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NBA player comparison

Charles Barkley vs. Tim Duncan: Career comparison

hussEyquationCareer impact · regular season
Regular-season verdict

Charles Barkley ranks higher in career impact

Impact comparison
#29LeadsCareer Impact RankPeak-weighted regular-season rank#30
+9.0LeadsPeak era-centered impactEstimated points per 100 possessions above that season's league average+7.7
+7.4LeadsBest 5 average impact+7.0
+6,058 ptsPoints above replacementCumulative regular-season value+6,394 ptsLeads
9Top-10 impact seasons10Leads
3.3Best 3 average finishAverage league place; closer to No. 1 is better3.3

Career Impact Rank places Charles Barkley #29 and Tim Duncan #30. It combines league finishes across each player's best three, five, and ten regular seasons, giving the most weight to the best three. Tim Duncan had more total career value.

Regular season only. Impact figures are estimates; small gaps are not exact. Playoffs, awards and titles do not determine the verdict.

Career impact · regular seasonhusseyquation.com/compare/charles-barkley/tim-duncan/career
Career Impact RankSee exactly how both rankings are calculatedCharles Barkley4.007 · No. 29Tim Duncan4.067 · No. 30

Only the three league-finish windows below determine Career Impact Rank. Career Value and peak impact are separate measures; neither adds points to this calculation. Lower composite scores rank higher.

Charles Barkley

4.007 composite · No. 29 all-time

Charles Barkley's Career Composite windows
Window and finishes usedAverage finishWeightContribution
Best 3No. 21990–91Recorded box inputsIncludes bounded historical defense estimateNo. 41987–88Recorded box inputsIncludes bounded historical defense estimateNo. 41992–93Recorded box inputsIncludes bounded historical defense estimate3.33350%1.667
Best 5No. 21990–91Recorded box inputsIncludes bounded historical defense estimateNo. 41987–88Recorded box inputsIncludes bounded historical defense estimateNo. 41992–93Recorded box inputsIncludes bounded historical defense estimateNo. 51988–89Recorded box inputsIncludes bounded historical defense estimateNo. 51989–90Recorded box inputsIncludes bounded historical defense estimate4.00030%1.200
Best 10No. 21990–91Recorded box inputsIncludes bounded historical defense estimateNo. 41987–88Recorded box inputsIncludes bounded historical defense estimateNo. 41992–93Recorded box inputsIncludes bounded historical defense estimateNo. 51988–89Recorded box inputsIncludes bounded historical defense estimateNo. 51989–90Recorded box inputsIncludes bounded historical defense estimateNo. 51991–92Recorded box inputsIncludes bounded historical defense estimateNo. 71985–86Recorded box inputsIncludes bounded historical defense estimateNo. 71986–87Recorded box inputsIncludes bounded historical defense estimateNo. 71994–95Recorded box inputsIncludes bounded historical defense estimateNo. 111993–94Recorded box inputsIncludes bounded historical defense estimate5.70020%1.140

1.667 + 1.200 + 1.140= 4.007

Tim Duncan

4.067 composite · No. 30 all-time

Tim Duncan's Career Composite windows
Window and finishes usedAverage finishWeightContribution
Best 3No. 22003–04Recorded box inputsIncludes bounded historical defense estimateNo. 42004–05Recorded box inputsIncludes bounded historical defense estimateNo. 42012–13Recorded box inputsIncludes bounded historical defense estimate3.33350%1.667
Best 5No. 22003–04Recorded box inputsIncludes bounded historical defense estimateNo. 42004–05Recorded box inputsIncludes bounded historical defense estimateNo. 42012–13Recorded box inputsIncludes bounded historical defense estimateNo. 52001–02Recorded box inputsIncludes bounded historical defense estimateNo. 62002–03Recorded box inputsIncludes bounded historical defense estimate4.20030%1.260
Best 10No. 22003–04Recorded box inputsIncludes bounded historical defense estimateNo. 42004–05Recorded box inputsIncludes bounded historical defense estimateNo. 42012–13Recorded box inputsIncludes bounded historical defense estimateNo. 52001–02Recorded box inputsIncludes bounded historical defense estimateNo. 62002–03Recorded box inputsIncludes bounded historical defense estimateNo. 62006–07Recorded box inputsIncludes bounded historical defense estimateNo. 62008–09Recorded box inputsIncludes bounded historical defense estimateNo. 62009–10Recorded box inputsIncludes bounded historical defense estimateNo. 82007–08Recorded box inputsIncludes bounded historical defense estimateNo. 102014–15Recorded box inputsIncludes bounded historical defense estimate5.70020%1.140

1.667 + 1.260 + 1.140= 4.067

Averages, contributions, and totals are displayed to three decimal places. The ranking calculation keeps full source precision. Read the full method →

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Full comparison · Career comparison

Understand the numbers

Start with impact, then compare playing time and skills. Team results add context. These are not categories to tally into a winner.

1 · Ranking evidence

Impact: who ranks higher, and why?

Career Impact Rank compares entire regular-season careers across NBA history. It combines average league places across the best three, five, and ten seasons, weighted 50%, 30%, and 20%. A lower rank or average place is better.

Impact: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Career Impact RankPeak-weighted regular-season rank#29Better result for this metric.#30
Best 3 average finish3.33.3
Best 5 average finish4.0Better result for this metric.4.2
Best 10 average finish5.75.7
Show more stats: Impact
Impact: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Points-above-replacement rankAll-time rank in estimated regular-season points above replacement#23#15Better result for this metric.
Peak era-centered impactEstimated points per 100 possessions above that season's league average+9.0Better result for this metric.+7.7
Best 3 average impact+7.8Better result for this metric.+7.2
Best 5 average impact+7.4Better result for this metric.+7.0
Best 10 average impact+6.6Better result for this metric.+6.1
Points above replacementRegular season · fixed -2.0 replacement baseline · higher is better+6,058 pts+6,394 ptsBetter result for this metric.
Seasons ranked No. 100
Top-five impact seasons6Better result for this metric.4
Top-ten impact seasons910Better result for this metric.

2 · Playing time and responsibility

How much did each player take on?

Read games and minutes alongside impact. Offensive usage is the share of team plays a player ends with a shot, free throws, or a turnover while on court. More usage is not automatically better.

Playing time and workload: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Games1,0731,392
Minutes39,33047,368

3 · Individual skills

Where does each player have an advantage?

These are each player's averages across up to ten best seasons. Career Impact Rank gives the Best 3, Best 5, and Best 10 average league finishes 50%, 30%, and 20% window weights, giving the most weight to the highest peak. The model accounts for position, role, pace, playing time, and team results. Green marks the better result for a metric, including lower turnover rates. Workload and shot-selection measures stay neutral. These rows are not votes toward the ranking.

Shooting

True shooting includes two-pointers, three-pointers, and free throws.

Shooting: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
True shooting percentage61.2%Better result for this metric.55.1%
True shootingAverage across the best impact seasons selected for the model input profile62.2%Better result for this metric.55.6%
Show more stats: Shooting
Shooting: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Field-goal percentage54.1%Better result for this metric.50.6%
Three-point percentage26.6%Better result for this metric.17.9%
Free-throw percentage73.5%Better result for this metric.69.6%

Passing

Assist rate is the share of teammates’ made shots assisted while the player is on court. Read turnovers alongside offensive workload; lower turnover rate is generally better.

Passing: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Assist rateAverage across the best impact seasons selected for the model input profile18.1%Better result for this metric.17.5%
Assists per game3.9Better result for this metric.3.0
Show more stats: Passing
Passing: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Turnover rateAverage across the best impact seasons selected for the model input profile14.2%11.8%Better result for this metric.

Rebounding

Rebound rate is the share of available rebounds collected while on court.

Rebounding: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Rebound rateAverage across the best impact seasons selected for the model input profile18.0%18.8%Better result for this metric.
Rebounds per game11.7Better result for this metric.10.8

Defense

Steals and blocks describe only part of defense. They do not capture every stop, rotation, or matchup.

Defense: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Steal rateAverage across the best impact seasons selected for the model input profile2.1%Better result for this metric.1.1%
Show more stats: Defense
Defense: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Block rateAverage across the best impact seasons selected for the model input profile1.4%4.6%Better result for this metric.

Scoring

Points per game describe scoring volume, not overall impact.

Scoring: Charles Barkley and Tim Duncan
MetricCharles BarkleyTim Duncan
Points per game22.1Better result for this metric.19.0

4 · Team context, not ranking inputs

What happened with and without them?

A verified with/without comparison is unavailable for this scope. We do not substitute another season’s observations.

Four separate questions

Impact, winning, playoffs, and awards

These are different ways to understand a career. Only Regular Season Impact determines the hussEyquation verdict. The other three sections add basketball context without adding points or changing the rank.

Ranking result

Regular Season Impact

Charles Barkley ranks higher in career impact.

Charles BarkleyMetricTim Duncan
#29LeadsCareer Impact RankPeak-weighted regular-season rank#30
+9.0LeadsPeak era-centered impactEstimated points per 100 possessions above that season's league average+7.7
+7.4LeadsBest 5 average impact+7.0
+6,058 ptsPoints above replacementRegular season · fixed -2.0 replacement baseline · higher is better+6,394 ptsLeads

This is the ranking result. It uses regular-season impact only. Team records, playoffs, and awards do not change it.

Context

Team Success

Tim Duncan leads every available measure below.

Charles BarkleyMetricTim Duncan
752Listed-team regular-season wins1,072Leads
58.8%Listed-team winning percentage71.0%Leads
750-win team seasons18Leads
160-win team seasons5Leads
13Playoff team seasons19Leads

Context only. Not included in Career Impact Rank. Final records for every listed team-season. A traded season can include more than one team.

Context

Playoff Résumé

Tim Duncan leads every available measure below.

Charles BarkleyMetricTim Duncan
13Playoff appearances18Leads
123Playoff games251Leads
62Team playoff wins157Leads
1Finals appearances6Leads
0Championships5Leads

Context only. Not included in Career Impact Rank. Team playoff results count only seasons when the player appeared in a playoff game.

Context

Awards

Tim Duncan leads every available measure below.

Charles BarkleyMetricTim Duncan
11All-Star15Leads
1MVP2Leads
11All-NBA15Leads
0All-Defense15Leads
0DPOY0
0Rookie of the Year1Leads

Context only. Not included in Career Impact Rank. Major regular-season honors are recognition, not inputs to the impact ranking.

How each context field is counted
Listed-team regular-season wins
The sum of each listed team's final wins in every season the player represented that team.
Listed-team winning percentage
Those team wins divided by those teams' total regular-season games.
50- and 60-win team seasons
Listed team-seasons that finished with at least 50 or 60 wins. Shortened seasons are not projected to 82 games.
Team seasons reaching playoffs
Listed team-seasons in which that team qualified for the playoffs.
Playoff appearances and games
Postseasons and games in which the player appeared.
Team playoff wins
Team wins from those postseasons. They describe team results, not individual credit.
Finals appearances and championships
Seasons when the player appeared in the playoffs for the finalist or champion.
Awards
Recorded NBA selections and major regular-season honors. A zero means the source records none; Not available means the source field is missing.

Source and scope Basketball Reference, NBA seasons 1950–51 through 2025–26, accessed 2026-10-09.

Career Shape Explorer

How the careers developed

Follow every regular season by NBA experience or age. This view describes the path; it does not create another verdict.

View
Align careers by
Charles BarkleyTim DuncanPeak seasonHistorical source qualification

Estimated points per 100 possessions above that season's league average

S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19

Striped bars mark seasons with fewer than 40 games. A dashed mark means that player had no season at the aligned point.

S means NBA season number; A means player age. Peak labels identify each player's accepted best season. Hover or focus any pair for season detail, or open Season timeline for the complete evidence ledger.