WallStSmart

Gold Fields Ltd ADR (GFI)vsRio Tinto ADR (RIO)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

Rio Tinto ADR generates 443% more annual revenue ($61.79B vs $11.37B). GFI leads profitability with a 38.7% profit margin vs 19.6%. RIO appears more attractively valued with a PEG of 5.69. GFI earns a higher WallStSmart Score of 74/100 (B).

GFI

Strong Buy

74

out of 100

Grade: B

Growth: 10.0Profit: 10.0Value: 5.7Quality: 7.5
Piotroski: 5/9Altman Z: 3.03

RIO

Buy

64

out of 100

Grade: C+

Growth: 7.3Profit: 9.0Value: 6.0Quality: 5.5
Piotroski: 1/9Altman Z: 2.03
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

Intrinsic value data unavailable for GFI.

RIOUndervalued (+29.2%)

Margin of Safety

+29.2%

Fair Value

$138.61

Current Price

$99.96

$38.65 discount

UndervaluedFair: $138.61Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

GFI6 strengths · Avg: 10.0/10
P/E RatioValuation
9.7x10/10

Attractively priced relative to earnings

Return on EquityProfitability
57.2%10/10

Every $100 of equity generates 57 in profit

Profit MarginProfitability
38.7%10/10

Keeps 39 of every $100 in revenue as profit

Operating MarginProfitability
55.0%10/10

Strong operational efficiency at 55.0%

Revenue GrowthGrowth
78.9%10/10

Revenue surging 78.9% year-over-year

EPS GrowthGrowth
81.4%10/10

Earnings expanding 81.4% YoY

RIO6 strengths · Avg: 8.5/10
Return on EquityProfitability
34.1%10/10

Every $100 of equity generates 34 in profit

Market CapQuality
$167.95B9/10

Large-cap with strong market position

P/E RatioValuation
14.0x8/10

Attractively priced relative to earnings

Price/BookValuation
2.5x8/10

Reasonable price relative to book value

Operating MarginProfitability
28.1%8/10

Strong operational efficiency at 28.1%

Revenue GrowthGrowth
15.5%8/10

15.5% revenue growth

Areas to Watch

GFI2 concerns · Avg: 3.0/10
Price/BookValuation
8.9x4/10

Trading at 8.9x book value

PEG RatioValuation
11.592/10

Expensive relative to growth rate

RIO2 concerns · Avg: 2.5/10
Piotroski F-ScoreQuality
1/93/10

Weak financial health signals

PEG RatioValuation
5.692/10

Expensive relative to growth rate

Comparative Analysis Report

WallStSmart Research

Bull Case : GFI

The strongest argument for GFI centers on P/E Ratio, Return on Equity, Profit Margin. Profitability is solid with margins at 38.7% and operating margin at 55.0%. Revenue growth of 78.9% demonstrates continued momentum.

Bull Case : RIO

The strongest argument for RIO centers on Return on Equity, Market Cap, P/E Ratio. Profitability is solid with margins at 19.6% and operating margin at 28.1%. Revenue growth of 15.5% demonstrates continued momentum.

Bear Case : GFI

The primary concerns for GFI are Price/Book, PEG Ratio.

Bear Case : RIO

The primary concerns for RIO are Piotroski F-Score, PEG Ratio.

Key Dynamics to Monitor

RIO carries more volatility with a beta of 0.66 — expect wider price swings.

GFI is growing revenue faster at 78.9% — sustainability is the question.

RIO generates stronger free cash flow (3.2B), providing more financial flexibility.

Monitor GOLD industry trends, competitive dynamics, and regulatory changes.

Bottom Line

GFI scores higher overall (74/100 vs 64/100), backed by strong 38.7% margins and 78.9% revenue growth. RIO offers better value entry with a 29.2% margin of safety. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

Gold Fields Ltd ADR

BASIC MATERIALS · GOLD · USA

Gold Fields Limited is a gold producer with reserves and resources in Chile, South Africa, Ghana, West Africa, Australia and Peru. The company is headquartered in Sandton, South Africa.

Visit Website →

Rio Tinto ADR

BASIC MATERIALS · OTHER INDUSTRIAL METALS & MINING · USA

Rio Tinto Group is dedicated to the exploration, extraction and processing of mineral resources worldwide. The company is headquartered in London, the United Kingdom.

Want to dig deeper into these stocks?