25 cans compared

Hill's Science Diet vs Rawz

The typical Rawz can gets 9.3% of its calories from carbohydrate, against 21.1% for Hill's Science Diet. Hill's Science Diet has 2 of 11 recipes under the 10% low-carb line; Rawz has 11 of 14. Below, every number is worked out the same way from each can’s label.

Hill's Science Diet

Rawz

Hill's Science Diet vs Rawz at a glance

Typical values are the middle recipe of each brand. Shares are of calories, so textures compare fairly. Marked cells show the better value where the gap is meaningful.

	Hill's Science Diet	Rawz
Cans we compare	11	14
Typical carbs, % of calories	21.1%	9.3%
Carb range	3.9–35%	1.7–14.3%
Recipes under 10% carbs	2 of 11	11 of 14
Typical protein, % of calories	43%	45%
Typical fat, % of calories	37%	49%
Calories per ounce	30	26
Calories per can	72–212	110–188
Recipes with published phosphorus	0 of 11	14 of 14
Typical phosphorus, mg per 100 kcal	—	252 mg
Confirmed for kittens	3 of 11	7 of 14
Chicken-free recipes	0 of 11	8 of 14
Fish-free recipes	2 of 11	6 of 14
Textures	Pâté, Chunks in gravy	Pâté, Shreds in broth

Lowest-carb can from each brand

The recipe with the smallest share of calories from carbohydrate on each side, leaving out toppers meant for supplemental feeding.

Put these two side by side

Hill's Science Diet5.5 oz

Kitten with Salmon

Pâté · 212 kcal per can

Carbs: 3.9%
Protein: 43%
Phosphorus: not listed

Protein 43%Fat 53%Carbs 4%

Low carb

Rawz5.5 oz

Chicken & Chicken Liver Pâté

Pâté · 188 kcal per can

Carbs: 1.7%
Protein: 33%
Phosphorus: 248mg

Protein 33%Fat 65%Carbs 2%

Low carbNo fish

Same texture, head to head

For each texture both brands make, the lowest-carb recipe from each.

Texture	Hill's Science Diet	Rawz
Pâté	Kitten with Salmon3.9% carbs · 43% protein · 212 kcal	Chicken & Chicken Liver Pâté1.7% carbs · 33% protein · 188 kcal

Which to choose, by what your cat needs

For a diabetic or overweight cat

Rawz is the lower-carb line overall. Its lowest-carb recipe is Chicken & Chicken Liver Pâté at 1.7% of calories; Hill's Science Diet’s is Kitten with Salmon at 3.9%. Both brands have recipes under the 10% line (11 of 14 against 2 of 11), so the right recipe matters more than the brand.

For kidney concerns

Hill's Science Diet doesn’t publish phosphorus on the pages we checked. Rawz publishes phosphorus for 14 of 14 recipes (typical 252 mg per 100 kcal). Only recipes with a published value can be checked, so start from those and confirm targets with your vet.

For kittens

Hill's Science Diet has 3 of 11 recipes whose label we could confirm covers growth or all life stages; Rawz has 7 of 14. A missing statement doesn’t mean a can is unsuitable, only that we couldn’t verify it.

For allergies and picky eaters

Chicken-free: Hill's Science Diet 0 of 11, Rawz 8 of 14. Fish-free: Hill's Science Diet 2 of 11, Rawz 6 of 14. Textures: Hill's Science Diet makes pâté, chunks in gravy; Rawz makes pâté, shreds in broth.

Questions about Hill's Science Diet vs Rawz

Is Hill's Science Diet or Rawz lower in carbs?

The typical Rawz can gets 9.3% of its calories from carbohydrate, against 21.1% for Hill's Science Diet. Hill's Science Diet has 2 of 11 recipes under the 10% low-carb line; Rawz has 11 of 14.

Which has more protein, Hill's Science Diet or Rawz?

They are close: 43% of calories from protein for the typical Hill's Science Diet can and 45% for Rawz.

Which is more filling per ounce?

Rawz. Its cans average 26 calories per ounce against 30 for Hill's Science Diet, so a cat needs fewer ounces of it to get the same calories.

Do Hill's Science Diet and Rawz publish phosphorus?

Hill's Science Diet doesn’t publish phosphorus on the pages we checked. Rawz publishes phosphorus for 14 of 14 recipes (typical 252 mg per 100 kcal).

Which is better for a diabetic cat, Hill's Science Diet or Rawz?

Carbs are what matter most, and Rawz has the lower-carb line with 11 of 14 recipes under 10%. The best single choice is a specific recipe, not a brand: Kitten with Salmon (3.9%) from Hill's Science Diet or Chicken & Chicken Liver Pâté (1.7%) from Rawz. Change a diabetic cat’s food only with your vet.