The San Antonio Spurs have the highest point differential by a team in an NBA Finals, with a 70 point differential.

highest point difference in a finals series

TEAM	DIFF	SEASON	SERIES	GP	MPG	PPG	RPG	APG	SPG	BPG	TPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	MIN	PTS	REB	AST	STL	BLK	TOV	PF
San Antonio Spurs	70	2013-14	NBA Finals	5	240.0	105.6	37.8	25.4	8.0	3.4	13.4	38.2	72.4	52.8	11.0	23.6	46.6	18.2	24.4	74.6	1,200	528	189	127	40	17	67	99
Boston Celtics	63	1964-65	NBA Finals	5	240.0	123.4	63.2	24.6				48.6	113.6	42.8				26.2	35.0	74.9	1,200	617	316	123				138
Boston Celtics	62	1960-61	NBA Finals	5	240.0	121.0	73.8	26.0				47.6	111.0	42.9				25.8	38.0	67.9	1,200	605	369	130				136
Golden State Warriors	60	2017-18	NBA Finals	4	246.3	116.0	40.0	27.8	6.5	8.0	9.3	43.5	84.8	51.3	12.8	34.0	37.5	16.3	19.0	85.5	985	464	160	111	26	32	37	87
Boston Celtics	59	1980-81	NBA Finals	6	240.0	96.5	47.3	22.8	6.7	5.3	16.8	40.2	85.3	47.1	0.5	2.8	17.6	15.7	21.5	72.9	1,440	579	284	137	40	32	101	139
Boston Celtics	55	1959-60	NBA Finals	7	240.0	113.1	64.0	20.6				44.9	109.9	40.8				23.4	31.6	74.2	1,680	792	448	144				156
Boston Celtics	50	2007-08	NBA Finals	6	240.0	102.2	42.2	23.0	8.7	4.0	12.8	34.3	77.3	44.4	8.7	20.2	43.0	24.8	31.8	78.0	1,440	613	253	138	52	24	77	148
Chicago Bulls	49	1990-91	NBA Finals	5	245.0	101.4	39.2	27.8	9.8	5.0	12.6	42.6	80.8	52.7	1.0	4.2	23.8	15.2	18.4	82.6	1,225	507	196	139	49	25	63	107
Milwaukee Bucks	49	1970-71	NBA Finals	4	240.0	106.3	54.5	23.3			23.0	42.8	84.8	50.4				20.8	27.0	76.9	960	425	218	93			92	84
Los Angeles Lakers	47	2008-09	NBA Finals	5	250.0	100.6	40.6	16.4	7.2	5.2	10.0	38.0	83.2	45.7	6.4	17.2	37.2	18.2	24.0	75.8	1,250	503	203	82	36	26	50	121
Chicago Bulls	47	1997-98	NBA Finals	6	244.2	88.0	37.7	18.3	10.0	4.7	12.0	32.5	75.5	43.0	4.3	14.7	29.5	18.7	24.7	75.7	1,465	528	226	110	60	28	72	126
Detroit Pistons	45	2003-04	NBA Finals	5	245.0	90.8	45.6	17.8	7.8	4.0	12.6	31.4	73.2	42.9	4.2	13.2	31.8	23.8	34.2	69.6	1,225	454	228	89	39	20	63	103
Chicago Bulls	44	1991-92	NBA Finals	6	244.2	104.0	37.5	26.8	7.0	5.2	15.0	40.2	79.7	50.4	4.2	10.8	38.5	19.5	27.2	71.8	1,465	624	225	161	42	31	90	155
Washington Bullets	44	1977-78	NBA Finals	7	243.6	105.1	49.0	23.0	7.7	4.6	14.6	42.1	96.4	43.7				20.9	30.1	69.2	1,705	736	343	161	54	32	102	190
Golden State Warriors	43	2014-15	NBA Finals	6	248.3	100.7	44.2	23.0	8.0	5.0	12.7	36.2	83.0	43.6	11.2	31.0	36.0	17.2	24.8	69.1	1,490	604	265	138	48	30	76	145
Denver Nuggets	41	2022-23	NBA Finals	5	240.0	104.6	46.4	25.4	6.2	5.0	11.2	39.4	79.4	49.6	8.6	25.8	33.3	17.2	22.6	76.1	1,200	523	232	127	31	25	56	78
Boston Celtics	41	1958-59	NBA Finals	4	240.0	121.8	73.8	28.5				47.0	115.8	40.6				27.8	39.8	69.8	960	487	295	114				90
Philadelphia 76ers	40	1982-83	NBA Finals	4	240.0	110.5	48.0	26.0	11.0	8.0	17.0	43.0	88.5	48.6	0.0	0.8	0.0	24.5	34.5	71.0	960	442	192	104	44	32	68	89
Philadelphia 76ers	40	1966-67	NBA Finals	6	244.2	124.5	70.8	28.8				47.8	106.5	44.9				28.8	47.0	61.3	1,465	747	425	173				156
Portland Trail Blazers	38	1976-77	NBA Finals	6	240.0	111.3	53.3	28.0	10.7	6.2	24.8	44.7	93.2	47.9				22.0	30.3	72.5	1,440	668	320	168	64	37	149	182
Minneapolis Lakers	38	1948-49	NBA Finals	6	240.0	78.5						26.7						25.2	34.2	73.7	1,440	471						162
Los Angeles Lakers	37	2001-02	NBA Finals	4	240.0	106.0	44.0	23.0	7.0	7.0	15.0	36.5	72.3	50.5	7.3	15.3	47.5	25.8	35.3	73.0	960	424	176	92	28	28	60	78
Boston Celtics	37	1985-86	NBA Finals	6	240.0	108.2	44.0	27.3	9.8	6.3	15.8	42.3	85.8	49.3	2.0	5.7	35.3	21.5	27.3	78.7	1,440	649	264	164	59	38	95	124
Rochester Royals	37	1950-51	NBA Finals	7	240.0	83.3	51.9	24.3				29.4	73.7	39.9				24.4	33.1	73.7	1,680	583	363	170				182
Boston Celtics	36	1956-57	NBA Finals	7	254.3	115.1	69.6	22.6				42.1	114.1	36.9				30.9	42.7	72.2	1,780	806	487	158				221