Telling them apart

Cheetah vs Lion

These two are in the same family, so the differences are in the detail.

Cheetah

Cheetah

Acinonyx jubatus

Lion

Lion

Panthera leo

Field marks
Cheetah
Lion
build

Build is distinctly slim, with a deep chest, long limbs, and a small streamlined head.

en.wikipedia.org
Not recorded
coat

Coat carries around 2,000 evenly spaced, solid black spots each measuring roughly 3 to 5 cm.

en.wikipedia.org

Adult coat is plain tawny with no spots or rosettes; cub spots fade by adulthood.

en.wikipedia.org
face

Two solid black lines run from the inner corner of each eye down to the mouth.

en.wikipedia.org

Males carry a prominent mane covering the head, shoulders, and chest.

en.wikipedia.org
ears
Not recorded

Ears are distinctly rounded in shape.

en.wikipedia.org
tail

Tail ends in a prominent bushy white tuft.

en.wikipedia.org

Tail tip carries a dark hairy tuft shared by all lions.

en.wikipedia.org
Vitals
Cheetah
Lion
Mass
37.9 to 58.8 kg
98 to 175 kg
Height
67 to 94 cm
100 to 120 cm
Lifespan
up to 20.5 yrs
up to 30 yrs
In the field
Cheetah
Lion
Active
Daytime (diurnal)
Night (nocturnal)
Status
Vulnerable
Vulnerable
Recorded in
Namibia
Namibia

Both are recorded in 3 of the same grid cells across Namibia, so a sighting in that overlap could be either.