Isaiah Hartenstein vs. Justin Williams Comparison

Head-to-head comparison between the NBA stars Justin Williams and Isaiah Hartenstein that includes championships won, honors and awards obtained, regular season and playoffs stats and other data put side by side.

Who scored more points in his career? Who averaged more points in playoffs? Who won more championships? Who led the season more times? Who won more MVP awards? These questions and many more, are answered here. It includes NBA Championships, seasons, playoffs, awards, statistical data for points, rebounds, assists, steals, blocks and percentages.

Head-To-Head Career Comparison

NBA Timeline:	1946-47 2025-26
Isaiah Hartenstein: 2018-19 to 2025-26
Justin Williams: 2006-07 to 2007-08

NBA Championships and Seasons

NBA Championships Isaiah Hartenstein 1 Justin Williams 0

NBA Seasons Isaiah Hartenstein 8 Justin Williams 2

Playoffs Played Isaiah Hartenstein 4 Justin Williams 0

All-Star Games Isaiah Hartenstein 0 Justin Williams 0

NBA Regular Season Stats

Stats Per Game

Points Per Game Isaiah Hartenstein 7.1 Justin Williams 3.4

Rebounds Per Game Isaiah Hartenstein 6.6 Justin Williams 3.3

Assists Per Game Isaiah Hartenstein 2.1 Justin Williams 0.0

Steals Per Game Isaiah Hartenstein 0.7 Justin Williams 0.2

Blocks Per Game Isaiah Hartenstein 0.9 Justin Williams 0.4

Totals Stats

Total Points Isaiah Hartenstein 2,816 Justin Williams 165

Total Rebounds Isaiah Hartenstein 2,626 Justin Williams 164

Total Assists Isaiah Hartenstein 821 Justin Williams 2

Total Steals Isaiah Hartenstein 296 Justin Williams 10

Total Blocks Isaiah Hartenstein 366 Justin Williams 21

Total Games Isaiah Hartenstein 398 Justin Williams 49

Percentages

Field Goal Percentage Isaiah Hartenstein .598 Justin Williams .573

3-Point Percentage Isaiah Hartenstein .245 Justin Williams .000

Free Throw Percentage Isaiah Hartenstein .683 Justin Williams .348

Best Season (no game minimum)

Points Per Game Isaiah Hartenstein 12.2 (2026) Justin Williams 5.0 (2007)

Rebounds Per Game Isaiah Hartenstein 10.7 (2025) Justin Williams 4.4 (2007)

Assists Per Game Isaiah Hartenstein 3.8 (2025) Justin Williams 0.1 (2007)

Steals Per Game Isaiah Hartenstein 1.3 (2026) Justin Williams 0.2 (2008)

Blocks Per Game Isaiah Hartenstein 1.1 (2024) Justin Williams 0.6 (2007)

NBA Playoffs Stats

Stats Per Game

Points Per Game Isaiah Hartenstein 6.8 Justin Williams -

Rebounds Per Game Isaiah Hartenstein 6.7 Justin Williams -

Assists Per Game Isaiah Hartenstein 2.3 Justin Williams -

Steals Per Game Isaiah Hartenstein 0.7 Justin Williams -

Blocks Per Game Isaiah Hartenstein 0.8 Justin Williams -

Totals Stats

Total Points Isaiah Hartenstein 334 Justin Williams -

Total Rebounds Isaiah Hartenstein 327 Justin Williams -

Total Assists Isaiah Hartenstein 111 Justin Williams -

Total Steals Isaiah Hartenstein 32 Justin Williams -

Total Blocks Isaiah Hartenstein 39 Justin Williams -

Total Games Isaiah Hartenstein 49 Justin Williams 0

Percentages

Field Goal Percentage Isaiah Hartenstein .600 Justin Williams -

3-Point Percentage Isaiah Hartenstein .500 Justin Williams -

Free Throw Percentage Isaiah Hartenstein .750 Justin Williams -

Best Playoffs (no game minimum)

Points Per Game Isaiah Hartenstein 8.5 (2024) Justin Williams -

Rebounds Per Game Isaiah Hartenstein 7.8 (2024) Justin Williams -

Assists Per Game Isaiah Hartenstein 3.5 (2024) Justin Williams -

Steals Per Game Isaiah Hartenstein 0.8 (2025) Justin Williams -

Blocks Per Game Isaiah Hartenstein 1.4 (2023) Justin Williams -