ANET vs TSM: Which Is the Better Buy?
Side-by-side comparison of Arista Networks, Inc. and Taiwan Semiconductor Manufacturing Company Limited — fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-09-24.
Arista Networks, Inc. · Technology
$203.47
+15.4% upside to fair value
Med Conviction
Grade C
High Quality
VS
Taiwan Semiconductor Manufacturing Company Limited · Technology
$452.00
+13.9% upside to fair value
Med Conviction
Grade B
High Quality
QuantHub Verdict
ANET has more upside to fair value
(+15.4%).
These are model outputs — not personalized investment advice.
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Valuation & Fundamentals
| Metric |
ANET |
TSM |
| Current Price |
$203.47 |
$452.00 |
| Fair Value Estimate |
$234.80 |
$515.00 |
| Upside to Fair Value |
+15.4%
|
+13.9%
|
| Market Cap |
$256.2B |
$2,344.3B |
| Forward P/E |
—
|
—
|
| EV / EBITDA |
49.7x
|
19.2x
|
| Price / Sales |
24.3x
|
0.5x
|
| Price / FCF |
49.7x
|
2.1x
|
| Revenue Growth YoY |
+37.7%
|
+36.0%
|
| Gross Margin |
63.0%
|
64.2%
|
| Operating Margin |
43.1%
|
56.0%
|
| Return on Equity |
30.8%
|
39.3%
|
| Dividend Yield |
0% |
0.96% |
| FCF Yield |
2.01%
|
47.62%
|
| Analyst Consensus |
Strong Buy
|
Buy
|
Investment Thesis
Arista Networks designs and sells high-performance Ethernet switching and routing hardware plus its extensible EOS network operating system, and it sits directly in the path of the AI data-center build-out where networking, not compute, is increasingly the bottleneck. The business quality is genuinely high: TTM gross margin of 63.0%, TTM operating margin of 43.1%, TTM net margin of 38.4%, and ROE…
Taiwan Semiconductor Manufacturing Company is the world's largest contract chipmaker, manufacturing advanced logic, mixed-signal, RF, and embedded memory wafers for high-performance computing, smartphones, IoT, and automotive customers from a base of 65,152 employees headquartered in Hsinchu, Taiwan. The business quality is exceptionally high: TTM gross margin is 64.2%, TTM operating margin is 56…
Accumulation Zones
| Metric |
ANET |
TSM |
| Zone Low |
$176.10 |
$386.25 |
| Zone High |
$199.58 |
$437.75 |
| In Buy Zone? |
No
|
No
|