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Comparison Console

Benchmade Infidel vs Benchmade Model 51 Morpho

EDC Knives comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

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Benchmade Model 51 Morpho stands out as the lightest option for weight, with about a 31% gap from the closest alternative. Benchmade Model 51 Morpho stands out as the cheapest option for retail price, with about a 48% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Benchmade Model 51 Morpho stands out as the cheapest option for retail price, with about a 48% gap from the closest alternative.

Most expensive

Benchmade Infidel stands out as the most expensive option for retail price, with about a 93% gap from the closest alternative.

Lightest

Benchmade Model 51 Morpho stands out as the lightest option for weight, with about a 31% gap from the closest alternative.

Heaviest

Benchmade Infidel stands out as the heaviest option for weight, with about a 45% gap from the closest alternative.

Shortest

Benchmade Infidel stands out as the shortest option for closed length, with about a 11% gap from the closest alternative.

Longest

Benchmade Model 51 Morpho stands out as the longest option for closed length, with about a 12% gap from the closest alternative.

Shortest

Benchmade Infidel stands out as the shortest option for blade length, with about a 8% gap from the closest alternative.

Longest

Benchmade Model 51 Morpho stands out as the longest option for blade length, with about a 9% gap from the closest alternative.

Specification Profile

Relative dimensions at a glance

Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.

Benchmade Infidel — Blade length: 99 mm (3.90 in)Benchmade Infidel — Overall length: 230 mm (9.06 in)Benchmade Infidel — Closed length: 122 mm (4.80 in)Benchmade Infidel — Weight: 143 g (5.04 oz)Benchmade Infidel — Retail price: US$550Benchmade Infidel — Blade thickness: 2.8 mm (0.11 in)Benchmade Model 51 Morpho — Blade length: 108 mm (4.25 in)Benchmade Model 51 Morpho — Overall length: 235 mm (9.25 in)Benchmade Model 51 Morpho — Closed length: 137 mm (5.39 in)Benchmade Model 51 Morpho — Weight: 98.9 g (3.49 oz)Benchmade Model 51 Morpho — Retail price: US$285Benchmade Model 51 Morpho — Blade thickness: 2.8 mm (0.11 in)Blade lengthOverall lengthClosed lengthWeightRetail priceBlade thickness
Price & carry
Retail price
US$550Most expensive
US$285Cheapest
Weight
143 g (5.04 oz)Heaviest
98.9 g (3.49 oz)Lightest
Dimensions
Blade length
99 mm (3.90 in)Shortest
108 mm (4.25 in)Longest
Overall length
230 mm (9.06 in)Shortest
235 mm (9.25 in)Longest
Closed length
122 mm (4.80 in)Shortest
137 mm (5.39 in)Longest
Blade thickness
2.8 mm (0.11 in)
2.8 mm (0.11 in)
Materials & mechanism
Blade steel
D2 Tool Steel
D2 Tool Steel
Handle material
Anodized Aluminum
G-10 with titanium liners
Finish
BK1 black coating
Stonewash or satin finish depending on variant
Lock type
Auto Lock
Spring latch
Opening method
Out-The-Front (OTF)
Balisong flipping or direct open
Clip type
Deep Carry
Tip-up titanium pocket clip (reversible for left or right hand)
Use case profile
Best for
MilitaryLaw enforcementEmergency respondersTactical usePersonal defense
EDC (everyday carry)Recreational flippingLight utility tasks
Not best for
!General casual EDC!Novelty collectors who prefer lower prices
!Heavy chopping!Rust-prone wet environments without proper care
Common praise
Solid build and smooth deploymentAmbidextrous operationHigh hardness and edge retention of D2 steelComfortable and ergonomic anodized aluminum handleDistinctive front-facing deployment button for ease of use with gloves
Lightweight for a balisong at roughly 3.3 ouncesDurable, strong blade tip resistant to damageSmooth action with high-quality tolerancesComfortable textured G-10 handle with finger groovesInnovative spring latch that does not open accidentally
Common complaints
D2 steel is difficult to sharpen and prone to patina without coatingBlade steel considered outdated for the priceHeavy and large size not suitable for all users
D2 steel is less rust resistant and requires careful maintenanceSpring latch can require effort to disengageLatch disengagement when open is less convenient