Compare Fonts → Serif → Lora vs PT Serif

Lora vs PT Serif

Both are serif faces on Google Fonts. PT Serif has the larger x-height, so it looks bigger at the same size. Lora takes more horizontal space.

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Lora

Handgloves & Quartz Jockeys

The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs, then ship it to 1,842 Grove Street by 9:30 AM.

Handgloves & Quartz Jockeys

The quick brown fox jumps over the lazy dog. Pack my box with five dozen liquor jugs, then ship it to 1,842 Grove Street by 9:30 AM.

Measured from the font files. Heights and widths are shown as a share of the font size, so they compare directly at any point size.
Measurement	Lora	PT Serif	Difference
x-heightHeight of lowercase letters, as a share of the font size. Higher reads larger at the same point size.	50.0%	50.0%	0.0%
Cap heightHeight of capitals, as a share of the font size.	70.0%	70.0%	0.0%
x-height to cap ratioProportion of lowercase to uppercase. Higher feels more modern and open.	0.71	0.71	0.00
Stroke weightMeasured thickness of a vertical stroke. Higher is heavier on the page.	10.2%	9.6%	0.6%
Stroke contrastHorizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.	0.38	0.46	0.08
Average character widthMean lowercase advance. Higher takes more horizontal space.	52.4%	50.3%	2.1%

Stroke contrast: Lora measures 0.38, PT Serif measures 0.46. Horizontal stroke divided by vertical. 1.0 is even; below 0.5 means strong thick-thin modulation.
Average character width: Lora measures 52.4%, PT Serif measures 50.3%. Mean lowercase advance. Higher takes more horizontal space.
Stroke weight: Lora measures 10.2%, PT Serif measures 9.6%. Measured thickness of a vertical stroke. Higher is heavier on the page.