Benchmark Results

Execution times (in milliseconds) for image comparison packages across test cases.
All values represent raw performance metrics (average, p50, p99).

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Case: web avg diff (672x623)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	39.77	37.08	54.56
pixelmatch	52.35	52	57.24
resemblejs	36.13	35.29	47.35
blink-diff	60.9	61.08	62.84

Case: web avg success (656x547)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	18.37	17.65	24.26
pixelmatch	39.8	39.52	43.41
resemblejs	22.93	22.25	31.64
blink-diff	37.37	38.95	42.37

Case: equal images (1000x1000)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	0.04	0.03	0.07
pixelmatch	31.03	30.93	32.64
resemblejs	55.31	55.1	58.73
blink-diff	90.6	89.36	98.84

Case: 1% visible diff (1000x1000)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	45.09	43.44	54.91
pixelmatch	107.8	108.1	110.28
resemblejs	57.09	56.6	66.89
blink-diff	95.52	94.52	106.12

Case: 10% visible diff (1000x1000)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	48.61	48.52	50.66
pixelmatch	108.62	108.46	112.82
resemblejs	56.2	56.13	60.98
blink-diff	95.65	94.45	104.43

Case: full max diff (1000x1000)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	138.09	130.43	154.69
pixelmatch	158.36	157.83	165.5
resemblejs	446.21	445.17	459.8
blink-diff	672.47	667.98	749.87

Case: demonstrative example visible 8% diff (896×784)

Package	Avg (ms)	p50 (ms)	p99 (ms)
looks-same	36.96	36.97	38.59
pixelmatch	98.18	98.04	101.33
resemblejs	61.67	61.36	68.36
blink-diff	118.86	117.07	132.47