Is FFIV or FSLR cheaper?

On trailing earnings, FSLR is cheaper: FFIV trades at a 33.56 P/E and FSLR at 13.69.

Which has grown faster, FFIV or FSLR?

Over the past five years, FSLR grew revenue faster — FFIV at a 5.49% CAGR versus FSLR at 12.69%.

Is FFIV or FSLR more profitable?

FSLR runs the higher net margin — FFIV at 21.96% versus FSLR at 30.73%.

Which has been the better investment, FFIV or FSLR?

Over the past 10-year, FSLR delivered the higher annualized total return — FFIV at 13.39% versus FSLR at 16.07%. Past performance doesn't predict future results.

F5, Inc. (FFIV) vs First Solar, Inc. (FSLR)

FSLR leads on 14 of 16 compared metrics.

A side-by-side comparison of F5, Inc. and First Solar, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of July 18, 2026. The ● marks the stronger figure on each row (cheaper multiple, higher margin/return).

FFIV

F5, Inc.

$23.08B

$409.10TechnologyAt close: Jul 17, 2026, 4:00 PM ET

FSLR

First Solar, Inc.

$22.78B

$211.99TechnologyAt close: Jul 17, 2026, 4:00 PM ET

Total return — FFIV vs FSLR

growth of $100 · dividends reinvested · last 20y

FFIV +1036.2%FSLR +756.9%FFIV compounded faster

FFIV FSLR

FFIV vs FSLR: by the numbers

•FFIV is the larger company ($23.08B vs $22.78B market cap).
•FSLR trades at the lower earnings multiple (13.69 vs 33.56 P/E).
•FSLR converts more revenue to profit (30.73% vs 21.96% net margin).
•FSLR grew revenue faster over the past five years (12.69% vs 5.49% CAGR).

Which is better, FFIV or FSLR?

Metric tally: FFIV 2 · FSLR 14

It depends on what you're optimizing for:

ValueFSLR(lower P/E)

GrowthFSLR(faster 5Y revenue CAGR)

QualityFSLR(higher ROIC)

Metrics side by side

Valuation

Metric	FFIV	FSLR
P/E ratio	33.56	13.69●
Forward P/E	24.81	11.98●
P/S ratio	7.27	4.21●
P/B ratio	6.42	2.31●
PEG ratio	1.13	1.01●
EV / EBITDA	24.97	8.89●
FCF yield	4.11%	7.31%●

Profitability

Metric	FFIV	FSLR
Gross margin	81.90%●	41.73%
Operating margin	24.65%	33.17%●
Net margin	21.96%	30.73%●
ROE	19.41%●	16.86%
ROIC	13.85%	14.42%●

Growth (annualized)

Metric	FFIV	FSLR
Revenue CAGR (5Y)	5.49%	12.69%●
EPS CAGR (5Y)	18.82%	30.54%●
FCF CAGR (5Y)	11.35%	55.54%●
Total return CAGR (5Y)	17.11%	20.48%●

Frequently asked

Which is better, FFIV or FSLR?: It depends on your goal. value: FSLR (lower P/E); growth: FSLR (faster 5Y revenue CAGR); quality: FSLR (higher ROIC). Across all compared metrics, FSLR leads 14 to 2.
Is FFIV or FSLR cheaper?: On trailing earnings, FSLR is cheaper: FFIV trades at a 33.56 P/E and FSLR at 13.69.
Which has grown faster, FFIV or FSLR?: Over the past five years, FSLR grew revenue faster — FFIV at a 5.49% CAGR versus FSLR at 12.69%.
Is FFIV or FSLR more profitable?: FSLR runs the higher net margin — FFIV at 21.96% versus FSLR at 30.73%.
Which has been the better investment, FFIV or FSLR?: Over the past 10-year, FSLR delivered the higher annualized total return — FFIV at 13.39% versus FSLR at 16.07%. Past performance doesn't predict future results.

Go deeper

Full FFIV analysis Full FSLR analysis Interactive comparison tool

Dig into the metrics

F5 P/E ratio First Solar P/E ratio F5 dividend yield First Solar dividend yield F5 ROE First Solar ROE F5 operating margin First Solar operating margin F5 revenue growth First Solar revenue growth F5 free cash flow First Solar free cash flow

F5 & First Solar appear in these rankings

Highest Operating Margin Stocks Highest FCF Yield Stocks Best 10-Year Total Return Stocks Lowest P/E Ratio Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified July 18, 2026.