Amazon has produced a Chip for the server market and one for the
AI market. Got this from Seeking Alpha
Intel's And Nvidia's Margin Is Amazon's
Opportunity
Dec. 5, 2019 4:04 PM ET
|
About: Amazon.com, Inc.
(AMZN), Includes: AMD, GOOG, GOOGL, INTC, NVDA, TSM
Summary
We discuss the significance of two recent Amazon
announcements; about Graviton2 and Inferentia.
Graviton2 is a significant negative to Intel and has
long-term margin implications for the server business.
Inferentia is a significant negative to Nvidia and has
long-term implications for machine learning semiconductor
market.
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Amazon (NASDAQ:AMZN), at
its Re:Invent event, made two major announcements of consequence
for the semiconductor industry. In one announcement,
Amazon unveiled instances based on its new ARM-based Graviton2 chip
- an alternative to x86 server chips from Intel (NASDAQ:INTC) and
Advanced Micro Devices (NASDAQ:AMD). In
another announcement,
the company launched Inf1 instances based on its new AWS
Inferentia chip – an alternative to the
popular T4 inference chip from Nvidia (NASDAQ:NVDA).
The announcements are notable because Amazon, in a way, is
announcing an open war against its suppliers by building its own
alternative ICs to compete with its suppliers.
In a sense, it has always been this way. Amazon CEO Jeff
Bezos has systematically gone after big margins wherever he sees
them as is evident by his oft-quoted favorite
aphorism: “Your margin is my
opportunity”.
Amazon, which has internalized the CEO’s “Your
margin is my opportunity” message, is constantly looking for
opportunities in margins of vendors like Intel and Nvidia. Amazon
AWS operations team led by Andy Jassy has found billions of dollars
of opportunity by going after these vendors.
Sizing The Opportunity
It is no secret that Intel has historically commanded high
margins in its x86 processor business and even higher margins in
the x86 server processor business. While Intel does not disclose
gross margins by product line, we estimate that Intel server CPU
gross margins are around 80%. Note that, in the most recent
quarter, Intel Datacenter business, which primarily revolves around
the sale of the company’s server processors, had a *NET*
margin of $3.1B on revenues of $6.4B. From Amazon's perspective,
this staggering margin provides an opportunity.
How big is this opportunity?
Unfortunately, it is not possible to estimate accurately
as the number of servers procured by Amazon is a well-kept secret.
It is not just Amazon; even other cloud providers are reticent to
provide much information on the installed base of servers or annual
unit purchases. Over the years, estimates of the server market and
Amazon share of the market have varied widely depending on the
assumptions and methodologies used by various market research
houses.
For the purposes of this article, as a first order
estimation, we approximate the overall server market to be about
25M CPUs per year and Amazon share of it to be about a tenth of it
at 2.5M CPUs. For the sake of discussion, assume that Intel sells
2.5M server chips a year on average to Amazon at $1,000 a pop. i.e.
Amazon may be spending $2.5B a year on Intel processors. This, in
turn, implies that Amazon may be providing $2B of gross margin to
Intel.
The math on the inference side is also attractive to
Amazon, given the high margins that Nvidia commands. However, the
size of the inference opportunity is an order of magnitude lower,
given the relatively small size of the AI/ML market compared to the
CPU market.
Graviton2
In spite of the large CPU opportunity, until recently,
customers like Amazon had no choice but to buy from Intel. Intel
had a strong process and design leadership in CPUs and had kept its
x86 solutions ahead of rest of the industry including a bevy of ARM
based alternatives. For high-performance cutting-edge solutions,
customers had little choice but to stay with Intel.
The dynamic has changed in the last few years as Intel
fell behind process technology and has also fallen behind building
innovative x86 designs. The poor execution from Intel has left the
door open for the competition. AMD, as a merchant supplier
competitor, was the first to exploit the opportunity with its EPYC
class of solutions. And, now, AWS is following a similar path with
Graviton2.
Amazon’s Graviton2 is a 64 core ARM Neoverse design
with special instructions for machine learning. As with AMD, Amazon
is very likely using TSMC (NYSE:TSM) to
fabricate the silicon. Amazon claims that its Graviton2 based
instances deliver about a 20% to 50% performance advantage over
Intel Xeon Platinum 8000 series (Skylake) based instances. While
this level of performance makes Graviton2 competitive with Intel
offerings, it falls short of top of the line AMD EPYC2 equivalents.
Thus, it is no surprise that Amazon did not offer any comparisons
with AMD EPYC2 based instances.
Amazon also touted these instances as having 20% lower
cost compared to Intel alternative. Once again, no such comparison
was made against AMD alternatives.
Amazon did not publish critical information about
Graviton2 but given the historical strength of ARM, it is likely
that the ARM solution uses significantly lower energy than Intel
equivalents for a comparable unit of work. This is likely to be a
big part why AWS claims cost savings on this solution.
Amazon is keenly aware that customers who run x86
applications are unlikely to easily shift to Graviton2 ARM based
solution. However, there are many open source applications that can
run on ARM, and these are the applications that Amazon will be
looking to migrate to its Graviton2 instances. The immediate
opportunity for Graviton2 is Amazon’s internal use servers.
As long as the servers can support whatever software that Amazon is
running on its servers, Amazon could migrate.
While it is unclear what percentage of Amazon workloads
can benefit from Graviton2, Amazon now has a strong internal
solution that it can use as a leverage against Intel and
AMD.
This is a major setback for Intel as one of its highest
volume server customers now has an internal alternative. Amazon is
likely to deploy its internal solution wherever it perceives it has
a better TCO compared to Intel and AMD equivalents. Between EPYC
and Gravitron2, we can now expect that Amazon will reap a windfall
reduction in server costs.
Over time, to the chagrin of Intel investors, this dynamic
will help drive x86 CPU margins down as the server market prices on
the x86 CPUs are likely to turn lower on a secular basis.
Concurrently, this dynamic improves economics of Amazon
solutions.
Inferentia
The story with Inferentia is similar to that of Graviton2.
With Inferentia, Amazon is after Nvidia margins.
Amazon provided very little information about the AWS
Inferentia chip itself, but Amazon claims that, when compared to
top of the line Nvidia T4 inferencing solution based G4
instances, Inf1 instances offer up to 3x the inferencing
throughput, and up to 40% lower cost per inference. In other words,
Amazon is telling customers that it now has a better inference
solution than its current supplier Nvidia. Amazon claims that,
according to customer feedback, inferencing can account for up to
90% of the cost of customers' machine learning work. By offering a
promise of big performance boost at a lower price, Amazon is
clearly looking to incentivize customers to try and benchmark its
solution against Nvidia alternatives. If Amazon’s claims
stand to scrutiny in customer applications, and we have little
reason to be skeptical, Amazon will cause customers using Nvidia T4
solutions to switch to AWS Inferentia solutions.
In addition, for all of its internal applications, which
is probably a big volume driver, we can now expect Amazon to use
AWS Inferentia instead of Nvidia alternatives. This is a big
setback to Nvidia which has already lost much of the internal
Google (NASDAQ:GOOG)
(NASDAQ:GOOGL)
inference market.
While the opportunity size of AWS Inferentia is small
compares to Graviton2, and probably closer to $100M, Amazon expects
a large growth in this segment as machine learning applications
multiply.
Sustainability Of Custom Silicon Cannot Be Taken For
Granted
While Amazon has undeniably scored a coup on Intel and
Nvidia with Graviton2 and Inferentia, this does not automatically
imply that Amazon will be successful with its internal CPUs and AI
chips in the long term.
Amazon, compared to merchant vendors like Intel, suffers
from diseconomies of scale. The total annual volume of servers at
Amazon for ARM, considering it is only applicable for a subset of
its needs, is likely far less than its server CPU consumption of
2.5M units per year. It is unlikely that Graviton2 will get to a
level higher than a million units per year during the initial
years. This volume pales in comparison to the 25M per year x86
server market. Given the smaller TAM, it is not possible for Amazon
to invest in server solutions at a rate merchant suppliers like
Intel or AMD can. On a long-term basis, it is also difficult for
players like Amazon to keep up with vendors like Intel who
specialize in building CPUs.
The reason that Graviton2 even exists is because of the
obscenely high margins Intel commands in the server business.
Whether Amazon can keep innovating on the Graviton front depends on
Intel and AMD, and how high a margin they would like to see for
their server chips. The higher the margin these players want, the
higher the incentive for Amazon to keep investing in its internal
solution.
To be sure, Graviton2 may have arrived into the market a
bit late. AMD is already significantly cutting down margins in the
x86 business through EPYC2 products that offer higher performance
and lower cost than Intel alternatives. As an example, at the top
end of the range, AMD claims to offer 4 times the price performance
ratio of Intel.
Prior to 2019, Graviton2 would have been far more
attractive to Amazon but now, with AMD dramatically improving price
performance ratio, it is far less so. Thanks to AMD’s
aggressive price performance, we expect that Graviton2 is far less
attractive in some of the niches where Amazon may have been
considering the chip. As such, we see Graviton gaining volume very
slowly.
Chip suppliers like Intel, AMD, and Nvidia have a complex
dynamic that they need to overcome. The challenge is that many of
their customers, unlike Amazon, do not have sufficient volumes,
incentives, or capabilities to initiate internal CPU efforts. From
a supplier perspective, profit maximization may dictate that,
rather than collapse ASPs across the board, it is better to offer
steeper discounts exclusively to Amazon and other capable parties
or to lose some share of business to internal silicon. Suppliers
may also offer lower margin products to Amazon and other players
who need such an option.
These dynamics suggest that Arm based products, whether
internal to large customers or from AMD and Intel, may see an
uptick in adoption in the server market.
It is difficult to predict how this battle plays out in
the near term but, in the long term, it is highly likely that
merchant silicon vendors will lose a part of the TAM to players
like Amazon who develop their own solutions. It is also likely that
the margins in the industry will shrink in areas where there is a
threat of substitution.
Prognosis
Out of nowhere, margins in the x86 business are under
assault with Amazon building a capable competitor in server CPU
business. Graviton2 has a limited applicability in the near term
and is a threat to a subset of use cases which can be supported by
ARM. Most of the customer loads run on x86, and customers are
unlikely to migrate to ARM for a long time to come. However,
Graviton2 will help drive down Intel and AMD server business
margins and create a tremendous opportunity for Amazon.
A similar dynamic is playing in the GPU space as Amazon,
Google, and other customers are looking at Nvidia’s high
margins as their opportunity. Google’s TPU and Amazon’s
Inferentia chips show that, while the machine learning market is
growing, a high margin product line such as the one offered by
Nvidia may not be attractive to hyperscalers who have the
capability to build their own internal solutions. Unfortunately,
for Nvidia investors, hyperscalers are a large part of the ML TAM.
In the past, we have questioned why Nvidia is not
seeing meaningful growth in a market with torrid
growth. This dynamic, we believe, is one of the answers.
While there is a strong appeal on the part of companies
and investors to chase high margin opportunities, in a world where
customers can create competitive products, suppliers of high margin
products may find their valuations crumbling.
This does not mean high margins are not possible.
Companies can command high margins if they have unique solutions
that are difficult to emulate. Intel was in the enviable position
for decades. However, with its process advantage now gone and
design leadership in question, maintaining high margins would be
difficult. Nvidia is in a tougher position given that its solutions
are more easily substitutable.
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