Isaiah Hartenstein vs. Kristaps Porzingis Season by Season Comparison

Side by side comparison of each NBA season of Kristaps Porzingis and Isaiah Hartenstein, 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 / Scoring / Stats / Stats Rankings / 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.

Isaiah Hartenstein played 8 years in the NBA, 2 less than Kristaps Porzingis, who played 10. Isaiah Hartenstein had the first of his seasons in 2018-19, while Kristaps Porzingis had his rookie season in 2015-16. 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 achievements, 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
Isaiah Hartenstein 8 4 2018-19 to 2025-26
Kristaps Porzingis 10 4 2015-16 to 2025-26

Comparison Season by Season

Jump to season:

1-2-3-4-5-6-7-8

Rookie Season
Isaiah Hartenstein Kristaps Porzingis
Season 2018-192015-16
Team Houston RocketsNew York Knicks
Honors & Awards -Achievement All-Rookie First Team
Playoffs Rockets Lost West Conf SemisDid Not Play
more >>
Rookie Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 28 7.9 1.9 0.8 0.9 1.7 0.5 0.3 0.4 0.5 2.0 0.7 1.5 .488 0.1 0.2 .333 0.4 0.5 .786
difference:+44+20.5+12.4+1.0+4.6+5.6+0.8+0.4+1.5-1.2-0.8+4.5+10.8+.067+1.0+3.2+2.4+2.8+.052
Kristaps Porzingis 72 28.4 14.3 1.8 5.5 7.3 1.3 0.7 1.9 1.7 2.8 5.2 12.3 .421 1.1 3.4 .333 2.8 3.3 .838
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 2 1.0 2.0 0.5 0.0 0.5 0.0 0.0 0.0 0.0 0.5 1.0 1.0 1.000 0.0 0.0 - 0.0 0.0 -
Kristaps Porzingis DNP------ --- ----------

Season 2
Isaiah Hartenstein Kristaps Porzingis
Season 2019-202016-17
Team Houston RocketsNew York Knicks
Honors & Awards
Playoffs Did Not PlayDid Not Play
more >>
2nd Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 23 11.6 4.7 1.3 2.7 3.9 0.8 0.4 0.5 0.7 1.8 1.9 2.9 .657 0.0 0.2 .000 0.8 1.2 .679
difference:+43+21.2+13.4+0.4+2.8+3.3+0.7+0.3+1.5-1.1-1.9+4.8+12.0+.207+1.7+4.6+.357+2.2+2.6+.107
Kristaps Porzingis 66 32.8 18.1 1.7 5.5 7.2 1.5 0.7 2.0 1.8 3.7 6.7 14.9 .450 1.7 4.8 .357 3.0 3.8 .786
Playoffs Stats
* Neiher Isaiah Hartenstein nor Kristaps Porzingis played in the postseason in their season 2

Season 3
Isaiah Hartenstein Kristaps Porzingis
Season 2020-212017-18
Team Denver Nuggets, Cleveland CavaliersNew York Knicks
Honors & Awards -Achievement All-Star Game
Playoffs Did Not PlayDid Not Play
more >>
3rd Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 46 12.2 5.1 1.4 2.5 3.9 1.2 0.4 0.8 1.0 2.3 2.0 3.7 .550 0.0 0.1 .333 1.0 1.5 .648
difference:+2+20.2+17.6+0.1+2.8+2.7+0.4+1.6-0.9-0.6+6.1+14.8+.111+1.9+4.7+.062+3.5+4.2+.145
Kristaps Porzingis 48 32.4 22.7 1.3 5.3 6.6 1.2 0.8 2.4 1.9 2.9 8.1 18.5 .439 1.9 4.8 .395 4.5 5.7 .793
Playoffs Stats
* Neiher Isaiah Hartenstein nor Kristaps Porzingis played in the postseason in their season 3

Note: Kristaps Porzingis didn't play in 2018-19.

Season 4
Isaiah Hartenstein Kristaps Porzingis
Season 2021-222019-20
Team Los Angeles ClippersDallas Mavericks
Honors & Awards
Playoffs Did Not PlayMavericks Lost West Conf 1st Rd
more >>
4th Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 68 17.9 8.3 1.7 3.2 4.9 2.4 0.7 1.1 1.2 2.5 3.4 5.4 .626 0.2 0.4 .467 1.3 1.9 .689
difference:+11+13.9+12.1+0.1+4.5+4.6+0.6+0.9-0.4-0.7+3.6+11.0+.199+2.3+6.7+.115+2.7+3.1+.110
Kristaps Porzingis 57 31.8 20.4 1.8 7.7 9.5 1.8 0.7 2.0 1.6 3.2 7.0 16.4 .427 2.5 7.1 .352 4.0 5.0 .799
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein DNP------ --- ----------
Kristaps Porzingis 3 31.3 23.7 1.0 7.7 8.7 0.7 0.0 1.0 1.0 3.0 7.0 13.3 .525 3.0 5.7 .529 6.7 7.7 .870

Season 5
Isaiah Hartenstein Kristaps Porzingis
Season 2022-232020-21
Team New York KnicksDallas Mavericks
Honors & Awards
Playoffs Knicks Lost East Conf SemisMavericks Lost West Conf 1st Rd
more >>
5th Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 82 19.9 5.0 2.5 4.0 6.5 1.2 0.6 0.8 0.8 2.6 2.1 4.0 .535 0.1 0.5 .216 0.6 0.9 .676
difference:+39+11.0+15.1+0.6+3.0+2.4+0.4+0.1+0.5-0.4-0.1+5.5+11.9+.059+2.2+5.5+.160+2.1+2.3+.179
Kristaps Porzingis 43 30.9 20.1 1.9 7.0 8.9 1.6 0.5 1.3 1.2 2.7 7.6 15.9 .476 2.3 6.0 .376 2.7 3.2 .855
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 11 20.0 3.1 2.1 2.5 4.6 1.3 0.8 1.4 0.5 2.6 1.0 2.1 .478 0.0 0.0 - 1.1 1.5 .750
difference:+4+13.3+10.0+1.1+1.9+0.8+0.5+0.7-0.1-0.1+3.9+8.2+.006+1.1+3.9+1.2+1.2+.092
Kristaps Porzingis 7 33.3 13.1 1.0 4.4 5.4 1.3 1.3 0.7 0.4 2.7 4.9 10.3 .472 1.1 3.9 .296 2.3 2.7 .842

Season 6
Isaiah Hartenstein Kristaps Porzingis
Season 2023-242021-22
Team New York KnicksDallas Mavericks, Washington Wizards
Honors & Awards
Playoffs Knicks Lost East Conf SemisDid Not Play
more >>
6th Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 75 25.3 7.8 3.3 5.1 8.3 2.5 1.2 1.1 1.2 2.8 3.1 4.9 .644 0.0 0.0 - 1.5 2.1 .707
difference:+24+3.7+12.4+1.3+1.0+0.2+0.2+0.5+0.5-0.4-0.1+3.8+10.1+.185+1.5+4.9+3.4+3.5+.160
Kristaps Porzingis 51 29.0 20.2 2.0 6.1 8.1 2.3 0.7 1.6 1.6 2.7 6.9 15.0 .459 1.5 4.9 .310 4.9 5.6 .867
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 13 29.8 8.5 3.8 4.1 7.8 3.5 0.3 0.9 1.5 3.2 3.5 5.8 .592 0.1 0.2 .500 1.5 1.7 .864
Kristaps Porzingis DNP------ --- ----------

Season 7
Isaiah Hartenstein Kristaps Porzingis
Season 2024-252022-23
Team Oklahoma City ThunderWashington Wizards
Honors & Awards
Playoffs NBA Champion NBA ChampionDid Not Play
more >>
7th Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 57 27.9 11.2 2.9 7.9 10.7 3.8 0.8 1.1 1.7 3.0 4.9 8.4 .581 0.0 0.3 .000 1.4 2.1 .675
difference:+8+4.7+12.0+1.1+1.3+2.3+1.1+0.1+0.4-0.4+2.9+7.3+.083+2.1+5.2+.385+4.0+4.3+.176
Kristaps Porzingis 65 32.6 23.2 1.8 6.6 8.4 2.7 0.9 1.5 2.1 3.0 7.8 15.7 .498 2.1 5.5 .385 5.4 6.4 .851
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 23 22.4 8.1 2.7 4.8 7.5 2.2 0.8 0.5 1.2 2.5 3.6 5.8 .619 0.0 0.0 - 0.9 1.3 .667
Kristaps Porzingis DNP------ --- ----------

Season 8
Isaiah Hartenstein Kristaps Porzingis
Season 2025-262023-24
Team Oklahoma City ThunderBoston Celtics
Honors & Awards
Playoffs Did Not PlayNBA Champion NBA Champion
more >>
8th Season Stats Comparison
Regular Season Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein 5 32.6 9.0 3.0 8.6 11.6 2.4 1.2 0.4 1.6 3.4 4.2 7.2 .583 0.0 0.4 .000 0.6 1.4 .429
difference:+52+3.0+11.1+1.3+3.1+4.4+0.4+0.5+1.5-0.7+2.6+6.0+.067+1.9+4.7+.375+3.9+3.9+.429
Kristaps Porzingis 57 29.6 20.1 1.7 5.5 7.2 2.0 0.7 1.9 1.6 2.7 6.8 13.2 .516 1.9 5.1 .375 4.5 5.3 .858
Playoffs Stats
G Min Pts ORb DRb Reb Ast Stl Blk TOPF FGM / A% 3PM / A% FTM / A%
Isaiah Hartenstein DNP------ --- ----------
Kristaps Porzingis 7 23.6 12.3 0.6 3.9 4.4 1.1 0.7 1.6 0.7 2.1 4.0 8.6 .467 1.4 4.1 .345 2.9 3.1 .909

Additional Years

* Kristaps Porzingis played 2 seasons more than Isaiah Hartenstein in the NBA.

In that period—his seasons 9 to 10, from 2025 to 2026—Kristaps Porzingis played in one postseason.

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