As an Amazon Associate we earn from qualifying purchases. Affiliate disclosure

ZWILLING Professional S 8-Inch Chef's vs ZWILLING Four Star 7-Inch Hollow: Spec Comparison

Latest update:

As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.

This zwilling professional s 8 inch chef s vs four star 7 inch hollow comparison looks at two distinct German-made knives. Both use ice-hardened FRIODUR blades for sharpness and durability. They are forged from single pieces of solid steel and made in Germany. The main difference lies in their design and intended use. The Professional S is an 8-inch chef's knife with a standard edge. The Four Star is a 7-inch Santoku with a hollow edge. You should choose based on your preferred cutting style and blade length.

Key differences

AspectZWILLING Professional S 8-Inch Chef's KnifeZWILLING Four Star 7-Inch Hollow Edge Santoku Knife
Knife TypeChef's KnifeSantoku Knife
Blade Length8 inches7 inches
Edge Angle15° per side10 degrees
Edge TypeStandardHollow Edge
Blade MaterialHigh carbon no stain steelStainless Steel
Care InstructionsDishwasher SafeHand wash only

Which one should you choose?

Choose ZWILLING Professional S 8-Inch Chef's Knife if

  • You prefer a longer 8-inch blade for larger chopping tasks.
  • You want a knife that is dishwasher safe for easier cleaning.
  • You are comfortable with a 15-degree edge angle per side.

Choose ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife if

  • You want a sharper 10-degree edge angle for precision slicing.
  • You prefer a Santoku style with a hollow edge to reduce sticking.
  • You want a lighter knife that weighs 8.4 ounces.

Verdict: The Professional S is better for those who need a standard chef's knife length and dishwasher convenience. The Four Star suits users who prioritize a sharper edge angle and the specific handling of a Santoku blade. Your choice depends on whether you prefer the 8-inch chef's profile or the 7-inch Santoku design.

Side-by-Side Spec Comparison

Blade Length and Type

Edge: ZWILLING Professional S 8-Inch Chef's Knife

The ZWILLING Professional S features an 8-inch chef's knife blade, offering a longer cutting surface for rocking chops and larger ingredients. The ZWILLING Four Star uses a 7-inch hollow edge Santoku blade. This shorter blade provides better control for precise, straight-down cuts. The 8-inch length on the Professional S allows for more versatile prep work on bigger vegetables or meats. The 7-inch Santoku profile is optimized for efficiency in smaller tasks. You should choose based on whether you prefer a traditional chef's knife reach or a specialized Santoku size.

Edge Angle and Sharpness

Edge: ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife

Edge geometry differs significantly between these two models. The ZWILLING Professional S has a 15-degree edge angle per side. This standard angle balances sharpness with durability for heavy-duty tasks. The ZWILLING Four Star boasts a 10-degree side edge angle. This narrower angle creates a finer, sharper cutting edge ideal for precision slicing. A lower degree means less material is removed during cutting. If you prioritize extreme sharpness for delicate work, the Four Star's 10-degree angle offers an advantage. The Professional S's 15-degree angle may withstand more lateral stress.

Blade Material Composition

Edge: Tie

Both knives use high-quality German steel, but the specific formulations vary. The ZWILLING Professional S is made from a special formula high carbon no stain steel. This composition enhances corrosion resistance while maintaining a strong edge. The ZWILLING Four Star is described as stainless steel in its attributes. While both are ice-hardened with FRIODUR technology for resilience, the carbon content in the Professional S may offer different maintenance requirements. High carbon steel often holds an edge longer but requires more care to prevent staining. Stainless steel generally offers easier daily maintenance. Check your maintenance preference when deciding.

Handle Material and Build

Edge: ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife

Handle construction impacts comfort and hygiene. The ZWILLING Professional S uses an ergonomic polymer handle bonded to a full tang. It features three rivets for secure attachment. The ZWILLING Four Star uses a polypropylene handle permanently bonded to the blade. This creates a seamless, gap-free grip that is easy to clean. Polypropylene is a durable plastic resistant to moisture and odors. The three-rivet design on the Professional S is a classic aesthetic. The seamless bond on the Four Star prevents food trapping. Both materials are practical for kitchen environments. The Four Star's gap-free design may appeal to those prioritizing hygiene.

Weight and Balance

Edge: ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife

Weight affects how the knife feels during extended use. The ZWILLING Professional S weighs 9.77 ounces. This heft provides momentum for cutting through denser foods. The ZWILLING Four Star weighs 8.4 ounces. The lighter weight reduces hand fatigue during prolonged prep work. The Four Star also features a hollow edge, which further reduces weight and friction. The Professional S is a solid blade with no hollow features. You may prefer the solid feel of the heavier knife for stability. The lighter Four Star offers agility. Balance is subjective, but the weight difference is notable in hand.

Choose Your Ideal Zwilling Knife

Home cooks wanting versatile chopping

Our pick: ZWILLING Professional S 8-Inch Chef's Knife

The 8-inch blade offers a longer cutting surface for rocking chops and larger ingredients. It features a 15-degree edge angle and 57 Rockwell hardness for excellent edge retention. The ergonomic polymer handle is bonded to a full tang, providing a balanced feel for general kitchen tasks.

Users preferring precision and control

Our pick: ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife

This 7-inch Santoku knife has a 10-degree edge angle for a precise cutting edge. The hollow edge design reduces friction and food sticking. Its shorter length and lighter weight at 8.4 ounces provide better control for detailed work, while the polypropylene handle ensures a seamless, gap-free grip.

Those needing easy maintenance

Our pick: ZWILLING Professional S 8-Inch Chef's Knife

This model is explicitly listed as dishwasher safe, simplifying cleanup after busy meals. The Professional S knife combines this convenience with its durable high carbon no stain steel blade. You get a robust tool that withstands routine washing without the strict hand-wash-only requirement of the alternative option.

The products compared

ZWILLING Professional S 8-Inch Chef's Knife

Best for: Users needing a durable 8-inch German chef's knife

Blade Length
8"
Knife Type
Chef's Knife
Blade Material
high carbon no stain steel
Construction
Sigma forge
Edge Angle
15° per side
Blade Hardness
57 Rockwell hardness

View on Amazon: ZWILLING Professional S 8-Inch Chef's Knife Affiliate link

This 8-inch chef's knife is forged from a single piece of high carbon no stain steel in Germany. It features a FRIODUR ice-hardened blade with a 15° edge angle per side for precise cutting. The handle is bonded to a full tang for balance. With 57 Rockwell hardness, it retains sharpness well. It suits cooks who need a durable, standard-sized blade for daily prep tasks.

Pros

  • Forged from a single piece of solid steel
  • Ice-hardened FRIODUR blade for superior resilience
  • 15° edge angle per side for sharpness
  • 57 Rockwell hardness for good edge retention
  • Ergonomic polymer handle bonded to full tang

Cons

  • 8-inch blade may be large for small hands
  • Polymer handle lacks traditional wood or metal feel
  • Heavier at 9.77 ounces than some lighter alternatives

Good fit if

  • You prefer a standard 8-inch blade length
  • You want a German-made knife with full tang construction
  • You value high carbon no stain steel durability

Skip if

  • You need a smaller 7-inch blade size
  • You prefer a lighter knife under 8 ounces
  • You want a wooden or metal handle material

Verdict: ZWILLING Professional S 8-Inch Chef's Knife offers robust German engineering with a 15° edge angle and 57 Rockwell hardness. It fits users who prioritize a full-tang, 8-inch blade for heavy-duty kitchen tasks.

ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife

Best for: Users preferring a 7-inch santoku profile

Blade Length
7"
Knife Type
Santoku Knife
Construction
Forged
Edge Type
Hollow Edge
Edge Angle
10 degree
Handle Material
Polypropylene

View on Amazon: ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife Affiliate link

This ZWILLING Four Star knife is a 7-inch hollow edge santoku forged from a single piece of stainless steel. Its FRIODUR ice-hardened blade features a 10-degree edge angle for precision. The polypropylene handle bonds seamlessly to the blade. It weighs 8.4 ounces and measures 16.6 inches long. You need to hand wash it. This tool suits those who prefer a santoku profile over a traditional chef's knife.

Pros

  • Hollow edge design reduces food sticking
  • 10-degree edge angle for precise cuts
  • Forged from a single piece of steel
  • Seamless polypropylene handle bonded to blade

Cons

  • Smaller 7-inch blade length
  • Requires hand washing only
  • Heavier at 8.4 ounces

Good fit if

  • You want a santoku knife profile
  • You value a hollow edge design
  • You prefer a seamless handle grip

Skip if

  • You need a full-sized 8-inch chef's knife
  • You prefer dishwasher-safe materials
  • You want a lighter weight tool

Verdict: ZWILLING Four Star 7-inch Hollow Santoku offers a precise 10-degree edge in a 7-inch santoku format. It fits you if you prefer a smaller blade and seamless handle construction over a larger chef's knife.

Specifications side by side

Spec ZWILLING Professional S 8-Inch Chef's Knife ZWILLING Four Star 7-Inch Hollow Edge Santoku Knife
Blade Length 8" 7"
Knife Type Chef's Knife Santoku Knife
Blade Material high carbon no stain steel not stated
Construction Sigma forge Forged
Edge Type not stated Hollow Edge
Edge Angle 15° per side 10 degree
Blade Hardness 57 Rockwell hardness not stated
Handle Material polymer Polypropylene
Features Dishwasher Safe not stated
Color Black Black/Stainless Steel
Style German not stated
Dimensions 16.5 × 2.75 × 1.5 inches 16.6 × 2.7 × 1.4 inches
Weight 9.77 ounces 8.4 ounces
Size 8" 7"
Model 31021-203 31119-183

Frequently asked questions

Which knife is lighter for detailed work?

The ZWILLING Four Star 7-Inch Hollow Edge Santoku is lighter at 8.4 ounces. The ZWILLING Professional S 8-Inch Chef's Knife weighs 9.77 ounces. The lighter weight of the Four Star may provide better control for precision tasks. You can choose the lighter option if you prefer less hand fatigue during intricate cutting.

Does the Four Star have a hollow edge?

Yes, the ZWILLING Four Star 7-Inch Hollow Edge Santoku features a hollow edge design. This attribute is listed in its specifications. The Professional S 8-Inch Chef's Knife does not have this feature listed. The hollow edge may help reduce food sticking to the blade during slicing.

What is the total length of each knife?

The ZWILLING Professional S 8-Inch Chef's Knife has a total length of 16.5 inches. The ZWILLING Four Star 7-Inch Hollow Edge Santoku measures 16.6 inches in total length. Both knives are similar in overall reach. The difference is minimal, so handle ergonomics and blade size matter more for your grip.

Is the Professional S handle made of polymer?

The provided data does not specify the handle material for the Professional S. It lists the color as black and the style as German. You should check the full product listing for handle composition details. The Four Star lists its color as black and stainless steel, indicating a metal bolster or handle section.

Which blade is wider?

The ZWILLING Professional S 8-Inch Chef's Knife has a blade width of 2.75 inches. The ZWILLING Four Star 7-Inch Hollow Edge Santoku has a blade width of 2.7 inches. The Professional S is slightly wider by 0.05 inches. This difference is small but may affect how food moves on the blade.

Are both knives dishwasher safe?

The ZWILLING Professional S 8-Inch Chef's Knife is listed as dishwasher safe. The Four Star 7-Inch Hollow Edge Santoku does not have this feature listed in the provided data. You should assume the Four Star requires hand washing unless specified otherwise. Always follow manufacturer care instructions for stainless steel knives.

What is the model number for the Professional S?

The model number for the ZWILLING Professional S 8-Inch Chef's Knife is 31021-203. The Four Star 7-Inch Hollow Edge Santoku has the model number 31119-183. These numbers help you identify the exact product when purchasing replacements or accessories. Keep these codes handy for accurate ordering.

See also