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                              March 12, 2021

       Dean Bulter
       Chief Financial Officer
       Synaptics Inc
       1251 McKay Drive
       San Jose, CA 95131

                                                        Re: Synaptics Inc
                                                            Form 10-K for the
Fiscal Year Ended June 27, 2020
                                                            Response dated
February 23, 2021
                                                            File No. 000-49602

       Dear Mr. Bulter:

              We have reviewed your February 23, 2021 response to our comment
letter and have the
       following comments. In some of our comments, we may ask you to provide
us with information
       so we may better understand your disclosure.

              Please respond to these comments within ten business days by
providing the requested
       information or advise us as soon as possible when you will respond. If
you do not believe our
       comments apply to your facts and circumstances, please tell us why in
your response.

              After reviewing your response to these comments, we may have
additional
       comments. Unless we note otherwise, our references to prior comments are
to comments in our
       February 2, 2021 letter.

       Form 10-K for the Fiscal Year Ended June 27, 2020

       Notes to Consolidated Financial Statements
       4. Divestiture, page F-17

   1.                                                   We have read your
response to comment 2, noting that you determined the TDDI product
                                                        line disposal did not
qualify as a discontinued operation since it did not qualify as a
                                                        component of an entity
and did not represent a strategic shift that has or will have a major
                                                        effect on your
operations and financial results. Please address the following comments:

                                                              Explain in
further detail how you determined the disposed TDDI product line did not
                                                            represent a
component of an entity. Considering you previously provided pro forma
                                                            financial
statements reflecting the impact, it appears that the operations and cash
                                                            flows could be
clearly distinguished, operationally and for financial reporting
 Dean Bulter
FirstName  LastNameDean Bulter
Synaptics Inc
Comapany
March      NameSynaptics Inc
       12, 2021
March2 12, 2021 Page 2
Page
FirstName LastName
              purposes, from the rest of your business. We also note that you
refer to the disposed
              entity as a "business" within the aforementioned Form 8-K, on
page 40 of your Form
              10-K, and on page 31 of your Form 10-Q for the quarterly period
ended December
              26, 2020.

                Explain in further detail how you determined that the disposal
did not represent a
              strategic shift that has or will have a major effect on your
operations and financial
              results. Based on your pro forma financial statements, we note
that the disposal
              represented approximately 22% your fiscal 2019 revenues and over
half of your net
              income for the six month interim period ended December 28, 2019.
We further note
              on page 31 of your most recent Form 10-Q that there was a 49% and
39.2% decline
              in your mobile product application net revenues for the three and
six months ended
              December 26, 2020, respectively, that you primarily attribute to
the sale of your
              TDDI business.
12. Segment, Customers, and Geographic Information, page F-33

2.       You indicate in your response to comment 3 that the CODM has ultimate
decision-making
         authority over the key operating decisions across all product
categories, as well as other
         areas in the organization. Please describe the key operating
decisions, who makes these
         decisions, and how performance is assessed and how resources are
allocated.
         Additionally, tell us what financial information is used by the CODM
in making these key
         operating decisions. As part of your response, please provide
examples.
3.       We note the reference to your annual operating and long-range planning
processes. Please
         explain to us how budgets are prepared, who approves the budget at
each step of the
         process, the level of detail discussed and individuals that
participate at each step, and the
         level at which the CODM makes changes to the budget. Also, explain
your process to
         assess performance against budget, including the level at which this
assessment is made,
         the frequency, and the individuals involved in that process. In this
regard, we note from
         your response that you prepare internal quarterly financial reports on
a divisional basis.
4.       We note from page 5 of your response that the CODM meets with his
direct reports one-
         on-one at least monthly and meets with the division general managers
and their respective
         divisional leadership teams on a monthly basis. Please tell us whether
any financial
         information is prepared, reviewed or discussed in conjunction with
these meetings, either
         formally or informally. If so, describe the financial information and
how it is used.
5.       We note from your response that the roles and responsibilities of
division general
         managers include approving tactical decisions aligning to corporate
strategy, resource
         allocations and management of those resources within the division.
Please explain to us
         the nature of the resource allocations that the division general
managers are responsible
         for and contrast them with resource allocations performed by the CODM.
6.       We note from your response that 50% of the short-term compensation for
division general
 Dean Bulter
Synaptics Inc
March 12, 2021
Page 3
         managers is based on achievement of target financial metrics at the
level of their
         respective divisions. Please tell us what these financial metrics are
and each of their
         relative weightings in the compensation package.
       You may contact Jean Yu at 202-551-3305 or Andrew Blume at 202-551-3254
if you
have questions regarding comments on the financial statements and related
matters. Please
contact Sherry Haywood at 202-551-3345 or Jay Ingram at 202-551-3397 with any
other
questions.



FirstName LastNameDean Bulter                                   Sincerely,
Comapany NameSynaptics Inc
                                                                Division of
Corporation Finance
March 12, 2021 Page 3                                           Office of
Manufacturing
FirstName LastName