Novaform ComfortGrande Plus vs Serafina Pearl

Tested using Methodology v1.0.1

Updated Oct 03, 2025 07:14 PM

See Novaform ComfortGrande Plus Review

Mattress Type Foam

Bounciness Level Very Low (4 cm)

Sinking Level Moderate (5 cm)

Firmness Level Medium-Firm (52 Pa/mm)

Contouring Level Moderate (28 cm)

Mattress Type Foam

Bounciness Level Very Low (2 cm)

Sinking Level Moderate (5 cm)

Firmness Level Medium (44 Pa/mm)

Contouring Level Low (32 cm)

Our Verdict

Novaform ComfortGrande Plus

Novaform Serafina Pearl

The Novaform ComfortGrande Plus is generally superior to the Novaform Serafina Pearl for most individuals. The ComfortGrande offers improved motion dissipation and edge support, with comparable cooling performance. That said, the Serafina has a more responsive feel, making it easier to move around in your sleep.

Variants

ComfortGrande Plus (Queen)

Serafina Pearl (Queen (Plush))

Review

See Novaform Serafina Pearl Review

Check Price

Queen

ComfortGrande Plus

Queen (Plush)

Serafina Pearl

Main Differences for

Sleeping (In Development)

Threshold

0.10

Sleeping (In Development)

7.9

7.7

Edge Support

7.4

6.9

Full Comparison

Sleeping (In Development)

7.9

7.7

Cooling

7.7

7.8

Motion Dissipation

9.2

8.4

Edge Support

7.4

6.9

Responsiveness

6.9

7.7

Longevity

6.9

6.8

Design

Style

Style Picture

Mattress Type

Foam

Bed-In-A-Box

Yes

Quilted Top Layer

Grab Handles

Yes

Thickness

34.9 cm (13.7")

35.8 cm (14.1")

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Performance

Firmness

Head/Feet Firmness

Lumbar Firmness

Firmness Video

Normalized Stiffness @ Head/Feet

52 Pa/mm

42 Pa/mm

Normalized Stiffness @ Lumbar

52 Pa/mm

44 Pa/mm

Firmness Level

Medium-Firm (52 Pa/mm)

Medium (44 Pa/mm)

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Bounciness

Bounciness Video

Maximum Rebound Height

4.0 cm (1.6")

2.0 cm (0.8")

Bounciness Level

Very Low (4 cm)

Very Low (2 cm)

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Sinking & Contouring

Sinking & Contouring Picture

Sinking Depth

4.8 cm (1.9")

5.4 cm (2.1")

Diameter Of Distortion

28.3 cm (11.1")

31.8 cm (12.5")

Sinking Level

Moderate (5 cm)

Contouring Level

Moderate (28 cm)

Low (32 cm)

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Responsiveness

6.9

7.7

Responsiveness Video

Response Time

1.4 s

1.0 s

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Motion Isolation

9.2

8.4

Motion Isolation Video

Head/Feet Motion Isolation

Lumbar Motion Isolation

Peak Acceleration @ Head/Feet

0.58 g

0.70 g

Dissipation Time @ Head/Feet

0.25 s

0.32 s

Peak Acceleration @ Lumbar

1.97 g

3.25 g

Dissipation Time @ Lumbar

0.23 s

0.32 s

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Edge Support

7.4

6.9

Naturalistic Loading Pad Video

Naturalistic Loading Pad

Small Platen

Naturalistic Loading Pad Indentation

139 mm

156 mm

Small Platen Indentation @ 0 mm From Edge

157 mm

177 mm

Small Platen Indentation @ 150 mm From Edge

129 mm

150 mm

Increased Indentation @ Mattress Edge

29 mm

27 mm

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Cooling

7.7

7.8

Cooling Graph

Energy Transferred Over 1st Hour

64 kJ

63 kJ

Energy Transferred Over 8 Hours

157 kJ

164 kJ

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Components

Cover

Cover Picture

Sleeping Surface Material

Polyester, Nylon, Polyethylene, Spandex

Polyester, Nylon, Polyethylene

Removable

Machine Washable

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Edge Construction

Edge Support Picture

Edge Component

None

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Foam Layer Material

Foam Layer Material Picture

Quilted Top Fill

N/A

Upper Comfort Foam @ Head/Feet

Memory Foam

Upper Comfort Foam @ Lumbar

Memory Foam

Lower Comfort Foam @ Head/Feet

N/A

Lower Comfort Foam @ Lumbar

N/A

Transition Foam

Polyfoam

Support Foam

Polyfoam

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Foam Layer Mass Density

6.9

6.8

Quilted Top Fill

N/A

Quilted Top Fill Foam Density vs. Reference

N/A

Upper Comfort Foam @ Head/Feet

50 kg/m³ (3.1 lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference

0.8

Upper Comfort Foam @ Lumbar

50 kg/m³ (3.1 lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference

0.8

Lower Comfort Foam @ Head/Feet

N/A

Lower Comfort Foam @ Head/Feet Density vs. Reference

N/A

Lower Comfort Foam @ Lumbar

N/A

Lower Comfort Foam @ Lumbar Density vs. Reference

N/A

Transition Foam

36 kg/m³ (2.3 lb/cu.ft.)

35 kg/m³ (2.2 lb/cu.ft.)

Transition Foam Density vs. Reference

1.4

1.3

Support Foam

28 kg/m³ (1.8 lb/cu.ft.)

28 kg/m³ (1.7 lb/cu.ft.)

Support Foam Density vs Reference

0.9

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Foam Layer Thickness

Foam Layer Thickness Picture

Quilted Top

N/A

Upper Comfort Foam @ Head/Feet

7.5 cm (3.0")

7.3 cm (2.9")

Upper Comfort Foam @ Lumbar

7.5 cm (3.0")

7.3 cm (2.9")

Lower Comfort Foam @ Head/Feet

N/A

Lower Comfort Foam @ Lumbar

N/A

Transition Foam

7.0 cm (2.8")

7.5 cm (3.0")

Support Foam

21.0 cm (8.3")

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Spring Layer Dimensions

Spring Layer Height Picture

Spring Layer Density Picture

Comfort Layer Height

N/A

Comfort Layer Coil Density

N/A

Comfort Layer Coil Gauge

N/A

Support Layer Height

N/A

Support Layer Coil Density

N/A

Support Layer Coil Gauge @ Head/Feet

N/A

Support Layer Coil Gauge @ Lumbar

N/A

Foam Layer Firmness

Comfort Layer IPD

Transition & Support Layer IPD

Quilted Top Fill 25% IPD

N/A

Upper Comfort Foam @ Head/Feet 25% IPD

2.0 kPa

1.8 kPa

Upper Comfort Foam @ Lumbar 25% IPD

2.0 kPa

1.8 kPa

Lower Comfort Foam @ Head/Feet 25% IPD

N/A

Lower Comfort Foam @ Lumbar 25% IPD

N/A

Transition Foam 25% IPD

3.0 kPa

1.9 kPa

Support Foam 25% IPD

4.1 kPa

3.7 kPa

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Spring Layer Firmness

Comfort Layer Firmness

Support Layer Firmness

Spring Layer Firmness

Normalized Comfort Layer Stiffness @ Head/Feet

N/A

Normalized Comfort Layer Stiffness @ Lumbar

N/A

Normalized Support Layer Stiffness @ Head/Feet

N/A

Normalized Support Layer Stiffness @ Lumbar

N/A

Foam Layer Resilience

Foam Layer Resilience Video

Quilted Top Fill

N/A

Upper Comfort Foam @ Head/Feet

Upper Comfort Foam @ Lumbar

Lower Comfort Foam @ Head/Feet

N/A

Lower Comfort Foam @ Lumbar

N/A

Transition Foam

40%

15%

Support Foam

43%

46%

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Spring Layer Bounciness

Comfort Spring Layer Bounciness Video

Support Spring Layer Bounciness Video

Comfort Spring Layer Maximum Rebound Height

N/A

Support Spring Layer Maximum Rebound Height

N/A

Check Price

Queen

ComfortGrande Plus

Queen (Plush)

Serafina Pearl