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  1. Home
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  3. Compare

Plank Extra Firm Luxe vs Novaform Legacy

Which Mattress Is Better?

    Top
    Main Differences
    Design
      Style
    Performance
      FirmnessBody ConformitySupportBouncinessComfort Layers EnvelopmentResponsivenessMotion IsolationEdge SupportCooling
    Components
      CoverEdge ConstructionFoam Layer MaterialFoam Layer Mass DensityFoam Layer ThicknessSpring Layer DimensionsFoam Layer FirmnessSpring Layer FirmnessFoam Layer ResilienceSpring Layer Bounciness
    Comments

Products

Plank Extra Firm Luxe 
early access
Novaform Legacy

Tested using Methodology v1.1

Updated Feb 06, 2026 04:20 PM

This review is in Early access

SEE PRICE
Amazon.com

Tested using Methodology v1.2

Updated Mar 04, 2026 01:12 PM

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Plank Extra Firm Luxe Picture

Track

Novaform Legacy Picture

Track

Mattress Type
Hybrid
Bed-In-A-Box
Yes
Upper Comfort Foam @ LumbarN/A
Firmness Level
Firm (96 Pa/mm)
Mattress Type
Hybrid
Bed-In-A-Box
Yes
Upper Comfort Foam @ LumbarMemory Foam
Firmness Level
Firm (62 Pa/mm)
  1. Recommended in 1 article:
  2. Firm

Our Verdict

Plank Extra Firm Luxe

Novaform Legacy

Full comparison details regarding individual product score sets can be found in the section below

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Variants

  • Extra Firm Luxe (Queen)
  • Legacy (Queen)

Review

See Plank Extra Firm Luxe Review
See Novaform Legacy Review
1 
3 

Check Price

Queen
Extra Firm Luxe
SEE PRICE
Amazon.com
Queen
Legacy
SEARCH
Amazon.com
Read more

Main Differences for
Side Sleeping

Threshold 

0.10

Side Sleeping 
 

0.0
6.8
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Full Comparison

Design

Style 
 

Style Picture  

Plank Extra Firm Luxe Style Picture Sample

SAMPLE

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Compare High-Res
Novaform Legacy Style Picture

Mattress Type 
 

Locked
Hybrid

Bed-In-A-Box 
 

Locked
Yes

Quilted Top Layer 
 

Locked
Yes

Grab Handles 
 

Locked
Yes

Thickness  

Lock cm (Lock")
35.5 cm (14.0")
Show Text 
Performance

Firmness 
 

Head/Feet Firmness  

Plank Extra Firm Luxe Head/Feet Firmness Sample

SAMPLE

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 Preview Graph
Novaform Legacy Head/Feet Firmness

Lumbar Firmness  

Plank Extra Firm Luxe Lumbar Firmness Sample

SAMPLE

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 Preview Graph
Novaform Legacy Lumbar Firmness

Firmness Video  

Plank Extra Firm Luxe Firmness Video Sample

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Normalized Stiffness @ Head/Feet 
 

Lock Pa/mm
70 Pa/mm

Normalized Stiffness @ Lumbar 
 

Lock Pa/mm
62 Pa/mm

Firmness Level 
 

Locked
Firm (62 Pa/mm)
Show Text 

Body Conformity 
 

N/A
6.4

Shoulder Indentation vs. Body Weight  

Plank Extra Firm Luxe Shoulder Indentation vs. Body Weight Sample

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 Preview Graph
Novaform Legacy Shoulder Indentation vs. Body Weight

Indent @ 50 kg (110 lb) 
 

Lock mm (Lock")
37 mm (1.4")

Indent @ 80 kg (176 lb) 
 

Lock mm (Lock")
53 mm (2.1")

Indent @ 110 kg (242 lb) 
 

Lock mm (Lock")
75 mm (2.9")

Support 
 

N/A
7.7

Pelvis Indentation vs. Body Weight  

Plank Extra Firm Luxe Pelvis Indentation vs. Body Weight Sample

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 Preview Graph
Novaform Legacy Pelvis Indentation vs. Body Weight

Indent Difference @ 50 kg (110 lb) 
 

Lock mm (Lock")
6 mm (0.2")

Indent Difference @ 80 kg (176 lb) 
 

Lock mm (Lock")
13 mm (0.5")

Indent Difference @ 110 kg (242 lb) 
 

Lock mm (Lock")
23 mm (0.9")

Bounciness 
 

N/A
7.5

Bounciness Video  

Plank Extra Firm Luxe Bounciness Video Sample

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Maximum Rebound Height 
 

Lock cm (Lock")
16.0 cm (6.3")
Show Text 

Comfort Layers Envelopment 
 

N/A
7.9

Sinking & Contouring Picture  

Plank Extra Firm Luxe Sinking & Contouring Picture Sample

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Novaform Legacy Sinking & Contouring Picture

Sinking Depth 
 

Lock cm (Lock")
4.4 cm (1.7")

Diameter Of Distortion 
 

Lock cm (Lock")
22.5 cm (8.9")
Show Text 

Responsiveness 
 

N/A
9.7

Responsiveness Video  

Plank Extra Firm Luxe Responsiveness Video Sample

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Response Time 
 

Lock s
0.2 s
Show Text 

Motion Isolation 
 

N/A
8.8

Motion Isolation Video  

Plank Extra Firm Luxe Motion Isolation Video Sample

SAMPLE

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Head/Feet Motion Isolation  

Plank Extra Firm Luxe Head/Feet Motion Isolation Sample

SAMPLE

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 Preview Graph
Novaform Legacy Head/Feet Motion Isolation

Lumbar Motion Isolation  

Plank Extra Firm Luxe Lumbar Motion Isolation Sample

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 Preview Graph
Novaform Legacy Lumbar Motion Isolation

Peak Acceleration @ Head/Feet 
 

Lock g
0.84 g

Dissipation Time @ Head/Feet 
 

Lock s
0.28 s

Peak Acceleration @ Lumbar 
 

Lock g
2.51 g

Dissipation Time @ Lumbar 
 

Lock s
0.29 s
Show Text 

Edge Support 
 

N/A
5.5

Naturalistic Loading Pad Video  

Plank Extra Firm Luxe Naturalistic Loading Pad Video Sample

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Naturalistic Loading Pad  

Plank Extra Firm Luxe Naturalistic Loading Pad Sample

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 Preview Graph
Novaform Legacy Naturalistic Loading Pad

Small Platen  

Plank Extra Firm Luxe Small Platen Sample

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 Preview Graph
Novaform Legacy Small Platen

Naturalistic Loading Pad Indentation 
 

Lock mm
142 mm

Small Platen Indentation @ 0 mm From Edge 
 

Lock mm
187 mm

Small Platen Indentation @ 150 mm From Edge 
 

Lock mm
124 mm

Increased Indentation @ Mattress Edge 
 

Lock mm
63 mm
Show Text 

Cooling 
 

N/A
8.2

Cooling Graph  

Plank Extra Firm Luxe Cooling Graph Sample

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 Preview Graph
Novaform Legacy Cooling Graph

Energy Transferred Over 1st Hour 
 

Lock kJ
65 kJ

Energy Transferred Over 8 Hours 
 

Lock kJ
172 kJ
Show Text 
Components

Cover 
 

Cover Picture  

Plank Extra Firm Luxe Cover Picture Sample

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Novaform Legacy Cover Picture

Sleeping Surface Material 
 

Locked
Polyester, Olefin, Spandex

Removable 
 

Locked
Yes

Machine Washable 
 

Locked
No
Show Text 

Edge Construction 
 

Edge Support Picture  

Plank Extra Firm Luxe Edge Support Picture Sample

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Novaform Legacy Edge Support Picture

Edge Component 
 

Locked
Polyfoam
Show Text 

Foam Layer Material 
 

Foam Layer Material Picture  

Plank Extra Firm Luxe Foam Layer Material Picture Sample

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Novaform Legacy Foam Layer Material Picture

Quilted Top Fill  

Locked
Polyfoam + Fiber Fill

Upper Comfort Foam @ Head/Feet  

N/A
Memory Foam

Upper Comfort Foam @ Lumbar  

N/A
Memory Foam

Lower Comfort Foam @ Head/Feet  

N/A
N/A

Lower Comfort Foam @ Lumbar  

N/A
N/A

Transition Foam  

Locked
Polyfoam

Support Foam  

N/A
N/A
Show Text 

Foam Layer Mass Density 
 

N/A
6.6

Quilted Top Fill  

Lock kg/m³ (Lock lb/cu.ft.)
22 kg/m³ (1.4 lb/cu.ft.)

Quilted Top Fill Foam Density vs. Reference 
 

Lock
0.5

Upper Comfort Foam @ Head/Feet  

N/A
62 kg/m³ (3.8 lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference 
 

N/A
1.0

Upper Comfort Foam @ Lumbar  

N/A
62 kg/m³ (3.8 lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference 
 

N/A
1.0

Lower Comfort Foam @ Head/Feet  

N/A
N/A

Lower Comfort Foam @ Head/Feet Density vs. Reference 
 

N/A
N/A

Lower Comfort Foam @ Lumbar  

N/A
N/A

Lower Comfort Foam @ Lumbar Density vs. Reference 
 

N/A
N/A

Transition Foam  

Lock kg/m³ (Lock lb/cu.ft.)
30 kg/m³ (1.9 lb/cu.ft.)

Transition Foam Density vs. Reference 
 

Lock
1.0

Support Foam  

N/A
N/A

Support Foam Density vs Reference 
 

N/A
N/A
Show Text 

Foam Layer Thickness 
 

Foam Layer Thickness Picture  

Plank Extra Firm Luxe Foam Layer Thickness Picture Sample

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Novaform Legacy Foam Layer Thickness Picture

Quilted Top 
 

Lock cm (Lock")
5.4 cm (2.1")

Upper Comfort Foam @ Head/Feet  

N/A
5.8 cm (2.3")

Upper Comfort Foam @ Lumbar  

N/A
5.8 cm (2.3")

Lower Comfort Foam @ Head/Feet  

N/A
N/A

Lower Comfort Foam @ Lumbar  

N/A
N/A

Transition Foam  

Lock cm (Lock")
6.9 cm (2.7")

Support Foam  

N/A
N/A
Show Text 

Spring Layer Dimensions 
 

Spring Layer Height Picture  

Plank Extra Firm Luxe Spring Layer Height Picture Sample

SAMPLE

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Novaform Legacy Spring Layer Height Picture

Spring Layer Density Picture  

Plank Extra Firm Luxe Spring Layer Density Picture Sample

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Compare High-Res
Novaform Legacy Spring Layer Density Picture

Comfort Layer Height 
 

N/A
N/A

Comfort Layer Coil Density 
 

N/A
N/A

Comfort Layer Coil Gauge 
 

N/A
N/A

Support Layer Height 
 

Lock cm (Lock")
17.0 cm (6.7")

Support Layer Coil Density 
 

Lock coils/m² (Lock coils/ft²)
265 coils/m² (25 coils/ft²)

Support Layer Coil Gauge @ Head/Feet 
 

Lock gauge
13 gauge

Support Layer Coil Gauge @ Lumbar 
 

Lock gauge
14 gauge
Show Text 

Foam Layer Firmness 
 

Comfort Layer IPD  

Plank Extra Firm Luxe Comfort Layer IPD Sample

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 Preview Graph
Novaform Legacy Comfort Layer IPD

Transition & Support Layer IPD  

Plank Extra Firm Luxe Transition & Support Layer IPD Sample

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 Preview Graph
Novaform Legacy Transition & Support Layer IPD

Quilted Top Fill 25% IPD 
 

Lock kPa
2.2 kPa

Upper Comfort Foam @ Head/Feet 25% IPD 
 

N/A
4.2 kPa

Upper Comfort Foam @ Lumbar 25% IPD 
 

N/A
4.2 kPa

Lower Comfort Foam @ Head/Feet 25% IPD 
 

N/A
N/A

Lower Comfort Foam @ Lumbar 25% IPD 
 

N/A
N/A

Transition Foam 25% IPD 
 

Lock kPa
2.9 kPa

Support Foam 25% IPD 
 

N/A
N/A
Show Text 

Spring Layer Firmness 
 

Comfort Layer Firmness  

Plank Extra Firm Luxe Comfort Layer Firmness Sample

SAMPLE

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Novaform Legacy Comfort Layer Firmness

Support Layer Firmness  

Plank Extra Firm Luxe Support Layer Firmness Sample

SAMPLE

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 Preview Graph
Novaform Legacy Support Layer Firmness

Spring Layer Firmness  

Plank Extra Firm Luxe Spring Layer Firmness Sample

SAMPLE

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Normalized Comfort Layer Stiffness @ Head/Feet 
 

N/A
N/A

Normalized Comfort Layer Stiffness @ Lumbar 
 

N/A
N/A

Normalized Support Layer Stiffness @ Head/Feet 
 

Lock Pa/mm
103 Pa/mm

Normalized Support Layer Stiffness @ Lumbar 
 

Lock Pa/mm
106 Pa/mm
Show Text 

Foam Layer Resilience 
 

Foam Layer Resilience Video  

Plank Extra Firm Luxe Foam Layer Resilience Video Sample

SAMPLE

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Quilted Top Fill  

Lock%
48%

Upper Comfort Foam @ Head/Feet  

N/A
3%

Upper Comfort Foam @ Lumbar  

N/A
3%

Lower Comfort Foam @ Head/Feet  

N/A
N/A

Lower Comfort Foam @ Lumbar  

N/A
N/A

Transition Foam  

Lock%
47%

Support Foam  

N/A
N/A
Show Text 

Spring Layer Bounciness 
 

Comfort Spring Layer Bounciness Video  

Plank Extra Firm Luxe Comfort Spring Layer Bounciness Video Sample

SAMPLE

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Support Spring Layer Bounciness Video  

Plank Extra Firm Luxe Support Spring Layer Bounciness Video Sample

SAMPLE

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Comfort Spring Layer Maximum Rebound Height 
 

N/A
N/A

Support Spring Layer Maximum Rebound Height 
 

Lock cm (Lock")
48.0 cm (18.9")
Show Text 

Check Price

Queen
Extra Firm Luxe
SEE PRICE
Amazon.com
Queen
Legacy
SEARCH
Amazon.com
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Plank Extra Firm Luxe

Novaform Legacy

Comments

  1. Comparison
 • Posted 2 hours ago

Plank Extra Firm Luxe vs Novaform Legacy: Main Discussion

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