Japanese Knives
Best Chef Knives for Edge Retention
What this is based on: published manufacturer specifications and retailer listings, cited on each product; the weight of professional and owner reviews across multiple retailers; and hands-on experience sharpening and cooking with knives of this type. We have not individually tested every model listed, we do not run instrumented sharpness testing, and we do not claim a test we did not run.
Quick picks
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 |  Miyabi Birchwood SG2 8" Chef's Knife | Someone who already sharpens their own | 8.6 | |
| 2 |  MAC Professional 8" Chef's Knife with Dimples (MTH-80) | The one-knife kitchen | 8.8 | |
| 3 |  Shun Classic 8" Chef's Knife (DM0706) | A knife you want to look at | 8.3 | |
| 4 |  Tojiro DP Gyuto 210mm (F-808) | First Japanese knife | 8.6 |
Edge retention is the specification people shop for and the one they misread. It is not a single property of a steel. Three things decide how long a knife feels sharp, and they pull against each other.
What actually drives edge retention
- Hardness (HRC). A harder edge resists rolling over under side load. 58 HRC rolls; 63 HRC does not — it chips instead, because hardness and toughness trade directly against each other.
- Carbide volume and type. Hard carbides suspended in the steel do the wear resisting. That is why a powder steel like SG2 outlasts a conventional stainless at the same hardness, and why it takes noticeably longer to sharpen: you are abrading those carbides.
- Edge angle. A 9.5-degree-per-side edge has less steel behind it than a 16-degree one, so the same absolute wear represents a bigger proportion of the edge. Acute edges feel dull sooner even when the steel is wearing more slowly.
Our steel reference covers the whole chart, and VG-10 against SG2 is the head-to-head that matters most on this page.
Retention against sharpening cost
| Knife | Core steel | Hardness | Factory edge | What sharpening asks of you |
|---|---|---|---|---|
| Miyabi Birchwood SG2 | SG2 micro-carbide powder steel | 63 HRC, Cryodur | approx. 9.5-12 degrees per side | A hard or diamond stone; slow on clay |
| MAC Professional MTH-80 | Sub-zero tempered molybdenum vanadium alloy | 61 HRC | 15 degrees per side | Any 1,000-grit stone, quickly |
| Shun Classic DM0706 | VG-MAX | 61 HRC | 16 degrees per side | Any 1,000-grit stone |
| Tojiro DP F-808 | VG-10 | 59-60 HRC | Factory angle not published | The easiest of the four |
Read the last column as the real price of the first. The Miyabi keeps its edge longest and takes the longest to bring back, on the most expensive stones. That is a good trade for someone who sharpens well and a bad one for someone who does not sharpen at all — the knife that never gets touched up ends up duller than a cheap blade that does.
Match the steel to your habits, not your budget
- You already sharpen on a stone. Buy hard: the Miyabi, or the Shun if you want most of the benefit with a 16-degree edge that tolerates mistakes.
- You intend to learn. Buy the MAC or the Tojiro, buy a 1,000-grit stone with it, and learn on a knife you are not frightened of. Stone picks · how to use one.
- You will never sharpen. Buy the hardest steel you can afford, buy a ceramic honing rod with it, and expect to have it sharpened once a year. Retention is genuinely worth money in this case — it is the only lever you are pulling.
Most knives that feel blunt have a rolled edge, not a worn one. Thirty seconds on a ceramic rod brings them back, and cooks who hone weekly report far better retention from the same steel than cooks who do not. The difference between the two jobs.
The verdict
Miyabi Birchwood SG2 for the longest edge, if you already own a hard stone and a board that will not chip it. MAC MTH-80 for the best balance of retention and sharpening ease, and our pick for most readers. Shun Classic if you want 61 HRC with a 16-degree edge and the Damascus look. Tojiro DP F-808 if the honest answer is that you will sharpen often and would rather spend the difference on the stone.
The picks in detail
#1 · Someone who already sharpens their own
Miyabi Birchwood SG2 8" Chef's Knife
SG2 powder steel at 63 HRC behind a 9.5-to-12-degree edge and 101 layers of Damascus. The sharpest knife here out of the box, and the least forgiving.
What it does well
- 63 HRC SG2 holds an edge appreciably longer than VG-10 at 60 — commonly cited as roughly twice as long
- A sub-12-degree factory edge is genuinely rare and it shows on the first cut
- 178 g with a 2.1 mm spine — light and thin for a Damascus-clad knife
Where it gives way
- 63 HRC and a very acute edge is a chipping risk on any hard board
- Powder steel is slow on a soft clay stone; you want a hard stone or diamond
- Costs several times what a Tojiro DP does
Skip it if: A first Japanese knife. At 63 HRC with an edge under 12 degrees per side it will chip on a hard board or a careless twist, and it is slow to sharpen on a soft stone.
| Blade length | 8 in |
|---|---|
| Steel | SG2 micro-carbide powder steel core, 50 Damascus layers each side |
| Hardness | 63 HRC, Cryodur ice-hardened |
| Edge angle | approx. 9.5-12 degrees per side, double bevel |
| Blade height | 1.75 in |
| Spine at heel | 2.1 mm |
| Weight | 6.2 oz (178 g) |
| Handle | Karelian birch with stainless bolster and mosaic pin |
| Origin | Seki, Japan |
#2 · The one-knife kitchen
MAC Professional 8" Chef's Knife with Dimples (MTH-80)
The knife that wins the most side-by-side tests and asks the least of you. Thin, light, 61 HRC, and forgiving enough that a mediocre sharpening job still cuts well.
What it does well
- 6.8 oz with a 2.5 mm spine — genuinely light in the hand over a long prep session
- 15 degrees per side from the factory, which is the angle you will maintain anyway
- 25-year warranty and a reputation for consistency unit to unit
Where it gives way
- Costs meaningfully more than a Tojiro DP for a similar hardness
- Mono-steel, so no cladding to protect the core if you drop it edge-first
- The dimples do less for release than the marketing implies
Skip it if: Anyone chasing maximum edge retention. At 61 HRC in a mono-steel it will not out-last a powder-steel blade, and the dimples are cosmetic more often than useful.
| Blade length | 8 in (approx. 200 mm) |
|---|---|
| Steel | Sub-zero tempered high-carbon molybdenum vanadium alloy |
| Hardness | 61 HRC |
| Edge angle | 15 degrees per side (double bevel) |
| Blade height | 1 7/8 in |
| Spine at heel | 2.5 mm |
| Weight | 6.8 oz |
| Handle | Riveted Pakkawood with integrated bolster |
#3 · A knife you want to look at
Shun Classic 8" Chef's Knife (DM0706)
The Damascus-clad knife people actually buy. A 16-degree-per-side VG-MAX edge at 61 HRC, a D-shaped pakkawood handle, and a look that sells itself.
What it does well
- 16 degrees per side is a sensible factory angle — acute, but not so thin it chips on a carrot
- Handle geometry is genuinely comfortable in a pinch grip
- Kai's warranty and free sharpening service are real, useful things
Where it gives way
- You pay a significant premium over a MAC or Tojiro for the Damascus cladding
- The D-shaped handle is oriented for right-handed use
- Thin tip is easy to snap if you twist it in a squash
Skip it if: Left-handed cooks who dislike a D-shaped handle, and anyone who resents paying for 68 layers of cladding that do nothing for cutting.
| Blade length | 8 in |
|---|---|
| Steel | VG-MAX core, 34 layers Damascus cladding each side |
| Hardness | 61 HRC |
| Edge angle | 16 degrees per side |
| Handle | D-shaped pakkawood with stainless bolster and end cap |
| Warranty | Limited lifetime |
#4 · First Japanese knife
Tojiro DP Gyuto 210mm (F-808)
The default answer to 'my first real Japanese knife'. VG-10 at around 60 HRC in a plain three-layer build, at a price that makes the inevitable first chip survivable.
What it does well
- VG-10 at 59-60 HRC takes a genuinely fine edge and holds it far longer than a German knife at 56-58
- 1.9 mm spine and 43 mm heel make it thin behind the edge without being fragile
- Cheap enough that learning to sharpen on it is not frightening
Where it gives way
- Handle finish is functional and unlovely; some units need the bolster easing with sandpaper
- Stainless cladding is soft and scratches readily
- Nothing about the fit and finish will impress anyone
Skip it if: Anyone who wants the knife to be beautiful. The handle is a workmanlike composite with a stainless bolster and nothing about it is charming.
| Blade length | 210 mm (8.3 in) |
|---|---|
| Steel | VG-10 core, 13-chrome stainless cladding (san mai) |
| Hardness | 59-60 HRC |
| Heel height | 43 mm |
| Spine at heel | 1.9 mm |
| Weight | approx. 187 g |
| Handle | Western, laminated composite wood with stainless bolster |
Common questions
Which chef's knife holds its edge the longest?
Does higher HRC always mean better edge retention?
Is edge retention worth paying for?
Does a honing rod improve edge retention?
Sources
Read next
Steel & Care
Knife Steel Guide
Steel & Care
VG-10 vs SG2 Steel
Japanese Knives
Easiest Knives to Sharpen
Steel & Care
Is Damascus Steel Worth It?
Whetstones & Skill
How Often to Sharpen a Kitchen Knife
Japanese Knives