Casper Snow Max vs Puffy Monarch

Which Mattress Is Better?

Products

Casper Snow Max
Puffy Monarch

Tested using Methodology v1.2

Updated Sep 02, 2026 07:12 PM

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Amazon

Tested using Methodology v1.2

Updated Sep 03, 2026 12:50 PM

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Puffy
Casper Snow Max Picture

Track

Puffy Monarch Picture

Track

Our Verdict

Casper Snow Max

Puffy Monarch

The Puffy Monarch and Casper Snow Max are both hybrid mattresses that relieve pressure well for average and heavier side sleepers, but the similarities mostly end there. The Snow Max keeps your hips more level if you sleep on your back or stomach, thanks to its firmer support layer. It also runs cooler and offers better motion isolation, making it ideal if you share a bed with a restless partner. Where the Monarch pulls ahead is responsiveness: its latex layer pushes back and lets you reposition easily, while the Snow Max's memory foam-heavy composition responds slowly and can feel harder to move around on. 

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Variants

  • Snow Max (California King)
  • Snow Max (Full)
  • Monarch (California King)
  • Monarch (King)

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California King
Snow Max
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Amazon
California King
Monarch
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Puffy
Full
Snow Max
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Casper
 
King
Snow Max
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Amazon
King
Monarch
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Puffy
Queen
Snow Max
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Amazon
Queen
Monarch
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Puffy
 
Split Head King
Monarch
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Puffy
 
Split Head Queen
Monarch
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Puffy
Split King
Snow Max
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Casper
Split King
Monarch
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Puffy
Twin XL
Snow Max
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Amazon
Twin XL
Monarch
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Puffy

Main Differences for
Side Sleeping

Threshold 

0.10

Side Sleeping 
 

8.3
8.1
No major differences between these mattresses for side sleeping. See full list of tests below.

Full Comparison

Design

Style 
 

Style Picture 
 

Compare High-Res
Casper Snow Max Style Picture
Compare High-Res
Puffy Monarch Style Picture

Mattress Type 
 

Hybrid
Hybrid

Bed-In-A-Box 
 

Yes
Yes

Quilted Top Layer 
 

No
Yes

Grab Handles 
 

No
Yes

Thickness  

34.6 cm (13.6")
38.6 cm (15.2")
Performance

Firmness 
 

Head/Feet Firmness  

 Preview Graph
Casper Snow Max Head/Feet Firmness
 Preview Graph
Puffy Monarch Head/Feet Firmness

Lumbar Firmness  

 Preview Graph
Casper Snow Max Lumbar Firmness
 Preview Graph
Puffy Monarch Lumbar Firmness

Firmness Video  

Normalized Stiffness @ Head/Feet 
 

42 Pa/mm
41 Pa/mm

Normalized Stiffness @ Lumbar 
 

46 Pa/mm
37 Pa/mm

Firmness Level 
 

Medium (46 Pa/mm)
Medium-Plush (37 Pa/mm)

Body Conformity 
 

8.5
8.6

Shoulder Indentation vs. Body Weight  

 Preview Graph
Casper Snow Max Shoulder Indentation vs. Body Weight
 Preview Graph
Puffy Monarch Shoulder Indentation vs. Body Weight

Body Conformity Picture 1 
 

Compare High-Res
Casper Snow Max Body Conformity Picture 1
Compare High-Res
Puffy Monarch Body Conformity Picture 1

Body Conformity Picture 2 
 

Compare High-Res
Casper Snow Max Body Conformity Picture 2
Compare High-Res
Puffy Monarch Body Conformity Picture 2

Indent @ 50 kg (110 lb) 
 

61 mm (2.4")
61 mm (2.4")

Indent @ 80 kg (176 lb) 
 

86 mm (3.4")
87 mm (3.4")

Indent @ 110 kg (242 lb) 
 

102 mm (4.0")
106 mm (4.2")

Support 
 

7.8
6.6

Pelvis Indentation vs. Body Weight  

 Preview Graph
Casper Snow Max Pelvis Indentation vs. Body Weight
 Preview Graph
Puffy Monarch Pelvis Indentation vs. Body Weight

Indent Difference @ 50 kg (110 lb) 
 

15 mm (0.6")
19 mm (0.7")

Indent Difference @ 80 kg (176 lb) 
 

14 mm (0.6")
26 mm (1.0")

Indent Difference @ 110 kg (242 lb) 
 

12 mm (0.5")
31 mm (1.2")

Bounciness 
 

5.7
7.2

Bounciness Video  

Maximum Rebound Height 
 

7.0 cm (2.8")
14.0 cm (5.5")

Comfort Layers Envelopment 
 

7.7
7.1

Sinking & Contouring Picture 
 

Compare High-Res
Casper Snow Max Sinking & Contouring Picture
Compare High-Res
Puffy Monarch Sinking & Contouring Picture

Sinking Depth 
 

5.2 cm (2.0")
5.5 cm (2.2")

Diameter Of Distortion 
 

27.8 cm (10.9")
30.2 cm (11.9")

Responsiveness 
 

4.6
7.3

Responsiveness Video  

Response Time 
 

3.1 s
1.2 s

Motion Isolation 
 

8.9
8.0

Motion Isolation Video  

Head/Feet Motion Isolation  

 Preview Graph
Casper Snow Max Head/Feet Motion Isolation
 Preview Graph
Puffy Monarch Head/Feet Motion Isolation

Lumbar Motion Isolation  

 Preview Graph
Casper Snow Max Lumbar Motion Isolation
 Preview Graph
Puffy Monarch Lumbar Motion Isolation

Peak Acceleration @ Head/Feet 
 

0.40 g
1.36 g

Dissipation Time @ Head/Feet 
 

0.36 s
0.52 s

Peak Acceleration @ Lumbar 
 

2.37 g
2.46 g

Dissipation Time @ Lumbar 
 

0.28 s
0.59 s

Edge Support 
 

7.6
6.1

Naturalistic Loading Pad Video  

Naturalistic Loading Pad  

 Preview Graph
Casper Snow Max Naturalistic Loading Pad
 Preview Graph
Puffy Monarch Naturalistic Loading Pad

Small Platen  

 Preview Graph
Casper Snow Max Small Platen
 Preview Graph
Puffy Monarch Small Platen

Naturalistic Loading Pad Indentation 
 

145 mm
191 mm

Small Platen Indentation @ 0 mm From Edge 
 

175 mm
172 mm

Small Platen Indentation @ 150 mm From Edge 
 

153 mm
148 mm

Increased Indentation @ Mattress Edge 
 

22 mm
25 mm

Cooling 
 

9.4
7.9

Cooling Graph  

 Preview Graph
Casper Snow Max Cooling Graph
 Preview Graph
Puffy Monarch Cooling Graph

Energy Transferred Over 1st Hour 
 

81 kJ
65 kJ

Energy Transferred Over 8 Hours 
 

223 kJ
165 kJ
Components

Cover 
 

Cover Picture 
 

Compare High-Res
Casper Snow Max Cover Picture
Compare High-Res
Puffy Monarch Cover Picture

Sleeping Surface Material 
 

Polyester, Polyethylene, Spandex
Polyester, Polyethylene, Rayon, Elastane

Removable 
 

No
No

Machine Washable 
 

No
No

Edge Construction 
 

Edge Support Picture 
 

Compare High-Res
Casper Snow Max Edge Support Picture
Compare High-Res
Puffy Monarch Edge Support Picture

Edge Component 
 

Polyfoam
Polyfoam

Foam Layer Material 
 

Foam Layer Material Picture 
 

Compare High-Res
Casper Snow Max Foam Layer Material Picture
Compare High-Res
Puffy Monarch Foam Layer Material Picture

Quilted Top Fill  

N/A

Upper Comfort Foam @ Head/Feet  

Memory Foam
Latex

Upper Comfort Foam @ Lumbar  

Memory Foam
Latex

Lower Comfort Foam @ Head/Feet  

Memory Foam
Memory Foam

Lower Comfort Foam @ Lumbar  

Memory Foam
Memory Foam

Transition Foam  

Memory Foam
Polyfoam

Support Foam  

N/A
N/A

Foam Layer Mass Density 
 

5.9
5.7

Quilted Top Fill  

N/A
25 kg/m³ (1.6 lb/cu.ft.)

Quilted Top Fill Foam Density vs. Reference 
 

N/A
0.7

Upper Comfort Foam @ Head/Feet  

54 kg/m³ (3.4 lb/cu.ft.)
62 kg/m³ (3.9 lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference 
 

0.8
1.2

Upper Comfort Foam @ Lumbar  

54 kg/m³ (3.4 lb/cu.ft.)
62 kg/m³ (3.9 lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference 
 

0.8
1.2

Lower Comfort Foam @ Head/Feet  

44 kg/m³ (2.7 lb/cu.ft.)
41 kg/m³ (2.6 lb/cu.ft.)

Lower Comfort Foam @ Head/Feet Density vs. Reference 
 

0.7
0.6

Lower Comfort Foam @ Lumbar  

45 kg/m³ (2.8 lb/cu.ft.)
41 kg/m³ (2.6 lb/cu.ft.)

Lower Comfort Foam @ Lumbar Density vs. Reference 
 

0.7
0.6

Transition Foam  

43 kg/m³ (2.7 lb/cu.ft.)
23 kg/m³ (1.4 lb/cu.ft.)

Transition Foam Density vs. Reference 
 

0.7
0.6

Support Foam  

N/A
N/A

Support Foam Density vs Reference 
 

N/A
N/A

Foam Layer Thickness 
 

Foam Layer Thickness Picture 
 

Compare High-Res
Casper Snow Max Foam Layer Thickness Picture
Compare High-Res
Puffy Monarch Foam Layer Thickness Picture

Quilted Top 
 

N/A
5.0 cm (2.0")

Upper Comfort Foam @ Head/Feet  

2.5 cm (1.0")
2.5 cm (1.0")

Upper Comfort Foam @ Lumbar  

2.5 cm (1.0")
2.5 cm (1.0")

Lower Comfort Foam @ Head/Feet  

3.5 cm (1.4")
5.0 cm (2.0")

Lower Comfort Foam @ Lumbar  

3.5 cm (1.4")
5.0 cm (2.0")

Transition Foam  

5.4 cm (2.1")
7.5 cm (3.0")

Support Foam  

N/A
N/A

Spring Layer Dimensions 
 

Spring Layer Height Picture 
 

Compare High-Res
Casper Snow Max Spring Layer Height Picture
Compare High-Res
Puffy Monarch Spring Layer Height Picture

Spring Layer Density Picture 
 

Compare High-Res
Casper Snow Max Spring Layer Density Picture
Compare High-Res
Puffy Monarch Spring Layer Density Picture

Comfort Layer Height 
 

N/A
N/A

Comfort Layer Coil Density 
 

Comfort Layer Coil Gauge 
 

N/A
N/A

Support Layer Height 
 

15.2 cm (6.0")
15.2 cm (6.0")

Support Layer Coil Density 
 

Support Layer Coil Gauge @ Head/Feet 
 

14 gauge
15 gauge

Support Layer Coil Gauge @ Lumbar 
 

14 gauge
15 gauge

Foam Layer Firmness 
 

Comfort Layer IPD  

Transition & Support Layer IPD  

Quilted Top Fill 25% IPD 
 

Upper Comfort Foam @ Head/Feet 25% IPD 
 

Upper Comfort Foam @ Lumbar 25% IPD 
 

Lower Comfort Foam @ Head/Feet 25% IPD 
 

Lower Comfort Foam @ Lumbar 25% IPD 
 

Transition Foam 25% IPD 
 

Support Foam 25% IPD 
 

Spring Layer Firmness 
 

Comfort Layer Firmness  

Support Layer Firmness  

Spring Layer Firmness  

Normalized Comfort Layer Stiffness @ Head/Feet 
 

Normalized Comfort Layer Stiffness @ Lumbar 
 

Normalized Support Layer Stiffness @ Head/Feet 
 

Normalized Support Layer Stiffness @ Lumbar 
 

Foam Layer Resilience 
 

Foam Layer Resilience Video  

Quilted Top Fill  

N/A
30%

Upper Comfort Foam @ Head/Feet  

7%
38%

Upper Comfort Foam @ Lumbar  

7%
38%

Lower Comfort Foam @ Head/Feet  

2%
14%

Lower Comfort Foam @ Lumbar  

6%
14%

Transition Foam  

6%
45%

Support Foam  

N/A
N/A

Spring Layer Bounciness 
 

Comfort Spring Layer Bounciness Video  

Support Spring Layer Bounciness Video  

Comfort Spring Layer Maximum Rebound Height 
 

Support Spring Layer Maximum Rebound Height 
 

Check Price

California King
Snow Max
SEE PRICE
Amazon
California King
Monarch
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Puffy
Full
Snow Max
SEE PRICE
Casper
 
King
Snow Max
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Amazon
King
Monarch
SEE PRICE
Puffy
Queen
Snow Max
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Amazon
Queen
Monarch
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Puffy
 
Split Head King
Monarch
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Puffy
 
Split Head Queen
Monarch
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Puffy
Split King
Snow Max
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Casper
Split King
Monarch
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Puffy
Twin XL
Snow Max
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Amazon
Twin XL
Monarch
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Puffy

Casper Snow Max

Puffy Monarch

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