WallStSmart

Rio Tinto ADR (RIO)vsAT&T Inc. (T)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

AT&T Inc. generates 120% more annual revenue ($126.53B vs $57.64B). RIO leads profitability with a 17.3% profit margin vs 16.9%. T appears more attractively valued with a PEG of 1.81. T earns a higher WallStSmart Score of 64/100 (C+).

RIO

Buy

54

out of 100

Grade: C-

Growth: 4.0Profit: 8.0Value: 6.7Quality: 5.0

T

Buy

64

out of 100

Grade: C+

Growth: 3.3Profit: 7.5Value: 7.3Quality: 5.0
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

RIOUndervalued (+33.7%)

Margin of Safety

+33.7%

Fair Value

$147.89

Current Price

$105.38

$42.51 discount

UndervaluedFair: $147.89Overvalued
TUndervalued (+21.5%)

Margin of Safety

+21.5%

Fair Value

$32.17

Current Price

$25.16

$7.01 discount

UndervaluedFair: $32.17Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

RIO5 strengths · Avg: 8.2/10
Market CapQuality
$171.59B9/10

Large-cap with strong market position

P/E RatioValuation
17.3x8/10

Attractively priced relative to earnings

Price/BookValuation
2.8x8/10

Reasonable price relative to book value

Operating MarginProfitability
25.3%8/10

Strong operational efficiency at 25.3%

Free Cash FlowQuality
$2.53B8/10

Generating 2.5B in free cash flow

T5 strengths · Avg: 8.6/10
P/E RatioValuation
8.3x10/10

Attractively priced relative to earnings

Market CapQuality
$175.52B9/10

Large-cap with strong market position

Price/BookValuation
1.6x8/10

Reasonable price relative to book value

Operating MarginProfitability
22.7%8/10

Strong operational efficiency at 22.7%

Free Cash FlowQuality
$2.68B8/10

Generating 2.7B in free cash flow

Areas to Watch

RIO2 concerns · Avg: 2.0/10
PEG RatioValuation
5.692/10

Expensive relative to growth rate

EPS GrowthGrowth
-5.6%2/10

Earnings declined 5.6%

T3 concerns · Avg: 3.3/10
PEG RatioValuation
1.814/10

Expensive relative to growth rate

Revenue GrowthGrowth
2.9%4/10

2.9% revenue growth

EPS GrowthGrowth
-11.3%2/10

Earnings declined 11.3%

Comparative Analysis Report

WallStSmart Research

Bull Case : RIO

The strongest argument for RIO centers on Market Cap, P/E Ratio, Price/Book. Profitability is solid with margins at 17.3% and operating margin at 25.3%. Revenue growth of 14.6% demonstrates continued momentum.

Bull Case : T

The strongest argument for T centers on P/E Ratio, Market Cap, Price/Book. Profitability is solid with margins at 16.9% and operating margin at 22.7%.

Bear Case : RIO

The primary concerns for RIO are PEG Ratio, EPS Growth.

Bear Case : T

The primary concerns for T are PEG Ratio, Revenue Growth, EPS Growth.

Key Dynamics to Monitor

RIO profiles as a mature stock while T is a value play — different risk/reward profiles.

RIO carries more volatility with a beta of 0.63 — expect wider price swings.

RIO is growing revenue faster at 14.6% — sustainability is the question.

T generates stronger free cash flow (2.7B), providing more financial flexibility.

Bottom Line

T scores higher overall (64/100 vs 54/100), backed by strong 16.9% margins. RIO offers better value entry with a 33.7% margin of safety. Both earn "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.

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.

AT&T Inc.

COMMUNICATION SERVICES · TELECOM SERVICES · USA

AT&T Inc. is an American multinational conglomerate holding company, Delaware-registered but headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world largest telecommunications company, and the second largest provider of mobile telephone services.

Want to dig deeper into these stocks?