James Harden vs. Zion Williamson Season by Season Comparison

Side by side comparison of each NBA season of Zion Williamson and James Harden, 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.

James Harden played 16 years in the NBA, 11 more than Zion Williamson, who played 5. James Harden had the first of his seasons in 2009-10, while Zion Williamson had his rookie season in 2019-20. 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
	James Harden	Zion Williamson
Season	2009-10	2019-20
Team	Oklahoma City Thunder	New Orleans Pelicans
Honors & Awards	-	All-Rookie First Team
	All-Rookie Second Team	-
Playoffs	Thunder Lost West Conf 1st Rd	Did Not Play

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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		%
James Harden	76	22.9	9.9	0.6	2.6	3.2	1.8	1.1	0.3	1.4	2.6	3.1	7.6	.403	1.2	3.3	.375	2.6	3.2	.808
difference:	+52	+4.9	+12.6	+2.1	+1.0	+3.1	+0.3	+0.4	+0.1	-1.1	-0.8	+5.7	+7.4	+.180	+0.9	+2.7	+.054	+2.2	+4.2	+.168
Zion Williamson	24	27.8	22.5	2.7	3.6	6.3	2.1	0.7	0.4	2.5	1.8	8.8	15.0	.583	0.3	0.6	.429	4.8	7.4	.640
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Harden	6	20.0	7.7	0.2	2.3	2.5	1.8	1.0	0.2	0.5	2.3	2.0	5.2	.387	1.0	2.7	.375	2.7	3.2	.842
Zion Williamson	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 2
	James Harden	Zion Williamson
Season	2010-11	2020-21
Team	Oklahoma City Thunder	New Orleans Pelicans
Honors & Awards	-	All-Star Game
Playoffs	Thunder Lost West Conf Finals	Did Not Play

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2nd Season Stats Comparison
Regular Season Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Harden	82	26.7	12.2	0.5	2.6	3.1	2.1	1.1	0.3	1.3	2.5	3.6	8.3	.436	1.4	4.0	.349	3.5	4.2	.843
difference:	+21	+6.5	+14.8	+2.2	+1.9	+4.1	+1.6	+0.2	+0.3	-1.4	-0.3	+6.8	+8.7	+.175	+1.2	+3.4	+.055	+2.5	+4.5	+.145
Zion Williamson	61	33.2	27.0	2.7	4.5	7.2	3.7	0.9	0.6	2.7	2.2	10.4	17.0	.611	0.2	0.6	.294	6.0	8.7	.698
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Harden	17	31.6	13.0	0.6	4.8	5.4	3.6	1.2	0.8	1.6	2.8	3.9	8.2	.475	1.4	4.5	.303	3.9	4.7	.825
Zion Williamson	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Note: Zion Williamson didn't play in 2021-22.

Season 3
	James Harden	Zion Williamson
Season	2011-12	2022-23
Team	Oklahoma City Thunder	New Orleans Pelicans
Honors & Awards	Sixth Man of the Year	-
	-	All-Star Game
Playoffs	Thunder Lost NBA Finals	Did Not Play

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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		%
James Harden	62	31.4	16.8	0.5	3.6	4.1	3.7	1.0	0.2	2.2	2.4	5.0	10.1	.491	1.8	4.7	.390	5.0	6.0	.846
difference:	+33	+1.6	+9.2	+1.5	+1.4	+2.9	+0.9	+0.1	+0.4	-1.2	-0.2	+4.8	+6.1	+.117	+1.6	+4.0	+.022	+1.1	+2.6	+.132
Zion Williamson	29	33.0	26.0	2.0	5.0	7.0	4.6	1.1	0.6	3.4	2.2	9.8	16.2	.608	0.2	0.7	.368	6.1	8.6	.714
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Harden	20	31.5	16.3	0.7	4.5	5.1	3.4	1.6	0.1	2.1	3.4	4.7	10.7	.435	1.6	3.9	.410	5.4	6.3	.857
Zion Williamson	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 4
	James Harden	Zion Williamson
Season	2012-13	2023-24
Team	Houston Rockets	New Orleans Pelicans
Honors & Awards	All-NBA Third Team	-
	All-Star Game	-
Playoffs	Rockets Lost West Conf 1st Rd	Did Not Play

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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		%
James Harden	78	38.3	25.9	0.8	4.1	4.9	5.8	1.8	0.5	3.8	2.3	7.5	17.1	.438	2.3	6.2	.368	8.6	10.2	.851
difference:	+8	+6.8	+3.0	+0.9		+0.9	+0.8	+0.7	+0.2	-1.0		+1.4	+1.5	+.132	+2.2	+5.9	+.035	+3.6	+3.1	+.149
Zion Williamson	70	31.5	22.9	1.7	4.1	5.8	5.0	1.1	0.7	2.8	2.3	8.9	15.6	.570	0.1	0.3	.333	5.0	7.1	.702
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Harden	6	40.5	26.3	0.8	5.8	6.7	4.5	2.0	1.0	4.5	3.0	7.5	19.2	.391	2.5	7.3	.341	8.8	11.0	.803
Zion Williamson	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Season 5
	James Harden	Zion Williamson
Season	2013-14	2024-25
Team	Houston Rockets	New Orleans Pelicans
Honors & Awards	All-NBA First Team	-
	All-Star Game	-
Playoffs	Rockets Lost West Conf 1st Rd	Did Not Play

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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		%
James Harden	73	38.0	25.4	0.8	3.9	4.7	6.1	1.6	0.4	3.6	2.4	7.5	16.5	.456	2.4	6.6	.366	7.9	9.1	.866
difference:	+43	+9.4	+0.8	+1.7	+0.8	+2.5	+0.8	+0.4	+0.5	-0.6	-0.3	+2.1	+0.4	+.111	+2.3	+6.2	+.135	+2.6	+1.1	+.210
Zion Williamson	30	28.6	24.6	2.5	4.7	7.2	5.3	1.2	0.9	3.0	2.7	9.6	16.9	.567	0.1	0.4	.231	5.3	8.0	.656
Playoffs Stats
	G	Min	Pts	ORb	DRb	Reb	Ast	Stl	Blk	TO	PF	FGM / A		%	3PM / A		%	FTM / A		%
James Harden	6	43.8	26.8	0.8	3.8	4.7	5.8	2.0	0.2	3.5	3.5	8.3	22.2	.376	2.7	9.0	.296	7.5	8.3	.900
Zion Williamson	DNP	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Additional Years
* James Harden played 11 seasons more than Zion Williamson in the NBA. In that period—his seasons 6 to 16, from 2015 to 2025—James Harden played in 11 Playoffs. In those 11 extra years over Zion Williamson, James Harden got these achievements:
Honors & Awards	1 Season MVP 5 All-NBA First Team 1 All-NBA Third Team 3 Scoring Leader 2 Assists Leader 9 All-Star Game