation	O
iPad	B-Device
Pro	I-Device
debuted	O
support	O
of	O
Thunderbolt	B-Protocol
3	I-Protocol
and	O
USB4	O
with	O
its	O
USB-C	O
port	O
.	O
</s>
<s>
The	O
latter	O
can	O
transfer	O
data	O
at	O
up	O
to	O
40	O
gigabits	O
per	O
second	O
and	O
can	O
be	O
used	O
to	O
connect	O
external	O
displays	O
,	O
such	O
as	O
the	O
Pro	B-Device
Display	I-Device
XDR	I-Device
.	O
</s>
<s>
The	O
11-inch	O
model	O
has	O
a	O
Liquid	B-Operating_System
Retina	I-Operating_System
display	I-Operating_System
with	O
a	O
peak	O
brightness	O
at	O
600	O
nits	O
,	O
which	O
is	O
the	O
same	O
as	O
the	O
11-inch	O
model	O
of	O
the	O
3rd	B-Device
and	O
4th	B-Device
generations	I-Device
.	O
</s>
<s>
The	O
12.9-inch	O
model	O
,	O
in	O
contrast	O
,	O
boasts	O
a	O
mini	O
LED	O
HDR	B-Application
display	I-Application
called	O
the	O
Liquid	B-Operating_System
Retina	I-Operating_System
XDR	I-Operating_System
display	I-Operating_System
built	O
in	O
with	O
a	O
1,000,000	O
:1	O
contrast	O
ratio	O
,	O
full-screen	O
brightness	O
of	O
1,000	O
nits	O
and	O
a	O
peak	O
brightness	O
of	O
1,600	O
nits	O
(	O
HDR	B-Application
)	O
.	O
</s>
<s>
Both	O
models	O
support	O
True	O
Tone	O
,	O
ProMotion	O
,	O
120Hz	O
variable	B-General_Concept
refresh	I-General_Concept
rate	I-General_Concept
,	O
and	O
P3	O
wide	O
color	O
gamut	O
.	O
</s>
<s>
In	O
addition	O
to	O
a	O
12	O
MP	O
wide	O
camera	O
with	O
an	O
aperture	B-General_Concept
of	O
ƒ/1.8	O
,	O
it	O
has	O
a	O
10	O
MP	O
ultra-wide	O
camera	O
with	O
a	O
ƒ/2.4	O
aperture	B-General_Concept
and	O
a	O
125º	O
field	O
of	O
view	O
.	O
</s>
<s>
All	O
cameras	O
have	O
Smart	O
HDR	B-Application
3	O
,	O
the	O
same	O
HDR	B-Application
technology	O
present	O
in	O
the	O
iPhone	B-Operating_System
12	I-Operating_System
series	O
.	O
</s>
<s>
It	O
includes	O
the	O
same	O
sensors	O
as	O
their	O
predecessors	O
:	O
Face	O
ID	O
,	O
LiDAR	O
,	O
three-axis	O
gyroscope	B-Application
,	O
accelerometer	O
,	O
barometer	O
,	O
and	O
an	O
ambient	O
light	O
sensor	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
second	B-Device
generation	I-Device
Apple	I-Device
Pencil	I-Device
,	O
the	O
Smart	B-Device
Keyboard	I-Device
Folio	I-Device
,	O
and	O
the	O
Magic	B-Device
Keyboard	I-Device
,	O
the	O
fifth-generation	O
iPad	B-Device
Pro	I-Device
supports	O
third-party	O
external	O
accessories	O
such	O
as	O
game	B-Device
controllers	I-Device
(	O
Sony	O
's	O
PlayStation	B-Device
and	O
Microsoft	O
's	O
Xbox	B-Protocol
controllers	O
)	O
.	O
</s>
<s>
Apple	O
's	O
fifth-generation	O
iPad	B-Device
Pro	I-Device
can	O
also	O
be	O
used	O
with	O
many	O
other	O
peripherals	O
that	O
transform	O
it	O
into	O
a	O
versatile	O
computer	O
,	O
such	O
as	O
a	O
wide	O
range	O
of	O
USB-C	O
accessories	O
,	O
including	O
USB-C	O
hubs	O
and	O
USB-C	O
docks	O
.	O
</s>
<s>
The	O
fifth	O
generation	O
iPad	B-Device
Pro	I-Device
received	O
mixed	O
responses	O
from	O
critics	O
.	O
</s>
<s>
Some	O
reviewers	O
said	O
that	O
its	O
overboosted	O
processor	O
was	O
limited	O
by	O
iPadOS	O
and	O
the	O
lack	O
of	O
professional	O
macOS	B-Application
applications	O
,	O
while	O
others	O
criticized	O
the	O
placement	O
of	O
its	O
camera	O
system	O
.	O
</s>
