Disclaimer: Every time you use one of our affiliate links, we earn a commission. Your purchase supports our research so we can bring you the best info about sleep products. Learn More

<

Amerisleep AS3 vs Amerisleep AS4 vs Saatva vs Casper

Amerisleep AS3, Amerisleep AS4, Saatva and Casper all belong to the same product category. Their design elements allow the mattresses to adjust to the changing base. The shipping is quick and hassle-free. It takes only a few days to receive your products. The brands keep you informed of each step of your order.

Amerisleep AS3 Logo

Amerisleep AS3

Pro Score
89
User Score
76

The Amerisleep AS3 is a best-selling combination foam...

Amerisleep AS4 logo

Amerisleep AS4

Pro Score
89
User Score
85

The AmeriSleep AS4 is another soft mattress designed...

Saatva logo

Saatva

Pro Score
89
User Score
95

The Saatva mattress is a three-layer spring mattress...

Casper logo

Saatva

Pro Score
89
User Score
85

The Casper Original is a popular foam mattress by...

Details

Amerisleep AS3 Logo

Price (Queen)

1400

Amerisleep AS4 logo

Price (Queen)

1700

Saatva logo

Price (Queen)

1099

Casper logo

Price (Queen)

1095

Amerisleep AS3 Logo

Sizes

Cali King, Full, King, Queen, Split King, Twin, Twin XL

Amerisleep AS4 logo

Sizes

Cali King, Full, King, Queen, Split King, Twin, Twin XL

Saatva logo

Sizes

Cali King, Full, King, Queen, Twin, Twin XL

Casper logo

Sizes

Cali King, Full, King, Queen, Twin, Twin XL

Amerisleep AS3 Logo

Weight (Queen)

96

Amerisleep AS4 logo

Weight (Queen)

94

Saatva logo

Weight (Queen)

110

Casper logo

Weight (Queen)

71

Amerisleep AS3 Logo

Mattress Build

3 layers foam

Amerisleep AS4 logo

Mattress Build

3 layers foam

Saatva logo

Mattress Build

5 layers foam and springs

Casper logo

Mattress Build

3 layers foam

Amerisleep AS3 Logo

Reversible

Yes

Amerisleep AS4 logo

Reversible

Yes

Saatva logo

Reversible

No

Casper logo

Reversible

Yes

Amerisleep AS3 Logo

Quilted Foam

No

Amerisleep AS4 logo

Quilted Foam

No

Saatva logo

Quilted Foam

Yes

Casper logo

Quilted Foam

No

Amerisleep AS3 Logo

Warranty

20 Years

Amerisleep AS4 logo

Warranty

20 Years

Saatva logo

Warranty

15 Years15

Casper logo

Warranty

10 Years10

Amerisleep AS3 Logo

Trial Period

100

Amerisleep AS4 logo

Trial Period

100

Saatva logo

Trial Period

120

Casper logo

Trial Period

100

Amerisleep AS3 Logo

Bed in a box

Yes

Amerisleep AS4 logo

Bed in a box

Yes

Saatva logo

Bed in a box

No

Casper logo

Bed in a box

Yes

Amerisleep AS3 Logo

Height

12

Amerisleep AS4 logo

Height

12

Saatva logo

Height

11.5

Casper logo

Height

11

Amerisleep AS3 Logo

Comfort Level offered

Medium

Amerisleep AS4 logo

Comfort Level offered

Medium soft

Saatva logo

Comfort Level offered

Firm, Medium, Soft

Casper logo

Comfort Level offered

Medium firm

Customer Reviews

Comfortable Rating

Amerisleep AS3 Logo
95

Based on 48 reviews

Amerisleep AS4 logo
92

Based on 7 reviews

Saatva logo
95

Based on 11 reviews

Casper logo
95

Based on 429 reviews

Support

Amerisleep AS3 Logo
88

Based on 20 reviews

Amerisleep AS4 logo
85

Based on 2 reviews

Saatva logo
92

Based on 8 reviews

Casper logo
92

Based on 351 reviews

Value for money

Amerisleep AS3 Logo
88

Based on 16 reviews

Amerisleep AS4 logo
88

Based on 5 reviews

Saatva logo
85

Based on 2 reviews

Casper logo
92

Based on 273 reviews

Most Positive Review

Amerisleep AS3 Logo

"My husband doesn't have back pain in the mornings anymore, and I don't have as much hip discomfort when I wake up either"

Amerisleep AS4 logo

"My wife hips bothered her tremendously on our old memory foam, not anymore. "

Saatva logo

" I suffer from lots of arthritis and believe the wonderful support this mattress provides has helped enormously! "

Casper logo

" I believe it has relieved some of my joint pain."

Expert Reviews

Value for money

Amerisleep AS3 Logo
91

Based on 7 reviews

Amerisleep AS4 logo
92

Based on 3 reviews

Saatva logo
90

Based on 7 reviews

Casper logo
84

Based on 12 reviews

Owner Satisfaction

Amerisleep AS3 Logo
86

Based on 1 reviews

Amerisleep AS4 logo
86

Based on 1 reviews

Saatva logo
85

Based on 2 reviews

Casper logo
82

Based on 2 reviews

Sleeping Cool

Amerisleep AS3 Logo
90

Based on 5 reviews

Amerisleep AS4 logo
80

Based on 1 reviews

Saatva logo
88

Based on 7 reviews

Casper logo
85

Based on 11 reviews

Comfort

Amerisleep AS3 Logo
95

Based on 2 reviews

Amerisleep AS4 logo
95

Based on 2 reviews

Saatva logo
92

Based on 4 reviews

Casper logo
87

Based on 8 reviews

What the experts are saying

Amerisleep AS3 Logo

Joe Auer

Mattress Clarity

“ great option for side/combo sleepers who want a memory foam feel without the main...”

Amerisleep AS4 logo

Joe Auer

Mattress Clarity

“high quality memory foam mattress, Amerisleep performs exceedingly well. ...”

Saatva logo

Joe Auer

Mattress Clarity

“Firmness and feel are two of the most important aspects of any mattress lets see how...”

Casper logo

Joe Auer

Mattress Clarity

“The heart and soul of the Casper mattress is its Zoned Support system this is a layer...”

Features

Amerisleep AS3 Logo
  • Adjusts on all bed foundations (slat base, platform base, adjustable bed)
  • Springy top layer for resilience
  • Memory Foam without feeling stuck
  • Body Contouring
  • Memory foam layer for enhanced comfort
Amerisleep AS4 logo
  • Designed especially for side sleepers
  • Medium-soft comfort level
  • Proper contouring for pressure relief
  • Eco-friendly materials
  • Comes in different sizes ranging from Twin to Cali King
Saatva logo
  • Adjusts to all bed foundations/frames (slat base, box spring, adjustable bed)
  • Perfect blend of bounce and contouring
  • Enhanced edge support
  • Cool feel
  • Available in various sizes from Twin to Cali King
Casper logo
  • Works with wooden slats, platform, adjustable bed base
  • Bouncy comfort layer providing resilience
  • Budget-friendly price
  • Cool and breathable feel
  • Great edge support
Amerisleep AS3 Logo
Amerisleep AS3
Amerisleep AS4 logo
Amerisleep AS4
Saatva logo
Saatva
Casper logo
Casper

Summary

Casper

Cost based value

"Amerisleep AS4 matches Amerisleep AS3 and Saatva closely in terms of cost-based value. Casper has the best quality for price with a strong and sturdy structure and exceptionally comfortable and supportive sleep surface."

Saatva

Comfort

"Saatva has the softest sleep surface in comparison to Amerisleep AS3, Casper and Amerisleep AS4. The use of high-quality plush layers offer contouring support to your body for a comfy rest. For a firmer comfort level, consider Saatva."

Saatva

Support

"Saatva is more resilient and adjusts your weight exceptionally well compared to Casper, Amerisleep AS3 and Amerisleep AS4. The flexible material used in its construction distribute your weight evenly for a refreshing slumber in all sleeping positions."

The Bottom Line

In short, Saatva is an excellent choice regarding comfort and support . provide and Casper has an exceptional Cost based value. All these products are outstanding in performance and cost-based value. Match their individual properties to your preferences and enjoy the best night’s sleep ever!

Call Us
Book appointment