Hamster vs Guinea Pig
Quick answer
In a hypothetical one-on-one, the Guinea Pig would most likely come out on top in most encounters, thanks to its a more favorable balance of size, strength, and weaponry. In reality, animals like these rarely meet, and both would usually avoid a fight.
This is a hypothetical, educational comparison based on typical size, strength, and natural weaponry. In the wild these animals rarely meet, and most encounters end without a fight.

Mammal
Domesticated
Mammal
DomesticatedHamster vs Guinea Pig compared
| Attribute | Hamster | Guinea Pig |
|---|---|---|
| Weight | 150 g | 1 kg |
| Length | 17 cm | 25 cm |
| Top speed | 8 km/h | 8 km/h |
| Strength | 5/100 | 8/100 |
| Deadliness | 2/100 | 3/100 |
| Intelligence | 35/100 | 40/100 |
| Lifespan | 3 yr | 7 yr |
Hamster vs Guinea Pig: common questions
Who would win in a fight, a Hamster or a Guinea Pig?
In a hypothetical one-on-one, the Guinea Pig would most likely come out on top in most encounters, thanks to its a more favorable balance of size, strength, and weaponry. In reality, animals like these rarely meet, and both would usually avoid a fight.
Which is bigger, the Hamster or the Guinea Pig?
The Guinea Pig is heavier, weighing around 1 kg compared with the other's 0.15 kg.
Which is faster, the Hamster or the Guinea Pig?
The Hamster is faster, reaching about 8 km/h versus 8 km/h.
Which lives longer, the Hamster or the Guinea Pig?
The Guinea Pig typically lives longer, up to around 7 years compared with 3 years.
Sources & references
Size, speed, and conservation data are drawn from established zoological references. Compare full profiles for habitat, diet, and behaviour:
- Hamster — full guide
IUCN Red List (Domesticated, Mesocricetus auratus)
- Guinea Pig — full guide
IUCN Red List (Domesticated, Cavia porcellus)
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Global Animal Guide editorial standards
How we research, source, and review wildlife comparisons.