AMZN vs WDC: Which Is the Better Buy?
Side-by-side comparison of Amazon.com, Inc. and Western Digital Corporation β fair value, conviction, valuation metrics, and QuantHub research signals.
Updated 2026-08-06.
Amazon.com, Inc. Β· Consumer Cyclical
$242.67
+22.0% upside to fair value
Grade B
High Quality
VS
Western Digital Corporation Β· Technology
$519.17
-28.7% upside to fair value
Med Conviction
Grade C+
QuantHub Verdict
AMZN has more upside to fair value
(+22.0%).
WDC trades at a lower forward P/E
(27.8x).
These are model outputs β not personalized investment advice.
See all research β
Valuation & Fundamentals
| Metric |
AMZN |
WDC |
| Current Price |
$242.67 |
$519.17 |
| Fair Value Estimate |
$295.95 |
$370.00 |
| Upside to Fair Value |
+22.0%
|
-28.7%
|
| Market Cap |
$2,610.4B |
$178.9B |
| Forward P/E |
28.7x
|
27.8x
|
| EV / EBITDA |
14.4x
|
37.3x
|
| Price / Sales |
3.5x
|
13.9x
|
| Price / FCF |
-1056.0x
|
51.0x
|
| Revenue Growth YoY |
+16.6%
|
+35.7%
|
| Gross Margin |
50.6%
|
48.9%
|
| Operating Margin |
11.5%
|
34.9%
|
| Return on Equity |
23.3%
|
43.4%
|
| Dividend Yield |
0% |
0.1% |
| FCF Yield |
β
|
2.0%
|
| Analyst Consensus |
Strong Buy
|
Buy
|
Investment Thesis
Amazon.com, Inc. operates a diversified platform with core engines in retail, AWS cloud services, and advertising, leveraging a strong competitive moat driven by scale, logistics, and technology leadership. The company exhibits high business quality with 23.3% ROE, 16.6% revenue growth, and 76.7% earnings growth in the most recent quarter, supported by a widening moat in e-commerce and cloud. Desβ¦
Western Digital is now a pure-play, duopoly hard-disk-drive manufacturer, having spun off its NAND flash business as SanDisk in February 2025 and sold its remaining SanDisk stake for $3.1 billion in February 2026. It is riding the same AI-storage supercycle as SanDisk and Micron, but from the mass-capacity nearline HDD side: hyperscalers are buying every high-capacity drive WDC can make for AI daβ¦
Accumulation Zones
| Metric |
AMZN |
WDC |
| Zone Low |
$221.96 |
$278.00 |
| Zone High |
$251.56 |
$315.00 |
| In Buy Zone? |
Yes
|
No
|