Isaiah Hartenstein vs. Jayson Tatum Season by Season Comparison

Side by side comparison of each NBA season of Jayson Tatum 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.

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 and Jayson Tatum both played 8 years in the NBA. Isaiah Hartenstein had the first of his seasons in 2018-19, while Jayson Tatum had his rookie season in 2017-18. 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.

Rookie Season
	Isaiah Hartenstein	Jayson Tatum
Season	2018-19	2017-18
Team	Houston Rockets	Boston Celtics
Honors & Awards	-	All-Rookie First Team
Playoffs	Rockets Lost West Conf Semis	Celtics Lost East Conf Finals

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Rookie Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+52	+22.6	+12.0	+0.2	+3.5	+3.3	+1.1	+0.7	+0.3	-0.9	-0.1	+4.3	+8.9	+.013	+1.2	+2.8	+.101	+2.3	+2.7	+.040
Jayson Tatum	80	30.5	13.9	0.6	4.4	5.0	1.6	1.0	0.7	1.4	2.1	5.0	10.4	.475	1.3	3.0	.434	2.7	3.2	.826
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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	-
difference:	+17	+34.9	+16.5		+3.8	+3.9	+2.7	+1.2	+0.5	-2.2	-2.1	+5.5	+12.7	+.529	+1.2	+3.7		+4.3	+5.1
Jayson Tatum	19	35.9	18.5	0.5	3.8	4.4	2.7	1.2	0.5	2.2	2.6	6.5	13.7	.471	1.2	3.7	.324	4.3	5.1	.845

Season 3
	Isaiah Hartenstein	Jayson Tatum
Season	2020-21	2019-20
Team	Denver Nuggets, Cleveland Cavaliers	Boston Celtics
Honors & Awards	-	All-NBA Third Team
	-	All-Star Game
Playoffs	Did not play	Celtics Lost East Conf Finals

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3rd Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+20	+22.1	+18.3	+0.4	+3.5	+3.1	+1.8	+1.0	+0.1	-1.3	-0.2	+6.4	+14.9	+.100	+2.9	+7.0	+.070	+2.8	+3.2	+.164
Jayson Tatum	66	34.3	23.4	1.0	6.0	7.0	3.0	1.4	0.9	2.3	2.1	8.4	18.6	.450	2.9	7.1	.403	3.8	4.7	.812
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jayson Tatum	17	40.6	25.7	1.3	8.7	10.0	5.0	1.0	1.2	2.8	2.4	8.5	19.6	.434	2.8	7.4	.373	5.9	7.2	.813

Season 4
	Isaiah Hartenstein	Jayson Tatum
Season	2021-22	2020-21
Team	Los Angeles Clippers	Boston Celtics
Honors & Awards	-	All-Star Game
Playoffs	Did not play	Celtics Lost East Conf 1st Rd

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4th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+4	+17.9	+18.1	+0.9	+3.4	+2.5	+1.9	+0.5	+0.6	-1.5	-0.6	+6.1	+15.2	+.167	+2.7	+7.2	+.081	+3.3	+3.4	+.179
Jayson Tatum	64	35.8	26.4	0.8	6.6	7.4	4.3	1.2	0.5	2.7	1.9	9.5	20.6	.459	2.9	7.6	.386	4.6	5.3	.868
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jayson Tatum	5	37.0	30.6	0.6	5.2	5.8	4.6	1.2	1.6	2.6	3.0	9.4	22.2	.423	2.8	7.2	.389	9.0	9.8	.918

Season 5
	Isaiah Hartenstein	Jayson Tatum
Season	2022-23	2021-22
Team	New York Knicks	Boston Celtics
Honors & Awards	-	All-NBA First Team
	-	All-Star Game
Playoffs	Knicks Lost East Conf Semis	Celtics Lost NBA Finals

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5th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+6	+16.0	+21.9	+1.4	+2.9	+1.5	+3.2	+0.4	+0.2	-2.1	-0.3	+7.2	+16.6	+.082	+2.9	+8.1	+.137	+4.7	+5.3	+.177
Jayson Tatum	76	35.9	26.9	1.1	6.9	8.0	4.4	1.0	0.6	2.9	2.3	9.3	20.6	.453	3.0	8.6	.353	5.3	6.2	.853
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+13	+21.0	+22.5	+1.1	+3.2	+2.1	+4.9	+0.4	+0.5	-3.7	-0.4	+7.4	+17.6	+.052	+3.2	+8.2		+4.6	+5.6	+.050
Jayson Tatum	24	41.0	25.6	1.0	5.7	6.7	6.2	1.2	0.9	4.2	3.0	8.4	19.7	.426	3.2	8.2	.393	5.7	7.1	.800

Season 6
	Isaiah Hartenstein	Jayson Tatum
Season	2023-24	2022-23
Team	New York Knicks	Boston Celtics
Honors & Awards	-	All-NBA First Team
	-	All-Star Game
	-	All-Star Game MVP
Playoffs	Knicks Lost East Conf Semis	Celtics Lost East Conf Finals

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6th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+1	+11.6	+22.3	+2.2	+2.6	+0.5	+2.1	+0.1	+0.4	-1.7	-0.6	+6.7	+16.2	+.178	+3.2	+9.3		+5.7	+6.3	+.147
Jayson Tatum	74	36.9	30.1	1.1	7.7	8.8	4.6	1.1	0.7	2.9	2.2	9.8	21.1	.466	3.2	9.3	.350	7.2	8.4	.854
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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
difference:	+7	+10.2	+18.7	+2.5	+5.1	+2.7	+1.8	+0.8	+0.2	-1.3	-1.0	+5.8	+14.4	+.134	+2.6	+8.0	+.177	+4.5	+5.2	+.012
Jayson Tatum	20	40.0	27.2	1.3	9.2	10.5	5.3	1.1	1.1	2.8	2.2	9.3	20.2	.458	2.7	8.2	.323	6.0	6.9	.876

Season 7
	Isaiah Hartenstein	Jayson Tatum
Season	2024-25	2023-24
Team	Oklahoma City Thunder	Boston Celtics
Honors & Awards	-	All-NBA First Team
	-	All-Star Game
Playoffs	NBA Champion	NBA Champion

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7th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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:	+17	+7.8	+15.7	+2.0	+0.7	+2.6	+1.1	+0.2	+0.5	-0.8	-1.0	+4.2	+10.9	+.110	+3.1	+7.9	+.376	+4.2	+4.6	+.158
Jayson Tatum	74	35.7	26.9	0.9	7.2	8.1	4.9	1.0	0.6	2.5	2.0	9.1	19.3	.471	3.1	8.2	.376	5.6	6.7	.833
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	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
difference:	+4	+18.0	+16.9	+1.8	+4.0	+2.2	+4.1	+0.3	+0.2	-1.4	-0.3	+4.8	+13.8	+.192	+2.1	+7.3		+5.3	+5.9	+.194
Jayson Tatum	19	40.4	25.0	0.9	8.8	9.7	6.3	1.1	0.7	2.6	2.8	8.4	19.6	.427	2.1	7.3	.283	6.2	7.2	.861

Season 8
	Isaiah Hartenstein	Jayson Tatum
Season	2025-26	2024-25
Team	Oklahoma City Thunder	Boston Celtics
Honors & Awards	-	All-NBA First Team
	-	All-Star Game
Playoffs	Did not play (season in progress)	Celtics Lost East Conf Semis

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8th Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	24	26.9	11.2	3.4	7.0	10.4	3.0	1.1	0.8	2.1	2.9	4.8	7.5	.644	0.0	0.2	.000	1.5	2.4	.649
difference:	+48	+9.5	+15.6	+2.7	+1.0	+1.7	+3.0		+0.3	-0.8	-0.7	+4.4	+12.8	+.192	+3.5	+9.9	+.343	+3.5	+3.7	+.165
Jayson Tatum	72	36.4	26.8	0.7	8.0	8.7	6.0	1.1	0.5	2.9	2.2	9.2	20.3	.452	3.5	10.1	.343	5.0	6.1	.814
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
Isaiah Hartenstein	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Jayson Tatum	8	40.3	28.1	1.1	10.4	11.5	5.4	2.1	0.8	3.3	2.6	9.3	21.9	.423	3.6	9.8	.372	6.0	6.8	.889