Ian Mahinmi vs. Robert Williams III Season by Season Comparison

Side by side comparison of each NBA season of Robert Williams III and Ian Mahinmi, from their rookie seasons to their last year played, in chronological order with awards, stats, championships and playoff performance of their teams every year.

Player comparisons:
Career comparison / Season by season / Games against each other

Who had the better rookie season? Who had best stats in their 10th season? Who won a championship first? These questions and many others, are answered here.

Ian Mahinmi played 12 years in the NBA, 6 more than Robert Williams III, who played 6. Ian Mahinmi had the first of his seasons in 2007-08, while Robert Williams III had his rookie season in 2018-19. With that starting point, here you can take a look at each of their seasons side by side and compare how their careers evolved in achivements, awards and championships won, the stats they recorded both in the Regular Season and the Playoffs and how their teams performed in the postseason.

Their Careers

Player		 Total Seasons Playoffs Played NBA Years
Ian Mahinmi 12 8 2007-08 to 2019-20
Robert Williams III 6 5 2018-19 to 2023-24

Comparison Season by Season

Jump to season:
1-2-3-4-5-6-7-8-9-10-11-12

Rookie Season
Ian Mahinmi Robert Williams III
Season 2007-082018-19
Team San Antonio SpursBoston Celtics
Honors & Awards
Playoffs Did Not PlayCeltics Lost East Conf Semis
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 6 3.8 3.5 0.0 0.8 0.8 0.2 0.0 0.7 0.3 0.7 1.0 2.0 .500 0.0 0.0 - 1.5 1.5 1.000
Robert Williams III 32 8.8 2.5 0.8 1.7 2.5 0.2 0.3 1.3 0.3 1.1 1.1 1.6 .706 0.0 0.0 - 0.3 0.5 .600
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi ------- --- ----------
Robert Williams III 3 4.3 1.3 0.3 2.0 2.3 0.0 0.0 0.0 0.0 0.3 0.3 0.7 .500 0.0 0.0 - 0.7 0.7 1.000

Note: Ian Mahinmi didn't play in 2008-09.

Season 2
Ian Mahinmi Robert Williams III
Season 2009-102019-20
Team San Antonio SpursBoston Celtics
Honors & Awards
Playoffs Spurs Lost West Conf SemisCeltics Lost East Conf Finals
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 26 6.3 3.9 0.5 1.5 2.0 0.1 0.1 0.3 0.6 1.2 1.3 2.1 .636 0.0 0.0 - 1.2 1.8 .660
Robert Williams III 29 13.4 5.2 1.4 3.0 4.4 0.9 0.8 1.2 0.7 1.8 2.2 3.0 .727 0.0 0.0 - 0.8 1.2 .647
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 2 9.5 4.5 0.0 1.0 1.0 0.0 0.0 0.5 1.0 1.5 1.5 3.0 .500 0.0 0.0 - 1.5 2.0 .750
Robert Williams III 13 11.5 3.7 1.7 2.2 3.9 0.8 0.2 0.5 0.5 1.4 1.8 2.4 .742 0.0 0.1 .000 0.2 0.5 .333

Season 3
Ian Mahinmi Robert Williams III
Season 2010-112020-21
Team Dallas MavericksBoston Celtics
Honors & Awards
Playoffs NBA Champion NBA ChampionCeltics Lost East Conf 1st Rd
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 56 8.7 3.1 0.8 1.4 2.1 0.1 0.3 0.3 0.4 1.9 1.0 1.8 .561 0.0 0.0 .000 1.1 1.5 .768
Robert Williams III 52 18.9 8.0 2.6 4.3 6.9 1.8 0.8 1.8 1.0 2.0 3.6 5.0 .721 0.0 0.0 .000 0.9 1.4 .616
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 6 5.5 1.8 0.5 0.5 1.0 0.0 0.2 0.0 0.0 2.7 0.5 0.8 .600 0.0 0.0 - 0.8 1.5 .556
Robert Williams III 3 15.3 6.3 2.7 2.3 5.0 0.7 0.3 3.0 0.3 2.3 3.0 4.7 .643 0.0 0.0 - 0.3 0.7 .500

Season 4
Ian Mahinmi Robert Williams III
Season 2011-122021-22
Team Dallas MavericksBoston Celtics
Honors & Awards -Achievement All-Defensive Second Team
Playoffs Mavericks Lost West Conf 1st RdCeltics Lost NBA Finals
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 61 18.7 5.8 1.8 3.0 4.7 0.2 0.6 0.5 0.8 2.9 2.1 3.9 .546 0.0 0.0 .000 1.5 2.4 .639
Robert Williams III 61 29.6 10.0 3.9 5.7 9.6 2.0 0.9 2.2 1.0 2.2 4.4 6.0 .736 0.0 0.0 .000 1.1 1.5 .722
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 4 17.5 7.3 2.3 2.3 4.5 0.0 0.8 0.8 0.3 3.3 2.3 3.5 .643 0.0 0.0 - 2.8 3.3 .846
Robert Williams III 17 23.2 7.7 2.5 3.6 6.2 1.0 0.7 2.2 0.6 2.0 3.1 4.6 .679 0.0 0.1 .000 1.5 1.6 .893

Season 5
Ian Mahinmi Robert Williams III
Season 2012-132022-23
Team Indiana PacersBoston Celtics
Honors & Awards
Playoffs Pacers Lost East Conf FinalsCeltics Lost East Conf Finals
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 80 16.5 5.0 1.4 2.5 3.9 0.3 0.5 0.8 1.2 2.5 1.9 4.1 .453 0.0 0.0 .000 1.3 2.1 .608
Robert Williams III 35 23.5 8.0 3.0 5.4 8.3 1.4 0.6 1.4 1.0 1.9 3.6 4.9 .747 0.0 0.0 .000 0.7 1.2 .610
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 18 8.3 1.6 1.1 1.2 2.3 0.1 0.0 0.7 0.7 1.6 0.7 1.6 .448 0.0 0.0 - 0.2 0.6 .300
Robert Williams III 20 20.9 7.7 1.8 4.2 6.0 1.0 0.5 1.3 0.8 2.2 3.4 4.3 .788 0.0 0.1 .000 1.0 1.4 .679

Season 6
Ian Mahinmi Robert Williams III
Season 2013-142023-24
Team Indiana PacersPortland Trail Blazers
Honors & Awards
Playoffs Pacers Lost East Conf FinalsDid Not Play
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 77 16.2 3.5 1.4 1.9 3.3 0.3 0.5 0.9 0.8 2.7 1.2 2.5 .481 0.0 0.0 .000 1.2 1.9 .621
Robert Williams III 6 19.8 6.8 1.8 4.5 6.3 0.8 1.2 1.2 1.2 2.8 2.8 4.3 .654 0.0 0.0 - 1.2 1.5 .778
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 19 12.7 1.9 1.2 1.2 2.4 0.2 0.3 0.8 0.5 2.0 0.7 1.4 .481 0.0 0.0 - 0.6 0.9 .611
Robert Williams III ------- --- ----------

Season 7
Ian Mahinmi Robert Williams III
Season 2014-15-
Team Indiana Pacers-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 61 18.8 4.3 1.7 4.1 5.8 0.5 0.5 0.8 1.0 2.8 1.9 3.5 .552 0.0 0.0 - 0.5 1.7 .304
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi ------- --- ----------
Robert Williams III ------- --- ----------

Season 8
Ian Mahinmi Robert Williams III
Season 2015-16-
Team Indiana Pacers-
Honors & Awards
Playoffs Pacers Lost East Conf 1st Rd-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 71 25.6 9.3 1.9 5.2 7.1 1.5 0.9 1.1 1.4 3.1 3.7 6.3 .589 0.0 0.0 - 1.9 3.2 .587
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 7 24.6 8.1 1.7 3.4 5.1 1.1 0.7 0.9 2.0 3.6 3.0 6.0 .500 0.0 0.0 - 2.1 3.6 .600
Robert Williams III ------- --- ----------

Season 9
Ian Mahinmi Robert Williams III
Season 2016-17-
Team Washington Wizards-
Honors & Awards
Playoffs Wizards Lost East Conf Semis-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 31 17.9 5.6 1.5 3.3 4.8 0.6 1.1 0.8 1.1 2.9 2.1 3.6 .586 0.0 0.0 - 1.4 2.4 .573
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 5 12.6 2.8 0.6 1.6 2.2 1.2 0.2 1.2 0.6 3.4 1.0 1.8 .556 0.0 0.0 - 0.8 2.2 .364
Robert Williams III ------- --- ----------

Season 10
Ian Mahinmi Robert Williams III
Season 2017-18-
Team Washington Wizards-
Honors & Awards
Playoffs Wizards Lost East Conf 1st Rd-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 77 14.9 4.8 1.8 2.3 4.1 0.7 0.5 0.5 1.3 3.0 1.8 3.2 .556 0.0 0.0 .000 1.2 1.7 .703
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 6 8.7 5.0 0.7 1.2 1.8 0.2 0.7 0.8 0.2 1.7 1.7 2.3 .714 0.0 0.0 - 1.7 1.8 .909
Robert Williams III ------- --- ----------

Season 11
Ian Mahinmi Robert Williams III
Season 2018-19-
Team Washington Wizards-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 34 14.6 4.1 1.4 2.4 3.8 0.7 0.7 0.5 0.6 2.5 1.4 3.1 .452 0.1 0.5 .188 1.2 1.8 .689
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi ------- --- ----------
Robert Williams III ------- --- ----------

Season 12
Ian Mahinmi Robert Williams III
Season 2019-20-
Team Washington Wizards-
Honors & Awards
Playoffs Did Not Play-
more >>
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi 38 21.3 7.4 2.1 3.7 5.7 1.3 0.8 1.2 1.2 3.0 2.7 5.5 .495 0.1 0.7 .192 1.8 3.0 .619
Robert Williams III ------- --- ----------
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TO PF FGM / A % 3PM / A % FTM / A %
Ian Mahinmi ------- --- ----------
Robert Williams III ------- --- ----------
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