Verdict
Head-to-head · Best Knife Sharpeners

Chef's Choice Model XV vs Work Sharp Precision Adjust Knife Sharpener

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Work Sharp Precision Adjust Knife Sharpener comes out ahead by a narrow margin (4.6 vs 4.5). The gap is mostly about Users seeking whetstone-level precision without the learning curve — read the strengths below before deciding.

Chef's Choice Model XV
Ranked #2 in Best Knife Sharpeners
Chef's Choice Model XV
4 sourcesall derived

The Chef's Choice Model XV is a three-stage electric sharpener that converts blades to 15 degrees and refines them using diamond abrasives. Consumer Reports found this system creates a durable Trizor XV edge, while Helen Rennie noted the process takes about five minutes for an 8-inch knife but requires careful reading of instructions to manage burr detection correctly. Although cosmetic scratches may appear on blade surfaces during use, they do not impact cutting performance or structural integrity. This unit suits cooks seeking speed and precision without manual skill, though those unwilling to follow detailed procedural steps should look elsewhere.

Strengths
  • — Three-stage system allows conversion of knives to a 15-degree angle, sharpening, and honing in slots one through three.
  • — Produces a sharp edge quickly; an 8-inch chef's knife takes approximately five minutes total for the process.
  • — Controlled-angle design minimizes user error regarding blade angles compared to manual stone sharpening.
Watch-outs
  • — Initial setup requires reading instructions carefully to understand the specific pull-and-check technique for each stage.
  • — Cosmetic scratches may appear on the blade surface during use, though they do not impact sharpness or function.
Work Sharp Precision Adjust Knife Sharpener
Higher ratedRanked #1 in Best Knife Sharpeners
Work Sharp Precision Adjust Knife Sharpener
2 sources$69.95as of Sep 28

techgearlab found that this manual swing-arm sharpener produces razor-sharp edges comparable to whetstones by replacing freehand technique with rigid mechanical guidance, offering a high effort-to-results ratio. sharpeningsupplies confirmed the precise one-degree angle dial and magnetic rod assembly, while techgearlab noted that exact angles can vary slightly depending on knife height in the clamp. techgearlab also noted that it requires some assembly before each use and more time than simpler sharpeners, making it less suitable for rapid maintenance. The bulky swing-arm design requires dedicated counter space rather than compact drawer storage. This system fits users seeking whetstone-level precision without the learning curve who have workspace and patience; those needing fast kitchen touch-ups or limited storage should look elsewhere.

Strengths
  • — Produces razor-sharp edges comparable to whetstones with a high effort-to-results ratio
  • — Angle adjustment dial allows precise settings from 15° to 30° in one-degree increments
  • — Includes coarse (320 grit), fine (600 grit) diamond stones and a ceramic honing stone for complete edge restoration, per Sharpening Supplies
Watch-outs
  • — Requires significant setup time compared to quick touch-up tools like ceramic rods
  • — Swing-arm design is bulky and difficult to store compactly in a drawer

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Chef's Choice Model XV

The Chef's Choice Model XV uses a three-stage electric system to produce a durable Trizor edge, offering greater speed and precision than the manual Work Sharp Precision Adjust Knife Sharpener.

Work Sharp Precision Adjust Knife Sharpener

The Work Sharp Precision Adjust Knife Sharpener delivers whetstone-level precision with one-degree angle increments, surpassing the fixed settings of the KitchenIQ Edge Grip and the limited angles of the Chef's Choice Model XV. It requires significantly more setup time than quick touch-up tools like ceramic rods but offers superior edge quality for users who have dedicated counter space.

Specs side-by-side

SpecChef's Choice Model XVWork Sharp Precision Adjust Knife Sharpener
Sharpener TypeElectric Knife SharpenerManual - Swing Arm
Angle Settings15 degrees15°-30° (1° increments)
Abrasive Grits100% diamond320 Diamond, 600 Diamond, Ceramic
Weight—1.3 lb
Dimensions—6.5"L x 9.6"W x 5.61"H
Material—Metal
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